Browse Source

resolved merge

patch-2
Gordon Hall 11 years ago
parent
commit
7a0ac6c590
  1. 2
      .gitignore
  2. 5
      .travis.yml
  3. 22
      Address.js
  4. 598
      BIP32.js
  5. 297
      Block.js
  6. 11
      Connection.js
  7. 5
      Gruntfile.js
  8. 23
      Key.js
  9. 10
      Opcode.js
  10. 5
      PeerManager.js
  11. 138
      Point.js
  12. 17
      PrivateKey.js
  13. 144
      README.md
  14. 75
      Script.js
  15. 533
      ScriptInterpreter.js
  16. 10
      Sign.js
  17. 684
      Transaction.js
  18. 719
      TransactionBuilder.js
  19. 2
      Wallet.js
  20. 16
      WalletKey.js
  21. 5
      bitcore.js
  22. 12
      browser/build.js
  23. 3
      browser/vendor/ec.js
  24. 2
      browser/vendor/jsbn2.js
  25. 2
      browser/vendor/sec.js
  26. 83
      examples/BIP32.js
  27. 104
      examples/CreateAndSignTx-Multisig.js
  28. 70
      examples/CreateAndSignTx-PayToPubkeyHash.js
  29. 142
      examples/CreateAndSignTx-PayToScriptHash.js
  30. 210
      examples/CreateAndSignTx.js
  31. 44
      examples/CreateKey.js
  32. 74
      examples/CreateScript.js
  33. 17
      examples/PayToScriptHashAddress.js
  34. 8
      examples/Script.js
  35. 72
      examples/SimpleP2Pmonitor.js
  36. 1
      examples/browser/README.md
  37. 24
      examples/browser/example.html
  38. 5
      examples/browser/simple.html
  39. 205
      examples/createTx.js
  40. 59
      networks.js
  41. 26
      package.json
  42. 81
      src/eckey.cc
  43. 3
      src/eckey.h
  44. BIN
      test/data/blk86756-testnet.dat
  45. 504
      test/data/sighash.json
  46. 27
      test/data/unspent.json
  47. 87
      test/data/unspentSign.json
  48. 4
      test/index.html
  49. 36
      test/test.Address.js
  50. 297
      test/test.BIP32.js
  51. 169
      test/test.Block.js
  52. 59
      test/test.Key.js
  53. 19
      test/test.Opcode.js
  54. 69
      test/test.Point.js
  55. 22
      test/test.PrivateKey.js
  56. 52
      test/test.Script.js
  57. 92
      test/test.ScriptInterpreter.js
  58. 126
      test/test.Transaction.js
  59. 684
      test/test.TransactionBuilder.js
  60. 8
      test/test.basic.js
  61. 7
      test/test.examples.js
  62. 116
      test/test.misc.js
  63. 171
      test/test.sighash.js
  64. 73
      test/test.util.js
  65. 15
      test/testdata.js
  66. 8
      util/error.js
  67. 290
      util/util.js

2
.gitignore

@ -8,3 +8,5 @@ node_modules/
*~ *~
.project .project
README.html README.html
tags
coverage

5
.travis.yml

@ -0,0 +1,5 @@
language: node_js
node_js:
- "0.10"
script: "mocha"

22
Address.js

@ -1,6 +1,7 @@
'use strict'; 'use strict';
var imports = require('soop').imports(); var imports = require('soop').imports();
var parent = imports.parent || require('./util/VersionedData'); var parent = imports.parent || require('./util/VersionedData');
var networks= imports.networks || require('./networks');
function Address() { function Address() {
Address.super(this, arguments); Address.super(this, arguments);
@ -15,6 +16,7 @@ Address.prototype.validate = function() {
Address.super(this, 'validate', arguments); Address.super(this, 'validate', arguments);
if(this.data.length !== 21) throw new Error('invalid data length'); if(this.data.length !== 21) throw new Error('invalid data length');
}); });
if (typeof this.network() === 'undefined') throw new Error('invalid network');
}; };
Address.prototype.isValid = function() { Address.prototype.isValid = function() {
@ -22,4 +24,24 @@ Address.prototype.isValid = function() {
return answer; return answer;
}; };
Address.prototype.network = function() {
var version = this.version();
var livenet = networks.livenet;
var testnet = networks.testnet;
var answer;
if (version === livenet.addressVersion || version === livenet.P2SHVersion)
answer = livenet;
else if (version === testnet.addressVersion || version === testnet.P2SHVersion)
answer = testnet;
return answer;
};
Address.prototype.isScript = function() {
return this.isValid() && this.version() === this.network().P2SHVersion;
};
module.exports = require('soop')(Address); module.exports = require('soop')(Address);

598
BIP32.js

@ -1,349 +1,347 @@
var BITCOIN_MAINNET_PUBLIC = 0x0488b21e; var imports = require('soop').imports();
var BITCOIN_MAINNET_PRIVATE = 0x0488ade4; var base58 = imports.base58 || require('base58-native').base58;
var BITCOIN_TESTNET_PUBLIC = 0x043587cf; var coinUtil = imports.coinUtil || require('./util/util');
var BITCOIN_TESTNET_PRIVATE = 0x04358394; var Key = imports.Key || require('./Key');
var DOGECOIN_MAINNET_PUBLIC = 0x02facafd; var Point = imports.Point || require('./Point');
var DOGECOIN_MAINNET_PRIVATE = 0x02fac398; var bignum = imports.bignum || require('bignum');
var DOGECOIN_TESTNET_PUBLIC = 0x0432a9a8; var crypto = require('crypto');
var DOGECOIN_TESTNET_PRIVATE = 0x0432a243; var networks = require('./networks');
var LITECOIN_MAINNET_PUBLIC = 0x019da462;
var LITECOIN_MAINNET_PRIVATE = 0x019d9cfe; var secp256k1_n = new bignum("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141", 16);
var LITECOIN_TESTNET_PUBLIC = 0x0436f6e1; var secp256k1_Gx = new bignum("79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798", 16);
var LITECOIN_TESTNET_PRIVATE = 0x0436ef7d;
var BIP32 = function(bytes) { var BIP32 = function(bytes) {
// decode base58 if (bytes == 'mainnet' || bytes == 'livenet')
if( typeof bytes === "string" ) { this.version = networks['livenet'].bip32privateVersion;
var decoded = Bitcoin.Base58.decode(bytes); else if (bytes == 'testnet')
if( decoded.length != 82 ) throw new Error("Not enough data"); this.version = networks['testnet'].bip32privateVersion;
var checksum = decoded.slice(78, 82);
bytes = decoded.slice(0, 78); if (bytes == 'mainnet' || bytes == 'livenet' || bytes == 'testnet') {
this.depth = 0x00;
var hash = Crypto.SHA256( Crypto.SHA256( bytes, { asBytes: true } ), { asBytes: true } ); this.parentFingerprint = new Buffer([0, 0, 0, 0]);
this.childIndex = new Buffer([0, 0, 0, 0]);
if( hash[0] != checksum[0] || hash[1] != checksum[1] || hash[2] != checksum[2] || hash[3] != checksum[3] ) { this.chainCode = Key.generateSync().private;
throw new Error("Invalid checksum"); this.eckey = Key.generateSync();
} this.hasPrivateKey = true;
this.pubKeyHash = coinUtil.sha256ripe160(this.eckey.public);
this.buildExtendedPublicKey();
this.buildExtendedPrivateKey();
return;
}
// decode base58
if (typeof bytes === "string") {
var decoded = base58.decode(bytes);
if (decoded.length != 82)
throw new Error("Not enough data");
var checksum = decoded.slice(78, 82);
bytes = decoded.slice(0, 78);
var hash = coinUtil.sha256(coinUtil.sha256(bytes));
if (hash[0] != checksum[0] || hash[1] != checksum[1] || hash[2] != checksum[2] || hash[3] != checksum[3]) {
throw new Error("Invalid checksum");
} }
}
if( bytes !== undefined ) if (bytes !== undefined)
this.init_from_bytes(bytes); this.initFromBytes(bytes);
} }
BIP32.prototype.init_from_bytes = function(bytes) { BIP32.seed = function(bytes, network) {
// Both pub and private extended keys are 78 bytes if (!network)
if( bytes.length != 78 ) throw new Error("not enough data"); network = 'livenet';
this.version = u32(bytes.slice(0, 4)); if (!Buffer.isBuffer(bytes))
this.depth = u8 (bytes.slice(4, 5)); bytes = new Buffer(bytes, 'hex'); //if not buffer, assume hex
this.parent_fingerprint = bytes.slice(5, 9); if (bytes.length < 128/8)
this.child_index = u32(bytes.slice(9, 13)); return false; //need more entropy
this.chain_code = bytes.slice(13, 45); var hash = coinUtil.sha512hmac(bytes, new Buffer("Bitcoin seed"));
var key_bytes = bytes.slice(45, 78); var bip32 = new BIP32();
bip32.depth = 0x00;
var is_private = bip32.parentFingerprint = new Buffer([0, 0, 0, 0]);
(this.version == BITCOIN_MAINNET_PRIVATE || bip32.childIndex = new Buffer([0, 0, 0, 0]);
this.version == BITCOIN_TESTNET_PRIVATE || bip32.chainCode = hash.slice(32, 64);
this.version == DOGECOIN_MAINNET_PRIVATE || bip32.version = networks[network].bip32privateVersion;
this.version == DOGECOIN_TESTNET_PRIVATE || bip32.eckey = new Key();
this.version == LITECOIN_MAINNET_PRIVATE || bip32.eckey.private = hash.slice(0, 32);
this.version == LITECOIN_TESTNET_PRIVATE ); bip32.eckey.regenerateSync();
bip32.hasPrivateKey = true;
var is_public = bip32.pubKeyHash = coinUtil.sha256ripe160(bip32.eckey.public);
(this.version == BITCOIN_MAINNET_PUBLIC ||
this.version == BITCOIN_TESTNET_PUBLIC || bip32.buildExtendedPublicKey();
this.version == DOGECOIN_MAINNET_PUBLIC || bip32.buildExtendedPrivateKey();
this.version == DOGECOIN_TESTNET_PUBLIC ||
this.version == LITECOIN_MAINNET_PUBLIC || return bip32;
this.version == LITECOIN_TESTNET_PUBLIC ); };
if( is_private && key_bytes[0] == 0 ) { BIP32.prototype.initFromBytes = function(bytes) {
this.eckey = new Bitcoin.ECKey(key_bytes.slice(1, 33)); // Both pub and private extended keys are 78 bytes
this.eckey.setCompressed(true); if(bytes.length != 78) throw new Error("not enough data");
var ecparams = getSECCurveByName("secp256k1"); this.version = u32(bytes.slice(0, 4));
var pt = ecparams.getG().multiply(this.eckey.priv); this.depth = u8(bytes.slice(4, 5));
this.eckey.pub = pt; this.parentFingerprint = bytes.slice(5, 9);
this.eckey.pubKeyHash = Bitcoin.Util.sha256ripe160(this.eckey.pub.getEncoded(true)); this.childIndex = u32(bytes.slice(9, 13));
this.has_private_key = true; this.chainCode = bytes.slice(13, 45);
} else if( is_public && (key_bytes[0] == 0x02 || key_bytes[0] == 0x03) ) {
this.eckey = new Bitcoin.ECKey(); var keyBytes = bytes.slice(45, 78);
this.eckey.pub = decompress_pubkey(key_bytes);
this.eckey.pubKeyHash = Bitcoin.Util.sha256ripe160(this.eckey.pub.getEncoded(true)); var isPrivate =
this.eckey.setCompressed(true); (this.version == networks['livenet'].bip32privateVersion ||
this.has_private_key = false; this.version == networks['testnet'].bip32privateVersion );
} else {
throw new Error("Invalid key"); var isPublic =
} (this.version == networks['livenet'].bip32publicVersion ||
this.version == networks['testnet'].bip32publicVersion );
this.build_extended_public_key();
this.build_extended_private_key(); if (isPrivate && keyBytes[0] == 0) {
this.eckey = new Key();
this.eckey.private = keyBytes.slice(1, 33);
this.eckey.compressed = true;
this.eckey.regenerateSync();
this.pubKeyHash = coinUtil.sha256ripe160(this.eckey.public);
this.hasPrivateKey = true;
} else if (isPublic && (keyBytes[0] == 0x02 || keyBytes[0] == 0x03)) {
this.eckey = new Key();
this.eckey.public = keyBytes;
this.pubKeyHash = coinUtil.sha256ripe160(this.eckey.public);
this.hasPrivateKey = false;
} else {
throw new Error("Invalid key");
}
this.buildExtendedPublicKey();
this.buildExtendedPrivateKey();
} }
BIP32.prototype.build_extended_public_key = function() { BIP32.prototype.buildExtendedPublicKey = function() {
this.extended_public_key = []; this.extendedPublicKey = new Buffer([]);
var v = null; var v = null;
switch(this.version) { switch(this.version) {
case BITCOIN_MAINNET_PUBLIC: case networks['livenet'].bip32publicVersion:
case BITCOIN_MAINNET_PRIVATE: case networks['livenet'].bip32privateVersion:
v = BITCOIN_MAINNET_PUBLIC; v = networks['livenet'].bip32publicVersion;
break; break;
case BITCOIN_TESTNET_PUBLIC: case networks['testnet'].bip32publicVersion:
case BITCOIN_TESTNET_PRIVATE: case networks['testnet'].bip32privateVersion:
v = BITCOIN_TESTNET_PUBLIC; v = networks['testnet'].bip32publicVersion;
break; break;
case DOGECOIN_MAINNET_PUBLIC: default:
case DOGECOIN_MAINNET_PRIVATE: throw new Error("Unknown version");
v = DOGECOIN_MAINNET_PUBLIC; }
break;
case DOGECOIN_TESTNET_PUBLIC: // Version
case DOGECOIN_TESTNET_PRIVATE: this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([v >> 24])]);
v = DOGECOIN_TESTNET_PUBLIC; this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([(v >> 16) & 0xff])]);
break; this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([(v >> 8) & 0xff])]);
case LITECOIN_MAINNET_PUBLIC: this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([v & 0xff])]);
case LITECOIN_MAINNET_PRIVATE:
v = LITECOIN_MAINNET_PUBLIC; // Depth
break; this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([this.depth])]);
case LITECOIN_TESTNET_PUBLIC:
case LITECOIN_TESTNET_PRIVATE: // Parent fingerprint
v = LITECOIN_TESTNET_PUBLIC; this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, this.parentFingerprint]);
break;
default: // Child index
throw new Error("Unknown version"); this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([this.childIndex >>> 24])]);
} this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([(this.childIndex >>> 16) & 0xff])]);
this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([(this.childIndex >>> 8) & 0xff])]);
// Version this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, new Buffer([this.childIndex & 0xff])]);
this.extended_public_key.push(v >> 24);
this.extended_public_key.push((v >> 16) & 0xff); // Chain code
this.extended_public_key.push((v >> 8) & 0xff); this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, this.chainCode]);
this.extended_public_key.push(v & 0xff);
// Public key
// Depth this.extendedPublicKey = Buffer.concat([this.extendedPublicKey, this.eckey.public]);
this.extended_public_key.push(this.depth);
// Parent fingerprint
this.extended_public_key = this.extended_public_key.concat(this.parent_fingerprint);
// Child index
this.extended_public_key.push(this.child_index >>> 24);
this.extended_public_key.push((this.child_index >>> 16) & 0xff);
this.extended_public_key.push((this.child_index >>> 8) & 0xff);
this.extended_public_key.push(this.child_index & 0xff);
// Chain code
this.extended_public_key = this.extended_public_key.concat(this.chain_code);
// Public key
this.extended_public_key = this.extended_public_key.concat(this.eckey.pub.getEncoded(true));
} }
BIP32.prototype.extended_public_key_string = function(format) { BIP32.prototype.extendedPublicKeyString = function(format) {
if( format === undefined || format === "base58" ) { if (format === undefined || format === "base58") {
var hash = Crypto.SHA256( Crypto.SHA256( this.extended_public_key, { asBytes: true } ), { asBytes: true } ); var hash = coinUtil.sha256(coinUtil.sha256(this.extendedPublicKey));
var checksum = hash.slice(0, 4); var checksum = hash.slice(0, 4);
var data = this.extended_public_key.concat(checksum); var data = Buffer.concat([this.extendedPublicKey, checksum]);
return Bitcoin.Base58.encode(data); return base58.encode(data);
} else if( format === "hex" ) { } else if (format === "hex") {
return Crypto.util.bytesToHex(this.extended_public_key); return this.extendedPublicKey.toString('hex');;
} else { } else {
throw new Error("bad format"); throw new Error("bad format");
} }
} }
BIP32.prototype.build_extended_private_key = function() { BIP32.prototype.buildExtendedPrivateKey = function() {
if( !this.has_private_key ) return; if (!this.hasPrivateKey) return;
this.extended_private_key = []; this.extendedPrivateKey = new Buffer([]);
var v = this.version; var v = this.version;
// Version // Version
this.extended_private_key.push(v >> 24); this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([v >> 24])]);
this.extended_private_key.push((v >> 16) & 0xff); this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([(v >> 16) & 0xff])]);
this.extended_private_key.push((v >> 8) & 0xff); this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([(v >> 8) & 0xff])]);
this.extended_private_key.push(v & 0xff); this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([v & 0xff])]);
// Depth // Depth
this.extended_private_key.push(this.depth); this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([this.depth])]);
// Parent fingerprint // Parent fingerprint
this.extended_private_key = this.extended_private_key.concat(this.parent_fingerprint); this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, this.parentFingerprint]);
// Child index // Child index
this.extended_private_key.push(this.child_index >>> 24); this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([this.childIndex >>> 24])]);
this.extended_private_key.push((this.child_index >>> 16) & 0xff); this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([(this.childIndex >>> 16) & 0xff])]);
this.extended_private_key.push((this.child_index >>> 8) & 0xff); this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([(this.childIndex >>> 8) & 0xff])]);
this.extended_private_key.push(this.child_index & 0xff); this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([this.childIndex & 0xff])]);
// Chain code // Chain code
this.extended_private_key = this.extended_private_key.concat(this.chain_code); this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, this.chainCode]);
// Private key // Private key
this.extended_private_key.push(0); this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, new Buffer([0])]);
this.extended_private_key = this.extended_private_key.concat(this.eckey.priv.toByteArrayUnsigned()); this.extendedPrivateKey = Buffer.concat([this.extendedPrivateKey, this.eckey.private]);
} }
BIP32.prototype.extended_private_key_string = function(format) { BIP32.prototype.extendedPrivateKeyString = function(format) {
if( format === undefined || format === "base58" ) { if (format === undefined || format === "base58") {
var hash = Crypto.SHA256( Crypto.SHA256( this.extended_private_key, { asBytes: true } ), { asBytes: true } ); var hash = coinUtil.sha256(coinUtil.sha256(this.extendedPrivateKey));
var checksum = hash.slice(0, 4); var checksum = hash.slice(0, 4);
var data = this.extended_private_key.concat(checksum); var data = Buffer.concat([this.extendedPrivateKey, checksum]);
return Bitcoin.Base58.encode(data); return base58.encode(data);
} else if( format === "hex" ) { } else if (format === "hex") {
return Crypto.util.bytesToHex(this.extended_private_key); return this.extendedPrivateKey.toString('hex');
} else { } else {
throw new Error("bad format"); throw new Error("bad format");
} }
} }
BIP32.prototype.derive = function(path) { BIP32.prototype.derive = function(path) {
var e = path.split('/'); var e = path.split('/');
// Special cases: // Special cases:
if( path == 'm' || path == 'M' || path == 'm\'' || path == 'M\'' ) return this; if (path == 'm' || path == 'M' || path == 'm\'' || path == 'M\'')
return this;
var bip32 = this; var bip32 = this;
for( var i in e ) { for (var i in e) {
var c = e[i]; var c = e[i];
if( i == 0 ) { if (i == 0 ) {
if( c != 'm' ) throw new Error("invalid path"); if (c != 'm') throw new Error("invalid path");
continue; continue;
}
var use_private = (c.length > 1) && (c[c.length-1] == '\'');
var child_index = parseInt(use_private ? c.slice(0, c.length - 1) : c) & 0x7fffffff;
if( use_private )
child_index += 0x80000000;
bip32 = bip32.derive_child(child_index);
} }
return bip32; var usePrivate = (c.length > 1) && (c[c.length-1] == '\'');
} var childIndex = parseInt(usePrivate ? c.slice(0, c.length - 1) : c) & 0x7fffffff;
BIP32.prototype.derive_child = function(i) {
var ib = [];
ib.push( (i >> 24) & 0xff );
ib.push( (i >> 16) & 0xff );
ib.push( (i >> 8) & 0xff );
ib.push( i & 0xff );
var use_private = (i & 0x80000000) != 0;
var ecparams = getSECCurveByName("secp256k1");
var is_private = if (usePrivate)
(this.version == BITCOIN_MAINNET_PRIVATE || childIndex += 0x80000000;
this.version == BITCOIN_TESTNET_PRIVATE ||
this.version == DOGECOIN_MAINNET_PRIVATE ||
this.version == DOGECOIN_TESTNET_PRIVATE ||
this.version == LITECOIN_MAINNET_PRIVATE ||
this.version == LITECOIN_TESTNET_PRIVATE);
if( use_private && (!this.has_private_key || !is_private) ) throw new Error("Cannot do private key derivation without private key"); bip32 = bip32.deriveChild(childIndex);
}
var ret = null; return bip32;
if( this.has_private_key ) { }
var data = null;
if( use_private ) { BIP32.prototype.deriveChild = function(i) {
data = [0].concat(this.eckey.priv.toByteArrayUnsigned()).concat(ib); var ib = [];
} else { ib.push((i >> 24) & 0xff);
data = this.eckey.pub.getEncoded(true).concat(ib); ib.push((i >> 16) & 0xff);
} ib.push((i >> 8) & 0xff);
ib.push(i & 0xff);
ib = new Buffer(ib);
var j = new jsSHA(Crypto.util.bytesToHex(data), 'HEX'); var usePrivate = (i & 0x80000000) != 0;
var hash = j.getHMAC(Crypto.util.bytesToHex(this.chain_code), "HEX", "SHA-512", "HEX");
var il = new BigInteger(hash.slice(0, 64), 16);
var ir = Crypto.util.hexToBytes(hash.slice(64, 128));
// ki = IL + kpar (mod n). var isPrivate =
var curve = ecparams.getCurve(); (this.version == networks['livenet'].bip32privateVersion ||
var k = il.add(this.eckey.priv).mod(ecparams.getN()); this.version == networks['testnet'].bip32privateVersion );
ret = new BIP32(); if (usePrivate && (!this.hasPrivateKey || !isPrivate))
ret.chain_code = ir; throw new Error("Cannot do private key derivation without private key");
ret.eckey = new Bitcoin.ECKey(k.toByteArrayUnsigned()); var ret = null;
ret.eckey.pub = ret.eckey.getPubPoint(); if (this.hasPrivateKey) {
ret.has_private_key = true; var data = null;
if (usePrivate) {
data = Buffer.concat([new Buffer([0]), this.eckey.private, ib]);
} else { } else {
var data = this.eckey.pub.getEncoded(true).concat(ib); data = Buffer.concat([this.eckey.public, ib]);
var j = new jsSHA(Crypto.util.bytesToHex(data), 'HEX');
var hash = j.getHMAC(Crypto.util.bytesToHex(this.chain_code), "HEX", "SHA-512", "HEX");
var il = new BigInteger(hash.slice(0, 64), 16);
var ir = Crypto.util.hexToBytes(hash.slice(64, 128));
// Ki = (IL + kpar)*G = IL*G + Kpar
var k = ecparams.getG().multiply(il).add(this.eckey.pub);
ret = new BIP32();
ret.chain_code = ir;
ret.eckey = new Bitcoin.ECKey();
ret.eckey.pub = k;
ret.has_private_key = false;
} }
ret.child_index = i; var hash = coinUtil.sha512hmac(data, this.chainCode);
ret.parent_fingerprint = this.eckey.pubKeyHash.slice(0,4); var il = bignum.fromBuffer(hash.slice(0, 32), {size: 32});
ret.version = this.version; var ir = hash.slice(32, 64);
ret.depth = this.depth + 1;
// ki = IL + kpar (mod n).
ret.eckey.setCompressed(true); var priv = bignum.fromBuffer(this.eckey.private, {size: 32});
ret.eckey.pubKeyHash = Bitcoin.Util.sha256ripe160(ret.eckey.pub.getEncoded(true)); var k = il.add(priv).mod(secp256k1_n);
ret.build_extended_public_key(); ret = new BIP32();
ret.build_extended_private_key(); ret.chainCode = ir;
return ret; ret.eckey = new Key();
ret.eckey.private = k.toBuffer({size: 32});
ret.eckey.regenerateSync();
ret.hasPrivateKey = true;
} else {
var data = Buffer.concat([this.eckey.public, ib]);
var hash = coinUtil.sha512hmac(data, this.chainCode);
var il = bignum.fromBuffer(hash.slice(0, 32), {size: 32});
var ir = hash.slice(32, 64);
// Ki = (IL + kpar)*G = IL*G + Kpar
var ilGkey = new Key();
ilGkey.private = il.toBuffer({size: 32});
ilGkey.regenerateSync();
var ilG = Point.fromKey(ilGkey);
var oldkey = new Key();
oldkey.public = this.eckey.public;
var Kpar = Point.fromKey(oldkey);
var newpub = Point.add(ilG, Kpar).toKey().public;
ret = new BIP32();
ret.chainCode = new Buffer(ir);
var eckey = new Key();
eckey.public = newpub;
ret.eckey = eckey;
ret.hasPrivateKey = false;
}
ret.childIndex = i;
ret.parentFingerprint = this.pubKeyHash.slice(0,4);
ret.version = this.version;
ret.depth = this.depth + 1;
ret.eckey.compressed = true;
ret.pubKeyHash = coinUtil.sha256ripe160(ret.eckey.public);
ret.buildExtendedPublicKey();
ret.buildExtendedPrivateKey();
return ret;
} }
function uint(f, size) { function uint(f, size) {
if (f.length < size) if (f.length < size)
throw new Error("not enough data"); throw new Error("not enough data");
var n = 0; var n = 0;
for (var i = 0; i < size; i++) { for (var i = 0; i < size; i++) {
n *= 256; n *= 256;
n += f[i]; n += f[i];
} }
return n; return n;
} }
function u8(f) { return uint(f,1); } function u8(f) {return uint(f,1);}
function u16(f) { return uint(f,2); } function u16(f) {return uint(f,2);}
function u32(f) { return uint(f,4); } function u32(f) {return uint(f,4);}
function u64(f) { return uint(f,8); } function u64(f) {return uint(f,8);}
function decompress_pubkey(key_bytes) {
var y_bit = u8(key_bytes.slice(0, 1)) & 0x01;
var ecparams = getSECCurveByName("secp256k1");
// build X
var x = BigInteger.ZERO.clone();
x.fromString(Crypto.util.bytesToHex(key_bytes.slice(1, 33)), 16);
// get curve
var curve = ecparams.getCurve();
var a = curve.getA().toBigInteger();
var b = curve.getB().toBigInteger();
var p = curve.getQ();
// compute y^2 = x^3 + a*x + b
var tmp = x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(p);
// compute modular square root of y (mod p) module.exports = require('soop')(BIP32);
var y = tmp.modSqrt(p);
// flip sign if we need to
if( (y[0] & 0x01) != y_bit ) {
y = y.multiply(new BigInteger("-1")).mod(p);
}
return new ECPointFp(curve, curve.fromBigInteger(x), curve.fromBigInteger(y));
}

297
Block.js

@ -93,15 +93,11 @@ Block.prototype.checkProofOfWork = function checkProofOfWork() {
// TODO: Create a compare method in node-buffertools that uses the correct // TODO: Create a compare method in node-buffertools that uses the correct
// endian so we don't have to reverse both buffers before comparing. // endian so we don't have to reverse both buffers before comparing.
buffertools.reverse(this.hash); var reverseHash = buffertools.reverse(this.hash);
if (buffertools.compare(reverseHash, target) > 0) {
if (buffertools.compare(this.hash, target) > 0) {
throw new VerificationError('Difficulty target not met'); throw new VerificationError('Difficulty target not met');
} }
// Return the hash to its normal order
buffertools.reverse(this.hash);
return true; return true;
}; };
@ -199,7 +195,7 @@ Block.prototype.checkMerkleRoot = function checkMerkleRoot(txs) {
throw new VerificationError('No merkle root'); throw new VerificationError('No merkle root');
} }
if (buffertools.compare(this.calcMerkleRoot(), this.merkle_root) == 0) { if (buffertools.compare(this.calcMerkleRoot(txs), new Buffer(this.merkle_root)) !== 0) {
throw new VerificationError('Merkle root incorrect'); throw new VerificationError('Merkle root incorrect');
} }
@ -236,214 +232,6 @@ Block.prototype.toString = function toString() {
return "<Block " + util.formatHashAlt(this.hash) + " height="+this.height+">"; return "<Block " + util.formatHashAlt(this.hash) + " height="+this.height+">";
}; };
/**
* Initializes some properties based on information from the parent block.
*/
Block.prototype.attachTo = function attachTo(parent) {
this.height = parent.height + 1;
this.setChainWork(parent.getChainWork().add(this.getWork()));
};
Block.prototype.setChainWork = function setChainWork(chainWork) {
if (Buffer.isBuffer(chainWork)) {
// Nothing to do
} else if ("function" === typeof chainWork.toBuffer) { // duck-typing bignum
chainWork = chainWork.toBuffer();
} else {
throw new Error("Block.setChainWork(): Invalid datatype");
}
this.chainWork = chainWork;
};
Block.prototype.getChainWork = function getChainWork() {
return Bignum.fromBuffer(this.chainWork);
};
/**
* Compares the chainWork of two blocks.
*/
Block.prototype.moreWorkThan = function moreWorkThan(otherBlock) {
return this.getChainWork().cmp(otherBlock.getChainWork()) > 0;
};
/**
* Returns the difficulty target for the next block after this one.
*/
Block.prototype.getNextWork =
function getNextWork(blockChain, nextBlock, callback) {
var self = this;
var powLimit = blockChain.getMinDiff();
var powLimitTarget = util.decodeDiffBits(powLimit, true);
var targetTimespan = blockChain.getTargetTimespan();
var targetSpacing = blockChain.getTargetSpacing();
var interval = targetTimespan / targetSpacing;
if (this.height == 0) {
callback(null, this.bits);
}
if ((this.height+1) % interval !== 0) {
if (blockChain.isTestnet()) {
// Special testnet difficulty rules
var lastBlock = blockChain.getTopBlock();
// If the new block's timestamp is more than 2 * 10 minutes
// then allow mining of a min-difficulty block.
if (nextBlock.timestamp > this.timestamp + targetSpacing*2) {
callback(null, powLimit);
} else {
// Return last non-"special-min-difficulty" block
if (this.bits != powLimit) {
// Current block is non-min-diff
callback(null, this.bits);
} else {
// Recurse backwards until a non min-diff block is found.
function lookForLastNonMinDiff(block, callback) {
try {
if (block.height > 0 &&
block.height % interval !== 0 &&
block.bits == powLimit) {
blockChain.getBlockByHeight(
block.height - 1,
function (err, lastBlock) {
try {
if (err) throw err;
lookForLastNonMinDiff(lastBlock, callback);
} catch (err) {
callback(err);
}
}
);
} else {
callback(null, block.bits);
}
} catch (err) {
callback(err);
}
};
lookForLastNonMinDiff(this, callback);
}
}
} else {
// Not adjustment interval, next block has same difficulty
callback(null, this.bits);
}
} else {
// Get the first block from the old difficulty period
blockChain.getBlockByHeight(
this.height - interval + 1,
function (err, lastBlock) {
try {
if (err) throw err;
// Determine how long the difficulty period really took
var actualTimespan = self.timestamp - lastBlock.timestamp;
// There are some limits to how much we will adjust the difficulty in
// one step
if (actualTimespan < targetTimespan/4) {
actualTimespan = targetTimespan/4;
}
if (actualTimespan > targetTimespan*4) {
actualTimespan = targetTimespan*4;
}
var oldTarget = util.decodeDiffBits(self.bits, true);
var newTarget = oldTarget.mul(actualTimespan).div(targetTimespan);
if (newTarget.cmp(powLimitTarget) > 0) {
newTarget = powLimitTarget;
}
Debug1('Difficulty retarget (target='+targetTimespan +
', actual='+actualTimespan+')');
Debug1('Before: '+oldTarget.toBuffer().toString('hex'));
Debug1('After: '+newTarget.toBuffer().toString('hex'));
callback(null, util.encodeDiffBits(newTarget));
} catch (err) {
callback(err);
}
}
);
}
};
var medianTimeSpan = 11;
Block.prototype.getMedianTimePast =
function getMedianTimePast(blockChain, callback)
{
var self = this;
Step(
function getBlocks() {
var heights = [];
for (var i = 0, m = medianTimeSpan; i < m && (self.height - i) >= 0; i++) {
heights.push(self.height - i);
}
blockChain.getBlocksByHeights(heights, this);
},
function calcMedian(err, blocks) {
if (err) throw err;
var timestamps = blocks.map(function (block) {
if (!block) {
throw new Error("Prior block missing, cannot calculate median time");
}
return +block.timestamp;
});
// Sort timestamps
timestamps = timestamps.sort();
// Return median timestamp
this(null, timestamps[Math.floor(timestamps.length/2)]);
},
callback
);
};
Block.prototype.verifyChild =
function verifyChild(blockChain, child, callback)
{
var self = this;
Step(
function getExpectedDifficulty() {
self.getNextWork(blockChain, child, this);
},
function verifyExpectedDifficulty(err, nextWork) {
if (err) throw err;
if (+child.bits !== +nextWork) {
throw new VerificationError("Incorrect proof of work '"+child.bits+"',"+
" should be '"+nextWork+"'.");
}
this();
},
function getMinimumTimestamp(err) {
if (err) throw err;
self.getMedianTimePast(blockChain, this);
},
function verifyTimestamp(err, medianTimePast) {
if (err) throw err;
if (child.timestamp <= medianTimePast) {
throw new VerificationError("Block's timestamp is too early");
}
this();
},
callback
);
};
Block.prototype.createCoinbaseTx = Block.prototype.createCoinbaseTx =
function createCoinbaseTx(beneficiary) function createCoinbaseTx(beneficiary)
@ -461,85 +249,6 @@ function createCoinbaseTx(beneficiary)
return tx; return tx;
}; };
Block.prototype.prepareNextBlock =
function prepareNextBlock(blockChain, beneficiary, time, callback)
{
var self = this;
var newBlock = new Block();
Step(
function getMedianTimePastStep() {
self.getMedianTimePast(blockChain, this);
},
function getNextWorkStep(err, medianTimePast) {
if (err) throw err;
if (!time) {
// TODO: Use getAdjustedTime for the second timestamp
time = Math.max(medianTimePast+1,
Math.floor(new Date().getTime() / 1000));
}
self.getNextWork(blockChain, newBlock, this);
},
function applyNextWorkStep(err, nextWork) {
if (err) throw err;
newBlock.bits = nextWork;
this(null);
},
function miscStep(err) {
if (err) throw err;
newBlock.version = 1;
newBlock.timestamp = time;
newBlock.prev_hash = self.getHash().slice(0);
newBlock.height = self.height+1;
// Create coinbase transaction
var txs = [];
var tx = newBlock.createCoinbaseTx(beneficiary);
txs.push(tx);
newBlock.merkle_root = newBlock.calcMerkleRoot(txs);
// Return reference to (unfinished) block
this(null, {block: newBlock, txs: txs});
},
callback
);
};
Block.prototype.mineNextBlock =
function mineNextBlock(blockChain, beneficiary, time, miner, callback)
{
this.prepareNextBlock(blockChain, beneficiary, time, function (err, data) {
try {
if (err) throw err;
var newBlock = data.block;
var txs = data.txs;
newBlock.solve(miner, function (err, nonce) {
newBlock.nonce = nonce;
// Make sure hash is cached
newBlock.getHash();
callback(err, newBlock, txs);
});
// Return reference to (unfinished) block
return newBlock;
} catch (e) {
callback(e);
}
});
};
Block.prototype.solve = function solve(miner, callback) { Block.prototype.solve = function solve(miner, callback) {
var header = this.getHeader(); var header = this.getHeader();
var target = util.decodeDiffBits(this.bits); var target = util.decodeDiffBits(this.bits);

11
Connection.js

@ -201,10 +201,15 @@ Connection.prototype.sendVersion = function () {
}; };
Connection.prototype.sendGetBlocks = function (starts, stop, wantHeaders) { Connection.prototype.sendGetBlocks = function (starts, stop, wantHeaders) {
// Default value for stop is 0 to get as many blocks as possible (500)
stop = stop || util.NULL_HASH;
var put = new Put(); var put = new Put();
put.word32le(this.sendVer);
// https://en.bitcoin.it/wiki/Protocol_specification#getblocks
put.word32le(this.sendVer);
put.varint(starts.length); put.varint(starts.length);
for (var i = 0; i < starts.length; i++) { for (var i = 0; i < starts.length; i++) {
if (starts[i].length != 32) { if (starts[i].length != 32) {
throw new Error('Invalid hash length'); throw new Error('Invalid hash length');
@ -458,8 +463,8 @@ Connection.prototype.parseMessage = function (command, payload) {
data.headers = []; data.headers = [];
for (i = 0; i < data.count; i++) { for (i = 0; i < data.count; i++) {
var header = new Block(); var header = new Block();
header.parse(parser); header.parse(parser);
data.headers.push(header); data.headers.push(header);
} }
break; break;

5
Gruntfile.js

@ -16,7 +16,8 @@ module.exports = function(grunt) {
stdout: true, stdout: true,
stderr: true stderr: true
}, },
command: 'node ./browser/build.js -a', command: grunt.option('target') === 'dev' ?
'node ./browser/build.js -a -d ' : 'node ./browser/build.js -a'
} }
}, },
watch: { watch: {
@ -49,6 +50,6 @@ module.exports = function(grunt) {
}); });
grunt.registerTask('default', ['watch']); grunt.registerTask('default', ['shell','watch']);
}; };

23
Key.js

@ -10,7 +10,12 @@ if (process.versions) {
var ECKey = require('./browser/vendor-bundle.js').ECKey; var ECKey = require('./browser/vendor-bundle.js').ECKey;
var buffertools = require('buffertools'); var buffertools = require('buffertools');
var bufferToArray = function(buffer) { var kSpec = function() {
this._pub = null;
this.compressed = true; // default
};
var bufferToArray = kSpec.bufferToArray = function(buffer) {
var ret = []; var ret = [];
var l = buffer.length; var l = buffer.length;
@ -21,11 +26,6 @@ if (process.versions) {
return ret; return ret;
} }
var kSpec = function() {
this._pub = null;
this.compressed = true; // default
};
Object.defineProperty(kSpec.prototype, 'public', { Object.defineProperty(kSpec.prototype, 'public', {
set: function(p){ set: function(p){
@ -33,7 +33,7 @@ if (process.versions) {
throw new Error('Arg should be a buffer'); throw new Error('Arg should be a buffer');
} }
var type = p[0]; var type = p[0];
this.compressed = type!==4; this.compressed = type!==0x04;
this._pub = p; this._pub = p;
}, },
get: function(){ get: function(){
@ -78,6 +78,15 @@ if (process.versions) {
return new Buffer(signature); return new Buffer(signature);
}; };
kSpec.prototype.verifySignature = function(hash, sig, callback) {
try {
var result = this.verifySignatureSync(hash, sig);
callback(null, result);
} catch (e) {
callback(e);
}
};
kSpec.prototype.verifySignatureSync = function(hash, sig) { kSpec.prototype.verifySignatureSync = function(hash, sig) {
var self = this; var self = this;

10
Opcode.js

@ -155,4 +155,14 @@ for (var k in Opcode.map) {
} }
} }
Opcode.asList = function() {
var keys = [];
for (var prop in Opcode.map) {
if (Opcode.map.hasOwnProperty(prop)) {
keys.push(prop);
}
}
return keys;
};
module.exports = require('soop')(Opcode); module.exports = require('soop')(Opcode);

5
PeerManager.js

@ -111,6 +111,9 @@ PeerManager.prototype.addConnection = function(socketConn, peer, opts) {
}; };
PeerManager.prototype.handleVersion = function(e) { PeerManager.prototype.handleVersion = function(e) {
e.peer.version = e.message.version;
e.peer.start_height = e.message.start_height;
if (!e.conn.inbound) { if (!e.conn.inbound) {
// TODO: Advertise our address (if listening) // TODO: Advertise our address (if listening)
} }
@ -132,7 +135,7 @@ PeerManager.prototype.handleReady = function (e) {
}); });
if(this.isConnected == false) { if(this.isConnected == false) {
this.emit('netConnected'); this.emit('netConnected', e);
this.isConnected = true; this.isConnected = true;
} }
}; };

138
Point.js

@ -0,0 +1,138 @@
"use strict";
var imports = require('soop').imports();
var Key = imports.Key || require('./Key');
var bignum = imports.bignum || require('bignum');
var assert = require('assert');
//browser
if (!process.versions) {
var ECKey = require('./browser/vendor-bundle.js').ECKey;
var ECPointFp = require('./browser/vendor-bundle.js').ECPointFp;
var ECFieldElementFp = require('./browser/vendor-bundle.js').ECFieldElementFp;
var getSECCurveByName = require('./browser/vendor-bundle.js').getSECCurveByName;
var BigInteger = require('./browser/vendor-bundle.js').BigInteger;
var should = require('chai').should();
}
//a point on the secp256k1 curve
//x and y are bignums
var Point = function(x, y) {
this.x = x;
this.y = y;
};
Point.add = function(p1, p2) {
//node
if (process.versions) {
var key1 = p1.toKey();
key1.compressed = false;
var key2 = p2.toKey();
key2.compressed = false;
var pubKey = Key.addUncompressed(key1.public, key2.public);
var key = new Key();
key.compressed = false;
key.public = pubKey;
key.compressed = true;
return Point.fromKey(key);
}
//browser
else {
var ecparams = getSECCurveByName('secp256k1');
var p1xhex = p1.x.toBuffer({size: 32}).toString('hex');
var p1x = new BigInteger(p1xhex, 16);
var p1yhex = p1.y.toBuffer({size: 32}).toString('hex');
var p1y = new BigInteger(p1yhex, 16);
var p1px = new ECFieldElementFp(ecparams.getCurve().getQ(), p1x);
var p1py = new ECFieldElementFp(ecparams.getCurve().getQ(), p1y);
var p1p = new ECPointFp(ecparams.getCurve(), p1px, p1py);
var p2xhex = p2.x.toBuffer({size: 32}).toString('hex');
var p2x = new BigInteger(p2xhex, 16);
var p2yhex = p2.y.toBuffer({size: 32}).toString('hex');
var p2y = new BigInteger(p2yhex, 16);
var p2px = new ECFieldElementFp(ecparams.getCurve().getQ(), p2x);
var p2py = new ECFieldElementFp(ecparams.getCurve().getQ(), p2y);
var p2p = new ECPointFp(ecparams.getCurve(), p2px, p2py);
var p = p1p.add(p2p);
var point = new Point();
var pointxbuf = new Buffer(p.getX().toBigInteger().toByteArrayUnsigned());
point.x = bignum.fromBuffer(pointxbuf, {size: pointxbuf.length});
assert(pointxbuf.length <= 32);
var pointybuf = new Buffer(p.getY().toBigInteger().toByteArrayUnsigned());
assert(pointybuf.length <= 32);
point.y = bignum.fromBuffer(pointybuf, {size: pointybuf.length});
return point;
}
};
//convert the public key of a Key into a Point
Point.fromKey = function(key) {
//node
if (process.versions) {
var point = new Point();
var pubKeyBuf = new Buffer(key.public);
var key2 = new Key();
key2.compressed = key.compressed;
key2.public = pubKeyBuf;
key2.compressed = false;
point.x = bignum.fromBuffer(key2.public.slice(1, 33), {size: 32});
point.y = bignum.fromBuffer(key2.public.slice(33, 65), {size: 32});
return point;
}
//browser
else {
var point = new Point();
var pubKeyBuf = new Buffer(key.public);
var key2 = new ECKey();
key2.setCompressed(key.compressed);
key2.setPub(Key.bufferToArray(pubKeyBuf));
key2.setCompressed(false);
point.x = bignum.fromBuffer((new Buffer(key2.getPub())).slice(1, 33), {size: 32});
point.y = bignum.fromBuffer((new Buffer(key2.getPub())).slice(33, 65), {size: 32});
return point;
}
};
//convert the Point into the Key containing a compressed public key
Point.prototype.toKey = function() {
//node
if (process.versions) {
var xbuf = this.x.toBuffer({size: 32});
var ybuf = this.y.toBuffer({size: 32});
var key = new Key();
key.compressed = false;
var prefix = new Buffer([0x04]);
key.public = Buffer.concat([prefix, xbuf, ybuf]); //this might be wrong
key.compressed = true;
return key;
}
//browser
else {
var xbuf = this.x.toBuffer({size: 32});
var ybuf = this.y.toBuffer({size: 32});
var key = new ECKey();
key.setCompressed(false);
var prefix = new Buffer([0x04]);
var pub = Buffer.concat([prefix, xbuf, ybuf]); //this might be wrong
key.setPub(Key.bufferToArray(pub));
key.setCompressed(true);
var key2 = new Key();
key2.public = new Buffer(key.getPub());
return key2;
}
};
module.exports = require('soop')(Point);

17
PrivateKey.js

@ -1,6 +1,7 @@
var imports = require('soop').imports(); var imports = require('soop').imports();
var parent = imports.parent || require('./util/VersionedData'); var parent = imports.parent || require('./util/VersionedData');
var networks= imports.networks || require('./networks');
//compressed is true if public key is compressed; false otherwise //compressed is true if public key is compressed; false otherwise
function PrivateKey(version, buf, compressed) { function PrivateKey(version, buf, compressed) {
@ -18,6 +19,7 @@ PrivateKey.prototype.validate = function() {
if (this.data.length < 32 || (this.data.length > 1+32 && !this.compressed()) || (this.data.length==1+32+1 && this.data[1+32+1-1]!=1) || this.data.length>1+32+1) if (this.data.length < 32 || (this.data.length > 1+32 && !this.compressed()) || (this.data.length==1+32+1 && this.data[1+32+1-1]!=1) || this.data.length>1+32+1)
throw new Error('invalid data length'); throw new Error('invalid data length');
}); });
if (typeof this.network() === 'undefined') throw new Error('invalid network');
}; };
// get or set the payload data (as a Buffer object) // get or set the payload data (as a Buffer object)
@ -61,4 +63,19 @@ PrivateKey.prototype.compressed = function(compressed) {
} }
}; };
PrivateKey.prototype.network = function() {
var version = this.version();
var livenet = networks.livenet;
var testnet = networks.testnet;
var answer;
if (version === livenet.privKeyVersion)
answer = livenet;
else if (version === testnet.privKeyVersion)
answer = testnet;
return answer;
};
module.exports = require('soop')(PrivateKey); module.exports = require('soop')(PrivateKey);

144
README.md

@ -1,6 +1,8 @@
Bitcore Bitcore
======= =======
[![Build Status](https://travis-ci.org/bitpay/bitcore.svg?branch=master)](https://travis-ci.org/bitpay/bitcore)
A pure, powerful core for your bitcoin project. A pure, powerful core for your bitcoin project.
Bitcore is a complete, native interface to the Bitcoin network, and provides the core functionality needed to develop apps for bitcoin. Bitcore is a complete, native interface to the Bitcoin network, and provides the core functionality needed to develop apps for bitcoin.
@ -17,7 +19,7 @@ Bitcore runs on [node](http://nodejs.org/), and can be installed via [npm](https
npm install bitcore npm install bitcore
``` ```
It is a collection of objects useful to bitcoin applications; class-like idioms are enabled via [Soop](https://github.com/gasteve/soop). In most cases, a developer will require the object's class directly. For instance: It is a collection of objects useful to bitcoin applications; class-like idioms are enabled via [Soop](https://github.com/bitpay/soop). In most cases, a developer will require the object's class directly. For instance:
``` ```
var bitcore = require('bitcore'); var bitcore = require('bitcore');
var Address = bitcore.Address; var Address = bitcore.Address;
@ -124,59 +126,48 @@ rpc.getBlock(hash, function(err, ret) {
Check the list of all supported RPC call at [RpcClient.js](RpcClient.js) Check the list of all supported RPC call at [RpcClient.js](RpcClient.js)
## Creating and sending a Transaction through P2P ## Creating and sending a Transaction through P2P
For this example you need a running bitcoind instance with RPC enabled.
The fee of the transaction can be given in `opts` or it will be determined
by the transaction size. Documentation on the paramets of `TransactionBuilder`
can be found on the source file.
```js ```js
var bitcore = require('bitcore'); var bitcore = require('bitcore');
var networks = bitcore.networks; var networks = bitcore.networks;
var Peer = bitcore.Peer; var Peer = bitcore.Peer;
var Transaction = bitcore.Transaction; var TransactionBuilder = bitcore.TransactionBuilder;
var Address = bitcore.Address;
var Script = bitcore.Script;
var coinUtil = bitcore.util;
var PeerManager = require('soop').load('../PeerManager', { var PeerManager = require('soop').load('../PeerManager', {
network: networks.testnet network: networks.testnet
}); });
var createTx = function() { // this can be get from insight.bitcore.io API o blockchain.info
var TXIN = 'd05f35e0bbc495f6dcab03e599c8f5e32a07cdb4bc76964de201d06a2a7d8265';
var TXIN_N = 0; var unspent = [
var ADDR = 'muHct3YZ9Nd5Pq7uLYYhXRAxeW4EnpcaLz'; {
var VAL = '0.001'; "address": "n4g2TFaQo8UgedwpkYdcQFF6xE2Ei9Czvy",
"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
var txobj = { "scriptPubKey": "76a914fe021bac469a5c49915b2a8ffa7390a9ce5580f988ac",
version: 1, "vout": 1,
lock_time: 0, "amount": 1.0101,
ins: [], "confirmations":7
outs: [] },
}; {
"address": "mhNCT9TwZAGF1tLPpZdqfkTmtBkY282YDW",
var txin = { "txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc2",
s: coinUtil.EMPTY_BUFFER, // Add signature "scriptPubKey": "76a9141448534cb1a1ec44665b0eb2326e570814afe3f188ac",
q: 0xffffffff "vout": 0,
}; "confirmations": 1,
"amount": 10
var hash = new Buffer(TXIN.split('').reverse(), 'hex'); },
var vout = parseInt(TXIN_N); ];
var voutBuf = new Buffer(4);
//private keys in WIF format (see TransactionBuilder.js for other options)
voutBuf.writeUInt32LE(vout, 0); var keys = [
txin.o = Buffer.concat([hash, voutBuf]); "cSq7yo4fvsbMyWVN945VUGUWMaSazZPWqBVJZyoGsHmNq6W4HVBV",
txobj.ins.push(txin); "cPa87VgwZfowGZYaEenoQeJgRfKW6PhZ1R65EHTkN1K19cSvc92G",
"cPQ9DSbBRLva9av5nqeF5AGrh3dsdW8p2E5jS4P8bDWZAoQTeeKB"
var addr = new Address(ADDR); ];
var script = Script.createPubKeyHashOut(addr.payload());
var valueNum = coinUtil.parseValue(VAL);
var value = coinUtil.bigIntToValue(valueNum);
var txout = {
v: value,
s: script.getBuffer(),
};
txobj.outs.push(txout);
return new Transaction(txobj);
};
var peerman = new PeerManager(); var peerman = new PeerManager();
peerman.addPeer(new Peer('127.0.0.1', 18333)); peerman.addPeer(new Peer('127.0.0.1', 18333));
@ -184,7 +175,36 @@ peerman.addPeer(new Peer('127.0.0.1', 18333));
peerman.on('connect', function() { peerman.on('connect', function() {
var conn = peerman.getActiveConnection(); var conn = peerman.getActiveConnection();
if (conn) { if (conn) {
conn.sendTx(createTx()); var outs = [{address:toAddress, amount:amt}];
var opts = {remainderAddress: changeAddressString};
var Builder = bitcore.TransactionBuilder;
var tx = new Builder(opts)
.setUnspent(Unspent)
.setOutputs(outs)
.sign(keys)
.build();
/* create and signing can be done in multiple steps using:
*
* var builder = new bitcore.TransactionBuilder(opts)
* .setUnspent(utxos)
* .setOutputs(outs);
* //later
* builder.sign(key1);
* // get partially signed tx
* var tx = builder.build();
*
* //later
* builder.sign(key2);
* if (builder.isFullySigned()){
* var tx = builder.build();
* }
*
* The selected Unspent Outputs for the transaction can be retrieved with:
* var selectedUnspent = build.getSelectedUnspent();
*/
conn.sendTx(tx.serialize().toString('hex'));
} }
conn.on('reject', function() { conn.on('reject', function() {
console.log('Transaction Rejected'); console.log('Transaction Rejected');
@ -214,21 +234,21 @@ var getAddrStr = function(s) {
switch (type) { switch (type) {
case Script.TX_PUBKEY: case Script.TX_PUBKEY:
var chunk = s.captureOne(); var chunk = s.captureOne();
addr = new Address(network.addressPubkey, coinUtil.sha256ripe160(chunk)); addr = new Address(network.addressVersion, coinUtil.sha256ripe160(chunk));
addrStrs.push(addr.toString()); addrStrs.push(addr.toString());
break; break;
case Script.TX_PUBKEYHASH: case Script.TX_PUBKEYHASH:
addr = new Address(network.addressPubkey, s.captureOne()); addr = new Address(network.addressVersion, s.captureOne());
addrStrs.push(addr.toString()); addrStrs.push(addr.toString());
break; break;
case Script.TX_SCRIPTHASH: case Script.TX_SCRIPTHASH:
addr = new Address(network.addressScript, s.captureOne()); addr = new Address(network.P2SHVersion, s.captureOne());
addrStrs.push(addr.toString()); addrStrs.push(addr.toString());
break; break;
case Script.TX_MULTISIG: case Script.TX_MULTISIG:
var chunks = s.capture(); var chunks = s.capture();
chunks.forEach(function(chunk) { chunks.forEach(function(chunk) {
var a = new Address(network.addressPubkey, coinUtil.sha256ripe160(chunk)); var a = new Address(network.addressVersion, coinUtil.sha256ripe160(chunk));
addrStrs.push(a.toString()); addrStrs.push(a.toString());
}); });
break; break;
@ -297,6 +317,30 @@ This will generate a `browser/bundle.js` containing only the Transaction
Use this option if you are not using the whole bitcore library, to optimize Use this option if you are not using the whole bitcore library, to optimize
the bundle size, script loading time, and general resource usage. the bundle size, script loading time, and general resource usage.
## Tests
Run tests in node:
```
mocha
```
Or generate tests in the browser:
```
grunt shell
```
And then open test/index.html in your browser.
To run the code coverage report:
```
npm run-script coverage
```
And then open coverage/lcov-report/index.html in your browser.
#License #License

75
Script.js

@ -35,7 +35,7 @@ function Script(buffer) {
} }
this.chunks = []; this.chunks = [];
this.parse(); this.parse();
}; }
this.class = Script; this.class = Script;
Script.TX_UNKNOWN = TX_UNKNOWN; Script.TX_UNKNOWN = TX_UNKNOWN;
@ -51,19 +51,22 @@ Script.prototype.parse = function() {
while (!parser.eof()) { while (!parser.eof()) {
var opcode = parser.word8(); var opcode = parser.word8();
var len; var len, chunk;
if (opcode > 0 && opcode < OP_PUSHDATA1) { if (opcode > 0 && opcode < OP_PUSHDATA1) {
// Read some bytes of data, opcode value is the length of data // Read some bytes of data, opcode value is the length of data
this.chunks.push(parser.buffer(opcode)); this.chunks.push(parser.buffer(opcode));
} else if (opcode == OP_PUSHDATA1) { } else if (opcode === OP_PUSHDATA1) {
len = parser.word8(); len = parser.word8();
this.chunks.push(parser.buffer(len)); chunk = parser.buffer(len);
} else if (opcode == OP_PUSHDATA2) { this.chunks.push(chunk);
} else if (opcode === OP_PUSHDATA2) {
len = parser.word16le(); len = parser.word16le();
this.chunks.push(parser.buffer(len)); chunk = parser.buffer(len);
} else if (opcode == OP_PUSHDATA4) { this.chunks.push(chunk);
} else if (opcode === OP_PUSHDATA4) {
len = parser.word32le(); len = parser.word32le();
this.chunks.push(parser.buffer(len)); chunk = parser.buffer(len);
this.chunks.push(chunk);
} else { } else {
this.chunks.push(opcode); this.chunks.push(opcode);
} }
@ -71,9 +74,12 @@ Script.prototype.parse = function() {
}; };
Script.prototype.isPushOnly = function() { Script.prototype.isPushOnly = function() {
for (var i = 0; i < this.chunks.length; i++) for (var i = 0; i < this.chunks.length; i++) {
if (!Buffer.isBuffer(this.chunks[i])) var op = this.chunks[i];
if (!Buffer.isBuffer(op) && op > OP_16) {
return false; return false;
}
}
return true; return true;
}; };
@ -262,6 +268,8 @@ Script.prototype.getBuffer = function() {
return this.buffer; return this.buffer;
}; };
Script.prototype.serialize = Script.prototype.getBuffer;
Script.prototype.getStringContent = function(truncate, maxEl) { Script.prototype.getStringContent = function(truncate, maxEl) {
if (truncate === null) { if (truncate === null) {
truncate = true; truncate = true;
@ -371,6 +379,7 @@ Script.prototype.findAndDelete = function(chunk) {
if (Buffer.isBuffer(this.chunks[i]) && if (Buffer.isBuffer(this.chunks[i]) &&
buffertools.compare(this.chunks[i], chunk) === 0) { buffertools.compare(this.chunks[i], chunk) === 0) {
this.chunks.splice(i, 1); this.chunks.splice(i, 1);
i--;
dirty = true; dirty = true;
} }
} }
@ -378,6 +387,7 @@ Script.prototype.findAndDelete = function(chunk) {
for (var i = 0, l = this.chunks.length; i < l; i++) { for (var i = 0, l = this.chunks.length; i < l; i++) {
if (this.chunks[i] === chunk) { if (this.chunks[i] === chunk) {
this.chunks.splice(i, 1); this.chunks.splice(i, 1);
i--;
dirty = true; dirty = true;
} }
} }
@ -415,7 +425,28 @@ Script.createPubKeyHashOut = function(pubKeyHash) {
return script; return script;
}; };
Script.createMultisig = function(n_required, keys) { Script._sortKeys = function(keys) {
return keys.sort(function(buf1, buf2) {
var len = buf1.length > buf1.length ? buf1.length : buf2.length;
for (var i = 0; i <= len; i++) {
if (buf1[i] === undefined)
return -1; //shorter strings come first
if (buf2[i] === undefined)
return 1;
if (buf1[i] < buf2[i])
return -1;
if (buf1[i] > buf2[i])
return 1;
else
continue;
}
return 0;
});
};
Script.createMultisig = function(n_required, inKeys, opts) {
opts = opts || {};
var keys = opts.noSorting ? inKeys : this._sortKeys(inKeys);
var script = new Script(); var script = new Script();
script.writeN(n_required); script.writeN(n_required);
keys.forEach(function(key) { keys.forEach(function(key) {
@ -485,7 +516,25 @@ Script.prototype.toHumanReadable = function() {
} }
} }
return s; return s;
};
Script.prototype.countMissingSignatures = function() {
var ret = 0;
if (!Buffer.isBuffer(this.chunks[0]) && this.chunks[0] ===0) {
// Multisig, skip first 0x0
for (var i = 1; i < this.chunks.length; i++) {
if (this.chunks[i]===0
|| buffertools.compare(this.chunks[i], util.EMPTY_BUFFER) === 0){
ret++;
}
}
}
else {
if (buffertools.compare(this.getBuffer(), util.EMPTY_BUFFER) === 0) {
ret = 1;
}
}
return ret;
}; };
Script.stringToBuffer = function(s) { Script.stringToBuffer = function(s) {
@ -499,7 +548,7 @@ Script.stringToBuffer = function(s) {
//console.log('hex value'); //console.log('hex value');
buf.put(new Buffer(word.substring(2, word.length), 'hex')); buf.put(new Buffer(word.substring(2, word.length), 'hex'));
} else { } else {
var opcode = Opcode.map['OP_' + word]; var opcode = Opcode.map['OP_' + word] || Opcode.map[word];
if (typeof opcode !== 'undefined') { if (typeof opcode !== 'undefined') {
// op code in string form // op code in string form
//console.log('opcode'); //console.log('opcode');
@ -509,7 +558,7 @@ Script.stringToBuffer = function(s) {
if (!isNaN(integer)) { if (!isNaN(integer)) {
// integer // integer
//console.log('integer'); //console.log('integer');
var data = util.intToBuffer(integer); var data = util.intToBufferSM(integer);
buf.put(Script.chunksToBuffer([data])); buf.put(Script.chunksToBuffer([data]));
} else if (word[0] === '\'' && word[word.length-1] === '\'') { } else if (word[0] === '\'' && word[word.length-1] === '\'') {
// string // string

533
ScriptInterpreter.js

@ -1,11 +1,13 @@
var imports = require('soop').imports(); var imports = require('soop').imports();
var config = imports.config || require('./config'); var config = imports.config || require('./config');
var log = imports.log || require('./util/log'); var log = imports.log || require('./util/log');
var Opcode = imports.Opcode || require('./Opcode'); var util = imports.util || require('./util/util');
var Opcode = imports.Opcode || require('./Opcode');
var buffertools = imports.buffertools || require('buffertools'); var buffertools = imports.buffertools || require('buffertools');
var bignum = imports.bignum || require('bignum'); var bignum = imports.bignum || require('bignum');
var Util = imports.Util || require('./util/util'); var Util = imports.Util || require('./util/util');
var Script = require('./Script'); var Script = require('./Script');
var Key = require('./Key');
var SIGHASH_ALL = 1; var SIGHASH_ALL = 1;
var SIGHASH_NONE = 2; var SIGHASH_NONE = 2;
@ -17,7 +19,11 @@ for (var i in Opcode.map) {
eval(i + " = " + Opcode.map[i] + ";"); eval(i + " = " + Opcode.map[i] + ";");
} }
function ScriptInterpreter() { var intToBufferSM = Util.intToBufferSM
var bufferSMToInt = Util.bufferSMToInt;
function ScriptInterpreter(opts) {
this.opts = opts || {};
this.stack = []; this.stack = [];
this.disableUnsafeOpcodes = true; this.disableUnsafeOpcodes = true;
}; };
@ -42,21 +48,21 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
executeStep.call(this, callback); executeStep.call(this, callback);
function executeStep(cb) { function executeStep(cb) {
// Once all chunks have been processed, execution ends try {
if (pc >= script.chunks.length) { // Once all chunks have been processed, execution ends
// Execution stack must be empty at the end of the script if (pc >= script.chunks.length) {
if (execStack.length) { // Execution stack must be empty at the end of the script
cb(new Error("Execution stack ended non-empty")); if (execStack.length) {
cb(new Error("Execution stack ended non-empty"));
return;
}
// Execution successful (Note that we still have to check whether the
// final stack contains a truthy value.)
cb(null);
return; return;
} }
// Execution successful (Note that we still have to check whether the
// final stack contains a truthy value.)
cb(null);
return;
}
try {
// The execution bit is true if there are no "false" values in the // The execution bit is true if there are no "false" values in the
// execution stack. (A "false" value indicates that we're in the // execution stack. (A "false" value indicates that we're in the
// inactive branch of an if statement.) // inactive branch of an if statement.)
@ -92,9 +98,9 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
throw new Error("Encountered a disabled opcode"); throw new Error("Encountered a disabled opcode");
} }
if (exec && Buffer.isBuffer(opcode)) if (exec && Buffer.isBuffer(opcode)) {
this.stack.push(opcode); this.stack.push(opcode);
else if (exec || (OP_IF <= opcode && opcode <= OP_ENDIF)) } else if (exec || (OP_IF <= opcode && opcode <= OP_ENDIF))
switch (opcode) { switch (opcode) {
case OP_0: case OP_0:
this.stack.push(new Buffer([])); this.stack.push(new Buffer([]));
@ -117,7 +123,9 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
case OP_14: case OP_14:
case OP_15: case OP_15:
case OP_16: case OP_16:
this.stack.push(bigintToBuffer(opcode - OP_1 + 1)); var opint = opcode - OP_1 + 1;
var opbuf = intToBufferSM(opint);
this.stack.push(opbuf);
break; break;
case OP_NOP: case OP_NOP:
@ -241,7 +249,7 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
case OP_DEPTH: case OP_DEPTH:
// -- stacksize // -- stacksize
var value = bignum(this.stack.length); var value = bignum(this.stack.length);
this.stack.push(bigintToBuffer(value)); this.stack.push(intToBufferSM(value));
break; break;
case OP_DROP: case OP_DROP:
@ -350,7 +358,7 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
case OP_SIZE: case OP_SIZE:
// (in -- in size) // (in -- in size)
var value = bignum(this.stackTop().length); var value = bignum(this.stackTop().length);
this.stack.push(bigintToBuffer(value)); this.stack.push(intToBufferSM(value));
break; break;
case OP_INVERT: case OP_INVERT:
@ -392,6 +400,7 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
// (x1 x2 - bool) // (x1 x2 - bool)
var v1 = this.stackTop(2); var v1 = this.stackTop(2);
var v2 = this.stackTop(1); var v2 = this.stackTop(1);
var value = buffertools.compare(v1, v2) === 0; var value = buffertools.compare(v1, v2) === 0;
// OP_NOTEQUAL is disabled because it would be too easy to say // OP_NOTEQUAL is disabled because it would be too easy to say
@ -421,7 +430,7 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
case OP_NOT: case OP_NOT:
case OP_0NOTEQUAL: case OP_0NOTEQUAL:
// (in -- out) // (in -- out)
var num = castBigint(this.stackTop()); var num = bufferSMToInt(this.stackTop());
switch (opcode) { switch (opcode) {
case OP_1ADD: case OP_1ADD:
num = num.add(bignum(1)); num = num.add(bignum(1));
@ -448,7 +457,7 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
num = bignum(num.cmp(0) == 0 ? 0 : 1); num = bignum(num.cmp(0) == 0 ? 0 : 1);
break; break;
} }
this.stack[this.stack.length - 1] = bigintToBuffer(num); this.stack[this.stack.length - 1] = intToBufferSM(num);
break; break;
case OP_ADD: case OP_ADD:
@ -470,8 +479,8 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
case OP_MIN: case OP_MIN:
case OP_MAX: case OP_MAX:
// (x1 x2 -- out) // (x1 x2 -- out)
var v1 = castBigint(this.stackTop(2)); var v1 = bufferSMToInt(this.stackTop(2));
var v2 = castBigint(this.stackTop(1)); var v2 = bufferSMToInt(this.stackTop(1));
var num; var num;
switch (opcode) { switch (opcode) {
case OP_ADD: case OP_ADD:
@ -547,7 +556,7 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
} }
this.stackPop(); this.stackPop();
this.stackPop(); this.stackPop();
this.stack.push(bigintToBuffer(num)); this.stack.push(intToBufferSM(num));
if (opcode === OP_NUMEQUALVERIFY) { if (opcode === OP_NUMEQUALVERIFY) {
if (castBool(this.stackTop())) { if (castBool(this.stackTop())) {
@ -560,14 +569,14 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
case OP_WITHIN: case OP_WITHIN:
// (x min max -- out) // (x min max -- out)
var v1 = castBigint(this.stackTop(3)); var v1 = bufferSMToInt(this.stackTop(3));
var v2 = castBigint(this.stackTop(2)); var v2 = bufferSMToInt(this.stackTop(2));
var v3 = castBigint(this.stackTop(1)); var v3 = bufferSMToInt(this.stackTop(1));
this.stackPop(); this.stackPop();
this.stackPop(); this.stackPop();
this.stackPop(); this.stackPop();
var value = v1.cmp(v2) >= 0 && v1.cmp(v3) < 0; var value = v1.cmp(v2) >= 0 && v1.cmp(v3) < 0;
this.stack.push(bigintToBuffer(value ? 1 : 0)); this.stack.push(intToBufferSM(value ? 1 : 0));
break; break;
case OP_RIPEMD160: case OP_RIPEMD160:
@ -612,39 +621,35 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
// Remove signature if present (a signature can't sign itself) // Remove signature if present (a signature can't sign itself)
scriptCode.findAndDelete(sig); scriptCode.findAndDelete(sig);
// // check canonical signature
isCanonicalSignature(new Buffer(sig)); this.isCanonicalSignature(new Buffer(sig));
// Verify signature // Verify signature
checkSig(sig, pubkey, scriptCode, tx, inIndex, hashType, function(e, result) { checkSig(sig, pubkey, scriptCode, tx, inIndex, hashType, function(e, result) {
try { var success;
var success;
if (e) { if (e) {
// We intentionally ignore errors during signature verification and // We intentionally ignore errors during signature verification and
// treat these cases as an invalid signature. // treat these cases as an invalid signature.
success = false; success = false;
} else { } else {
success = result; success = result;
} }
// Update stack // Update stack
this.stackPop(); this.stackPop();
this.stackPop(); this.stackPop();
this.stack.push(new Buffer([success ? 1 : 0])); this.stack.push(new Buffer([success ? 1 : 0]));
if (opcode === OP_CHECKSIGVERIFY) { if (opcode === OP_CHECKSIGVERIFY) {
if (success) { if (success) {
this.stackPop(); this.stackPop();
} else { } else {
throw new Error("OP_CHECKSIGVERIFY negative"); throw new Error("OP_CHECKSIGVERIFY negative");
}
} }
// Run next step
executeStep.call(this, cb);
} catch (e) {
cb(e);
} }
// Run next step
executeStep.call(this, cb);
}.bind(this)); }.bind(this));
// Note that for asynchronous opcodes we have to return here to prevent // Note that for asynchronous opcodes we have to return here to prevent
@ -664,8 +669,10 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
} }
var keys = []; var keys = [];
for (var i = 0, l = keysCount; i < l; i++) { for (var i = 0, l = keysCount; i < l; i++) {
keys.push(this.stackPop()); var pubkey = this.stackPop()
keys.push(pubkey);
} }
var sigsCount = castInt(this.stackPop()); var sigsCount = castInt(this.stackPop());
if (sigsCount < 0 || sigsCount > keysCount) { if (sigsCount < 0 || sigsCount > keysCount) {
throw new Error("OP_CHECKMULTISIG sigsCount out of bounds"); throw new Error("OP_CHECKMULTISIG sigsCount out of bounds");
@ -686,9 +693,11 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
// Convert to binary // Convert to binary
var scriptCode = Script.fromChunks(scriptChunks); var scriptCode = Script.fromChunks(scriptChunks);
// Drop the signatures, since a signature can't sign itself var that = this;
sigs.forEach(function(sig) { sigs.forEach(function(sig) {
isCanonicalSignature(new Buffer(sig)); // check each signature is canonical
that.isCanonicalSignature(new Buffer(sig));
// Drop the signatures for the subscript, since a signature can't sign itself
scriptCode.findAndDelete(sig); scriptCode.findAndDelete(sig);
}); });
@ -698,47 +707,39 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
checkMultiSigStep.call(this); checkMultiSigStep.call(this);
function checkMultiSigStep() { function checkMultiSigStep() {
try { if (success && sigsCount > 0) {
if (success && sigsCount > 0) { var sig = sigs[isig];
var sig = sigs[isig]; var pubkey = keys[ikey];
var key = keys[ikey];
checkSig(sig, pubkey, scriptCode, tx, inIndex, hashType, function(e, result) {
checkSig(sig, key, scriptCode, tx, inIndex, hashType, function(e, result) { if (!e && result) {
try { isig++;
if (!e && result) { sigsCount--;
isig++; } else {
sigsCount--; ikey++;
} else { keysCount--;
ikey++;
keysCount--; // If there are more signatures than keys left, then too many
// signatures have failed
// If there are more signatures than keys left, then too many if (sigsCount > keysCount) {
// signatures have failed success = false;
if (sigsCount > keysCount) {
success = false;
}
}
checkMultiSigStep.call(this);
} catch (e) {
cb(e);
}
}.bind(this));
} else {
this.stack.push(new Buffer([success ? 1 : 0]));
if (opcode === OP_CHECKMULTISIGVERIFY) {
if (success) {
this.stackPop();
} else {
throw new Error("OP_CHECKMULTISIGVERIFY negative");
} }
} }
// Run next step checkMultiSigStep.call(this);
executeStep.call(this, cb); }.bind(this));
} else {
this.stack.push(new Buffer([success ? 1 : 0]));
if (opcode === OP_CHECKMULTISIGVERIFY) {
if (success) {
this.stackPop();
} else {
throw new Error("OP_CHECKMULTISIGVERIFY negative");
}
} }
} catch (e) {
cb(e); // Run next step
executeStep.call(this, cb);
} }
}; };
@ -747,7 +748,6 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
return; return;
default: default:
console.log('opcode '+opcode);
throw new Error("Unknown opcode encountered"); throw new Error("Unknown opcode encountered");
} }
@ -757,7 +757,7 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
} }
// Run next step // Run next step
if (pc % 100) { if (false && pc % 100) {
// V8 allows for much deeper stacks than Bitcoin's scripting language, // V8 allows for much deeper stacks than Bitcoin's scripting language,
// but just to be safe, we'll reset the stack every 100 steps // but just to be safe, we'll reset the stack every 100 steps
process.nextTick(executeStep.bind(this, cb)); process.nextTick(executeStep.bind(this, cb));
@ -765,8 +765,6 @@ ScriptInterpreter.prototype.eval = function eval(script, tx, inIndex, hashType,
executeStep.call(this, cb); executeStep.call(this, cb);
} }
} catch (e) { } catch (e) {
log.debug("Script aborted: " +
(e.message ? e.message : e));
cb(e); cb(e);
} }
} }
@ -804,7 +802,7 @@ ScriptInterpreter.prototype.stackTop = function stackTop(offset) {
}; };
ScriptInterpreter.prototype.stackBack = function stackBack() { ScriptInterpreter.prototype.stackBack = function stackBack() {
return this.stack[-1]; return this.stack[this.stack.length - 1];
}; };
/** /**
@ -838,15 +836,15 @@ ScriptInterpreter.prototype.stackSwap = function stackSwap(a, b) {
* integer. Any longer Buffer is converted to a hex string. * integer. Any longer Buffer is converted to a hex string.
*/ */
ScriptInterpreter.prototype.getPrimitiveStack = function getPrimitiveStack() { ScriptInterpreter.prototype.getPrimitiveStack = function getPrimitiveStack() {
return this.stack.map(function(entry) { return this.stack.map(function(chunk) {
if (entry.length > 2) { if (chunk.length > 2) {
return buffertools.toHex(entry.slice(0)); return buffertools.toHex(chunk.slice(0));
} }
var num = castBigint(entry); var num = bufferSMToInt(chunk);
if (num.cmp(-128) >= 0 && num.cmp(127) <= 0) { if (num.cmp(-128) >= 0 && num.cmp(127) <= 0) {
return num.toNumber(); return num.toNumber();
} else { } else {
return buffertools.toHex(entry.slice(0)); return buffertools.toHex(chunk.slice(0));
} }
}); });
}; };
@ -864,61 +862,7 @@ var castBool = ScriptInterpreter.castBool = function castBool(v) {
return false; return false;
}; };
var castInt = ScriptInterpreter.castInt = function castInt(v) { var castInt = ScriptInterpreter.castInt = function castInt(v) {
return castBigint(v).toNumber(); return bufferSMToInt(v).toNumber();
};
var castBigint = ScriptInterpreter.castBigint = function castBigint(v) {
if (!v.length) {
return bignum(0);
}
// Arithmetic operands must be in range [-2^31...2^31]
if (v.length > 4) {
throw new Error("Bigint cast overflow (> 4 bytes)");
}
var w = new Buffer(v.length);
v.copy(w);
w = buffertools.reverse(w);
if (w[0] & 0x80) {
w[0] &= 0x7f;
return bignum.fromBuffer(w).neg();
} else {
// Positive number
return bignum.fromBuffer(w);
}
};
var bigintToBuffer = ScriptInterpreter.bigintToBuffer = function bigintToBuffer(v) {
if ("number" === typeof v) {
v = bignum(v);
}
var b, c;
var cmp = v.cmp(0);
if (cmp > 0) {
b = v.toBuffer();
if (b[0] & 0x80) {
c = new Buffer(b.length + 1);
b.copy(c, 1);
c[0] = 0;
return buffertools.reverse(c);
} else {
return buffertools.reverse(b);
}
} else if (cmp == 0) {
return new Buffer([]);
} else {
b = v.neg().toBuffer();
if (b[0] & 0x80) {
c = new Buffer(b.length + 1);
b.copy(c, 1);
c[0] = 0x80;
return buffertools.reverse(c);
} else {
b[0] |= 0x80;
return buffertools.reverse(b);
}
}
}; };
ScriptInterpreter.prototype.getResult = function getResult() { ScriptInterpreter.prototype.getResult = function getResult() {
@ -929,8 +873,9 @@ ScriptInterpreter.prototype.getResult = function getResult() {
return castBool(this.stack[this.stack.length - 1]); return castBool(this.stack[this.stack.length - 1]);
}; };
// WARN: Use ScriptInterpreter.verifyFull instead
ScriptInterpreter.verify = ScriptInterpreter.verify =
function verify(scriptSig, scriptPubKey, txTo, n, hashType, callback) { function verify(scriptSig, scriptPubKey, tx, n, hashType, callback) {
if ("function" !== typeof callback) { if ("function" !== typeof callback) {
throw new Error("ScriptInterpreter.verify() requires a callback"); throw new Error("ScriptInterpreter.verify() requires a callback");
} }
@ -939,19 +884,14 @@ ScriptInterpreter.verify =
var si = new ScriptInterpreter(); var si = new ScriptInterpreter();
// Evaluate scripts // Evaluate scripts
si.evalTwo(scriptSig, scriptPubKey, txTo, n, hashType, function(err) { si.evalTwo(scriptSig, scriptPubKey, tx, n, hashType, function(err) {
if (err) { if (err) {
callback(err); callback(err);
return; return;
} }
// Cast result to bool // Cast result to bool
try { var result = si.getResult();
var result = si.getResult();
} catch (err) {
callback(err);
return;
}
callback(null, result); callback(null, result);
}); });
@ -959,8 +899,8 @@ ScriptInterpreter.verify =
return si; return si;
}; };
function verifyStep4(scriptSig, scriptPubKey, txTo, nIn, ScriptInterpreter.prototype.verifyStep4 = function(callback, siCopy) {
hashType, opts, callback, si, siCopy) { // 4th step, check P2SH subscript evaluated to true
if (siCopy.stack.length == 0) { if (siCopy.stack.length == 0) {
callback(null, false); callback(null, false);
return; return;
@ -969,164 +909,183 @@ function verifyStep4(scriptSig, scriptPubKey, txTo, nIn,
callback(null, castBool(siCopy.stackBack())); callback(null, castBool(siCopy.stackBack()));
} }
function verifyStep3(scriptSig, scriptPubKey, txTo, nIn, ScriptInterpreter.prototype.verifyStep3 = function(scriptSig,
hashType, opts, callback, si, siCopy) { scriptPubKey, tx, nIn, hashType, callback, siCopy) {
if (si.stack.length == 0) {
// 3rd step, check result (stack should contain true)
// if stack is empty, script considered invalid
if (this.stack.length === 0) {
callback(null, false); callback(null, false);
return; return;
} }
if (castBool(si.stackBack()) == false) {
// if top of stack contains false, script evaluated to false
if (castBool(this.stackBack()) == false) {
callback(null, false); callback(null, false);
return; return;
} }
// if not P2SH, we're done // if not P2SH, script evaluated to true
if (!opts.verifyP2SH || !scriptPubKey.isP2SH()) { if (!this.opts.verifyP2SH || !scriptPubKey.isP2SH()) {
callback(null, true); callback(null, true);
return; return;
} }
// if P2SH, scriptSig should be push-only
if (!scriptSig.isPushOnly()) { if (!scriptSig.isPushOnly()) {
callback(null, false); callback(null, false);
return; return;
} }
assert.notEqual(siCopy.length, 0); // P2SH script should exist
if (siCopy.length === 0) {
throw new Error('siCopy should have length != 0');
}
var subscript = new Script(siCopy.stackPop()); var subscript = new Script(siCopy.stackPop());
var that = this;
ok = true; // evaluate the P2SH subscript
siCopy.eval(subscript, txTo, nIn, hashType, function(err) { siCopy.eval(subscript, tx, nIn, hashType, function(err) {
if (err) if (err) return callback(err);
callback(err); that.verifyStep4(callback, siCopy);
else
verifyStep4(scriptSig, scriptPubKey, txTo, nIn,
hashType, opts, callback, si, siCopy);
}); });
} };
function verifyStep2(scriptSig, scriptPubKey, txTo, nIn, ScriptInterpreter.prototype.verifyStep2 = function(scriptSig, scriptPubKey,
hashType, opts, callback, si, siCopy) { tx, nIn, hashType, callback, siCopy) {
if (opts.verifyP2SH) { var siCopy;
si.stack.forEach(function(item) { if (this.opts.verifyP2SH) {
siCopy = new ScriptInterpreter(this.opts);
this.stack.forEach(function(item) {
siCopy.stack.push(item); siCopy.stack.push(item);
}); });
} }
si.eval(scriptPubKey, txTo, nIn, hashType, function(err) { var that = this;
if (err) // 2nd step, evaluate scriptPubKey
callback(err); this.eval(scriptPubKey, tx, nIn, hashType, function(err) {
else if (err) return callback(err);
verifyStep3(scriptSig, scriptPubKey, txTo, nIn, that.verifyStep3(scriptSig, scriptPubKey, tx, nIn,
hashType, opts, callback, si, siCopy); hashType, callback, siCopy);
}); });
} };
ScriptInterpreter.prototype.verifyFull = function(scriptSig, scriptPubKey,
tx, nIn, hashType, callback) {
var that = this;
// 1st step, evaluate scriptSig
this.eval(scriptSig, tx, nIn, hashType, function(err) {
if (err) return callback(err);
that.verifyStep2(scriptSig, scriptPubKey, tx, nIn,
hashType, callback);
});
};
ScriptInterpreter.verifyFull = ScriptInterpreter.verifyFull =
function verifyFull(scriptSig, scriptPubKey, txTo, nIn, hashType, function verifyFull(scriptSig, scriptPubKey, tx, nIn, hashType,
opts, callback) { opts, callback) {
var si = new ScriptInterpreter(); var si = new ScriptInterpreter(opts);
var siCopy = new ScriptInterpreter(); si.verifyFull(scriptSig, scriptPubKey,
tx, nIn, hashType, callback);
si.eval(scriptSig, txTo, nIn, hashType, function(err) {
if (err)
callback(err);
else
verifyStep2(scriptSig, scriptPubKey, txTo, nIn,
hashType, opts, callback, si, siCopy);
});
}; };
var checkSig = ScriptInterpreter.checkSig = var checkSig = ScriptInterpreter.checkSig =
function(sig, pubkey, scriptCode, tx, n, hashType, callback) { function(sig, pubkey, scriptCode, tx, n, hashType, callback) {
// https://en.bitcoin.it/wiki/OP_CHECKSIG#How_it_works
if (!sig.length) { if (!sig.length) {
callback(null, false); callback(null, false);
return; return;
} }
if (hashType == 0) { // If the hash-type value is 0, then it is replaced by the last_byte of the signature.
if (hashType === 0) {
hashType = sig[sig.length - 1]; hashType = sig[sig.length - 1];
} else if (hashType != sig[sig.length - 1]) { } else if (hashType != sig[sig.length - 1]) {
callback(null, false); callback(null, false);
return; return;
} }
// Then the last byte of the signature is always deleted. (hashType removed)
sig = sig.slice(0, sig.length - 1); sig = sig.slice(0, sig.length - 1);
try { // Signature verification requires a special hash procedure
// Signature verification requires a special hash procedure var hash = tx.hashForSignature(scriptCode, n, hashType);
var hash = tx.hashForSignature(scriptCode, n, hashType);
// Verify signature
// Verify signature var key = new Key();
var key = new Util.BitcoinKey(); if (pubkey.length === 0) pubkey = new Buffer('00', 'hex');
key.public = pubkey; key.public = pubkey;
key.verifySignature(hash, sig, callback);
} catch (err) { key.verifySignature(hash, sig, callback);
callback(null, false);
}
}; };
var isCanonicalSignature = ScriptInterpreter.isCanonicalSignature = function(sig, opts) { ScriptInterpreter.prototype.isCanonicalSignature = function(sig) {
// See https://bitcointalk.org/index.php?topic=8392.msg127623#msg127623 // See https://bitcointalk.org/index.php?topic=8392.msg127623#msg127623
// A canonical signature exists of: <30> <total len> <02> <len R> <R> <02> <len S> <S> <hashtype> // A canonical signature exists of: <30> <total len> <02> <len R> <R> <02> <len S> <S> <hashtype>
// Where R and S are not negative (their first byte has its highest bit not set), and not // Where R and S are not negative (their first byte has its highest bit not set), and not
// excessively padded (do not start with a 0 byte, unless an otherwise negative number follows, // excessively padded (do not start with a 0 byte, unless an otherwise negative number follows,
// in which case a single 0 byte is necessary and even required). // in which case a single 0 byte is necessary and even required).
if (!Buffer.isBuffer(sig)) if (!Buffer.isBuffer(sig))
throw new Error("arg should be a Buffer"); throw new Error("arg should be a Buffer");
opts = opts || {}; // TODO: change to opts.verifyStrictEnc to make the default
// behavior not verify, as in bitcoin core
var l = sig.length; if (this.opts.dontVerifyStrictEnc) return true;
if (l < 9) throw new Error("Non-canonical signature: too short");
if (l > 73) throw new Error("Non-canonical signature: too long"); var l = sig.length;
if (l < 9) throw new Error("Non-canonical signature: too short");
var nHashType = sig[l-1] & (~(SIGHASH_ANYONECANPAY)); if (l > 73) throw new Error("Non-canonical signature: too long");
if (nHashType < SIGHASH_ALL || nHashType > SIGHASH_SINGLE)
throw new Error("Non-canonical signature: unknown hashtype byte"); var nHashType = sig[l - 1] & (~(SIGHASH_ANYONECANPAY));
if (nHashType < SIGHASH_ALL || nHashType > SIGHASH_SINGLE)
if (sig[0] !== 0x30) throw new Error("Non-canonical signature: unknown hashtype byte");
throw new Error("Non-canonical signature: wrong type");
if (sig[1] !== l-3) if (sig[0] !== 0x30)
throw new Error("Non-canonical signature: wrong length marker"); throw new Error("Non-canonical signature: wrong type");
if (sig[1] !== l - 3)
var nLenR = sig[3]; throw new Error("Non-canonical signature: wrong length marker");
if (5 + nLenR >= l)
throw new Error("Non-canonical signature: S length misplaced"); var nLenR = sig[3];
if (5 + nLenR >= l)
var nLenS = sig[5+nLenR]; throw new Error("Non-canonical signature: S length misplaced");
if ( (nLenR+nLenS+7) !== l)
throw new Error("Non-canonical signature: R+S length mismatch"); var nLenS = sig[5 + nLenR];
if ((nLenR + nLenS + 7) !== l)
var rPos = 4; throw new Error("Non-canonical signature: R+S length mismatch");
var R = new Buffer(nLenR);
sig.copy(R, 0, rPos, rPos+ nLenR); var rPos = 4;
if (sig[rPos-2] !== 0x02) var R = new Buffer(nLenR);
throw new Error("Non-canonical signature: R value type mismatch"); sig.copy(R, 0, rPos, rPos + nLenR);
if (nLenR == 0) if (sig[rPos - 2] !== 0x02)
throw new Error("Non-canonical signature: R length is zero"); throw new Error("Non-canonical signature: R value type mismatch");
if (R[0] & 0x80) if (nLenR == 0)
throw new Error("Non-canonical signature: R value negative"); throw new Error("Non-canonical signature: R length is zero");
if (nLenR > 1 && (R[0] == 0x00) && !(R[1] & 0x80)) if (R[0] & 0x80)
throw new Error("Non-canonical signature: R value excessively padded"); throw new Error("Non-canonical signature: R value negative");
if (nLenR > 1 && (R[0] == 0x00) && !(R[1] & 0x80))
var sPos = 6 + nLenR; throw new Error("Non-canonical signature: R value excessively padded");
var S = new Buffer(nLenS);
sig.copy(S, 0, sPos, sPos+ nLenS); var sPos = 6 + nLenR;
if (sig[sPos-2] != 0x02) var S = new Buffer(nLenS);
throw new Error("Non-canonical signature: S value type mismatch"); sig.copy(S, 0, sPos, sPos + nLenS);
if (nLenS == 0) if (sig[sPos - 2] != 0x02)
throw new Error("Non-canonical signature: S length is zero"); throw new Error("Non-canonical signature: S value type mismatch");
if (S[0] & 0x80) if (nLenS == 0)
throw new Error("Non-canonical signature: S value negative"); throw new Error("Non-canonical signature: S length is zero");
if (nLenS > 1 && (S[0] == 0x00) && !(S[1] & 0x80)) if (S[0] & 0x80)
throw new Error("Non-canonical signature: S value excessively padded"); throw new Error("Non-canonical signature: S value negative");
if (nLenS > 1 && (S[0] == 0x00) && !(S[1] & 0x80))
if (opts.verifyEvenS) { throw new Error("Non-canonical signature: S value excessively padded");
if (S[nLenS-1] & 1)
throw new Error("Non-canonical signature: S value odd"); if (this.opts.verifyEvenS) {
} if (S[nLenS - 1] & 1)
return true; throw new Error("Non-canonical signature: S value odd");
}
return true;
}; };
module.exports = require('soop')(ScriptInterpreter); module.exports = require('soop')(ScriptInterpreter);

10
Sign.js

@ -39,7 +39,7 @@ function signTxIn(nIn, tx, txInputs, network, keys, scripts)
var subType = undefined; var subType = undefined;
var subData = undefined; var subData = undefined;
if (txType == TX_SCRIPTHASH) { if (txType == TX_SCRIPTHASH) {
var addr = new Address(network.addressScript, scriptData[0]); var addr = new Address(network.P2SHVersion, scriptData[0]);
var addrStr = addr.toString(); var addrStr = addr.toString();
if (!(addrStr in scripts)) if (!(addrStr in scripts))
throw new Error("unknown script hash address"); throw new Error("unknown script hash address");
@ -61,7 +61,7 @@ function signTxIn(nIn, tx, txInputs, network, keys, scripts)
return; return;
var pubkeyhash = util.sha256ripe160(scriptData[0]); var pubkeyhash = util.sha256ripe160(scriptData[0]);
var addr = new Address(network.addressPubkey, pubkeyhash); var addr = new Address(network.addressVersion, pubkeyhash);
var addrStr = addr.toString(); var addrStr = addr.toString();
if (!(addrStr in keys)) if (!(addrStr in keys))
throw new Error("unknown pubkey"); throw new Error("unknown pubkey");
@ -75,7 +75,7 @@ function signTxIn(nIn, tx, txInputs, network, keys, scripts)
if (scriptSig.chunks.length > 0) if (scriptSig.chunks.length > 0)
return; return;
var addr = new Address(network.addressPubkey, scriptData[0]); var addr = new Address(network.addressVersion, scriptData[0]);
var addrStr = addr.toString(); var addrStr = addr.toString();
if (!(addrStr in keys)) if (!(addrStr in keys))
throw new Error("unknown pubkey hash address"); throw new Error("unknown pubkey hash address");
@ -90,7 +90,7 @@ function signTxIn(nIn, tx, txInputs, network, keys, scripts)
if (scriptSig.chunks.length > 0) if (scriptSig.chunks.length > 0)
return; return;
var addr = new Address(network.addressPubkey, subData[0]); var addr = new Address(network.addressVersion, subData[0]);
var addrStr = addr.toString(); var addrStr = addr.toString();
if (!(addrStr in keys)) if (!(addrStr in keys))
throw new Error("unknown script(pubkey hash) address"); throw new Error("unknown script(pubkey hash) address");
@ -110,7 +110,7 @@ function signTxIn(nIn, tx, txInputs, network, keys, scripts)
continue; continue;
var pubkeyhash = util.sha256ripe160(scriptSig.chunks[i]); var pubkeyhash = util.sha256ripe160(scriptSig.chunks[i]);
var addr = new Address(network.addressPubkey, pubkeyhash); var addr = new Address(network.addressVersion, pubkeyhash);
var addrStr = addr.toString(); var addrStr = addr.toString();
if (!(addrStr in keys)) if (!(addrStr in keys))
continue; continue;

684
Transaction.js

@ -1,18 +1,24 @@
var imports = require('soop').imports(); var imports = require('soop').imports();
var config = imports.config || require('./config'); var config = imports.config || require('./config');
var log = imports.log || require('./util/log'); var log = imports.log || require('./util/log');
var Address = imports.Address || require('./Address'); var Address = imports.Address || require('./Address');
var Script = imports.Script || require('./Script'); var Script = imports.Script || require('./Script');
var ScriptInterpreter = imports.ScriptInterpreter || require('./ScriptInterpreter'); var ScriptInterpreter = imports.ScriptInterpreter || require('./ScriptInterpreter');
var util = imports.util || require('./util/util'); var util = imports.util || require('./util/util');
var bignum = imports.bignum || require('bignum'); var bignum = imports.bignum || require('bignum');
var Put = imports.Put || require('bufferput'); var Put = imports.Put || require('bufferput');
var Parser = imports.Parser || require('./util/BinaryParser'); var Parser = imports.Parser || require('./util/BinaryParser');
var Step = imports.Step || require('step'); var Step = imports.Step || require('step');
var buffertools = imports.buffertools || require('buffertools'); var buffertools = imports.buffertools || require('buffertools');
var error = imports.error || require('./util/error'); var error = imports.error || require('./util/error');
var networks = imports.networks || require('./networks');
var WalletKey = imports.WalletKey || require('./WalletKey');
var PrivateKey = imports.PrivateKey || require('./PrivateKey');
var COINBASE_OP = Buffer.concat([util.NULL_HASH, new Buffer('FFFFFFFF', 'hex')]); var COINBASE_OP = Buffer.concat([util.NULL_HASH, new Buffer('FFFFFFFF', 'hex')]);
var FEE_PER_1000B_SAT = parseInt(0.0001 * util.COIN);
Transaction.COINBASE_OP = COINBASE_OP;
function TransactionIn(data) { function TransactionIn(data) {
if ("object" !== typeof data) { if ("object" !== typeof data) {
@ -30,7 +36,7 @@ function TransactionIn(data) {
} }
} }
this.s = Buffer.isBuffer(data.s) ? data.s : this.s = Buffer.isBuffer(data.s) ? data.s :
Buffer.isBuffer(data.script) ? data.script : util.EMPTY_BUFFER; Buffer.isBuffer(data.script) ? data.script : util.EMPTY_BUFFER;
this.q = data.q ? data.q : data.sequence; this.q = data.q ? data.q : data.sequence;
} }
@ -39,7 +45,10 @@ TransactionIn.prototype.getScript = function getScript() {
}; };
TransactionIn.prototype.isCoinBase = function isCoinBase() { TransactionIn.prototype.isCoinBase = function isCoinBase() {
return buffertools.compare(this.o, COINBASE_OP) === 0; if (!this.o) return false;
//The new Buffer is for Firefox compatibility
return buffertools.compare(new Buffer(this.o), COINBASE_OP) === 0;
}; };
TransactionIn.prototype.serialize = function serialize() { TransactionIn.prototype.serialize = function serialize() {
@ -55,20 +64,19 @@ TransactionIn.prototype.getOutpointHash = function getOutpointHash() {
if ("undefined" !== typeof this.o.outHashCache) { if ("undefined" !== typeof this.o.outHashCache) {
return this.o.outHashCache; return this.o.outHashCache;
} }
return this.o.outHashCache = this.o.slice(0, 32); return this.o.outHashCache = this.o.slice(0, 32);
}; };
TransactionIn.prototype.getOutpointIndex = function getOutpointIndex() { TransactionIn.prototype.getOutpointIndex = function getOutpointIndex() {
return (this.o[32] ) + return (this.o[32]) +
(this.o[33] << 8) + (this.o[33] << 8) +
(this.o[34] << 16) + (this.o[34] << 16) +
(this.o[35] << 24); (this.o[35] << 24);
}; };
TransactionIn.prototype.setOutpointIndex = function setOutpointIndex(n) { TransactionIn.prototype.setOutpointIndex = function setOutpointIndex(n) {
this.o[32] = n & 0xff; this.o[32] = n & 0xff;
this.o[33] = n >> 8 & 0xff; this.o[33] = n >> 8 & 0xff;
this.o[34] = n >> 16 & 0xff; this.o[34] = n >> 16 & 0xff;
this.o[35] = n >> 24 & 0xff; this.o[35] = n >> 24 & 0xff;
}; };
@ -102,14 +110,14 @@ function Transaction(data) {
this.hash = data.hash || null; this.hash = data.hash || null;
this.version = data.version; this.version = data.version;
this.lock_time = data.lock_time; this.lock_time = data.lock_time;
this.ins = Array.isArray(data.ins) ? data.ins.map(function (data) { this.ins = Array.isArray(data.ins) ? data.ins.map(function(data) {
var txin = new TransactionIn(); var txin = new TransactionIn();
txin.s = data.s; txin.s = data.s;
txin.q = data.q; txin.q = data.q;
txin.o = data.o; txin.o = data.o;
return txin; return txin;
}) : []; }) : [];
this.outs = Array.isArray(data.outs) ? data.outs.map(function (data) { this.outs = Array.isArray(data.outs) ? data.outs.map(function(data) {
var txout = new TransactionOut(); var txout = new TransactionOut();
txout.v = data.v; txout.v = data.v;
txout.s = data.s; txout.s = data.s;
@ -121,7 +129,7 @@ this.class = Transaction;
Transaction.In = TransactionIn; Transaction.In = TransactionIn;
Transaction.Out = TransactionOut; Transaction.Out = TransactionOut;
Transaction.prototype.isCoinBase = function () { Transaction.prototype.isCoinBase = function() {
return this.ins.length == 1 && this.ins[0].isCoinBase(); return this.ins.length == 1 && this.ins[0].isCoinBase();
}; };
@ -148,12 +156,12 @@ Transaction.prototype.serialize = function serialize() {
bufs.push(buf); bufs.push(buf);
bufs.push(util.varIntBuf(this.ins.length)); bufs.push(util.varIntBuf(this.ins.length));
this.ins.forEach(function (txin) { this.ins.forEach(function(txin) {
bufs.push(txin.serialize()); bufs.push(txin.serialize());
}); });
bufs.push(util.varIntBuf(this.outs.length)); bufs.push(util.varIntBuf(this.outs.length));
this.outs.forEach(function (txout) { this.outs.forEach(function(txout) {
bufs.push(txout.serialize()); bufs.push(txout.serialize());
}); });
@ -172,7 +180,7 @@ Transaction.prototype.getBuffer = function getBuffer() {
}; };
Transaction.prototype.calcHash = function calcHash() { Transaction.prototype.calcHash = function calcHash() {
this.hash = util.twoSha256(this.getBuffer()); this.hash = util.twoSha256(this.getBuffer());
return this.hash; return this.hash;
}; };
@ -200,158 +208,16 @@ Transaction.prototype.inputs = function inputs() {
} }
return res; return res;
}
/**
* Load and cache transaction inputs.
*
* This function will try to load the inputs for a transaction.
*
* @param {BlockChain} blockChain A reference to the BlockChain object.
* @param {TransactionMap|null} txStore Additional transactions to consider.
* @param {Boolean} wait Whether to keep trying until the dependencies are
* met (or a timeout occurs.)
* @param {Function} callback Function to call on completion.
*/
Transaction.prototype.cacheInputs =
function cacheInputs(blockChain, txStore, wait, callback) {
var self = this;
var txCache = new TransactionInputsCache(this);
txCache.buffer(blockChain, txStore, wait, callback);
}; };
Transaction.prototype.verify = function verify(txCache, blockChain, callback) { Transaction.prototype.verifyInput = function verifyInput(n, scriptPubKey, opts, callback) {
var self = this; var scriptSig = this.ins[n].getScript();
return ScriptInterpreter.verifyFull(
var txIndex = txCache.txIndex; scriptSig,
scriptPubKey,
var outpoints = []; this, n, 0,
opts,
var valueIn = bignum(0); callback);
var valueOut = bignum(0);
function getTxOut(txin, n) {
var outHash = txin.getOutpointHash();
var outIndex = txin.getOutpointIndex();
var outHashBase64 = outHash.toString('base64');
var fromTxOuts = txIndex[outHashBase64];
if (!fromTxOuts) {
throw new MissingSourceError(
"Source tx " + util.formatHash(outHash) +
" for inputs " + n + " not found",
// We store the hash of the missing tx in the error
// so that the txStore can watch out for it.
outHash.toString('base64')
);
}
var txout = fromTxOuts[outIndex];
if (!txout) {
throw new Error("Source output index "+outIndex+
" for input "+n+" out of bounds");
}
return txout;
};
Step(
function verifyInputs() {
var group = this.group();
if (self.isCoinBase()) {
throw new Error("Coinbase tx are invalid unless part of a block");
}
self.ins.forEach(function (txin, n) {
var txout = getTxOut(txin, n);
// TODO: Verify coinbase maturity
valueIn = valueIn.add(util.valueToBigInt(txout.v));
outpoints.push(txin.o);
self.verifyInput(n, txout.getScript(), group());
});
},
function verifyInputsResults(err, results) {
if (err) throw err;
for (var i = 0, l = results.length; i < l; i++) {
if (!results[i]) {
var txout = getTxOut(self.ins[i]);
log.debug('Script evaluated to false');
log.debug('|- scriptSig', ""+self.ins[i].getScript());
log.debug('`- scriptPubKey', ""+txout.getScript());
throw new VerificationError('Script for input '+i+' evaluated to false');
}
}
this();
},
function queryConflicts(err) {
if (err) throw err;
// Make sure there are no other transactions spending the same outs
blockChain.countConflictingTransactions(outpoints, this);
},
function checkConflicts(err, count) {
if (err) throw err;
self.outs.forEach(function (txout) {
valueOut = valueOut.add(util.valueToBigInt(txout.v));
});
if (valueIn.cmp(valueOut) < 0) {
var outValue = util.formatValue(valueOut);
var inValue = util.formatValue(valueIn);
throw new Error("Tx output value (BTC "+outValue+") "+
"exceeds input value (BTC "+inValue+")");
}
var fees = valueIn.sub(valueOut);
if (count) {
// Spent output detected, retrieve transaction that spends it
blockChain.getConflictingTransactions(outpoints, function (err, results) {
if (results.length) {
if (buffertools.compare(results[0].getHash(), self.getHash()) === 0) {
log.warn("Detected tx re-add (recoverable db corruption): "
+ util.formatHashAlt(results[0].getHash()));
// TODO: Needs to return an error for the memory pool case?
callback(null, fees);
} else {
callback(new Error("At least one referenced output has"
+ " already been spent in tx "
+ util.formatHashAlt(results[0].getHash())));
}
} else {
callback(new Error("Outputs of this transaction are spent, but "+
"the transaction(s) that spend them are not "+
"available. This probably means you need to "+
"reset your database."));
}
});
return;
}
// Success
this(null, fees);
},
callback
);
};
Transaction.prototype.verifyInput = function verifyInput(n, scriptPubKey, callback) {
return ScriptInterpreter.verify(this.ins[n].getScript(),
scriptPubKey,
this, n, 0,
callback);
}; };
/** /**
@ -368,61 +234,47 @@ Transaction.prototype.getAffectedKeys = function getAffectedKeys(txCache) {
// Index any pubkeys affected by the outputs of this transaction // Index any pubkeys affected by the outputs of this transaction
for (var i = 0, l = this.outs.length; i < l; i++) { for (var i = 0, l = this.outs.length; i < l; i++) {
try { var txout = this.outs[i];
var txout = this.outs[i]; var script = txout.getScript();
var script = txout.getScript();
var outPubKey = script.simpleOutPubKeyHash();
var outPubKey = script.simpleOutPubKeyHash(); if (outPubKey) {
if (outPubKey) { this.affects.push(outPubKey);
this.affects.push(outPubKey);
}
} catch (err) {
// It's not our job to validate, so we just ignore any errors and issue
// a very low level log message.
log.debug("Unable to determine affected pubkeys: " +
(err.stack ? err.stack : ""+err));
} }
}; };
// Index any pubkeys affected by the inputs of this transaction // Index any pubkeys affected by the inputs of this transaction
var txIndex = txCache.txIndex; var txIndex = txCache.txIndex;
for (var i = 0, l = this.ins.length; i < l; i++) { for (var i = 0, l = this.ins.length; i < l; i++) {
try { var txin = this.ins[i];
var txin = this.ins[i];
if (txin.isCoinBase()) continue;
if (txin.isCoinBase()) continue;
// In the case of coinbase or IP transactions, the txin doesn't
// In the case of coinbase or IP transactions, the txin doesn't // actually contain the pubkey, so we look at the referenced txout
// actually contain the pubkey, so we look at the referenced txout // instead.
// instead. var outHash = txin.getOutpointHash();
var outHash = txin.getOutpointHash(); var outIndex = txin.getOutpointIndex();
var outIndex = txin.getOutpointIndex(); var outHashBase64 = outHash.toString('base64');
var outHashBase64 = outHash.toString('base64'); var fromTxOuts = txIndex[outHashBase64];
var fromTxOuts = txIndex[outHashBase64];
if (!fromTxOuts) {
if (!fromTxOuts) { throw new Error("Input not found!");
throw new Error("Input not found!"); }
}
var txout = fromTxOuts[outIndex];
var txout = fromTxOuts[outIndex]; var script = txout.getScript();
var script = txout.getScript();
var outPubKey = script.simpleOutPubKeyHash();
var outPubKey = script.simpleOutPubKeyHash(); if (outPubKey) {
if (outPubKey) { this.affects.push(outPubKey);
this.affects.push(outPubKey);
}
} catch (err) {
// It's not our job to validate, so we just ignore any errors and issue
// a very low level log message.
log.debug("Unable to determine affected pubkeys: " +
(err.stack ? err.stack : ""+err));
} }
} }
} }
var affectedKeys = {}; var affectedKeys = {};
this.affects.forEach(function (pubKeyHash) { this.affects.forEach(function(pubKeyHash) {
affectedKeys[pubKeyHash.toString('base64')] = pubKeyHash; affectedKeys[pubKeyHash.toString('base64')] = pubKeyHash;
}); });
@ -434,116 +286,133 @@ var OP_CODESEPARATOR = 171;
var SIGHASH_ALL = 1; var SIGHASH_ALL = 1;
var SIGHASH_NONE = 2; var SIGHASH_NONE = 2;
var SIGHASH_SINGLE = 3; var SIGHASH_SINGLE = 3;
var SIGHASH_ANYONECANPAY = 80; var SIGHASH_ANYONECANPAY = 0x80;
Transaction.SIGHASH_ALL=SIGHASH_ALL; Transaction.SIGHASH_ALL = SIGHASH_ALL;
Transaction.SIGHASH_NONE=SIGHASH_NONE; Transaction.SIGHASH_NONE = SIGHASH_NONE;
Transaction.SIGHASH_SINGLE=SIGHASH_SINGLE; Transaction.SIGHASH_SINGLE = SIGHASH_SINGLE;
Transaction.SIGHASH_ANYONECANPAY=SIGHASH_ANYONECANPAY; Transaction.SIGHASH_ANYONECANPAY = SIGHASH_ANYONECANPAY;
var TransactionSignatureSerializer = function(txTo, scriptCode, nIn, nHashType) {
this.txTo = txTo;
this.scriptCode = scriptCode;
this.nIn = nIn;
this.anyoneCanPay = !!(nHashType & SIGHASH_ANYONECANPAY);
var hashTypeMode = nHashType & 0x1f;
this.hashSingle = hashTypeMode === SIGHASH_SINGLE;
this.hashNone = hashTypeMode === SIGHASH_NONE;
this.bytes = new Put();
};
Transaction.prototype.hashForSignature = // serialize an output of txTo
function hashForSignature(script, inIndex, hashType) { TransactionSignatureSerializer.prototype.serializeOutput = function(nOutput) {
if (+inIndex !== inIndex || if (this.hashSingle && nOutput != this.nIn) {
inIndex < 0 || inIndex >= this.ins.length) { // Do not lock-in the txout payee at other indices as txin
throw new Error("Input index '"+inIndex+"' invalid or out of bounds "+ // ::Serialize(s, CTxOut(), nType, nVersion);
"("+this.ins.length+" inputs)"); this.bytes.put(util.INT64_MAX);
this.bytes.varint(0);
} else {
//::Serialize(s, txTo.vout[nOutput], nType, nVersion);
var out = this.txTo.outs[nOutput];
this.bytes.put(out.v);
this.bytes.varint(out.s.length);
this.bytes.put(out.s);
} }
};
// Clone transaction // serialize the script
var txTmp = new Transaction(); TransactionSignatureSerializer.prototype.serializeScriptCode = function() {
this.ins.forEach(function (txin, i) { this.scriptCode.findAndDelete(OP_CODESEPARATOR);
txTmp.ins.push(new TransactionIn(txin)); this.bytes.varint(this.scriptCode.buffer.length);
}); this.bytes.put(this.scriptCode.buffer);
this.outs.forEach(function (txout) { };
txTmp.outs.push(new TransactionOut(txout));
});
txTmp.version = this.version;
txTmp.lock_time = this.lock_time;
// In case concatenating two scripts ends up with two codeseparators,
// or an extra one at the end, this prevents all those possible
// incompatibilities.
script.findAndDelete(OP_CODESEPARATOR);
// Get mode portion of hashtype
var hashTypeMode = hashType & 0x1f;
// Generate modified transaction data for hash
var bytes = (new Put());
bytes.word32le(this.version);
// Serialize inputs
if (hashType & SIGHASH_ANYONECANPAY) {
// Blank out all inputs except current one, not recommended for open
// transactions.
bytes.varint(1);
bytes.put(this.ins[inIndex].o);
bytes.varint(script.buffer.length);
bytes.put(script.buffer);
bytes.word32le(this.ins[inIndex].q);
} else {
bytes.varint(this.ins.length);
for (var i = 0, l = this.ins.length; i < l; i++) {
var txin = this.ins[i];
bytes.put(this.ins[i].o);
// Current input's script gets set to the script to be signed, all others
// get blanked.
if (inIndex === i) {
bytes.varint(script.buffer.length);
bytes.put(script.buffer);
} else {
bytes.varint(0);
}
if (hashTypeMode === SIGHASH_NONE && inIndex !== i) { // serialize an input of txTo
bytes.word32le(0); TransactionSignatureSerializer.prototype.serializeInput = function(nInput) {
} else { // In case of SIGHASH_ANYONECANPAY, only the input being signed is serialized
bytes.word32le(this.ins[i].q); if (this.anyoneCanPay) nInput = this.nIn;
}
}
}
// Serialize outputs // Serialize the prevout
if (hashTypeMode === SIGHASH_NONE) { this.bytes.put(this.txTo.ins[nInput].o);
bytes.varint(0);
// Serialize the script
if (nInput !== this.nIn) {
// Blank out other inputs' signatures
this.bytes.varint(0);
} else { } else {
var outsLen; this.serializeScriptCode();
if (hashTypeMode === SIGHASH_SINGLE) { }
// TODO: Untested // Serialize the nSequence
if (inIndex >= txTmp.outs.length) { if (nInput !== this.nIn && (this.hashSingle || this.hashNone)) {
throw new Error("Transaction.hashForSignature(): SIGHASH_SINGLE " + // let the others update at will
"no corresponding txout found - out of bounds"); this.bytes.word32le(0);
} } else {
outsLen = inIndex + 1; this.bytes.word32le(this.txTo.ins[nInput].q);
} else { }
outsLen = this.outs.length;
}
// TODO: If hashTypeMode !== SIGHASH_SINGLE, we could memcpy this whole };
// section from the original transaction as is.
bytes.varint(outsLen);
for (var i = 0; i < outsLen; i++) { // serialize txTo for signature
if (hashTypeMode === SIGHASH_SINGLE && i !== inIndex) { TransactionSignatureSerializer.prototype.serialize = function() {
// Zero all outs except the one we want to keep // serialize nVersion
bytes.put(util.INT64_MAX); this.bytes.word32le(this.txTo.version);
bytes.varint(0); // serialize vin
} else { var nInputs = this.anyoneCanPay ? 1 : this.txTo.ins.length;
bytes.put(this.outs[i].v); this.bytes.varint(nInputs);
bytes.varint(this.outs[i].s.length); for (var nInput = 0; nInput < nInputs; nInput++) {
bytes.put(this.outs[i].s); this.serializeInput(nInput);
} }
} // serialize vout
var nOutputs = this.hashNone ? 0 : (this.hashSingle ? this.nIn + 1 : this.txTo.outs.length);
this.bytes.varint(nOutputs);
for (var nOutput = 0; nOutput < nOutputs; nOutput++) {
this.serializeOutput(nOutput);
} }
bytes.word32le(this.lock_time); // serialize nLockTime
this.bytes.word32le(this.txTo.lock_time);
};
var buffer = bytes.buffer(); TransactionSignatureSerializer.prototype.buffer = function() {
this.serialize();
return this.bytes.buffer();
};
Transaction.Serializer = TransactionSignatureSerializer;
var oneBuffer = function() {
// bug present in bitcoind which must be also present in bitcore
// see https://bitcointalk.org/index.php?topic=260595
var ret = new Buffer(32);
ret.writeUInt8(1, 0);
for (var i=1; i<32; i++) ret.writeUInt8(0, i);
return ret; // return 1 bug
};
// Append hashType Transaction.prototype.hashForSignature =
buffer = Buffer.concat([buffer, new Buffer([parseInt(hashType), 0, 0, 0])]); function hashForSignature(script, inIndex, hashType) {
if (+inIndex !== inIndex ||
inIndex < 0 || inIndex >= this.ins.length) {
return oneBuffer();
}
// Check for invalid use of SIGHASH_SINGLE
var hashTypeMode = hashType & 0x1f;
if (hashTypeMode === SIGHASH_SINGLE) {
if (inIndex >= this.outs.length) {
return oneBuffer();
}
}
return util.twoSha256(buffer); // Wrapper to serialize only the necessary parts of the transaction being signed
var serializer = new TransactionSignatureSerializer(this, script, inIndex, hashType);
// Serialize
var buffer = serializer.buffer();
// Append hashType
var hashBuf = new Put().word32le(hashType).buffer();
buffer = Buffer.concat([buffer, hashBuf]);
return util.twoSha256(buffer);
}; };
/** /**
@ -558,7 +427,7 @@ Transaction.prototype.getStandardizedObject = function getStandardizedObject() {
var totalSize = 8; // version + lock_time var totalSize = 8; // version + lock_time
totalSize += util.getVarIntSize(this.ins.length); // tx_in count totalSize += util.getVarIntSize(this.ins.length); // tx_in count
var ins = this.ins.map(function (txin) { var ins = this.ins.map(function(txin) {
var txinObj = { var txinObj = {
prev_out: { prev_out: {
hash: buffertools.reverse(new Buffer(txin.getOutpointHash())).toString('hex'), hash: buffertools.reverse(new Buffer(txin.getOutpointHash())).toString('hex'),
@ -576,7 +445,7 @@ Transaction.prototype.getStandardizedObject = function getStandardizedObject() {
}); });
totalSize += util.getVarIntSize(this.outs.length); totalSize += util.getVarIntSize(this.outs.length);
var outs = this.outs.map(function (txout) { var outs = this.outs.map(function(txout) {
totalSize += util.getVarIntSize(txout.s.length) + totalSize += util.getVarIntSize(txout.s.length) +
txout.s.length + 8; // script_len + script + value txout.s.length + 8; // script_len + script + value
return { return {
@ -642,7 +511,7 @@ Transaction.prototype.fromObj = function fromObj(obj) {
this.outs = txobj.outs; this.outs = txobj.outs;
} }
Transaction.prototype.parse = function (parser) { Transaction.prototype.parse = function(parser) {
if (Buffer.isBuffer(parser)) { if (Buffer.isBuffer(parser)) {
this._buffer = parser; this._buffer = parser;
parser = new Parser(parser); parser = new Parser(parser);
@ -657,10 +526,10 @@ Transaction.prototype.parse = function (parser) {
this.ins = []; this.ins = [];
for (j = 0; j < txinCount; j++) { for (j = 0; j < txinCount; j++) {
var txin = new TransactionIn(); var txin = new TransactionIn();
txin.o = parser.buffer(36); // outpoint txin.o = parser.buffer(36); // outpoint
sLen = parser.varInt(); // script_len sLen = parser.varInt(); // script_len
txin.s = parser.buffer(sLen); // script txin.s = parser.buffer(sLen); // script
txin.q = parser.word32le(); // sequence txin.q = parser.word32le(); // sequence
this.ins.push(txin); this.ins.push(txin);
} }
@ -669,9 +538,9 @@ Transaction.prototype.parse = function (parser) {
this.outs = []; this.outs = [];
for (j = 0; j < txoutCount; j++) { for (j = 0; j < txoutCount; j++) {
var txout = new TransactionOut(); var txout = new TransactionOut();
txout.v = parser.buffer(8); // value txout.v = parser.buffer(8); // value
sLen = parser.varInt(); // script_len sLen = parser.varInt(); // script_len
txout.s = parser.buffer(sLen); // script txout.s = parser.buffer(sLen); // script
this.outs.push(txout); this.outs.push(txout);
} }
@ -679,141 +548,58 @@ Transaction.prototype.parse = function (parser) {
this.calcHash(); this.calcHash();
}; };
var TransactionInputsCache = exports.TransactionInputsCache =
function TransactionInputsCache(tx)
{
var txList = [];
var txList64 = [];
var reqOuts = {};
// Get list of transactions required for verification
tx.ins.forEach(function (txin) {
if (txin.isCoinBase()) return;
var hash = txin.o.slice(0, 32);
var hash64 = hash.toString('base64'); Transaction.prototype.calcSize = function() {
if (txList64.indexOf(hash64) == -1) { var totalSize = 8; // version + lock_time
txList.push(hash); totalSize += util.getVarIntSize(this.ins.length); // tx_in count
txList64.push(hash64); this.ins.forEach(function(txin) {
} totalSize += 36 + util.getVarIntSize(txin.s.length) +
if (!reqOuts[hash64]) { txin.s.length + 4; // outpoint + script_len + script + sequence
reqOuts[hash64] = [];
}
reqOuts[hash64][txin.getOutpointIndex()] = true;
}); });
this.tx = tx; totalSize += util.getVarIntSize(this.outs.length);
this.txList = txList; this.outs.forEach(function(txout) {
this.txList64 = txList64; totalSize += util.getVarIntSize(txout.s.length) +
this.txIndex = {}; txout.s.length + 8; // script_len + script + value
this.requiredOuts = reqOuts; });
this.callbacks = []; this.size = totalSize;
return totalSize;
}; };
TransactionInputsCache.prototype.buffer = function buffer(blockChain, txStore, wait, callback) Transaction.prototype.getSize = function getHash() {
{ if (!this.size) {
var self = this; this.size = this.calcSize();
var complete = false;
if ("function" === typeof callback) {
self.callbacks.push(callback);
} }
return this.size;
};
var missingTx = {};
self.txList64.forEach(function (hash64) {
missingTx[hash64] = true;
});
// A utility function to create the index object from the txs result lists
function indexTxs(err, txs) {
if (err) throw err;
// Index memory transactions
txs.forEach(function (tx) {
var hash64 = tx.getHash().toString('base64');
var obj = {};
Object.keys(self.requiredOuts[hash64]).forEach(function (o) {
obj[+o] = tx.outs[+o];
});
self.txIndex[hash64] = obj;
delete missingTx[hash64];
});
this(null);
};
Step( Transaction.prototype.countInputMissingSignatures = function(index) {
// First find and index memory transactions (if a txStore was provided) var ret = 0;
function findMemTx() { var script = new Script(this.ins[index].s);
if (txStore) { return script.countMissingSignatures();
txStore.find(self.txList64, this);
} else {
this(null, []);
}
},
indexTxs,
// Second find and index persistent transactions
function findBlockChainTx(err) {
if (err) throw err;
// TODO: Major speedup should be possible if we load only the outs and not
// whole transactions.
var callback = this;
blockChain.getOutputsByHashes(self.txList, function (err, result) {
callback(err, result);
});
},
indexTxs,
function saveTxCache(err) {
if (err) throw err;
var missingTxDbg = '';
if (Object.keys(missingTx).length) {
missingTxDbg = Object.keys(missingTx).map(function (hash64) {
return util.formatHash(new Buffer(hash64, 'base64'));
}).join(',');
}
if (wait && Object.keys(missingTx).length) {
// TODO: This might no longer be needed now that saveTransactions uses
// the safe=true option.
setTimeout(function () {
var missingHashes = Object.keys(missingTx);
if (missingHashes.length) {
self.callback(new Error('Missing inputs (timeout while searching): '
+ missingTxDbg));
} else if (!complete) {
self.callback(new Error('Callback failed to trigger'));
}
}, 10000);
} else {
complete = true;
this(null, self);
}
},
self.callback.bind(self)
);
}; };
TransactionInputsCache.prototype.callback = function callback(err) Transaction.prototype.isInputComplete = function(index) {
{ return this.countInputMissingSignatures(index)===0;
var args = Array.prototype.slice.apply(arguments); };
// Empty the callback array first (because downstream functions could add new Transaction.prototype.isComplete = function() {
// callbacks or otherwise interfere if were not in a consistent state.) var ret = true;
var cbs = this.callbacks; var l = this.ins.length;
this.callbacks = [];
try { for (var i = 0; i < l; i++) {
cbs.forEach(function (cb) { if (!this.isInputComplete(i)){
cb.apply(null, args); ret = false;
}); break;
} catch (err) { }
log.err("Callback error after connecting tx inputs: "+
(err.stack ? err.stack : err.toString()));
} }
return ret;
}; };
module.exports = require('soop')(Transaction); module.exports = require('soop')(Transaction);

719
TransactionBuilder.js

@ -0,0 +1,719 @@
/*
var tx = (new TransactionBuilder(opts))
.setUnspent(utxos)
.setOutputs(outs)
.sign(keys)
.build();
var builder = (new TransactionBuilder(opts))
.setUnspent(spent)
.setOutputs(outs);
// Uncomplete tx (no signed or partially signed)
var tx = builder.build();
..later..
builder.sign(keys);
while ( builder.isFullySigned() ) {
... get new keys ...
builder.sign(keys);
}
var tx = builder.build();
broadcast(tx.serialize());
To get selected unspent outputs:
var selectedUnspent = builder.getSelectedUnspent();
@unspent
* unspent outputs array (UTXO), using the following format:
* [{
* address: "mqSjTad2TKbPcKQ3Jq4kgCkKatyN44UMgZ",
* hash: "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
* scriptPubKey: "76a9146ce4e1163eb18939b1440c42844d5f0261c0338288ac",
* vout: 1,
* amount: 0.01,
* confirmations: 3
* }, ...
* ]
* This is compatible con insight's utxo API.
* That amount is in BTCs (as returned in insight and bitcoind).
* amountSat (instead of amount) can be given to provide amount in satochis.
*
* @outs
* an array of [{
* address: xx,
* amount:0.001
* },...]
*
* @keys
* an array of strings representing private keys to sign the
* transaction in WIF private key format OR WalletKey objects
*
* @opts
* {
* remainderOut: null,
* fee: 0.001,
* lockTime: null,
* spendUnconfirmed: false,
* signhash: SIGHASH_ALL
* }
* Amounts are in BTC. instead of fee and amount; feeSat and amountSat can be given,
* repectively, to provide amounts in satoshis.
*
* If no remainderOut is given, and there are remainder coins, the
* first IN out will be used to return the coins. remainderOut has the form:
* remainderOut = { address: 1xxxxx}
* or
* remainderOut = { pubkeys: ['hex1','hex2',...} for multisig
*
*
*/
'use strict';
var imports = require('soop').imports();
var Address = imports.Address || require('./Address');
var Script = imports.Script || require('./Script');
var util = imports.util || require('./util/util');
var bignum = imports.bignum || require('bignum');
var buffertools = imports.buffertools || require('buffertools');
var networks = imports.networks || require('./networks');
var WalletKey = imports.WalletKey || require('./WalletKey');
var PrivateKey = imports.PrivateKey || require('./PrivateKey');
var Transaction = imports.Transaction || require('./Transaction');
var FEE_PER_1000B_SAT = parseInt(0.0001 * util.COIN);
function TransactionBuilder(opts) {
opts = opts || {};
this.txobj = {};
this.txobj.version = 1;
this.txobj.lock_time = opts.lockTime || 0;
this.txobj.ins = [];
this.txobj.outs = [];
this.spendUnconfirmed = opts.spendUnconfirmed || false;
if (opts.fee || opts.feeSat) {
this.givenFeeSat = opts.fee ? opts.fee * util.COIN : opts.feeSat;
}
this.remainderOut = opts.remainderOut;
this.signhash = opts.signhash || Transaction.SIGHASH_ALL;
this.tx = {};
this.inputsSigned= 0;
return this;
}
/*
* scriptForAddress
*
* Returns a scriptPubKey for the given address type
*/
TransactionBuilder.scriptForAddress = function(addressString) {
var livenet = networks.livenet;
var testnet = networks.testnet;
var address = new Address(addressString);
var version = address.version();
var script;
if (version === livenet.addressVersion || version === testnet.addressVersion)
script = Script.createPubKeyHashOut(address.payload());
else if (version === livenet.P2SHVersion || version === testnet.P2SHVersion)
script = Script.createP2SH(address.payload());
else
throw new Error('invalid output address');
return script;
};
TransactionBuilder._scriptForPubkeys = function(out) {
var l = out.pubkeys.length;
var pubKeyBuf=[];
for (var i=0; i<l; i++) {
pubKeyBuf.push(new Buffer(out.pubkeys[i],'hex'));
}
return Script.createMultisig(out.nreq, pubKeyBuf);
};
TransactionBuilder._scriptForOut = function(out) {
var ret;
if (out.address)
ret = this.scriptForAddress(out.address);
else if (out.pubkeys || out.nreq || out.nreq > 1)
ret = this._scriptForPubkeys(out);
else
throw new Error('unknown out type');
return ret;
};
TransactionBuilder.infoForP2sh = function(opts, networkName) {
var script = this._scriptForOut(opts);
var hash = util.sha256ripe160(script.getBuffer());
var version = networkName === 'testnet' ?
networks.testnet.P2SHVersion : networks.livenet.P2SHVersion;
var addr = new Address(version, hash);
var addrStr = addr.as('base58');
return {
script: script,
scriptBufHex: script.getBuffer().toString('hex'),
hash: hash,
address: addrStr,
};
};
TransactionBuilder.prototype.setUnspent = function(utxos) {
this.utxos = utxos;
return this;
};
TransactionBuilder.prototype._setInputMap = function() {
var inputMap = [];
var l = this.selectedUtxos.length;
for (var i = 0; i < l; i++) {
var utxo = this.selectedUtxos[i];
var scriptBuf = new Buffer(utxo.scriptPubKey, 'hex');
var scriptPubKey = new Script(scriptBuf);
var scriptType = scriptPubKey.classify();
if (scriptType === Script.TX_UNKNOWN)
throw new Error('unkown output type at:' + i +
' Type:' + scriptPubKey.getRawOutType());
inputMap.push({
address: utxo.address,
scriptPubKey: scriptPubKey,
scriptType: scriptType,
i: i,
});
}
this.inputMap = inputMap;
return this;
};
TransactionBuilder.prototype.getSelectedUnspent = function() {
return this.selectedUtxos;
};
/* _selectUnspent
* TODO(?): sort sel (at the end) and check is some inputs can be avoided.
* If the initial utxos are sorted, this step would be necesary only if
* utxos were selected from different minConfirmationSteps.
*/
TransactionBuilder.prototype._selectUnspent = function(neededAmountSat) {
if (!this.utxos || !this.utxos.length)
throw new Error('unspent not set');
var minConfirmationSteps = [6, 1];
if (this.spendUnconfirmed) minConfirmationSteps.push(0);
var sel = [],
totalSat = bignum(0),
fulfill = false,
maxConfirmations = null,
l = this.utxos.length;
do {
var minConfirmations = minConfirmationSteps.shift();
for (var i = 0; i < l; i++) {
var u = this.utxos[i];
var c = u.confirmations || 0;
if (c < minConfirmations || (maxConfirmations && c >= maxConfirmations))
continue;
var sat = u.amountSat || util.parseValue(u.amount);
totalSat = totalSat.add(sat);
sel.push(u);
if (totalSat.cmp(neededAmountSat) >= 0) {
fulfill = true;
break;
}
}
maxConfirmations = minConfirmations;
} while (!fulfill && minConfirmationSteps.length);
if (!fulfill)
throw new Error('no enough unspent to fulfill totalNeededAmount [SAT]:' +
neededAmountSat);
this.selectedUtxos = sel;
this._setInputMap();
return this;
};
TransactionBuilder.prototype._setInputs = function() {
var ins = this.selectedUtxos;
var l = ins.length;
var valueInSat = bignum(0);
this.txobj.ins=[];
for (var i = 0; i < l; i++) {
valueInSat = valueInSat.add(util.parseValue(ins[i].amount));
var txin = {};
txin.s = util.EMPTY_BUFFER;
txin.q = 0xffffffff;
var hash = new Buffer(ins[i].txid, 'hex');
var hashReversed = buffertools.reverse(hash);
var vout = parseInt(ins[i].vout);
var voutBuf = new Buffer(4);
voutBuf.writeUInt32LE(vout, 0);
txin.o = Buffer.concat([hashReversed, voutBuf]);
this.txobj.ins.push(txin);
}
this.valueInSat = valueInSat;
return this;
};
TransactionBuilder.prototype._setFee = function(feeSat) {
if ( typeof this.valueOutSat === 'undefined')
throw new Error('valueOutSat undefined');
var valueOutSat = this.valueOutSat.add(feeSat);
if (this.valueInSat.cmp(valueOutSat) < 0) {
var inv = this.valueInSat.toString();
var ouv = valueOutSat.toString();
throw new Error('transaction input amount is less than outputs: ' +
inv + ' < ' + ouv + ' [SAT]');
}
this.feeSat = feeSat;
return this;
};
TransactionBuilder.prototype._setRemainder = function(remainderIndex) {
if ( typeof this.valueInSat === 'undefined' ||
typeof this.valueOutSat === 'undefined')
throw new Error('valueInSat / valueOutSat undefined');
// add remainder (without modifying outs[])
var remainderSat = this.valueInSat.sub(this.valueOutSat).sub(this.feeSat);
var l =this.txobj.outs.length;
this.remainderSat = bignum(0);
//remove old remainder?
if (l > remainderIndex) {
this.txobj.outs.pop();
}
if (remainderSat.cmp(0) > 0) {
var remainderOut = this.remainderOut || this.selectedUtxos[0];
var value = util.bigIntToValue(remainderSat);
var script = TransactionBuilder._scriptForOut(remainderOut);
var txout = {
v: value,
s: script.getBuffer(),
};
this.txobj.outs.push(txout);
this.remainderSat = remainderSat;
}
return this;
};
TransactionBuilder.prototype._setFeeAndRemainder = function() {
//starting size estimation
var size = 500, maxSizeK, remainderIndex = this.txobj.outs.length;
do {
// based on https://en.bitcoin.it/wiki/Transaction_fees
maxSizeK = parseInt(size / 1000) + 1;
var feeSat = this.givenFeeSat ?
this.givenFeeSat : maxSizeK * FEE_PER_1000B_SAT;
var neededAmountSat = this.valueOutSat.add(feeSat);
this._selectUnspent(neededAmountSat)
._setInputs()
._setFee(feeSat)
._setRemainder(remainderIndex);
size = new Transaction(this.txobj).getSize();
} while (size > (maxSizeK + 1) * 1000);
return this;
};
TransactionBuilder.prototype.setOutputs = function(outs) {
var valueOutSat = bignum(0);
this.txobj.outs = [];
var l =outs.length;
for (var i = 0; i < l; i++) {
var amountSat = outs[i].amountSat || util.parseValue(outs[i].amount);
var value = util.bigIntToValue(amountSat);
var script = TransactionBuilder._scriptForOut(outs[i]);
var txout = {
v: value,
s: script.getBuffer(),
};
this.txobj.outs.push(txout);
var sat = outs[i].amountSat || util.parseValue(outs[i].amount);
valueOutSat = valueOutSat.add(sat);
}
this.valueOutSat = valueOutSat;
this._setFeeAndRemainder();
this.tx = new Transaction(this.txobj);
return this;
};
TransactionBuilder._mapKeys = function(keys) {
//prepare keys
var walletKeyMap = {};
var l = keys.length;
var wk;
for (var i = 0; i < l; i++) {
var k = keys[i];
if (typeof k === 'string') {
var pk = new PrivateKey(k);
wk = new WalletKey({ network: pk.network() });
wk.fromObj({ priv: k });
}
else if (k instanceof WalletKey) {
wk = k;
}
else {
throw new Error('argument must be an array of strings (WIF format) or WalletKey objects');
}
walletKeyMap[wk.storeObj().addr] = wk;
}
return walletKeyMap;
};
TransactionBuilder._signHashAndVerify = function(wk, txSigHash) {
var triesLeft = 10, sigRaw;
do {
sigRaw = wk.privKey.signSync(txSigHash);
} while (wk.privKey.verifySignatureSync(txSigHash, sigRaw) === false &&
triesLeft--);
if (triesLeft<0)
throw new Error('could not sign input: verification failed');
return sigRaw;
};
TransactionBuilder.prototype._checkTx = function() {
if (! this.tx || !this.tx.ins.length || !this.tx.outs.length)
throw new Error('tx is not defined');
};
TransactionBuilder.prototype._multiFindKey = function(walletKeyMap,pubKeyHash) {
var wk;
[ networks.livenet, networks.testnet].forEach(function(n) {
[ n.addressVersion, n.P2SHVersion].forEach(function(v) {
var a = new Address(v,pubKeyHash);
if (!wk && walletKeyMap[a]) {
wk = walletKeyMap[a];
}
});
});
return wk;
};
TransactionBuilder.prototype._findWalletKey = function(walletKeyMap, input) {
var wk;
if (input.address) {
wk = walletKeyMap[input.address];
}
else if (input.pubKeyHash) {
wk = this._multiFindKey(walletKeyMap, input.pubKeyHash);
}
else if (input.pubKeyBuf) {
var pubKeyHash = util.sha256ripe160(input.pubKeyBuf);
wk = this._multiFindKey(walletKeyMap, pubKeyHash);
} else {
throw new Error('no infomation at input to find keys');
}
return wk;
};
TransactionBuilder.prototype._signPubKey = function(walletKeyMap, input, txSigHash) {
if (this.tx.ins[input.i].s.length > 0) return {};
var wk = this._findWalletKey(walletKeyMap, input);
if (!wk) return;
var sigRaw = TransactionBuilder._signHashAndVerify(wk, txSigHash);
var sigType = new Buffer(1);
sigType[0] = this.signhash;
var sig = Buffer.concat([sigRaw, sigType]);
var scriptSig = new Script();
scriptSig.chunks.push(sig);
scriptSig.updateBuffer();
return {isFullySigned: true, signaturesAdded: true, script: scriptSig.getBuffer()};
};
TransactionBuilder.prototype._signPubKeyHash = function(walletKeyMap, input, txSigHash) {
if (this.tx.ins[input.i].s.length > 0) return {};
var wk = this._findWalletKey(walletKeyMap, input);
if (!wk) return;
var sigRaw = TransactionBuilder._signHashAndVerify(wk, txSigHash);
var sigType = new Buffer(1);
sigType[0] = this.signhash;
var sig = Buffer.concat([sigRaw, sigType]);
var scriptSig = new Script();
scriptSig.chunks.push(sig);
scriptSig.chunks.push(wk.privKey.public);
scriptSig.updateBuffer();
return {isFullySigned: true, signaturesAdded: true, script: scriptSig.getBuffer()};
};
// FOR TESTING
// var _dumpChunks = function (scriptSig, label) {
// console.log('## DUMP: ' + label + ' ##');
// for(var i=0; i<scriptSig.chunks.length; i++) {
// console.log('\tCHUNK ', i, scriptSig.chunks[i]);
// }
// };
TransactionBuilder.prototype._initMultiSig = function(scriptSig, nreq) {
var wasUpdated = false;
if (scriptSig.chunks.length < nreq + 1) {
wasUpdated = true;
scriptSig.writeN(0);
while (scriptSig.chunks.length <= nreq)
scriptSig.chunks.push(util.EMPTY_BUFFER);
}
return wasUpdated;
};
TransactionBuilder.prototype._isSignedWithKey = function(wk, scriptSig, txSigHash, nreq) {
var ret=0;
for(var i=1; i<=nreq; i++) {
var chunk = scriptSig.chunks[i];
if (chunk ===0 || chunk.length === 0) continue;
var sigRaw = new Buffer(chunk.slice(0,chunk.length-1));
if(wk.privKey.verifySignatureSync(txSigHash, sigRaw) === true) {
ret=true;
}
}
return ret;
};
TransactionBuilder.prototype._chunkIsEmpty = function(chunk) {
return chunk === 0 || // when serializing and back, EMPTY_BUFFER becomes 0
buffertools.compare(chunk, util.EMPTY_BUFFER) === 0;
};
TransactionBuilder.prototype._updateMultiSig = function(wk, scriptSig, txSigHash, nreq) {
var wasUpdated = this._initMultiSig(scriptSig, nreq);
if (this._isSignedWithKey(wk,scriptSig, txSigHash, nreq))
return null;
// Find an empty slot and sign
for(var i=1; i<=nreq; i++) {
var chunk = scriptSig.chunks[i];
if (!this._chunkIsEmpty(chunk))
continue;
// Add signature
var sigRaw = TransactionBuilder._signHashAndVerify(wk, txSigHash);
var sigType = new Buffer(1);
sigType[0] = this.signhash;
var sig = Buffer.concat([sigRaw, sigType]);
scriptSig.chunks[i] = sig;
scriptSig.updateBuffer();
wasUpdated=true;
break;
}
return wasUpdated ? scriptSig : null;
};
TransactionBuilder.prototype._signMultiSig = function(walletKeyMap, input, txSigHash) {
var pubkeys = input.scriptPubKey.capture(),
nreq = input.scriptPubKey.chunks[0] - 80, //see OP_2-OP_16
l = pubkeys.length,
originalScriptBuf = this.tx.ins[input.i].s;
var scriptSig = new Script (originalScriptBuf);
var signaturesAdded = false;
for(var j=0; j<l && scriptSig.countMissingSignatures(); j++) {
var wk = this._findWalletKey(walletKeyMap, {pubKeyBuf: pubkeys[j]});
if (!wk) continue;
var newScriptSig = this._updateMultiSig(wk, scriptSig, txSigHash, nreq);
if (newScriptSig) {
scriptSig = newScriptSig;
signaturesAdded = true;
}
}
return {
isFullySigned: scriptSig.countMissingSignatures() === 0,
signaturesAdded: signaturesAdded,
script: scriptSig.getBuffer(),
};
};
var fnToSign = {};
TransactionBuilder.prototype._scriptIsAppended = function(script, scriptToAddBuf) {
var len = script.chunks.length;
if (script.chunks[len-1] === undefined)
return false;
if (typeof script.chunks[len-1] === 'number')
return false;
if (buffertools.compare(script.chunks[len-1] , scriptToAddBuf) !==0 )
return false;
return true;
};
TransactionBuilder.prototype._addScript = function(scriptBuf, scriptToAddBuf) {
var s = new Script(scriptBuf);
if (!this._scriptIsAppended(s, scriptToAddBuf)) {
s.chunks.push(scriptToAddBuf);
s.updateBuffer();
}
return s.getBuffer();
};
TransactionBuilder.prototype._getInputForP2sh = function(script, index) {
var scriptType = script.classify();
// pubKeyHash is needed for TX_PUBKEYHASH and TX_PUBKEY to retrieve the keys.
var pubKeyHash;
switch(scriptType) {
case Script.TX_PUBKEYHASH:
pubKeyHash = script.captureOne();
break;
case Script.TX_PUBKEY:
var chunk = script.captureOne();
pubKeyHash = util.sha256ripe160(chunk);
}
return {
i: index,
pubKeyHash: pubKeyHash,
scriptPubKey: script,
scriptType: scriptType,
};
};
TransactionBuilder.prototype._signScriptHash = function(walletKeyMap, input, txSigHash) {
var originalScriptBuf = this.tx.ins[input.i].s;
if (!this.hashToScriptMap)
throw new Error('hashToScriptMap not set');
var scriptHex = this.hashToScriptMap[input.address];
if (!scriptHex) return;
var scriptBuf = new Buffer(scriptHex,'hex');
var script = new Script(scriptBuf);
var scriptType = script.classify();
if (!fnToSign[scriptType] || scriptType === Script.TX_SCRIPTHASH)
throw new Error('dont know how to sign p2sh script type:'+ script.getRawOutType());
var newInput = this._getInputForP2sh(script, input.i);
var newTxSigHash = this.tx.hashForSignature( script, newInput.i, this.signhash);
var ret = fnToSign[scriptType].call(this, walletKeyMap, newInput, newTxSigHash);
if (ret && ret.script && ret.signaturesAdded) {
ret.script = this._addScript(ret.script, scriptBuf);
}
return ret;
};
fnToSign[Script.TX_PUBKEYHASH] = TransactionBuilder.prototype._signPubKeyHash;
fnToSign[Script.TX_PUBKEY] = TransactionBuilder.prototype._signPubKey;
fnToSign[Script.TX_MULTISIG] = TransactionBuilder.prototype._signMultiSig;
fnToSign[Script.TX_SCRIPTHASH] = TransactionBuilder.prototype._signScriptHash;
TransactionBuilder.prototype.sign = function(keys) {
this._checkTx();
var tx = this.tx,
ins = tx.ins,
l = ins.length,
walletKeyMap = TransactionBuilder._mapKeys(keys);
for (var i = 0; i < l; i++) {
var input = this.inputMap[i];
var txSigHash = this.tx.hashForSignature(
input.scriptPubKey, i, this.signhash);
var ret = fnToSign[input.scriptType].call(this, walletKeyMap, input, txSigHash);
if (ret && ret.script) {
tx.ins[i].s = ret.script;
if (ret.isFullySigned) this.inputsSigned++;
}
}
return this;
};
// [ { address:scriptHex }]
TransactionBuilder.prototype.setHashToScriptMap = function(hashToScriptMap) {
this.hashToScriptMap= hashToScriptMap;
return this;
};
TransactionBuilder.prototype.isFullySigned = function() {
return this.inputsSigned === this.tx.ins.length;
};
TransactionBuilder.prototype.build = function() {
this._checkTx();
return this.tx;
};
module.exports = require('soop')(TransactionBuilder);

2
Wallet.js

@ -128,7 +128,7 @@ Wallet.prototype.expandKeys = function(keys) {
Wallet.prototype.addScript = function(script) { Wallet.prototype.addScript = function(script) {
var buf = script.getBuffer(); var buf = script.getBuffer();
var hash = util.sha256ripe160(buf); var hash = util.sha256ripe160(buf);
var addr = new Address(this.network.addressScript, hash); var addr = new Address(this.network.P2SHVersion, hash);
var addrStr = addr.as('base58'); var addrStr = addr.as('base58');
this.datastore.scripts[addrStr] = buf.toString('hex'); this.datastore.scripts[addrStr] = buf.toString('hex');
this.dirty = true; this.dirty = true;

16
WalletKey.js

@ -2,7 +2,7 @@ var imports = require('soop').imports();
var coinUtil = require('./util/util'); var coinUtil = require('./util/util');
var timeUtil = require('./util/time'); var timeUtil = require('./util/time');
var Key= require('./Key'); var Key = require('./Key');
var PrivateKey = require('./PrivateKey'); var PrivateKey = require('./PrivateKey');
var Address = require('./Address'); var Address = require('./Address');
@ -22,8 +22,8 @@ WalletKey.prototype.generate = function() {
WalletKey.prototype.storeObj = function() { WalletKey.prototype.storeObj = function() {
var pubKey = this.privKey.public.toString('hex'); var pubKey = this.privKey.public.toString('hex');
var pubKeyHash = coinUtil.sha256ripe160(this.privKey.public); var pubKeyHash = coinUtil.sha256ripe160(this.privKey.public);
var addr = new Address(this.network.addressPubkey, pubKeyHash); var addr = new Address(this.network.addressVersion, pubKeyHash);
var priv = new PrivateKey(this.network.keySecret, this.privKey.private, this.privKey.compressed); var priv = new PrivateKey(this.network.privKeyVersion, this.privKey.private, this.privKey.compressed);
var obj = { var obj = {
created: this.created, created: this.created,
priv: priv.toString(), priv: priv.toString(),
@ -37,12 +37,12 @@ WalletKey.prototype.storeObj = function() {
WalletKey.prototype.fromObj = function(obj) { WalletKey.prototype.fromObj = function(obj) {
this.created = obj.created; this.created = obj.created;
this.privKey = new Key(); this.privKey = new Key();
if (obj.priv.length==64) { if (obj.priv.length == 64) {
this.privKey.private = new Buffer(obj.priv,'hex'); this.privKey.private = new Buffer(obj.priv, 'hex');
this.privKey.compressed = true; this.privKey.compressed = typeof obj.compressed === 'undefined'? true: obj.compressed;
} } else {
else {
var priv = new PrivateKey(obj.priv); var priv = new PrivateKey(obj.priv);
priv.validate();
this.privKey.private = new Buffer(priv.payload()); this.privKey.private = new Buffer(priv.payload());
this.privKey.compressed = priv.compressed(); this.privKey.compressed = priv.compressed();
} }

5
bitcore.js

@ -12,6 +12,7 @@ var requireWhenAccessed = function(name, file) {
requireWhenAccessed('bignum', 'bignum'); requireWhenAccessed('bignum', 'bignum');
requireWhenAccessed('base58', 'base58-native'); requireWhenAccessed('base58', 'base58-native');
requireWhenAccessed('bufferput', 'bufferput');
requireWhenAccessed('buffertools', 'buffertools'); requireWhenAccessed('buffertools', 'buffertools');
requireWhenAccessed('config', './config'); requireWhenAccessed('config', './config');
requireWhenAccessed('const', './const'); requireWhenAccessed('const', './const');
@ -21,10 +22,14 @@ requireWhenAccessed('networks', './networks');
requireWhenAccessed('util', './util/util'); requireWhenAccessed('util', './util/util');
requireWhenAccessed('EncodedData', './util/EncodedData'); requireWhenAccessed('EncodedData', './util/EncodedData');
requireWhenAccessed('VersionedData', './util/VersionedData'); requireWhenAccessed('VersionedData', './util/VersionedData');
requireWhenAccessed('BinaryParser', './util/BinaryParser');
requireWhenAccessed('Address', './Address'); requireWhenAccessed('Address', './Address');
requireWhenAccessed('BIP32', './BIP32');
requireWhenAccessed('Point', './Point');
requireWhenAccessed('Opcode', './Opcode'); requireWhenAccessed('Opcode', './Opcode');
requireWhenAccessed('Script', './Script'); requireWhenAccessed('Script', './Script');
requireWhenAccessed('Transaction', './Transaction'); requireWhenAccessed('Transaction', './Transaction');
requireWhenAccessed('TransactionBuilder', './TransactionBuilder');
requireWhenAccessed('Connection', './Connection'); requireWhenAccessed('Connection', './Connection');
requireWhenAccessed('Peer', './Peer'); requireWhenAccessed('Peer', './Peer');
requireWhenAccessed('Block', './Block'); requireWhenAccessed('Block', './Block');

12
browser/build.js

@ -24,6 +24,7 @@ var pack = function (params) {
var modules = [ var modules = [
'Address', 'Address',
'BIP32',
'Block', 'Block',
'Bloom', 'Bloom',
'Buffers.monkey', 'Buffers.monkey',
@ -37,12 +38,14 @@ var modules = [
'PrivateKey', 'PrivateKey',
'RpcClient', 'RpcClient',
'Key', 'Key',
'Point',
'SIN', 'SIN',
'SINKey', 'SINKey',
'Script', 'Script',
'ScriptInterpreter', 'ScriptInterpreter',
'Sign', 'Sign',
'Transaction', 'Transaction',
'TransactionBuilder',
'Wallet', 'Wallet',
'WalletKey', 'WalletKey',
'config', 'config',
@ -52,6 +55,7 @@ var modules = [
'util/util', 'util/util',
'util/EncodedData', 'util/EncodedData',
'util/VersionedData', 'util/VersionedData',
'util/BinaryParser',
]; ];
var createBitcore = function(opts) { var createBitcore = function(opts) {
@ -60,7 +64,10 @@ var createBitcore = function(opts) {
opts.dir = opts.dir || ''; opts.dir = opts.dir || '';
// concat browser vendor files // concat browser vendor files
exec('cd ' + opts.dir + 'browser; sh concat.sh', puts); var cwd = process.cwd();
process.chdir(opts.dir + 'browser');
exec('sh concat.sh', puts);
process.chdir(cwd);
if (!opts.includeall && (!opts.submodules || opts.submodules.length === 0)) { if (!opts.includeall && (!opts.submodules || opts.submodules.length === 0)) {
if (!opts.stdout) console.log('Must use either -s or -a option. For more info use the --help option'); if (!opts.stdout) console.log('Must use either -s or -a option. For more info use the --help option');
@ -88,6 +95,9 @@ var createBitcore = function(opts) {
b.require(opts.dir + 'browserify-buffertools/buffertools.js', { b.require(opts.dir + 'browserify-buffertools/buffertools.js', {
expose: 'buffertools' expose: 'buffertools'
}); });
b.require(opts.dir + 'bufferput', {
expose: 'bufferput'
});
b.require(opts.dir + 'base58-native', { b.require(opts.dir + 'base58-native', {
expose: 'base58-native' expose: 'base58-native'
}); });

3
browser/vendor/ec.js

@ -314,3 +314,6 @@ ECCurveFp.prototype.equals = curveFpEquals;
ECCurveFp.prototype.getInfinity = curveFpGetInfinity; ECCurveFp.prototype.getInfinity = curveFpGetInfinity;
ECCurveFp.prototype.fromBigInteger = curveFpFromBigInteger; ECCurveFp.prototype.fromBigInteger = curveFpFromBigInteger;
ECCurveFp.prototype.decodePointHex = curveFpDecodePointHex; ECCurveFp.prototype.decodePointHex = curveFpDecodePointHex;
module.exports.ECPointFp = ECPointFp;
module.exports.ECFieldElementFp = ECFieldElementFp;

2
browser/vendor/jsbn2.js

@ -654,3 +654,5 @@ BigInteger.prototype.square = bnSquare;
// int hashCode() // int hashCode()
// long longValue() // long longValue()
// static BigInteger valueOf(long val) // static BigInteger valueOf(long val)
module.exports.BigInteger = BigInteger;

2
browser/vendor/sec.js

@ -171,3 +171,5 @@ function getSECCurveByName(name) {
if(name == "secp256r1") return secp256r1(); if(name == "secp256r1") return secp256r1();
return null; return null;
} }
module.exports.getSECCurveByName = getSECCurveByName;

83
examples/BIP32.js

@ -0,0 +1,83 @@
var run = function() {
bitcore = typeof (bitcore) === 'undefined' ? require('../bitcore') : bitcore;
var BIP32 = bitcore.BIP32;
var Address = bitcore.Address;
var networks = bitcore.networks;
var coinUtil = bitcore.util;
var crypto = require('crypto');
console.log('BIP32: Hierarchical Deterministic Wallets');
console.log('https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki\n');
console.log('1) Make new bip32 from randomly generated new seed');
var randomBytes = crypto.randomBytes(256);
var bip32 = BIP32.seed(randomBytes);
console.log('master extended private key: ' + bip32.extendedPrivateKeyString());
console.log('master extended public key: ' + bip32.extendedPublicKeyString());
console.log('m/0/3/5 extended private key: ' + bip32.derive('m/0/3/5').extendedPrivateKeyString());
console.log('m/0/3/5 extended public key: ' + bip32.derive('m/0/3/5').extendedPublicKeyString());
console.log();
console.log('2) Make new bip32 from known seed');
var knownBytes = coinUtil.sha256('do not use this password as a brain wallet');
var bip32 = BIP32.seed(knownBytes);
console.log('master extended private key: ' + bip32.extendedPrivateKeyString());
console.log('master extended public key: ' + bip32.extendedPublicKeyString());
console.log('m/0/3/5 extended private key: ' + bip32.derive('m/0/3/5').extendedPrivateKeyString());
console.log('m/0/3/5 extended public key: ' + bip32.derive('m/0/3/5').extendedPublicKeyString());
console.log();
console.log('3) Make new bip32 from known master private key');
var knownMasterPrivateKey = 'xprv9s21ZrQH143K2LvayFZWVVTomiDKheKWvnupDB8fmjKwxkKG47uvzmFa3vCXoy9fxPJhRYsU19apVfexvMeLpJQuF2XtX1zRF3eao9GqqaQ';
var bip32 = new BIP32(knownMasterPrivateKey);
console.log('master extended private key: ' + bip32.extendedPrivateKeyString());
console.log('master extended public key: ' + bip32.extendedPublicKeyString());
console.log('m/0/3/5 extended private key: ' + bip32.derive('m/0/3/5').extendedPrivateKeyString());
console.log('m/0/3/5 extended public key: ' + bip32.derive('m/0/3/5').extendedPublicKeyString());
console.log();
console.log('4) Make new bip32 from known master public key');
var knownMasterPublicKey = 'xpub661MyMwAqRbcGpiFufipqsKKBG1NHNwfJKishAEFNqJ6ryLcKeKyFNEZces7gMWd4XGg4uUhXy8DS64o1oPGUECVHeLq957Txjwagxt475H';
var bip32 = new BIP32(knownMasterPublicKey);
console.log('master extended private key: cannot derive');
console.log('master extended public key: ' + bip32.extendedPublicKeyString());
console.log('m/0/3/5 extended private key: cannot derive');
console.log('m/0/3/5 extended public key: ' + bip32.derive('m/0/3/5').extendedPublicKeyString());
console.log();
console.log('5) Make new bip32 from known derived public key');
var knownPublicKey = 'xpub6CZei1p2zk68UwkcBDqzRonLHJWAiPZZ58sMgHJAn9fmpmnPayVEAvAs3XvTSUMZ1J8dNaxnv4wnt7YpRKr6BsqeWbW8msqeuuhiSzsQEC3';
var bip32 = new BIP32(knownPublicKey);
console.log('master extended private key: cannot derive');
console.log('master extended public key: ' + bip32.extendedPublicKeyString());
console.log('m/0/3/5 extended private key: cannot derive');
console.log('m/0/3/5 extended public key: ' + bip32.derive('m/0/3/5').extendedPublicKeyString());
console.log();
console.log('6) Make a bunch of new addresses from known public key');
var knownPublicKey = 'xpub6CZei1p2zk68UwkcBDqzRonLHJWAiPZZ58sMgHJAn9fmpmnPayVEAvAs3XvTSUMZ1J8dNaxnv4wnt7YpRKr6BsqeWbW8msqeuuhiSzsQEC3';
var bip32 = new BIP32(knownPublicKey);
console.log('m/0 address: ' + new Address(networks['livenet'].addressVersion, bip32.derive('m/0').eckey.public).toString());
//console.log('m/1 extended public key: ' + bip32.derive('m/1').extendedPublicKeyString());
console.log('m/1 address: ' + new Address(networks['livenet'].addressVersion, bip32.derive('m/1').eckey.public).toString());
//console.log('m/2 extended public key: ' + bip32.derive('m/2').extendedPublicKeyString());
console.log('m/2 address: ' + new Address(networks['livenet'].addressVersion, bip32.derive('m/2').eckey.public).toString());
//console.log('m/3 extended public key: ' + bip32.derive('m/3').extendedPublicKeyString());
console.log('m/3 address: ' + new Address(networks['livenet'].addressVersion, bip32.derive('m/3').eckey.public).toString());
console.log('...');
//console.log('m/100 extended public key: ' + bip32.derive('m/100').extendedPublicKeyString());
console.log('m/100 address: ' + new Address(networks['livenet'].addressVersion, bip32.derive('m/100').eckey.public).toString());
console.log();
};
// This is just for browser & mocha compatibility
if (typeof module !== 'undefined') {
module.exports.run = run;
if (require.main === module) {
run();
}
} else {
run();
}

104
examples/CreateAndSignTx-Multisig.js

@ -0,0 +1,104 @@
var run = function() {
bitcore = typeof (bitcore) === 'undefined' ? require('../bitcore') : bitcore;
var networks = require('../networks');
var WalletKey = bitcore.WalletKey;
var Script = bitcore.Script;
var Builder = bitcore.TransactionBuilder;
var opts = {network: networks.testnet};
console.log('## Network: ' + opts.network.name);
var input = {};
input.addr = "n2hoFVbPrYQf7RJwiRy1tkbuPPqyhAEfbp";
input.priv = "cS62Ej4SobZnpFQYN1PEEBr2KWf5sgRYYnELtumcG6WVCfxno39V";
// Complete with the corresponding UTXO you want to use
var utxos = [
{
address: input.addr,
txid: "39c71ebda371f75f4b854a720eaf9898b237facf3c2b101b58cd4383a44a6adc",
vout: 1,
ts: 1396288753,
scriptPubKey: "76a914e867aad8bd361f57c50adc37a0c018692b5b0c9a88ac",
amount: 0.4296,
confirmations: 2
}
];
var privs = [
"cP6JBHuQf7yqeqtdKRd22ibF3VehDv7G6BdzxSNABgrv3jFJUGoN",
"cQfRwF7XLSM5xGUpF8PZvob2MZyULvZPA2j5cat2RKDJrja7FtCZ",
"cUkYub4jtFVYymHh38yMMW36nJB4pXG5Pzd5QjResq79kAndkJcg",
"cMyBgowsyrJRufoKWob73rMQB1PBqDdwFt8z4TJ6APN2HkmX1Ttm",
"cN9yZCom6hAZpHtCp8ovE1zFa7RqDf3Cr4W6AwH2tp59Jjh9JcXu",
];
var pubkeys = []
privs.forEach(function(p) {
var wk = new WalletKey(opts);
wk.fromObj({priv: p});
pubkeys.push(bitcore.buffertools.toHex(wk.privKey.public));
});
var outs = [{nreq:3, pubkeys:pubkeys, amount:0.05}];
var tx = new Builder(opts)
.setUnspent(utxos)
.setOutputs(outs)
.sign([input.priv])
.build();
var txHex = tx.serialize().toString('hex');
console.log('1) SEND TO MULSISIG TX: ', txHex);
console.log('[this example originally generated TXID: e4bc22d8c519d3cf848d710619f8480be56176a4a6548dfbe865ab3886b578b5 on testnet]\n\n\thttp://test.bitcore.io/tx/e4bc22d8c519d3cf848d710619f8480be56176a4a6548dfbe865ab3886b578b5\n\n');
//save scriptPubKey
var scriptPubKey = tx.outs[0].s.toString('hex');
/*
*
* REDDEEM TX
*/
var utxos2 = [
{
address: input.addr,
txid: "e4bc22d8c519d3cf848d710619f8480be56176a4a6548dfbe865ab3886b578b5",
vout: 0,
ts: 1396288753,
scriptPubKey: scriptPubKey,
amount: 0.05,
confirmations: 2
}
];
outs = [{address:input.addr, amount:0.04}];
var b = new Builder(opts)
.setUnspent(utxos2)
.setOutputs(outs)
.sign(privs);
tx= b.build();
var txHex = tx.serialize().toString('hex');
console.log('2) REDEEM SCRIPT: ', txHex);
console.log('=> Is signed status:', b.isFullySigned(), tx.countInputMissingSignatures(0) );
console.log('[this example originally generated TXID: 1eb388977b2de99562eb0fbcc661a100eaffed99c53bfcfebe5a087002039b83 on testnet]\n\n\thttp://test.bitcore.io/tx/1eb388977b2de99562eb0fbcc661a100eaffed99c53bfcfebe5a087002039b83');
};
// This is just for browser & mocha compatibility
if (typeof module !== 'undefined') {
module.exports.run = run;
if (require.main === module) {
run();
}
} else {
run();
}
////

70
examples/CreateAndSignTx-PayToPubkeyHash.js

@ -0,0 +1,70 @@
var run = function() {
bitcore = typeof (bitcore) === 'undefined' ? require('../bitcore') : bitcore;
var priv = 'cTgGUrcro89yUtKeG6gHBAS14r3qp25KwTTxG9d4kEzcFxecuZDm';
var amt = '0.005';
var toAddress = 'myuAQcCc1REUgXGsCTiYhZvPPc3XxZ36G1';
var changeAddressString = 'moDz3jEo9q7CxjBDjmb13sL4SKkgo2AACE';
var utxos = [{
address: "mqSjTad2TKbPcKQ3Jq4kgCkKatyN44UMgZ",
txid: "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
vout: 1,
ts: 1394719301,
scriptPubKey: "76a9146ce4e1163eb18939b1440c42844d5f0261c0338288ac",
amount: 0.01,
confirmations: 2
}];
console.log('TX Data: BTC:' + amt + ' => '+ toAddress + ', change To:' + changeAddressString ) ;
console.log('Unspends Outputs:', utxos);
var outs = [{address:toAddress, amount:amt}];
var keys = [priv];
var opts = {remainderAddress: changeAddressString};
var Builder = bitcore.TransactionBuilder;
var tx = new Builder(opts)
.setUnspent(utxos)
.setOutputs(outs)
.sign(keys)
.build();
/* create and signing can be done in multiple steps using:
*
* var builder = new bitcore.TransactionBuilder(opts)
* .setUnspent(utxos)
* .setOutputs(outs);
*
* builder.sign(key1);
* builder.sign(key2);
* ...
* if (builder.isFullySigned()){
* var tx = builder.build();
* }
*
* The selected Unspent Outputs for the transaction can be retrieved with:
*
* var selectedUnspent = build.getSelectedUnspent();
*/
var txHex = tx.serialize().toString('hex');
console.log('TX HEX IS: ', txHex);
};
// This is just for browser & mocha compatibility
if (typeof module !== 'undefined') {
module.exports.run = run;
if (require.main === module) {
run();
}
} else {
run();
}
////

142
examples/CreateAndSignTx-PayToScriptHash.js

@ -0,0 +1,142 @@
var run = function() {
bitcore = typeof (bitcore) === 'undefined' ? require('../bitcore') : bitcore;
var networks = require('../networks');
var WalletKey = bitcore.WalletKey;
var Script = bitcore.Script;
var Builder = bitcore.TransactionBuilder;
var opts = {network: networks.testnet};
console.log('## Network: ' + opts.network.name);
var input = {};
input.addr = "n2hoFVbPrYQf7RJwiRy1tkbuPPqyhAEfbp";
input.priv = "cS62Ej4SobZnpFQYN1PEEBr2KWf5sgRYYnELtumcG6WVCfxno39V";
// Complete with the corresponding UTXO you want to use
var utxos = [
{
address: "n2hoFVbPrYQf7RJwiRy1tkbuPPqyhAEfbp",
txid: "e4bc22d8c519d3cf848d710619f8480be56176a4a6548dfbe865ab3886b578b5",
vout: 1,
ts: 1396290442,
scriptPubKey: "76a914e867aad8bd361f57c50adc37a0c018692b5b0c9a88ac",
amount: 0.3795,
confirmations: 7
}
];
var privs = [
"cMpKwGr5oxEacN95WFKNEq6tTcvi11regFwS3muHvGYVxMPJX8JA",
"cVf32m9MR4vxcPwKNJuPepUe8XrHD2z63eCk76d6njRGyCkXpkSM",
"cQ2sVRFX4jQYMLhWyzz6jTQ2xju51P36968ecXnPhRLKLH677eKR",
"cSw7x9ERcmeWCU3yVBT6Nz7b9JiZ5yjUB7JMhBUv9UM7rSaDpwX9",
"cRQBM8qM4ZXJGP1De4D5RtJm7Q6FNWQSMx7YExxzgn2ehjM3haxW",
];
var pubkeys = []
privs.forEach(function(p) {
var wk = new WalletKey(opts);
wk.fromObj({priv: p});
pubkeys.push(bitcore.buffertools.toHex(wk.privKey.public));
});
// multisig p2sh
var opts = {nreq:3, pubkeys:pubkeys, amount:0.05};
// p2scriphash p2sh
//var opts = [{address: an_address, amount:0.05}];
var info = Builder.infoForP2sh(opts, 'testnet');
var p2shScript = info.scriptBufHex;
var p2shAddress = info.address;
var outs = [{address:p2shAddress, amount:0.05}];
var tx = new Builder(opts)
.setUnspent(utxos)
.setOutputs(outs)
.sign([input.priv])
.build();
var txHex = tx.serialize().toString('hex');
console.log('## p2sh address: ' + p2shAddress); //TODO
console.log('\n1) SEND TO P2SH TX: ', txHex);
console.log('[this example originally generated TXID: c2e50d1c8c581d8c4408378b751633f7eb86687fc5f0502be7b467173f275ae7 on testnet]\n\n\thttp://test.bitcore.io/tx/c2e50d1c8c581d8c4408378b751633f7eb86687fc5f0502be7b467173f275ae7\n\n');
//save scriptPubKey
var scriptPubKey = tx.outs[0].s.toString('hex');
/*
*
* REDDEEM TX
*/
var utxos2 = [
{
address: p2shAddress,
txid: "c2e50d1c8c581d8c4408378b751633f7eb86687fc5f0502be7b467173f275ae7",
vout: 0,
ts: 1396375187,
scriptPubKey: scriptPubKey,
amount: 0.05,
confirmations: 1
}
];
outs = [{address:input.addr, amount:0.04}];
var hashMap = {};
hashMap[p2shAddress]=p2shScript;
var b = new Builder(opts)
.setUnspent(utxos2)
.setHashToScriptMap(hashMap)
.setOutputs(outs)
.sign(privs);
tx= b.build();
console.log('Builder:');
console.log('\tSignatures:' + tx.countInputMissingSignatures(0) );
console.log('\t#isFullySigned:' + b.isFullySigned() );
console.log('TX:');
console.log('\t #isComplete:' + tx.isComplete() );
var txHex = tx.serialize().toString('hex');
console.log('2) REDEEM SCRIPT: ', txHex);
console.log('[this example originally generated TXID: 8284aa3b6f9c71c35ecb1d61d05ae78c8ca1f36940eaa615b50584dfc3d95cb7 on testnet]\n\n\thttp://test.bitcore.io/tx/8284aa3b6f9c71c35ecb1d61d05ae78c8ca1f36940eaa615b50584dfc3d95cb7\n\n');
/*
// To send TX with RPC:
var RpcClient = bitcore.RpcClient;
var config = {
protocol: 'http',
user: 'user',
pass: 'pass',
host: '127.0.0.1',
port: '18332',
};
var rpc = new RpcClient(config);
rpc.sendRawTransaction(txHex, function(err, ret) {
console.log('err', err); //TODO
console.log('ret', ret); //TODO
process.exit(-1);
});
};
*/
};
// This is just for browser & mocha compatibility
if (typeof module !== 'undefined') {
module.exports.run = run;
if (require.main === module) {
run();
}
} else {
run();
}

210
examples/CreateAndSignTx.js

@ -1,210 +0,0 @@
var run = function() {
bitcore = typeof (bitcore) === 'undefined' ? require('../bitcore') : bitcore;
var priv = 'cTgGUrcro89yUtKeG6gHBAS14r3qp25KwTTxG9d4kEzcFxecuZDm';
var amt = '0.005';
var toAddress = 'myuAQcCc1REUgXGsCTiYhZvPPc3XxZ36G1';
var changeAddressString = 'moDz3jEo9q7CxjBDjmb13sL4SKkgo2AACE';
var feeString = '0.0001';
var safeUnspent = [
{
address: "mqSjTad2TKbPcKQ3Jq4kgCkKatyN44UMgZ",
hash: "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
vout: 1,
ts: 1394719301,
scriptPubKey: "76a9146ce4e1163eb18939b1440c42844d5f0261c0338288ac",
amount: 0.01,
confirmations: 2
}
]
;
console.log('TX Data: BTC:' + amt + ' => '+ toAddress + ', change To:' + changeAddressString ) ;
console.log('Unspends:', safeUnspent);
var wk = new bitcore.WalletKey({
network: bitcore.networks.testnet
});
wk.fromObj({ priv: priv, });
var wkObj= wk.storeObj();
var keyPairs = [{
key: wkObj.priv,
address: wkObj.addr,
}];
console.log('KEY DB IS:', keyPairs);
var Address = bitcore.Address;
var Transaction = bitcore.Transaction;
var Script = bitcore.Script;
var nets = bitcore.networks;
var z = bitcore.bignum(0);
var amt = bitcore.util.parseValue(amt);
if(z.cmp(amt) === 0 )
throw "spend amount must be greater than zero";
if(!changeAddressString)
throw "change address was not provided";
var fee = bitcore.util.parseValue(feeString || '0');
var total = bitcore.bignum(0).add(amt).add(fee);
var address = new Address(toAddress);
var sendTx = new Transaction();
var i;
var unspent = [];
var unspentAmt = bitcore.bignum(0);
for(i=0;i<safeUnspent.length;i++) {
unspent.push(safeUnspent[i]);
var amountSatoshiString = new bitcore.bignum(safeUnspent[i].amount * Math.pow(10,8)).toString();
unspentAmt = unspentAmt.add(new bitcore.bignum(amountSatoshiString));
// If > -1, we have enough to send the requested amount
if(unspentAmt.cmp(total) > -1) {
break;
}
}
if(unspentAmt.cmp(total) < 0) {
throw "you do not have enough bitcoins to send this amount";
}
var txobj = {};
txobj.version = 1;
txobj.lock_time = 0;
txobj.ins = [];
txobj.outs = [];
for(i=0;i<unspent.length;i++) {
var txin = {};
txin.s = bitcore.util.EMPTY_BUFFER;
txin.q = 0xffffffff;
var hash = new bitcore.Buffer(unspent[i].hash, 'hex');
var hashReversed = bitcore.buffertools.reverse(hash);
var vout = parseInt(unspent[i].vout);
var voutBuf = new bitcore.Buffer(4);
voutBuf.writeUInt32LE(vout, 0);
txin.o = bitcore.Buffer.concat([hashReversed, voutBuf]);
txobj.ins.push(txin);
}
// This is not used really, but we keep it for the future.
var version = address.version();
var script;
if (version == nets.livenet.addressPubkey || version == nets.testnet.addressPubkey)
script = Script.createPubKeyHashOut(address.payload());
else if (version == nets.livenet.addressScript || version == nets.testnet.addressScript)
script = Script.createP2SH(address.payload());
else
throw new Error('invalid output address');
var value = bitcore.util.bigIntToValue(amt);
var txout = {
v: value,
s: script.getBuffer(),
};
txobj.outs.push(txout);
var remainder = unspentAmt.sub(total);
if(z.cmp(amt) !== 0 ) {
var changeAddress = new Address(changeAddressString);
var changeValue = bitcore.util.bigIntToValue(remainder);
// This is not used really, but we keep it for the future.
var cversion = changeAddress.version();
var cscript;
if (cversion == nets.livenet.addressPubkey || cversion == nets.testnet.addressPubkey)
cscript = Script.createPubKeyHashOut(changeAddress.payload());
else if (cversion == nets.livenet.addressScript || cversion == nets.testnet.addressScript)
cscript = Script.createP2SH(changeAddress.payload());
else
throw new Error('invalid change output address');
var change = {
v: changeValue,
s: cscript.getBuffer(),
};
txobj.outs.push(change);
}
var tx = new Transaction(txobj);
var anypay = false;
var l = unspent.length;
var allFound = l;
// Here will be the beginning of your signing for loop
for(i=0;i < l;i++) {
var scriptBuf = new bitcore.Buffer(unspent[i].scriptPubKey, 'hex');
var s = new Script(scriptBuf);
if (s.classify() !== Script.TX_PUBKEYHASH) {
throw new Error('input script type '+ s.getRawOutType() +' not supported yet');
}
var txSigHash = tx.hashForSignature(s, i,
anypay ? Transaction.SIGHASH_ANYONECANPAY : Transaction.SIGHASH_ALL);
// txSigHash = bitcore.buffertools.reverse(txSigHash);
for(var j=0;j<keyPairs.length;j++) {
var kp = keyPairs[j];
if(kp.address === unspent[i].address) {
console.log('SIGNING With...', kp.key); //TODO
console.log('HASH TO SIGN: ',bitcore.buffertools.toHex(txSigHash)); //TODO
var wKey = new bitcore.WalletKey({network: bitcore.networks.testnet});
wKey.fromObj({
priv: kp.key,
});
console.log('PRIV KEY', bitcore.buffertools.toHex(wKey.privKey.private )); //TODO
console.log('PUB KEY', bitcore.buffertools.toHex(wKey.privKey.public )); //TODO
var sigRaw = wKey.privKey.signSync(txSigHash);
console.log('SIGNATURE: ',bitcore.buffertools.toHex(sigRaw)); //TODO
console.log('VERIFY: ',wKey.privKey.verifySignatureSync(txSigHash, sigRaw)); //TODO
var sigType = new bitcore.Buffer(1);
sigType[0] = anypay ? Transaction.SIGHASH_ANYONECANPAY : Transaction.SIGHASH_ALL;
var sig = bitcore.Buffer.concat([sigRaw, sigType]);
var scriptSig = new Script();
scriptSig.chunks.push(sig);
scriptSig.chunks.push(wKey.privKey.public);
scriptSig.updateBuffer();
tx.ins[i].s = scriptSig.getBuffer();
allFound--;
break;
}
}
}
if (allFound !== 0) {
throw new Error('could not find priv key for some inputs');
}
var txHex = tx.serialize().toString('hex');
console.log('TX HEX IS: ', txHex);
};
module.exports.run = run;
if (require.main === module) {
run();
}
////

44
examples/CreateKey.js

@ -0,0 +1,44 @@
'use strict';
var run = function() {
// replace '../bitcore' with 'bitcore' if you use this code elsewhere.
var bitcore = require('../bitcore');
var networks = require('../networks');
var WalletKey = bitcore.WalletKey;
var opts = {network: networks.testnet};
function print(wk) {
console.log('\n## Network: ' + wk.network.name);
console.log ('\t * Hex Representation');
console.log ('\tPrivate: ' + bitcore.buffertools.toHex(wk.privKey.private));
console.log ('\tPublic : ' + bitcore.buffertools.toHex(wk.privKey.public));
console.log ('\tPublic Compressed : ' + (wk.privKey.compressed?'Yes':'No'));
var wkObj = wk.storeObj();
console.log ('\n\t * WalletKey Store Object');
console.log ('\tPrivate: ' + wkObj.priv);
console.log ('\tPublic : ' + wkObj.pub);
console.log ('\tAddr : ' + wkObj.addr);
};
//Generate a new one (compressed public key, compressed WIF flag)
var wk = new WalletKey(opts);
wk.generate();
print(wk);
//Generate from private Key WIF. Compressed status taken from WIF.
var wk2 = new WalletKey(opts);
wk2.fromObj({priv:'cMpKwGr5oxEacN95WFKNEq6tTcvi11regFwS3muHvGYVxMPJX8JA'});
print(wk2);
};
module.exports.run = run;
if (require.main === module) {
run();
}

74
examples/CreateScript.js

@ -0,0 +1,74 @@
'use strict';
var run = function() {
// replace '../bitcore' with 'bitcore' if you use this code elsewhere.
var bitcore = require('../bitcore');
var networks = require('../networks');
var Script = bitcore.Script;
var WalletKey = bitcore.WalletKey;
var buffertools = bitcore.buffertools;
var Address = bitcore.Address;
var util = bitcore.util;
var opts = {network: networks.testnet};
var p = console.log;
var wk = new WalletKey(opts);
wk.generate();
var wkObj = wk.storeObj();
var s = Script.createPubKeyOut(wk.privKey.public);
p('\nScript PubKey:');
p('\tHex : ' + buffertools.toHex(s.buffer));
p('\tHuman : ' + s.toHumanReadable());
p('\tKey -------------------------------');
console.log ('\tPrivate: ' + wkObj.priv);
console.log ('\tPublic : ' + wkObj.pub);
console.log ('\tAddr : ' + wkObj.addr);
s = Script.createPubKeyHashOut(wk.privKey.public);
p('\nScript PubKeyHash:');
p('\tHex : ' + buffertools.toHex(s.buffer));
p('\tHuman : ' + s.toHumanReadable());
p('\tKey -------------------------------');
console.log ('\tPrivate: ' + wkObj.priv);
console.log ('\tPublic : ' + wkObj.pub);
console.log ('\tAddr : ' + wkObj.addr);
var wks=[];
var pubs = [];
for (var i =0; i<5; i++) {
wks[i] = new WalletKey(opts);
wks[i].generate();
pubs.push(wks[i].privKey.public);
}
s = Script.createMultisig(3,pubs);
p('\nScript MultiSig (3 out of 5 required signatures):');
p('\tHex : ' + buffertools.toHex(s.buffer));
p('\tHuman : ' + s.toHumanReadable());
for (i =0; i<5; i++) {
wkObj = wks[i].storeObj();
p('\tKey ['+i+'] -------------------------------');
console.log ('\tPrivate: ' + wkObj.priv);
console.log ('\tPublic : ' + wkObj.pub);
console.log ('\tAddr : ' + wkObj.addr);
}
var hash = util.sha256ripe160(s.buffer);
s = Script.createP2SH(hash);
p('\nScript P2SH:');
p('\tHex : ' + buffertools.toHex(s.buffer));
p('\tHuman : ' + s.toHumanReadable());
p('\tScript Hash: ' + buffertools.toHex(hash));
var a = new Address(networks.livenet.P2SHVersion,hash);
p('\tp2sh Addr: ' + a.toString());
};
module.exports.run = run;
if (require.main === module) {
run();
}

17
examples/PayToScriptHashAddress.js

@ -0,0 +1,17 @@
var bitcore = require('../bitcore');
var Address = bitcore.Address;
var bitcoreUtil = bitcore.util;
var Script = bitcore.Script;
var network = bitcore.networks.livenet;
var script = ''; // write down your script here
var s = Script.fromHumanReadable(script);
var hash = bitcoreUtil.sha256ripe160(s.getBuffer());
var version = network.addressScript;
var addr = new Address(version, hash);
var addrStr = addr.as('base58');
// This outputs the "address" of thescript
console.log(addrStr);

8
examples/Script.js

@ -16,21 +16,21 @@ var run = function() {
switch (type) { switch (type) {
case Script.TX_PUBKEY: case Script.TX_PUBKEY:
var chunk = s.captureOne(); var chunk = s.captureOne();
addr = new Address(network.addressPubkey, coinUtil.sha256ripe160(chunk)); addr = new Address(network.addressVersion, coinUtil.sha256ripe160(chunk));
addrStrs.push(addr.toString()); addrStrs.push(addr.toString());
break; break;
case Script.TX_PUBKEYHASH: case Script.TX_PUBKEYHASH:
addr = new Address(network.addressPubkey, s.captureOne()); addr = new Address(network.addressVersion, s.captureOne());
addrStrs.push(addr.toString()); addrStrs.push(addr.toString());
break; break;
case Script.TX_SCRIPTHASH: case Script.TX_SCRIPTHASH:
addr = new Address(network.addressScript, s.captureOne()); addr = new Address(network.P2SHVersion, s.captureOne());
addrStrs.push(addr.toString()); addrStrs.push(addr.toString());
break; break;
case Script.TX_MULTISIG: case Script.TX_MULTISIG:
var chunks = s.capture(); var chunks = s.capture();
chunks.forEach(function(chunk) { chunks.forEach(function(chunk) {
var a = new Address(network.addressPubkey, coinUtil.sha256ripe160(chunk)); var a = new Address(network.addressVersion, coinUtil.sha256ripe160(chunk));
addrStrs.push(a.toString()); addrStrs.push(a.toString());
}); });
break; break;

72
examples/SimpleP2Pmonitor.js

@ -0,0 +1,72 @@
/**
* This is a simple script that will display network messages.
* It users the Peer / Connection classes * directly instead of
* relying on PeerManager.
*/
// replace by require('bitcore') if you use somewhere else
var bitcore = require('../');
//bitcore.config.logger = 'debug';
var Peer = bitcore.Peer,
Connection = bitcore.Connection;
var peer = new Peer('127.0.0.1', 8333);
var socket = peer.createConnection();
var con = new Connection(socket, peer);
con.on('error', function (msg) {
var peer = msg.peer, err = msg.err;
console.error('Error connecting to peer', peer.host + ':' + peer.port, '(' + err.message + ')');
});
con.on('disconnect', function (msg) {
console.log('disconnect: ', msg);
});
con.on('connect', function (msg) {
console.log('Connected to %s', msg.peer.host + ':' + msg.peer.port);
});
/* Listen P2P messages */
// Make a log function available to all listeners
// The log function is just like console.log except it prefixes
// messages with [host:port]
function listen (event_name, fn) {
con.on(event_name, function (event) {
fn(event, function () {
var args = Array.prototype.slice.call(arguments);
var str = args.shift();
str = '[%s:%s] ' + str;
args = [ str, event.peer.host, event.peer.port ].concat(args);
console.log.apply(console, args);
});
});
}
listen('getaddr', function (event, log) {
log('Received message getaddr');
log(event);
});
listen('verack', function (event, log) {
log('Received message verack');
});
listen('version', function (event, log) {
log('Received message version (%s)', event.message.version);
});
listen('addr', function (event, log) {
log('Received message addr (%s addresses)', event.message.addrs.length);
});
listen('inv', function (event, log) {
log('Received message inv (%s invs)', event.message.count);
console.log(event.message.invs);
});

1
examples/browser/README.md

@ -0,0 +1 @@
Run `node browser/build.js -a` in the repository's root directory before using those examples.

24
examples/example.html → examples/browser/example.html

@ -9,14 +9,14 @@
<pre> <pre>
<div id='content'></div> <div id='content'></div>
</pre> </pre>
<script src="../browser/bundle.js"></script> <script src="../../browser/bundle.js"></script>
<script type="text/javascript"> <script type="text/javascript">
var Address = require('bitcore').Address; var Address = require('bitcore').Address;
print = function(s){ var print = function (s,s2,s3) {
var div = document.getElementById('content'); var div = document.getElementById('content');
div.innerHTML += s + '<br />'; div.innerHTML += s + (s2||'') + (s3||'') + '<br />';
}; };
print('<hr> <h1>Address</h1>' ); print('<hr> <h1>Address</h1>' );
@ -39,21 +39,16 @@
} }
}); });
print('<hr> <h1>KeyModule</h1>' ); print('<hr> <h1>Key</h1>' );
/* /*
Using bitcore root module Using bitcore root module
*/ */
var bitcore = require('bitcore'); var bitcore = require('bitcore');
var k = bitcore.KeyModule.Key.generateSync(); var k = bitcore.Key.generateSync();
print ('Generate Key Pair:'); print ('Generate Key Pair:');
print ('Private:' + bitcore.buffertools.toHex(k.private)); print ('Private:' + bitcore.buffertools.toHex(k.private));
print ('Public:' + bitcore.buffertools.toHex(k.public)); print ('Public:' + bitcore.buffertools.toHex(k.public));
print('<hr> <h1>PeerManager</h1>' );
var p = new bitcore.PeerManager();
print('<hr> <h1>Util</h1>' ); print('<hr> <h1>Util</h1>' );
var coinUtil = bitcore.util; var coinUtil = bitcore.util;
@ -81,6 +76,7 @@
var WalletKey = bitcore.WalletKey; var WalletKey = bitcore.WalletKey;
var networks = bitcore.networks; var networks = bitcore.networks;
var priv = 'L4cEVwoNDeYdCQfFJAGkGKPnE2TmqLEuBn4znQChD2ojjQRJVKpU'; var priv = 'L4cEVwoNDeYdCQfFJAGkGKPnE2TmqLEuBn4znQChD2ojjQRJVKpU';
var s = new WalletKey({ var s = new WalletKey({
network: networks.livenet network: networks.livenet
@ -91,11 +87,9 @@
print("Public: " + o.pub); print("Public: " + o.pub);
print("Addr: " + o.addr); print("Addr: " + o.addr);
var module = { exports: {} }; print('<hr><h1>TransactionBuilder</h1>');
</script> console.log = print;
<script src="./CreateAndSignTx.js"></script>
<script>
run();
</script> </script>
<script src="../CreateAndSignTx-PayToPubkeyHash.js"></script>
</body> </body>
</html> </html>

5
examples/simple.html → examples/browser/simple.html

@ -1,12 +1,13 @@
<!DOCTYPE html> <!DOCTYPE html>
<html> <html>
<body> <body>
<script src="../browser/bundle.js"></script> <script src="../../browser/bundle.js"></script>
<pre id="console"></pre>
<script> <script>
var bitcore = require('bitcore'); var bitcore = require('bitcore');
var Address = bitcore.Address; var Address = bitcore.Address;
var a = new Address('1KerhGhLn3SYBEQwby7VyVMWf16fXQUj5d'); var a = new Address('1KerhGhLn3SYBEQwby7VyVMWf16fXQUj5d');
console.log('1KerhGhLn3SYBEQwby7VyVMWf16fXQUj5d is valid? '+a.isValid()); document.getElementById('console').innerHTML = '1KerhGhLn3SYBEQwby7VyVMWf16fXQUj5d is valid? '+a.isValid();
</script> </script>
</body> </body>
</html> </html>

205
examples/createTx.js

@ -1,205 +0,0 @@
var bitcore = require('../bitcore');
var priv = 'cTgGUrcro89yUtKeG6gHBAS14r3qp25KwTTxG9d4kEzcFxecuZDm';
var amt = '0.005';
var toAddress = 'myuAQcCc1REUgXGsCTiYhZvPPc3XxZ36G1';
var changeAddressString = 'moDz3jEo9q7CxjBDjmb13sL4SKkgo2AACE';
var feeString = '0.0001';
var safeUnspent = [
{
address: "mqSjTad2TKbPcKQ3Jq4kgCkKatyN44UMgZ",
hash: "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
vout: 1,
ts: 1394719301,
scriptPubKey: "76a9146ce4e1163eb18939b1440c42844d5f0261c0338288ac",
amount: 0.01,
confirmations: 2
}
]
;
console.log('TX Data: BTC:' + amt + ' => '+ toAddress + ', change To:' + changeAddressString ) ;
console.log('Unspends:', safeUnspent);
var wk = new bitcore.WalletKey({
network: bitcore.networks.testnet
});
wk.fromObj({ priv: priv, });
var wkObj= wk.storeObj();
var keyPairs = [{
key: wkObj.priv,
address: wkObj.addr,
}];
console.log('KEY DB IS:', keyPairs);
var Address = bitcore.Address;
var Transaction = bitcore.Transaction;
var Script = bitcore.Script;
var nets = bitcore.networks;
var z = bitcore.bignum(0);
var amt = bitcore.util.parseValue(amt);
if(z.cmp(amt) === 0 )
throw "spend amount must be greater than zero";
if(!changeAddressString)
throw "change address was not provided";
var fee = bitcore.util.parseValue(feeString || '0');
var total = bitcore.bignum(0).add(amt).add(fee);
var address = new Address(toAddress);
var sendTx = new Transaction();
var i;
var unspent = [];
var unspentAmt = bitcore.bignum(0);
for(i=0;i<safeUnspent.length;i++) {
unspent.push(safeUnspent[i]);
var amountSatoshiString = new bitcore.bignum(safeUnspent[i].amount * Math.pow(10,8)).toString();
unspentAmt = unspentAmt.add(new bitcore.bignum(amountSatoshiString));
// If > -1, we have enough to send the requested amount
if(unspentAmt.cmp(total) > -1) {
break;
}
}
if(unspentAmt.cmp(total) < 0) {
throw "you do not have enough bitcoins to send this amount";
}
var txobj = {};
txobj.version = 1;
txobj.lock_time = 0;
txobj.ins = [];
txobj.outs = [];
for(i=0;i<unspent.length;i++) {
var txin = {};
txin.s = bitcore.util.EMPTY_BUFFER;
txin.q = 0xffffffff;
var hash = new bitcore.Buffer(unspent[i].hash, 'hex');
var hashReversed = bitcore.buffertools.reverse(hash);
var vout = parseInt(unspent[i].vout);
var voutBuf = new bitcore.Buffer(4);
voutBuf.writeUInt32LE(vout, 0);
txin.o = bitcore.Buffer.concat([hashReversed, voutBuf]);
txobj.ins.push(txin);
}
// This is not used really, but we keep it for the future.
var version = address.version();
var script;
if (version == nets.livenet.addressPubkey || version == nets.testnet.addressPubkey)
script = Script.createPubKeyHashOut(address.payload());
else if (version == nets.livenet.addressScript || version == nets.testnet.addressScript)
script = Script.createP2SH(address.payload());
else
throw new Error('invalid output address');
var value = bitcore.util.bigIntToValue(amt);
var txout = {
v: value,
s: script.getBuffer(),
};
txobj.outs.push(txout);
var remainder = unspentAmt.sub(total);
if(z.cmp(amt) !== 0 ) {
var changeAddress = new Address(changeAddressString);
var changeValue = bitcore.util.bigIntToValue(remainder);
// This is not used really, but we keep it for the future.
var cversion = changeAddress.version();
var cscript;
if (cversion == nets.livenet.addressPubkey || cversion == nets.testnet.addressPubkey)
cscript = Script.createPubKeyHashOut(changeAddress.payload());
else if (cversion == nets.livenet.addressScript || cversion == nets.testnet.addressScript)
cscript = Script.createP2SH(changeAddress.payload());
else
throw new Error('invalid change output address');
var change = {
v: changeValue,
s: cscript.getBuffer(),
};
txobj.outs.push(change);
}
var tx = new Transaction(txobj);
var anypay = false;
var l = unspent.length;
var allFound = l;
// Here will be the beginning of your signing for loop
for(i=0;i < l;i++) {
var scriptBuf = new bitcore.Buffer(unspent[i].scriptPubKey, 'hex');
var s = new Script(scriptBuf);
if (s.classify() !== Script.TX_PUBKEYHASH) {
throw new Error('input script type '+ s.getRawOutType() +' not supported yet');
}
var txSigHash = tx.hashForSignature(s, i,
anypay ? Transaction.SIGHASH_ANYONECANPAY : Transaction.SIGHASH_ALL);
// txSigHash = bitcore.buffertools.reverse(txSigHash);
for(var j=0;j<keyPairs.length;j++) {
var kp = keyPairs[j];
if(kp.address === unspent[i].address) {
console.log('[wallet.js.409:address:] SIGNING With...', kp.key); //TODO
console.log('[kk.js.168:txSigHash:] HASH TO SIGN: ',bitcore.buffertools.toHex(txSigHash)); //TODO
var wKey = new bitcore.WalletKey({network: bitcore.networks.testnet});
wKey.fromObj({
priv: kp.key,
});
console.log('[kk2.js.169] PRIV KEY', bitcore.buffertools.toHex(wKey.privKey.private )); //TODO
console.log('[kk2.js.169] PUB KEY', bitcore.buffertools.toHex(wKey.privKey.public )); //TODO
var sigRaw = wKey.privKey.signSync(txSigHash);
console.log('[kk.js.168:txSigHash:] SIGNATURE: ',bitcore.buffertools.toHex(sigRaw)); //TODO
//VERIFY
console.log('[kk.js.168:txSigHash:] VERIFY: ',wKey.privKey.verifySignatureSync(txSigHash, sigRaw)); //TODO
var sigType = new bitcore.Buffer(1);
sigType[0] = anypay ? Transaction.SIGHASH_ANYONECANPAY : Transaction.SIGHASH_ALL;
var sig = bitcore.Buffer.concat([sigRaw, sigType]);
var scriptSig = new Script();
scriptSig.chunks.push(sig);
scriptSig.chunks.push(wKey.privKey.public);
scriptSig.updateBuffer();
tx.ins[i].s = scriptSig.getBuffer();
allFound--;
break;
}
}
}
if (allFound !== 0) {
throw new Error('could not find priv key for some inputs');
}
var txHex = tx.serialize().toString('hex');
console.log('[kk.js.188:ret:] OUT IS: ', txHex);
////

59
networks.js

@ -4,65 +4,40 @@ var hex = function(hex) {return new Buffer(hex, 'hex');};
exports.livenet = { exports.livenet = {
name: 'livenet', name: 'livenet',
addressVersion: 0x00,
magic: hex('f9beb4d9'), magic: hex('f9beb4d9'),
addressVersion: 0x00,
privKeyVersion: 128,
P2SHVersion: 5,
bip32publicVersion: 0x0488b21e,
bip32privateVersion: 0x0488ade4,
genesisBlock: { genesisBlock: {
hash: hex('6FE28C0AB6F1B372C1A6A246AE63F74F931E8365E15A089C68D6190000000000'),
merkle_root: hex('3BA3EDFD7A7B12B27AC72C3E67768F617FC81BC3888A51323A9FB8AA4B1E5E4A'),
height: 0, height: 0,
nonce: 2083236893, nonce: 2083236893,
version: 1, version: 1,
hash: hex('6FE28C0AB6F1B372C1A6A246AE63F74F931E8365E15A089C68D6190000000000'),
prev_hash: buffertools.fill(new Buffer(32), 0), prev_hash: buffertools.fill(new Buffer(32), 0),
timestamp: 1231006505, timestamp: 1231006505,
merkle_root: hex('3BA3EDFD7A7B12B27AC72C3E67768F617FC81BC3888A51323A9FB8AA4B1E5E4A'), bits: 486604799,
bits: 486604799 }
},
genesisBlockTx: {
outs: [{
v: hex('00F2052A01000000'), // 50 BTC
s: new Put()
.word8(65) // 65 bytes of data follow
.put(hex('04678AFDB0FE5548271967F1A67130B7105CD6A828E03909A67962E0EA1F61DEB649F6BC3F4CEF38C4F35504E51EC112DE5C384DF7BA0B8D578A4C702B6BF11D5F'))
.word8(0xAC) // OP_CHECKSIG
.buffer()
}],
lock_time: 0,
version: 1,
hash: hex('3BA3EDFD7A7B12B27AC72C3E67768F617FC81BC3888A51323A9FB8AA4B1E5E4A'),
ins: [{
q: 0xFFFFFFFF,
o: hex("0000000000000000000000000000000000000000000000000000000000000000FFFFFFFF"),
s: new Put()
.put(hex('04FFFF001D010445'))
.put(new Buffer('The Times 03/Jan/2009 Chancellor on brink of ' +
'second bailout for banks', 'ascii'))
.buffer()
}]
},
proofOfWorkLimit: hex("00000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"),
checkpoints: [], // need to put checkpoint blocks here
addressPubkey: 0,
addressScript: 5,
keySecret: 128,
}; };
exports.testnet = { exports.testnet = {
name: 'testnet', name: 'testnet',
addressVersion: 0x6f,
magic: hex('0b110907'), magic: hex('0b110907'),
addressVersion: 0x6f,
privKeyVersion: 239,
P2SHVersion: 196,
bip32publicVersion: 0x043587cf,
bip32privateVersion: 0x04358394,
genesisBlock: { genesisBlock: {
hash: hex('43497FD7F826957108F4A30FD9CEC3AEBA79972084E90EAD01EA330900000000'),
merkle_root: hex('3BA3EDFD7A7B12B27AC72C3E67768F617FC81BC3888A51323A9FB8AA4B1E5E4A'),
height: 0, height: 0,
nonce: 414098458, nonce: 414098458,
version: 1, version: 1,
hash: hex('43497FD7F826957108F4A30FD9CEC3AEBA79972084E90EAD01EA330900000000'),
prev_hash: buffertools.fill(new Buffer(32), 0), prev_hash: buffertools.fill(new Buffer(32), 0),
timestamp: 1296688602, timestamp: 1296688602,
merkle_root: hex('3BA3EDFD7A7B12B27AC72C3E67768F617FC81BC3888A51323A9FB8AA4B1E5E4A'),
bits: 486604799, bits: 486604799,
}, }
genesisBlockTx: module.exports.livenet.genesisBlockTx,
proofOfWorkLimit: module.exports.livenet.proofOfWorkLimit,
checkpoints: [], // need to put checkput blocks here
addressPubkey: 111,
addressScript: 196,
keySecret: 239,
}; };

26
package.json

@ -1,7 +1,7 @@
{ {
"name": "bitcore", "name": "bitcore",
"description": "Bitcoin Library", "description": "Bitcoin Library",
"version": "0.1.8", "version": "0.1.11",
"author": { "author": {
"name": "Stephen Pair", "name": "Stephen Pair",
"email": "stephen@bitpay.com" "email": "stephen@bitpay.com"
@ -43,9 +43,11 @@
}, },
"scripts": { "scripts": {
"test": "mocha test -R spec", "test": "mocha test -R spec",
"coverage": "./node_modules/.bin/istanbul cover ./node_modules/.bin/_mocha -- --reporter spec test",
"postinstall": "node browser/build.js -a" "postinstall": "node browser/build.js -a"
}, },
"dependencies": { "dependencies": {
"jssha": "=1.5.0",
"soop": "=0.1.5", "soop": "=0.1.5",
"base58-native": "=0.1.3", "base58-native": "=0.1.3",
"bindings": "=1.1.1", "bindings": "=1.1.1",
@ -59,10 +61,11 @@
"browser-pack": "~2.0.1", "browser-pack": "~2.0.1",
"commander": "~2.1.0", "commander": "~2.1.0",
"browserify-bignum": "git://github.com/maraoz/browserify-bignum.git", "browserify-bignum": "git://github.com/maraoz/browserify-bignum.git",
"browserify-buffertools": "~1.0.2", "browserify-buffertools": "git://github.com/maraoz/browserify-buffertools.git",
"brfs": "~1.0.0", "brfs": "~1.0.0",
"uglifyify": "~1.2.3",
"socks5-client": "~0.3.6" "socks5-client": "~0.3.6"
"chai": "~1.9.0",
"uglifyify": "~1.2.3"
}, },
"devDependencies": { "devDependencies": {
"grunt-contrib-watch": "~0.5.3", "grunt-contrib-watch": "~0.5.3",
@ -71,11 +74,24 @@
"grunt-browserify": "~2.0.0", "grunt-browserify": "~2.0.0",
"grunt-markdown": "~0.5.0", "grunt-markdown": "~0.5.0",
"mocha": ">=1.15.1", "mocha": ">=1.15.1",
"chai": "~1.9.0",
"brfs": "~1.0.0", "brfs": "~1.0.0",
"async": "~0.2.10", "async": "~0.2.10",
"commander": "~2.1.0", "commander": "~2.1.0",
"browser-pack": "~2.0.1" "browser-pack": "~2.0.1",
"istanbul": "~0.2.6"
},
"testling": {
"files": "test/test*.js",
"browsers": [
"ie/6..latest",
"chrome/22..latest",
"firefox/16..latest",
"safari/latest",
"opera/11.0..latest",
"iphone/6",
"ipad/6",
"android-browser/latest"
]
}, },
"license": "MIT", "license": "MIT",
"engines": { "engines": {

81
src/eckey.cc

@ -10,6 +10,8 @@
#include <openssl/ecdsa.h> #include <openssl/ecdsa.h>
#include <openssl/evp.h> #include <openssl/evp.h>
#include <iostream>
#include "common.h" #include "common.h"
#include "eckey.h" #include "eckey.h"
@ -121,6 +123,7 @@ void Key::Init(Handle<Object> target)
// Static methods // Static methods
NODE_SET_METHOD(s_ct->GetFunction(), "generateSync", GenerateSync); NODE_SET_METHOD(s_ct->GetFunction(), "generateSync", GenerateSync);
NODE_SET_METHOD(s_ct->GetFunction(), "fromDER", FromDER); NODE_SET_METHOD(s_ct->GetFunction(), "fromDER", FromDER);
NODE_SET_METHOD(s_ct->GetFunction(), "addUncompressed", AddUncompressed);
target->Set(String::NewSymbol("Key"), target->Set(String::NewSymbol("Key"),
s_ct->GetFunction()); s_ct->GetFunction());
@ -306,8 +309,9 @@ Key::SetPublic(Local<String> property, Local<Value> value, const AccessorInfo& i
Key* key = node::ObjectWrap::Unwrap<Key>(info.Holder()); Key* key = node::ObjectWrap::Unwrap<Key>(info.Holder());
Handle<Object> buffer = value->ToObject(); Handle<Object> buffer = value->ToObject();
const unsigned char *data = (const unsigned char*) Buffer::Data(buffer); const unsigned char *data = (const unsigned char*) Buffer::Data(buffer);
ec_key_st* ret = o2i_ECPublicKey(&(key->ec), &data, Buffer::Length(buffer));
if (!o2i_ECPublicKey(&(key->ec), &data, Buffer::Length(buffer))) { if (!ret) {
// TODO: Error // TODO: Error
return; return;
} }
@ -402,6 +406,81 @@ Key::FromDER(const Arguments& args)
return scope.Close(result); return scope.Close(result);
} }
Handle<Value>
Key::AddUncompressed(const Arguments& args)
{
HandleScope scope;
if (args.Length() != 2) {
return VException("Two arguments expected: point0, point1");
}
if (!Buffer::HasInstance(args[0])) {
return VException("Argument 'point0' must be of type Buffer");
}
if (Buffer::Length(args[0]) != 65) {
return VException("Argument 'point0' must have length 65");
}
if (!Buffer::HasInstance(args[1])) {
return VException("Argument 'point1' must be of type Buffer");
}
if (Buffer::Length(args[1]) != 65) {
return VException("Argument 'point1' must have length 65");
}
Handle<Object> point0_buf = args[0]->ToObject();
unsigned char *point0 = (unsigned char*) Buffer::Data(point0_buf);
Handle<Object> point1_buf = args[1]->ToObject();
unsigned char *point1 = (unsigned char*) Buffer::Data(point1_buf);
EC_KEY *eckey = EC_KEY_new_by_curve_name(NID_secp256k1);
const EC_GROUP *group = EC_KEY_get0_group(eckey);
BN_CTX *ctx;
EC_POINT *p0, *p1, *r;
BIGNUM *p0x, *p0y, *p1x, *p1y, *rx, *ry;
Buffer *rbuf;
p0 = EC_POINT_new(group);
p1 = EC_POINT_new(group);
r = EC_POINT_new(group);
p0x = BN_bin2bn(&point0[1], 32, BN_new());
p0y = BN_bin2bn(&point0[33], 32, BN_new());
p1x = BN_bin2bn(&point1[1], 32, BN_new());
p1y = BN_bin2bn(&point1[33], 32, BN_new());
ctx = BN_CTX_new();
EC_POINT_set_affine_coordinates_GFp(group, p0, p0x, p0y, ctx);
EC_POINT_set_affine_coordinates_GFp(group, p1, p1x, p1y, ctx);
EC_POINT_add(group, r, p0, p1, ctx);
rx = BN_new();
ry = BN_new();
EC_POINT_get_affine_coordinates_GFp(group, r, rx, ry, ctx);
rbuf = Buffer::New(65);
EC_POINT_point2oct(group, r, POINT_CONVERSION_UNCOMPRESSED, (unsigned char *)Buffer::Data(rbuf), 65, ctx);
//free: eckey, p0, p1, r, p0x, p0y, p1x, p1y, ctx, rx, ry, /*rbuf,*/ rcx, rcy
BN_clear_free(ry);
BN_clear_free(rx);
//do not free rbuf - this is returned
BN_CTX_free(ctx);
BN_clear_free(p0x);
BN_clear_free(p0y);
BN_clear_free(p1x);
BN_clear_free(p1y);
EC_POINT_free(r);
EC_POINT_free(p1);
EC_POINT_free(p0);
EC_KEY_free(eckey);
return scope.Close(rbuf->handle_);
}
Handle<Value> Handle<Value>
Key::VerifySignature(const Arguments& args) Key::VerifySignature(const Arguments& args)
{ {

3
src/eckey.h

@ -86,6 +86,9 @@ public:
static Handle<Value> static Handle<Value>
FromDER(const Arguments& args); FromDER(const Arguments& args);
static Handle<Value>
AddUncompressed(const Arguments& args);
static Handle<Value> static Handle<Value>
VerifySignature(const Arguments& args); VerifySignature(const Arguments& args);

BIN
test/data/blk86756-testnet.dat

Binary file not shown.

504
test/data/sighash.json

@ -0,0 +1,504 @@
[
["raw_transaction, script, input_index, hashType, signature_hash (result)"],
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["df0a32ae01c4672fd1abd0b2623aae0a1a8256028df57e532f9a472d1a9ceb194267b6ee190200000009536a6a51516a525251b545f9e803469a2302000000000465526500810631040000000000441f5b050000000006530051006aaceb183c76", "536a635252ac6a", 0, 1601138113, "9a0435996cc58bdba09643927fe48c1fc908d491a050abbef8daec87f323c58f"],
["d102d10c028b9c721abb259fe70bc68962f6cae384dabd77477c59cbeb1fb26266e091ba3e0100000002516affffffffe8d7305a74f43e30c772109849f4cd6fb867c7216e6d92e27605e69a0818899700000000026a65ecf82d58027db4620500000000026552c28ed3010000000001ab00000000", "0051ab515365", 1, -131815460, "1d1757a782cb5860302128bcbe9398243124a2f82d671a113f74f8e582c7a182"],
["cef930ed01c36fcb1d62ceef931bef57098f27a77a4299904cc0cbb44504802d535fb11557010000000153ffffffff02c8657403000000000863ac655253520063d593380400000000046aab536a00000000", "656a0051ab6365ab53", 0, -351313308, "e69dba3efb5c02af2ab1087d0a990678784671f4744d01ca097d71aec14dd8e9"],
["b1c0b71804dff30812b92eefb533ac77c4b9fdb9ab2f77120a76128d7da43ad70c20bbfb990200000002536392693e6001bc59411aebf15a3dc62a6566ec71a302141b0c730a3ecc8de5d76538b30f55010000000665535252ac514b740c6271fb9fe69fdf82bf98b459a7faa8a3b62f3af34943ad55df4881e0d93d3ce0ac0200000000c4158866eb9fb73da252102d1e64a3ce611b52e873533be43e6883137d0aaa0f63966f060000000001abffffffff04a605b604000000000851006a656a630052f49a0300000000000252515a94e1050000000009abac65ab0052abab00fd8dd002000000000651535163526a2566852d", "ac5363", 0, -1718831517, "b0dc030661783dd9939e4bf1a6dfcba809da2017e1b315a6312e5942d714cf05"],
["6a270ee404ebc8d137cfd4bb6b92aa3702213a3139a579c1fc6f56fbc7edd9574ef17b13f30100000009ab00ab656565ababacffffffffaa65b1ab6c6d87260d9e27a472edceb7dd212483e72d90f08857abf1dbfd46d10100000000fffffffff93c4c9c84c4dbbe8a912b99a2830cfe3401aebc919041de063d660e585fc9f002000000096aabacab52ac6a53acfa6dcef3f28355a8d98eee53839455445eeee83eecd2c854e784efa53cee699dbfecaebd0100000003ab6a51ffffffff04f7d71b050000000009ac6a536aac6a6365513c37650500000000065265abab6a53fa742002000000000039ed82030000000009516aac635165ab51ab2fdabd17", "ab535252526563", 1, -1326210506, "1dec0d5eb921bf5b2df39c8576e19c38d0c17254a4a0b78ac4b5422bcc426258"],
["3657e4260304ccdc19936e47bdf058d36167ee3d4eb145c52b224eff04c9eb5d1b4e434dfc0000000001ab58aefe57707c66328d3cceef2e6f56ab6b7465e587410c5f73555a513ace2b232793a74400000000036a006522e69d3a785b61ad41a635d59b3a06b2780a92173f85f8ed428491d0aaa436619baa9c4501000000046351abab2609629902eb7793050000000000a1b967040000000003525353a34d6192", "516a", 0, -1761874713, "0a2ff41f6d155d8d0e37cd9438f3b270df9f9214cda8e95c76d5a239ca189df2"],
["a0eb6dc402994e493c787b45d1f946d267b09c596c5edde043e620ce3d59e95b2b5b93d43002000000096a5252526aac63ab6555694287a279e29ee491c177a801cd685b8744a2eab83824255a3bcd08fc0e3ea13fb8820000000009abab6365ab52ab0063ffffffff029e424a040000000008acab53ab516a636a23830f0400000000016adf49c1f9", "ac0065ac6500005252", 1, 669294500, "e05e3d383631a7ed1b78210c13c2eb26564e5577db7ddfcea2583c7c014091d4"],
["6e67c0d3027701ef71082204c85ed63c700ef1400c65efb62ce3580d187fb348376a23e9710200000001655b91369d3155ba916a0bc6fe4f5d94cad461d899bb8aaac3699a755838bfc229d6828920010000000765536353526a52ffffffff04c0c792000000000005650052535372f79e000000000001527fc0ee010000000005ac5300ab65d1b3e902000000000251aba942b278", "6a5151", 0, 1741407676, "e657e2c8ec4ebc769ddd3198a83267b47d4f2a419fc737e813812acefad92ff7"],
["8f53639901f1d643e01fc631f632b7a16e831d846a0184cdcda289b8fa7767f0c292eb221a00000000046a53abacffffffff037a2daa01000000000553ac6a6a51eac349020000000005ac526552638421b3040000000007006a005100ac63048a1492", "ac65", 0, 1033685559, "da86c260d42a692358f46893d6f91563985d86eeb9ea9e21cd38c2d8ffcfcc4d"],
["491f99cb01bdfba1aa235e5538dac081fae9ce55f9622de483afe7e65105c2b0db75d360d200000000045251636340b60f0f041421330300000000096351ac000051636553ce2822040000000005516a00ac5180c8e40300000000025100caa8570400000000020000cfdc8da6", "6a5100516aab655365", 0, -953727341, "397c68803b7ce953666830b0221a5e2bcf897aa2ded8e36a6b76c497dcb1a2e1"],
["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", "005165", 1, 1035865506, "fe1dc9e8554deecf8f50c417c670b839cc9d650722ebaaf36572418756075d58"],
["e1cfd73b0125add9e9d699f5a45dca458355af175a7bd4486ebef28f1928d87864384d02df02000000036a0051ffffffff0357df030100000000036a5365777e2d04000000000763ab6a00005265f434a601000000000351655100000000", "ab53ab", 0, -1936500914, "950f4b4f72ccdf8a6a0f381265d6c8842fdb7e8b3df3e9742905f643b2432b69"],
["cf781855040a755f5ba85eef93837236b34a5d3daeb2dbbdcf58bb811828d806ed05754ab8010000000351ac53ffffffffda1e264727cf55c67f06ebcc56dfe7fa12ac2a994fecd0180ce09ee15c480f7d00000000096351516a51acac00ab53dd49ff9f334befd6d6f87f1a832cddfd826a90b78fd8cf19a52cb8287788af94e939d6020000000700525251ac526310d54a7e8900ed633f0f6f0841145aae7ee0cbbb1e2a0cae724ee4558dbabfdc58ba6855010000000552536a53abfd1b101102c51f910500000000096300656a525252656a300bee010000000009ac52005263635151abe19235c9", "53005365", 2, 1422854188, "d5981bd4467817c1330da72ddb8760d6c2556cd809264b2d85e6d274609fc3a3"],
["fea256ce01272d125e577c0a09570a71366898280dda279b021000db1325f27edda41a53460100000002ab53c752c21c013c2b3a01000000000000000000", "65", 0, 1145543262, "076b9f844f6ae429de228a2c337c704df1652c292b6c6494882190638dad9efd"]
]

27
test/data/unspent.json

@ -0,0 +1,27 @@
[
{
"address": "mqSjTad2TKbPcKQ3Jq4kgCkKatyN44UMgZ",
"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
"scriptPubKey": "76a9146ce4e1163eb18939b1440c42844d5f0261c0338288ac",
"vout": 1,
"amount": 0.01,
"confirmations":7
},
{
"address": "mqSjTad2TKbPcKQ3Jq4kgCkKatyN44UMgZ",
"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc2",
"scriptPubKey": "76a9146ce4e1163eb18939b1440c42844d5f0261c0338288ac",
"vout": 0,
"confirmations": 1,
"amount": 0.1
},
{
"address": "mqSjTad2TKbPcKQ3Jq4kgCkKatyN44UMgZ",
"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc3",
"scriptPubKey": "76a9146ce4e1163eb18939b1440c42844d5f0261c0338288ac",
"vout": 3,
"confirmations": 0,
"amount": 1
}
]

87
test/data/unspentSign.json

@ -0,0 +1,87 @@
{
"unspent": [
{
"address": "n4g2TFaQo8UgedwpkYdcQFF6xE2Ei9Czvy",
"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
"scriptPubKey": "76a914fe021bac469a5c49915b2a8ffa7390a9ce5580f988ac",
"vout": 1,
"amount": 1.0101,
"confirmations":7
},
{
"address": "mhNCT9TwZAGF1tLPpZdqfkTmtBkY282YDW",
"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc2",
"scriptPubKey": "76a9141448534cb1a1ec44665b0eb2326e570814afe3f188ac",
"vout": 0,
"confirmations": 1,
"amount": 10
},
{
"address": "n44hn28zAooZpn8mpWKzATbabqaHDK9oNJ",
"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc3",
"scriptPubKey": "76a914f753f58b1fb1daaa5534b10af85ca9210f3445d288ac",
"vout": 3,
"confirmations": 0,
"amount": 5
}
],
"keyStrings": [
"cSq7yo4fvsbMyWVN945VUGUWMaSazZPWqBVJZyoGsHmNq6W4HVBV",
"cPa87VgwZfowGZYaEenoQeJgRfKW6PhZ1R65EHTkN1K19cSvc92G",
"cPQ9DSbBRLva9av5nqeF5AGrh3dsdW8p2E5jS4P8bDWZAoQTeeKB"
],
"unspentPubKey": [
{
"address": "mqqnn93xN81eZTLqj7Wk2cacBBTR8agFZ5",
"scriptPubKey": "2102aa869ff719f23d9959dca340cbf3b72770294c64005e53e0429948aa6e9701d1ac",
"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
"vout": 1,
"amount": 1,
"confirmations":7
}
],
"keyStringsPubKey": [
"cTSvhK2b3XxJezmDjVN5x1KTCtui4NaLhvb78nvprpVAiqHgQvMm"
],
"unspentMulti": [
{
"address": [
"n4JAZc4cJimQbky5wxZUEDeAFZtGaZrjWK",
"msge5muNmBSRDn5nsaRcHCU6dg2zimA8wQ",
"mvz9MjocpyXdgXqRcZYazsdE8iThdvjdhk",
"miQGZ2gybQe7UvUQDBYsgcctUteij5pTpm",
"mu9kmhGrzREKsWaXUEUrsRLLMG4UMPy1LF"
],
"scriptPubKey": "532103bf025eb410407aec5a67c975ce222e363bb88c69bb1acce45d20d85602df2ec52103d76dd6d99127f4b733e772f0c0a09c573ac7e4d69b8bf50272292da2e093de2c2103dd9acd8dd1816c825d6b0739339c171ae2cb10efb53699680537865b07086e9b2102371cabbaf466c3a536034b4bda64ad515807bffd87488f44f93c2373d4d189c9210264cd444358f8d57f8637a7309f9736806f4883aebc4fe7da4bad1e4b37f2d12c55ae",
"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
"vout": 1,
"amount": 1,
"confirmations":7
}
],
"keyStringsMulti": [
"cP6JBHuQf7yqeqtdKRd22ibF3VehDv7G6BdzxSNABgrv3jFJUGoN",
"cQfRwF7XLSM5xGUpF8PZvob2MZyULvZPA2j5cat2RKDJrja7FtCZ",
"cUkYub4jtFVYymHh38yMMW36nJB4pXG5Pzd5QjResq79kAndkJcg",
"cMyBgowsyrJRufoKWob73rMQB1PBqDdwFt8z4TJ6APN2HkmX1Ttm",
"cN9yZCom6hAZpHtCp8ovE1zFa7RqDf3Cr4W6AwH2tp59Jjh9JcXu"
],
"unspentP2sh": [
{
"address": "2NDJbzwzsmRgD2o5HHXPhuq5g6tkKTjYkd6",
"scriptPubKey": "a91432d272ce8a9b482b363408a0b1dd28123d59c63387",
"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
"vout": 1,
"amount": 1,
"confirmations":7
}
],
"keyStringsP2sh": [
"cMpKwGr5oxEacN95WFKNEq6tTcvi11regFwS3muHvGYVxMPJX8JA",
"cVf32m9MR4vxcPwKNJuPepUe8XrHD2z63eCk76d6njRGyCkXpkSM",
"cQ2sVRFX4jQYMLhWyzz6jTQ2xju51P36968ecXnPhRLKLH677eKR",
"cSw7x9ERcmeWCU3yVBT6Nz7b9JiZ5yjUB7JMhBUv9UM7rSaDpwX9",
"cRQBM8qM4ZXJGP1De4D5RtJm7Q6FNWQSMx7YExxzgn2ehjM3haxW"
]
}

4
test/index.html

@ -17,6 +17,7 @@
<script src="test.Address.js"></script> <script src="test.Address.js"></script>
<script src="test.basic.js"></script> <script src="test.basic.js"></script>
<script src="test.BIP32.js"></script>
<script src="test.Block.js"></script> <script src="test.Block.js"></script>
<script src="test.Bloom.js"></script> <script src="test.Bloom.js"></script>
<script src="test.Connection.js"></script> <script src="test.Connection.js"></script>
@ -27,13 +28,16 @@
<script src="test.Opcode.js"></script> <script src="test.Opcode.js"></script>
<script src="test.Peer.js"></script> <script src="test.Peer.js"></script>
<script src="test.PeerManager.js"></script> <script src="test.PeerManager.js"></script>
<script src="test.Point.js"></script>
<script src="test.PrivateKey.js"></script> <script src="test.PrivateKey.js"></script>
<script src="test.RpcClient.js"></script> <script src="test.RpcClient.js"></script>
<script src="test.Script.js"></script> <script src="test.Script.js"></script>
<script src="test.ScriptInterpreter.js"></script> <script src="test.ScriptInterpreter.js"></script>
<script src="test.sighash.js"></script>
<script src="test.SIN.js"></script> <script src="test.SIN.js"></script>
<script src="test.SINKey.js"></script> <script src="test.SINKey.js"></script>
<script src="test.Transaction.js"></script> <script src="test.Transaction.js"></script>
<script src="test.TransactionBuilder.js"></script>
<script src="test.util.js"></script> <script src="test.util.js"></script>
<script src="test.VersionedData.js"></script> <script src="test.VersionedData.js"></script>
<script src="test.Wallet.js"></script> <script src="test.Wallet.js"></script>

36
test/test.Address.js

@ -35,6 +35,9 @@ describe('Address', function() {
['1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62iz', false], // too long Bitcoin address ['1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62iz', false], // too long Bitcoin address
['1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62izz', false],// too long Bitcoin address ['1AGNa15ZQXAZUgFiqJ2i7Z2DPU2J6hW62izz', false],// too long Bitcoin address
['2cFupjhnEsSn59qHXstmK2ffpLv2', false], // valid base58 invalid data ['2cFupjhnEsSn59qHXstmK2ffpLv2', false], // valid base58 invalid data
['dB7cwYdcPSgiyAwKWL3JwCVwSk6epU2txw', false], // valid base58, valid length, invalid network
['2MnmgiRH4eGLyLc9eAqStzk7dFgBjFtUCtu', false], // valid base58, valid length, invalid network
['32QBdjycLwbDTuGafUwaU5p5GxzSLPYoF6', true], // valid base58, valid length, valid network
]; ];
data.forEach(function(datum) { data.forEach(function(datum) {
var address = datum[0]; var address = datum[0];
@ -47,4 +50,37 @@ describe('Address', function() {
s.should.equal(a.toString()); // check that validation doesn't change data s.should.equal(a.toString()); // check that validation doesn't change data
}); });
}); });
it('should be able to detect network from an address', function() {
// livenet
var a = new Address('1KfyjCgBSMsLqiCbakfSdeoBUqMqLUiu3T');
a.network().name.should.equal('livenet');
a = new Address('1dice8EMZmqKvrGE4Qc9bUFf9PX3xaYDp');
a.network().name.should.equal('livenet');
//p2sh
a = new Address('3QRhucKtEn5P9i7YPxzXCqBtPJTPbRFycn');
a.network().name.should.equal('livenet');
//testnet
a = new Address('mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE');
a.network().name.should.equal('testnet');
a = new Address('n2ekxibY5keRiMaoKFGfiNfXQCS4zTUpct');
a.network().name.should.equal('testnet');
//p2sh
a = new Address('2NBSBcf2KfjPEEqVusmrWdmUeNHRiUTS3Li');
a.network().name.should.equal('testnet');
});
it('#isScript should work', function() {
// invalid
new Address('1T').isScript().should.equal(false);
// pubKeyHash livenet
new Address('1KfyjCgBSMsLqiCbakfSdeoBUqMqLUiu3T').isScript().should.equal(false);
// script livenet
new Address('3QRhucKtEn5P9i7YPxzXCqBtPJTPbRFycn').isScript().should.equal(true);
// pubKeyHash testnet
new Address('mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE').isScript().should.equal(false);
// script testnet
new Address('2NBSBcf2KfjPEEqVusmrWdmUeNHRiUTS3Li').isScript().should.equal(true);
});
}); });

297
test/test.BIP32.js

@ -0,0 +1,297 @@
'use strict';
var chai = chai || require('chai');
var should = chai.should();
var bitcore = bitcore || require('../bitcore');
var BIP32 = bitcore.BIP32;
describe('BIP32', function() {
//test vectors: https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki
var vector1_master = '000102030405060708090a0b0c0d0e0f';
var vector1_m_public = 'xpub661MyMwAqRbcFtXgS5sYJABqqG9YLmC4Q1Rdap9gSE8NqtwybGhePY2gZ29ESFjqJoCu1Rupje8YtGqsefD265TMg7usUDFdp6W1EGMcet8'
var vector1_m_private = 'xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi';
var vector1_m0h_public = 'xpub68Gmy5EdvgibQVfPdqkBBCHxA5htiqg55crXYuXoQRKfDBFA1WEjWgP6LHhwBZeNK1VTsfTFUHCdrfp1bgwQ9xv5ski8PX9rL2dZXvgGDnw';
var vector1_m0h_private = 'xprv9uHRZZhk6KAJC1avXpDAp4MDc3sQKNxDiPvvkX8Br5ngLNv1TxvUxt4cV1rGL5hj6KCesnDYUhd7oWgT11eZG7XnxHrnYeSvkzY7d2bhkJ7';
var vector1_m0h1_public = 'xpub6ASuArnXKPbfEwhqN6e3mwBcDTgzisQN1wXN9BJcM47sSikHjJf3UFHKkNAWbWMiGj7Wf5uMash7SyYq527Hqck2AxYysAA7xmALppuCkwQ';
var vector1_m0h1_private = 'xprv9wTYmMFdV23N2TdNG573QoEsfRrWKQgWeibmLntzniatZvR9BmLnvSxqu53Kw1UmYPxLgboyZQaXwTCg8MSY3H2EU4pWcQDnRnrVA1xe8fs';
var vector1_m0h12h_public = 'xpub6D4BDPcP2GT577Vvch3R8wDkScZWzQzMMUm3PWbmWvVJrZwQY4VUNgqFJPMM3No2dFDFGTsxxpG5uJh7n7epu4trkrX7x7DogT5Uv6fcLW5';
var vector1_m0h12h_private = 'xprv9z4pot5VBttmtdRTWfWQmoH1taj2axGVzFqSb8C9xaxKymcFzXBDptWmT7FwuEzG3ryjH4ktypQSAewRiNMjANTtpgP4mLTj34bhnZX7UiM';
var vector1_m0h12h2_public = 'xpub6FHa3pjLCk84BayeJxFW2SP4XRrFd1JYnxeLeU8EqN3vDfZmbqBqaGJAyiLjTAwm6ZLRQUMv1ZACTj37sR62cfN7fe5JnJ7dh8zL4fiyLHV';
var vector1_m0h12h2_private = 'xprvA2JDeKCSNNZky6uBCviVfJSKyQ1mDYahRjijr5idH2WwLsEd4Hsb2Tyh8RfQMuPh7f7RtyzTtdrbdqqsunu5Mm3wDvUAKRHSC34sJ7in334';
var vector1_m0h12h21000000000_public = 'xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy';
var vector1_m0h12h21000000000_private = 'xprvA41z7zogVVwxVSgdKUHDy1SKmdb533PjDz7J6N6mV6uS3ze1ai8FHa8kmHScGpWmj4WggLyQjgPie1rFSruoUihUZREPSL39UNdE3BBDu76';
var vector2_master = 'fffcf9f6f3f0edeae7e4e1dedbd8d5d2cfccc9c6c3c0bdbab7b4b1aeaba8a5a29f9c999693908d8a8784817e7b7875726f6c696663605d5a5754514e4b484542';
var vector2_m_public = 'xpub661MyMwAqRbcFW31YEwpkMuc5THy2PSt5bDMsktWQcFF8syAmRUapSCGu8ED9W6oDMSgv6Zz8idoc4a6mr8BDzTJY47LJhkJ8UB7WEGuduB';
var vector2_m_private = 'xprv9s21ZrQH143K31xYSDQpPDxsXRTUcvj2iNHm5NUtrGiGG5e2DtALGdso3pGz6ssrdK4PFmM8NSpSBHNqPqm55Qn3LqFtT2emdEXVYsCzC2U';
var vector2_m0_public = 'xpub69H7F5d8KSRgmmdJg2KhpAK8SR3DjMwAdkxj3ZuxV27CprR9LgpeyGmXUbC6wb7ERfvrnKZjXoUmmDznezpbZb7ap6r1D3tgFxHmwMkQTPH';
var vector2_m0_private = 'xprv9vHkqa6EV4sPZHYqZznhT2NPtPCjKuDKGY38FBWLvgaDx45zo9WQRUT3dKYnjwih2yJD9mkrocEZXo1ex8G81dwSM1fwqWpWkeS3v86pgKt';
var vector2_m02147483647h_public = 'xpub6ASAVgeehLbnwdqV6UKMHVzgqAG8Gr6riv3Fxxpj8ksbH9ebxaEyBLZ85ySDhKiLDBrQSARLq1uNRts8RuJiHjaDMBU4Zn9h8LZNnBC5y4a';
var vector2_m02147483647h_private = 'xprv9wSp6B7kry3Vj9m1zSnLvN3xH8RdsPP1Mh7fAaR7aRLcQMKTR2vidYEeEg2mUCTAwCd6vnxVrcjfy2kRgVsFawNzmjuHc2YmYRmagcEPdU9';
var vector2_m02147483647h1_public = 'xpub6DF8uhdarytz3FWdA8TvFSvvAh8dP3283MY7p2V4SeE2wyWmG5mg5EwVvmdMVCQcoNJxGoWaU9DCWh89LojfZ537wTfunKau47EL2dhHKon';
var vector2_m02147483647h1_private = 'xprv9zFnWC6h2cLgpmSA46vutJzBcfJ8yaJGg8cX1e5StJh45BBciYTRXSd25UEPVuesF9yog62tGAQtHjXajPPdbRCHuWS6T8XA2ECKADdw4Ef';
var vector2_m02147483647h12147483646h_public = 'xpub6ERApfZwUNrhLCkDtcHTcxd75RbzS1ed54G1LkBUHQVHQKqhMkhgbmJbZRkrgZw4koxb5JaHWkY4ALHY2grBGRjaDMzQLcgJvLJuZZvRcEL';
var vector2_m02147483647h12147483646h_private = 'xprvA1RpRA33e1JQ7ifknakTFpgNXPmW2YvmhqLQYMmrj4xJXXWYpDPS3xz7iAxn8L39njGVyuoseXzU6rcxFLJ8HFsTjSyQbLYnMpCqE2VbFWc';
var vector2_m02147483647h12147483646h2_public = 'xpub6FnCn6nSzZAw5Tw7cgR9bi15UV96gLZhjDstkXXxvCLsUXBGXPdSnLFbdpq8p9HmGsApME5hQTZ3emM2rnY5agb9rXpVGyy3bdW6EEgAtqt';
var vector2_m02147483647h12147483646h2_private = 'xprvA2nrNbFZABcdryreWet9Ea4LvTJcGsqrMzxHx98MMrotbir7yrKCEXw7nadnHM8Dq38EGfSh6dqA9QWTyefMLEcBYJUuekgW4BYPJcr9E7j';
it('should initialize the class', function() {
should.exist(BIP32);
});
it('should create a mainnet bip32', function() {
var bip32 = new BIP32('mainnet');
should.exist(bip32);
});
it('should create a testnet bip32', function() {
var bip32 = new BIP32('testnet');
should.exist(bip32);
});
it('should initialize test vector 1 from the extended public key', function() {
var bip32 = new BIP32(vector1_m_public);
should.exist(bip32);
});
it('should initialize test vector 1 from the extended private key', function() {
var bip32 = new BIP32(vector1_m_private);
should.exist(bip32);
});
it('should get the extended public key from the extended private key for test vector 1', function() {
var bip32 = new BIP32(vector1_m_private);
bip32.extendedPublicKeyString().should.equal(vector1_m_public);
});
it("should get m/0' ext. private key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var child = bip32.derive("m/0'");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector1_m0h_private);
});
it("should get m/0' ext. public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var child = bip32.derive("m/0'");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector1_m0h_public);
});
it("should get m/0'/1 ext. private key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var child = bip32.derive("m/0'/1");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector1_m0h1_private);
});
it("should get m/0'/1 ext. public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var child = bip32.derive("m/0'/1");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector1_m0h1_public);
});
it("should get m/0'/1 ext. public key from m/0' public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var child = bip32.derive("m/0'");
var child_pub = new BIP32(child.extendedPublicKeyString());
var child2 = child_pub.derive("m/1");
should.exist(child2);
child2.extendedPublicKeyString().should.equal(vector1_m0h1_public);
});
it("should get m/0'/1/2h ext. private key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var child = bip32.derive("m/0'/1/2'");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector1_m0h12h_private);
});
it("should get m/0'/1/2h ext. public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var child = bip32.derive("m/0'/1/2'");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector1_m0h12h_public);
});
it("should get m/0'/1/2h/2 ext. private key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var child = bip32.derive("m/0'/1/2'/2");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector1_m0h12h2_private);
});
it("should get m/0'/1/2'/2 ext. public key from m/0'/1/2' public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var child = bip32.derive("m/0'/1/2'");
var child_pub = new BIP32(child.extendedPublicKeyString());
var child2 = child_pub.derive("m/2");
should.exist(child2);
child2.extendedPublicKeyString().should.equal(vector1_m0h12h2_public);
});
it("should get m/0'/1/2h/2 ext. public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var child = bip32.derive("m/0'/1/2'/2");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector1_m0h12h2_public);
});
it("should get m/0'/1/2h/2/1000000000 ext. private key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var child = bip32.derive("m/0'/1/2'/2/1000000000");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector1_m0h12h21000000000_private);
});
it("should get m/0'/1/2h/2/1000000000 ext. public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var child = bip32.derive("m/0'/1/2'/2/1000000000");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector1_m0h12h21000000000_public);
});
it("should get m/0'/1/2'/2/1000000000 ext. public key from m/0'/1/2'/2 public key from test vector 1", function() {
var bip32 = new BIP32(vector1_m_private);
var child = bip32.derive("m/0'/1/2'/2");
var child_pub = new BIP32(child.extendedPublicKeyString());
var child2 = child_pub.derive("m/1000000000");
should.exist(child2);
child2.extendedPublicKeyString().should.equal(vector1_m0h12h21000000000_public);
});
it('should initialize test vector 2 from the extended public key', function() {
var bip32 = new BIP32(vector2_m_public);
should.exist(bip32);
});
it('should initialize test vector 2 from the extended private key', function() {
var bip32 = new BIP32(vector2_m_private);
should.exist(bip32);
});
it('should get the extended public key from the extended private key for test vector 2', function() {
var bip32 = new BIP32(vector2_m_private);
bip32.extendedPublicKeyString().should.equal(vector2_m_public);
});
it("should get m/0 ext. private key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var child = bip32.derive("m/0");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector2_m0_private);
});
it("should get m/0 ext. public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var child = bip32.derive("m/0");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector2_m0_public);
});
it("should get m/0 ext. public key from m public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var child = bip32.derive("m");
var child_pub = new BIP32(child.extendedPublicKeyString());
var child2 = child_pub.derive("m/0");
should.exist(child2);
child2.extendedPublicKeyString().should.equal(vector2_m0_public);
});
it("should get m/0/2147483647h ext. private key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var child = bip32.derive("m/0/2147483647'");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector2_m02147483647h_private);
});
it("should get m/0/2147483647h ext. public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var child = bip32.derive("m/0/2147483647'");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector2_m02147483647h_public);
});
it("should get m/0/2147483647h/1 ext. private key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector2_m02147483647h1_private);
});
it("should get m/0/2147483647h/1 ext. public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector2_m02147483647h1_public);
});
it("should get m/0/2147483647h/1 ext. public key from m/0/2147483647h public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var child = bip32.derive("m/0/2147483647'");
var child_pub = new BIP32(child.extendedPublicKeyString());
var child2 = child_pub.derive("m/1");
should.exist(child2);
child2.extendedPublicKeyString().should.equal(vector2_m02147483647h1_public);
});
it("should get m/0/2147483647h/1/2147483646h ext. private key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1/2147483646'");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector2_m02147483647h12147483646h_private);
});
it("should get m/0/2147483647h/1/2147483646h ext. public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1/2147483646'");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector2_m02147483647h12147483646h_public);
});
it("should get m/0/2147483647h/1/2147483646h/2 ext. private key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1/2147483646'/2");
should.exist(child);
child.extendedPrivateKeyString().should.equal(vector2_m02147483647h12147483646h2_private);
});
it("should get m/0/2147483647h/1/2147483646h/2 ext. public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1/2147483646'/2");
should.exist(child);
child.extendedPublicKeyString().should.equal(vector2_m02147483647h12147483646h2_public);
});
it("should get m/0/2147483647h/1/2147483646h/2 ext. public key from m/0/2147483647h/2147483646h public key from test vector 2", function() {
var bip32 = new BIP32(vector2_m_private);
var child = bip32.derive("m/0/2147483647'/1/2147483646'");
var child_pub = new BIP32(child.extendedPublicKeyString());
var child2 = child_pub.derive("m/2");
should.exist(child2);
child2.extendedPublicKeyString().should.equal(vector2_m02147483647h12147483646h2_public);
});
describe('#seed', function() {
it('should initialize a new BIP32 correctly from test vector 1 seed', function() {
var hex = vector1_master;
var bip32 = BIP32.seed(hex, 'livenet');
should.exist(bip32);
bip32.extendedPrivateKeyString().should.equal(vector1_m_private);
bip32.extendedPublicKeyString().should.equal(vector1_m_public);
});
it('should initialize a new BIP32 correctly from test vector 2 seed', function() {
var hex = vector2_master;
var bip32 = BIP32.seed(hex, 'livenet');
should.exist(bip32);
bip32.extendedPrivateKeyString().should.equal(vector2_m_private);
bip32.extendedPublicKeyString().should.equal(vector2_m_public);
});
});
});

169
test/test.Block.js

@ -4,9 +4,33 @@ var chai = chai || require('chai');
var bitcore = bitcore || require('../bitcore'); var bitcore = bitcore || require('../bitcore');
var should = chai.should(); var should = chai.should();
var testdata = testdata || require('./testdata');
var BlockModule = bitcore.Block; var BlockModule = bitcore.Block;
var BinaryParser = bitcore.BinaryParser;
var Block; var Block;
var getBlock = function (onlyHeader) {
var testnetMagic = bitcore.networks.testnet.magic.toString('hex');
var b = new Block();
// this is block 86756 from testnet3
var p = new BinaryParser(testdata.dataRawBlock);
var magic = p.buffer(4).toString('hex');
if (magic !== testnetMagic )
throw new Error('CRITICAL ERROR: Magic number mismatch: ' +
magic + ' : ' + testnetMagic);
p.word32le();
b.parse(p, onlyHeader);
return b;
};
describe('Block', function() { describe('Block', function() {
it('should initialze the main object', function() { it('should initialze the main object', function() {
should.exist(BlockModule); should.exist(BlockModule);
@ -16,8 +40,149 @@ describe('Block', function() {
should.exist(Block); should.exist(Block);
}); });
it('should be able to create instance', function() { it('should be able to create instance', function() {
var p = new Block(); var b = new Block();
should.exist(p); should.exist(b);
});
it('should be able to parse a block from hex', function() {
var b = getBlock();
should.exist(b);
should.exist(b.getHash());
});
it('should be able to check block contents', function() {
var b = getBlock();
should.exist(b.getHash());
b.checkHash().should.equal(true);
b.checkProofOfWork().should.equal(true);
b.getWork().toString().should.equal('17180131332');
b.checkTimestamp().should.equal(true);
});
it('#checkBlock should be able to check block contents', function() {
var b = getBlock();
should.exist(b.getHash());
b.checkBlock().should.equal(true);
});
it('should be able to check Transactions', function() {
var b = getBlock();
b.checkTransactions(b.txs).should.equal(true);
b.checkTransactions.bind([]).should.throw();
var coinbase = b.txs.shift;
b.checkTransactions.bind(b.txs).should.throw();
b.txs.push(coinbase);
b.checkTransactions.bind(b.txs).should.throw();
});
it('should be able to checkMerkleRoot', function() {
var b = getBlock();
b.getMerkleTree(b.txs).length.should.equal(45);
bitcore.buffertools.toHex(b.calcMerkleRoot(b.txs)).should.equal(bitcore.buffertools.toHex(new Buffer(b.merkle_root)));
b.checkMerkleRoot(b.txs);
delete b['merkle_root'];
b.checkMerkleRoot.bind(b.txs).should.throw();
b.merkle_root=new Buffer('wrong');
b.checkMerkleRoot.bind(b.txs).should.throw();
});
it('should be able to checkProofOfWork', function() {
var b = getBlock();
b.hash = bitcore.buffertools.reverse(new Buffer('000000000b99b16390660d79fcc138d2ad0c89a0d044c4201a02bdf1f61ffa11', 'hex'));
b.checkHash().should.equal(true);
b.checkProofOfWork().should.equal(true);
// wrong hash hash, ok proof of work
b.hash = bitcore.buffertools.reverse(new Buffer('000000000000016390660d79fcc138d2ad0c89a0d044c4201a02bdf1f61ffa11', 'hex'));
b.checkProofOfWork().should.equal(true);
b.checkHash().should.equal(false);
// wrong hash hash, wrong proof of work
b.hash = bitcore.buffertools.reverse(new Buffer('0000000bbb99b16390660d79fcc138d2ad0c89a0d044c4201a02bdf1f61ffa11', 'hex'));
b.checkHash().should.equal(false);
b.checkProofOfWork.bind().should.throw();
});
it('should be able to check via checkBlock', function() {
var b = getBlock();
b.checkBlock.bind(b.txs).should.throw();
b.getHash();
b.checkBlock(b.txs).should.equal(true);
});
it('should be able to get components from blocks', function() {
var b = getBlock(true);
bitcore.util.formatHashFull(b.getHash()).should.equal('000000000b99b16390660d79fcc138d2ad0c89a0d044c4201a02bdf1f61ffa11');
bitcore.util.formatHashFull(b.getHeader()).should.equal('d6383bd51c3fffc051be10ce58e6d52d1eb00470ae1ab4d5a3375c0f51382c6f249fff84e9888286974cfc97000000003c35b5e70b13d5b938fef4e998a977c17bea978390273b7c50a9aa4b00000002');
bitcore.util.formatHashFull(b.merkle_root).should.equal('58e6d52d1eb00470ae1ab4d5a3375c0f51382c6f249fff84e9888286974cfc97');
});
it('#getBlockValue should return the correct block value', function() {
var c = bitcore.util.COIN;
bitcore.Block.getBlockValue(0).div(c).toNumber().should.equal(50);
bitcore.Block.getBlockValue(1).div(c).toNumber().should.equal(50);
bitcore.Block.getBlockValue(209999).div(c).toNumber().should.equal(50);
bitcore.Block.getBlockValue(210000).div(c).toNumber().should.equal(25);
bitcore.Block.getBlockValue(2100000).toNumber().should.equal(4882812);
});
it('#getStandardizedObject should return object', function() {
var b = getBlock();
var o = b.getStandardizedObject(b.txs);
o.hash.should.equal('000000000b99b16390660d79fcc138d2ad0c89a0d044c4201a02bdf1f61ffa11');
o.n_tx.should.equal(22);
o.size.should.equal(8003);
var o2 = b.getStandardizedObject();
o2.hash.should.equal('000000000b99b16390660d79fcc138d2ad0c89a0d044c4201a02bdf1f61ffa11');
o2.size.should.equal(0);
});
it('#miner should call the callback', function(done) {
var b = getBlock();
var Miner = function() {};
Miner.prototype.solve = function (header,target,cb) {
this.called=1;
should.exist(header);
should.exist(target);
return cb();
};
var miner = new Miner();
b.solve(miner, function () {
miner.called.should.equal(1);
done();
});
});
it('#createCoinbaseTx should create a tx', function() {
var b = new Block();
var pubkey = new Buffer('02d20b3fba521dcf88dfaf0eee8c15a8ba692d7eb0cb957d5bcf9f4cc052fb9cc6');
var tx = b.createCoinbaseTx(pubkey);
should.exist(tx);
tx.isCoinBase().should.equal(true);
}); });
}); });

59
test/test.Key.js

@ -1,15 +1,15 @@
'use strict';
var chai = chai || require('chai'); var chai = chai || require('chai');
var bitcore = bitcore || require('../bitcore'); var bitcore = bitcore || require('../bitcore');
var coinUtil = coinUtil || bitcore.util;
var buffertools = require('buffertools'); var buffertools = require('buffertools');
var should = chai.should(); var should = chai.should();
var assert = chai.assert;
var Key = bitcore.Key; var Key = bitcore.Key;
describe('Key', function() { describe('Key', function() {
it('should initialze the main object', function() { it('should initialize the main object', function() {
should.exist(Key); should.exist(Key);
}); });
it('should be able to create instance', function() { it('should be able to create instance', function() {
@ -114,4 +114,57 @@ describe('Key', function() {
ret.should.equal(false); ret.should.equal(false);
}); });
//node tests only
//addUncompressed is a node-only interface feature
if (typeof process !== 'undefined' && process.versions) {
describe('#addUncompressed', function() {
it('should exist', function() {
should.exist(Key.addUncompressed);
});
it('should add two uncompressed public keys', function() {
var key1 = Key.generateSync();
key1.compressed = false;
var key2 = Key.generateSync();
key2.compressed = false;
var pubkey1 = key1.public;
var pubkey2 = key2.public;
var pubkey = Key.addUncompressed(pubkey1, pubkey2);
pubkey.length.should.equal(65);
});
it('a + b should equal b + a', function() {
var key1 = Key.generateSync();
key1.compressed = false;
var key2 = Key.generateSync();
key2.compressed = false;
var pubkey1 = key1.public;
var pubkey2 = key2.public;
var r1 = Key.addUncompressed(pubkey1, pubkey2);
var r2 = Key.addUncompressed(pubkey2, pubkey1);
r1.toString('hex').should.equal(r2.toString('hex'));
});
it('should be able to add these two public keys without error', function() {
var key1 = new Key();
key1.private = coinUtil.sha256("first " + 3);
key1.compressed = false;
key1.regenerateSync();
var key2 = new Key();
key2.private = coinUtil.sha256("second " + 3);
key2.compressed = false;
key2.regenerateSync();
var pubkey1 = key1.public;
var pubkey2 = key2.public;
var pubkey = Key.addUncompressed(pubkey1, pubkey2);
pubkey.length.should.equal(65);
var key = new Key();
key.public = pubkey;
assert(key.public !== null);
});
});
}
}); });

19
test/test.Opcode.js

@ -17,15 +17,13 @@ describe('Opcode', function() {
should.exist(Opcode); should.exist(Opcode);
}); });
it('should be able to create instance', function() { it('should be able to create instance', function() {
var oc = new Opcode(); var oc = new Opcode(81);
should.exist(oc); should.exist(oc);
}); });
it.skip('should be able to create some constants', function() { it('should be able to create some constants', function() {
// TODO: test works in node but not in browser // TODO: test works in node but not in browser
for (var i in Opcode.map) { for (var i in Opcode.map) {
console.log('var '+i + ' = ' + Opcode.map[i] + ';'); eval('var ' + i + ' = ' + Opcode.map[i] + ';');
eval('var '+i + ' = ' + Opcode.map[i] + ';');
console.log(eval(i));
} }
should.exist(OP_VER); should.exist(OP_VER);
should.exist(OP_HASH160); should.exist(OP_HASH160);
@ -33,11 +31,10 @@ describe('Opcode', function() {
should.exist(OP_EQUALVERIFY); should.exist(OP_EQUALVERIFY);
should.exist(OP_CHECKSIG); should.exist(OP_CHECKSIG);
should.exist(OP_CHECKMULTISIG); should.exist(OP_CHECKMULTISIG);
});
it('#asList should work', function() {
var list = Opcode.asList();
(typeof(list[0])).should.equal('string');
list.length.should.equal(116);
}); });
}); });

69
test/test.Point.js

@ -0,0 +1,69 @@
'use strict';
var chai = chai || require('chai');
var bitcore = bitcore || require('../bitcore');
var coinUtil = coinUtil || bitcore.util;
var buffertools = require('buffertools');
var bignum = require('bignum');
var should = chai.should();
var assert = chai.assert;
var Point = bitcore.Point;
var Key = bitcore.Key;
describe('Key', function() {
it('should initialize the main object', function() {
should.exist(Point);
});
it('should be able to create instance', function() {
var p = new Point();
should.exist(p);
});
it('should add these two points correctly', function() {
//these points are from one of the BIP32 test vectors
var axhex = "69b154b42ff9452c31251cb341d7db01ad603dc56d64f9c5fb9e7031b89a241d";
var ayhex = "eeedc91342b3c8982c1e676435780fe5f9d62f3f692e8d1512485d77fab35997";
var a = new Point(bignum.fromBuffer((new Buffer(axhex, 'hex')), {size: 32}), bignum.fromBuffer((new Buffer(ayhex, 'hex')), {size: 32}));
var bxhex = "5a784662a4a20a65bf6aab9ae98a6c068a81c52e4b032c0fb5400c706cfccc56";
var byhex = "7f717885be239daadce76b568958305183ad616ff74ed4dc219a74c26d35f839";
var b = new Point(bignum.fromBuffer((new Buffer(bxhex, 'hex')), {size: 32}), bignum.fromBuffer((new Buffer(byhex, 'hex')), {size: 32}));
var sxhex = "501e454bf00751f24b1b489aa925215d66af2234e3891c3b21a52bedb3cd711c";
var syhex = "008794c1df8131b9ad1e1359965b3f3ee2feef0866be693729772be14be881ab";
var s = new Point(bignum.fromBuffer((new Buffer(sxhex, 'hex')), {size: 32}), bignum.fromBuffer((new Buffer(syhex, 'hex')), {size: 32}));
var sum = Point.add(a, b);
s.x.toBuffer({size: 32}).toString('hex').should.equal(sum.x.toBuffer({size: 32}).toString('hex'));
s.y.toBuffer({size: 32}).toString('hex').should.equal(sum.y.toBuffer({size: 32}).toString('hex'));
});
it('should convert a Point into the public key of a Key', function() {
var axhex = "69b154b42ff9452c31251cb341d7db01ad603dc56d64f9c5fb9e7031b89a241d";
var axbuf = new Buffer(axhex, 'hex');
var ayhex = "eeedc91342b3c8982c1e676435780fe5f9d62f3f692e8d1512485d77fab35997";
var aybuf = new Buffer(ayhex, 'hex');
var a = new Point(bignum.fromBuffer(axbuf, {size: 32}), bignum.fromBuffer(aybuf, {size: 32}));
var pubKeyBufCompressedHex = "0369b154b42ff9452c31251cb341d7db01ad603dc56d64f9c5fb9e7031b89a241d";
var key = new Key();
key.public = new Buffer(pubKeyBufCompressedHex, 'hex');
key.public.toString('hex').should.equal(a.toKey().public.toString('hex'));
});
it('should convert the public key of a Key into a Point', function() {
var axhex = "69b154b42ff9452c31251cb341d7db01ad603dc56d64f9c5fb9e7031b89a241d";
var ayhex = "eeedc91342b3c8982c1e676435780fe5f9d62f3f692e8d1512485d77fab35997";
var pubKeyBufCompressedHex = "0369b154b42ff9452c31251cb341d7db01ad603dc56d64f9c5fb9e7031b89a241d";
var key = new Key();
key.public = new Buffer(pubKeyBufCompressedHex, 'hex');
var point = Point.fromKey(key);
point.x.toBuffer({size: 32}).toString('hex').should.equal(axhex);
point.y.toBuffer({size: 32}).toString('hex').should.equal(ayhex);
});
});

22
test/test.PrivateKey.js

@ -25,8 +25,28 @@ describe('PrivateKey', function() {
it('should convert hex testnet private key with compressed public key to base58check format', function() { it('should convert hex testnet private key with compressed public key to base58check format', function() {
var hex = 'b9f4892c9e8282028fea1d2667c4dc5213564d41fc5783896a0d843fc15089f3'; var hex = 'b9f4892c9e8282028fea1d2667c4dc5213564d41fc5783896a0d843fc15089f3';
var buf = new Buffer(hex, 'hex'); var buf = new Buffer(hex, 'hex');
var privkey = new PrivateKey(networks.testnet.keySecret, buf, true); var privkey = new PrivateKey(networks.testnet.privKeyVersion, buf, true);
privkey.as('base58').should.equal('cTpB4YiyKiBcPxnefsDpbnDxFDffjqJob8wGCEDXxgQ7zQoMXJdH'); privkey.as('base58').should.equal('cTpB4YiyKiBcPxnefsDpbnDxFDffjqJob8wGCEDXxgQ7zQoMXJdH');
}); });
it('should be able to detect network from privatekey', function() {
var a = new PrivateKey('cMu64LfQqrPC83SjJqde4mZ5jzC48zyeKbUZbTjQdh6pa1h48TdM');
a.network().name.should.equal('testnet');
var a = new PrivateKey('cS62Ej4SobZnpFQYN1PEEBr2KWf5sgRYYnELtumcG6WVCfxno39V');
a.network().name.should.equal('testnet');
//compress flag = on
var a = new PrivateKey('KwHXRTLNWKzxy2NUnnhFtxricC3Dod4Dd3D7RKzVkKDtWrZhuDHs');
a.network().name.should.equal('livenet');
var a = new PrivateKey('KwaLX8oyJNNCL9tcyYakQHJDTnrPAmZ2M1YK7NhEcT9j55LWqMZz');
a.network().name.should.equal('livenet');
//compress flag = off
var a = new PrivateKey('5KS4jw2kT3VoEFUfzgSpX3GVi7qRYkTfwTBU7qxPKyvbGuiVj33');
a.network().name.should.equal('livenet');
var a = new PrivateKey('5JZsbYcnYN8Dz2YeSLZr6aswrVevedMUSFWxpie6SPpYRb2E4Gi');
a.network().name.should.equal('livenet');
});
}); });

52
test/test.Script.js

@ -84,6 +84,15 @@ describe('Script', function() {
}); });
}); });
describe('#parse', function() {
it('should parse this valid script', function() {
var scriptHex = '6a0843435000010001004c75726c3d687474702533612532662532666c6f63616c686f7374253361343636313125326663253266324d794a6e5065774c5a6241596a6843666f695652526679733937746d5231516d4b61';
var script = new Script(new Buffer(scriptHex, 'hex'));
should.exist(script);
script.chunks[2].length.should.equal(75);
});
});
testdata.dataScriptAll.forEach(function(datum) { testdata.dataScriptAll.forEach(function(datum) {
if (datum.length < 2) throw new Error('Invalid test data'); if (datum.length < 2) throw new Error('Invalid test data');
var human = datum[0] + ' ' + datum[1]; var human = datum[0] + ' ' + datum[1];
@ -98,4 +107,47 @@ describe('Script', function() {
}); });
}); });
// Original test from https://github.com/ryanxcharles/treasure
var testPubKeysHex = [
'02c525d65d18be8fb36ab50a21bee02ac9fdc2c176fa18791ac664ea4b95572ae0',
'02b937d54b550a3afdc2819772822d25869495f9e588b56a0205617d80514f0758',
'0266dd7664e65958f3cc67bf92ad6243bc495df5ab56691719263977104b635bea',
'02ee91377073b04d1d9d19597b81a7be3db6554bd7d16151cb5599a6107a589e70',
'02c8f63ad4822ef360b5c300f08488fa0fa24af2b2bebb6d6b602ca938ee5af793'
];
describe('#_sortKeys', function() {
it('should get the pubkeys in properly sorted order', function() {
var pubs = testPubKeysHex.map( function(hex) {
return new Buffer(hex,'hex');
});
var sorted = Script._sortKeys(pubs);
sorted[0].toString('hex').should.equal(testPubKeysHex[2]);
sorted[1].toString('hex').should.equal(testPubKeysHex[1]);
sorted[2].toString('hex').should.equal(testPubKeysHex[0]);
sorted[3].toString('hex').should.equal(testPubKeysHex[4]);
sorted[4].toString('hex').should.equal(testPubKeysHex[3]);
});
});
describe('#createMultisig', function() {
it('should create ', function() {
var pubs = testPubKeysHex.map( function(hex) {
return new Buffer(hex,'hex');
});
var s1 = Script.createMultisig(3,pubs, {noSorting: true});
// test case generated with: bitcoind createmultisig 3 '["02c525d65d18be8fb36ab50a21bee02ac9fdc2c176fa18791ac664ea4b95572ae0", "02b937d54b550a3afdc2819772822d25869495f9e588b56a0205617d80514f0758", "0266dd7664e65958f3cc67bf92ad6243bc495df5ab56691719263977104b635bea","02ee91377073b04d1d9d19597b81a7be3db6554bd7d16151cb5599a6107a589e70", "02c8f63ad4822ef360b5c300f08488fa0fa24af2b2bebb6d6b602ca938ee5af793"]'
s1.getBuffer().toString('hex').should.equal('532102c525d65d18be8fb36ab50a21bee02ac9fdc2c176fa18791ac664ea4b95572ae02102b937d54b550a3afdc2819772822d25869495f9e588b56a0205617d80514f0758210266dd7664e65958f3cc67bf92ad6243bc495df5ab56691719263977104b635bea2102ee91377073b04d1d9d19597b81a7be3db6554bd7d16151cb5599a6107a589e702102c8f63ad4822ef360b5c300f08488fa0fa24af2b2bebb6d6b602ca938ee5af79355ae');
var s2 = Script.createMultisig(3,pubs);
// test case generated with: bitcoind createmultisig 3 '["0266dd7664e65958f3cc67bf92ad6243bc495df5ab56691719263977104b635bea", "02b937d54b550a3afdc2819772822d25869495f9e588b56a0205617d80514f0758", "02c525d65d18be8fb36ab50a21bee02ac9fdc2c176fa18791ac664ea4b95572ae0", "02c8f63ad4822ef360b5c300f08488fa0fa24af2b2bebb6d6b602ca938ee5af793", "02ee91377073b04d1d9d19597b81a7be3db6554bd7d16151cb5599a6107a589e70"]'
s2.getBuffer().toString('hex').should.equal('53210266dd7664e65958f3cc67bf92ad6243bc495df5ab56691719263977104b635bea2102b937d54b550a3afdc2819772822d25869495f9e588b56a0205617d80514f07582102c525d65d18be8fb36ab50a21bee02ac9fdc2c176fa18791ac664ea4b95572ae02102c8f63ad4822ef360b5c300f08488fa0fa24af2b2bebb6d6b602ca938ee5af7932102ee91377073b04d1d9d19597b81a7be3db6554bd7d16151cb5599a6107a589e7055ae');
});
});
}); });

92
test/test.ScriptInterpreter.js

@ -2,73 +2,91 @@
var chai = chai || require('chai'); var chai = chai || require('chai');
var bitcore = bitcore || require('../bitcore'); var bitcore = bitcore || require('../bitcore');
var buffertools = require('buffertools');
var should = chai.should(); var should = chai.should();
var testdata = testdata || require('./testdata'); var testdata = testdata || require('./testdata');
var ScriptInterpreterModule = bitcore.ScriptInterpreter;
var Script = bitcore.Script; var Script = bitcore.Script;
var ScriptInterpreter; var ScriptInterpreter = bitcore.ScriptInterpreter;
describe('ScriptInterpreter', function() { describe('ScriptInterpreter', function() {
it('should initialze the main object', function() { it('should initialze the main object', function() {
should.exist(ScriptInterpreterModule);
});
it('should be able to create class', function() {
ScriptInterpreter = ScriptInterpreterModule;
should.exist(ScriptInterpreter); should.exist(ScriptInterpreter);
}); });
it('should be able to create instance', function() { it('should be able to create instance', function() {
var si = new ScriptInterpreter(); var si = new ScriptInterpreter();
should.exist(si); should.exist(si);
}); });
var i = 0; var testScripts = function(data, valid) {
testdata.dataScriptValid.forEach(function(datum) { data.forEach(function(datum) {
if (datum.length < 2) throw new Error('Invalid test data'); if (datum.length < 2) throw new Error('Invalid test data');
var scriptSig = datum[0]; // script inputs var scriptSig = datum[0]; // script inputs
var scriptPubKey = datum[1]; // output script var scriptPubKey = datum[1]; // output script
var human = scriptSig + ' ' + scriptPubKey; var human = scriptSig + ' ' + scriptPubKey;
it.skip('should validate script ' + human, function(done) { it('should ' + (!valid ? 'not ' : '') + 'validate script ' + human, function(done) {
i++; try {
console.log(i + ' ' + human); ScriptInterpreter.verifyFull(
ScriptInterpreter.verify(Script.fromHumanReadable(scriptSig), Script.fromHumanReadable(scriptSig), // scriptSig
Script.fromHumanReadable(scriptPubKey), Script.fromHumanReadable(scriptPubKey), // scriptPubKey
null, 0, 0, // tx, output index, and hashtype null, 0, 0, // tx, output index, hashtype
function (err, result) { { verifyP2SH: !valid}, // only verify P2SH for invalid data set
should.not.exist(err); function(err, result) {
result.should.equal(true); if (valid) {
should.not.exist(err);
} else {
var failed = (typeof err !== 'undefined') || (result === false);
failed.should.equal(true);
}
if (typeof result !== 'undefined') {
result.should.equal(valid);
}
done();
}
);
} catch (e) {
if (valid) {
console.log(e);
}
valid.should.equal(false);
done(); done();
} }
);
});
}); });
}); };
testScripts(testdata.dataScriptValid, true);
testScripts(testdata.dataScriptInvalid, false);
var i = 0;
testdata.dataSigCanonical.forEach(function(datum) { testdata.dataSigCanonical.forEach(function(datum) {
it('should validate valid canonical signatures', function() { it('should validate valid canonical signatures', function() {
ScriptInterpreter.isCanonicalSignature(new Buffer(datum,'hex')).should.equal(true); new ScriptInterpreter().isCanonicalSignature(new Buffer(datum, 'hex')).should.equal(true);
}); });
}); });
testdata.dataSigNonCanonical.forEach(function(datum) { testdata.dataSigNonCanonical.forEach(function(datum) {
it('should NOT validate invalid canonical signatures', function() { it('should NOT validate invalid canonical signatures', function() {
var sig; var sig;
var isHex; var isHex;
//is Hex? //is Hex?
try { try {
sig =new Buffer(datum,'hex'); sig = new Buffer(datum, 'hex');
isHex=1; isHex = 1;
} catch (e) { } } catch (e) {}
if (isHex) // ignore non-hex strings
ScriptInterpreter.isCanonicalSignature.bind(sig).should.throw(); if (isHex) {
var f = function() {
var si = new ScriptInterpreter();
var r = si.isCanonicalSignature(sig);
};
// how this test should be
// f.should.throw();
new ScriptInterpreter().isCanonicalSignature.bind(sig).should.throw();
}
}); });
}); });
}); });

126
test/test.Transaction.js

@ -1,68 +1,124 @@
'use strict'; 'use strict';
var chai = chai || require('chai'); var chai = chai || require('chai');
chai.Assertion.includeStack = true;
var bitcore = bitcore || require('../bitcore'); var bitcore = bitcore || require('../bitcore');
var should = chai.should(); var should = chai.should();
var TransactionModule = bitcore.Transaction; var Transaction = bitcore.Transaction;
var Transaction;
var In; var In;
var Out; var Out;
var Script = bitcore.Script; var Script = bitcore.Script;
var util = bitcore.util;
var buffertools = require('buffertools'); var buffertools = require('buffertools');
var testdata = testdata || require('./testdata'); var testdata = testdata || require('./testdata');
// Read tests from test/data/tx_valid.json and tx_invalid.json
// Format is an array of arrays
// Inner arrays are either [ "comment" ]
// or [[[prevout hash, prevout index, prevout scriptPubKey], [input 2], ...],"], serializedTransaction, enforceP2SH
// ... where all scripts are stringified scripts.
// Returns an object with the Transaction object, and an array of input objects
function parse_test_transaction(entry) {
// Ignore comments
if (entry.length !== 3) return;
var inputs = {};
entry[0].forEach(function(vin) {
var hash = (vin[0]);
var index = vin[1];
var scriptPubKey = Script.fromHumanReadable(vin[2]);
var mapKey = [hash, index];
inputs[mapKey] = scriptPubKey;
});
var raw = new Buffer(entry[1], 'hex');
var tx = new Transaction();
tx.parse(raw);
// Sanity check transaction has been parsed correctly
buffertools.toHex(tx.serialize()).should.equal(buffertools.toHex(raw));
return {
'transaction': tx,
'inputs': inputs
};
}
describe('Transaction', function() { describe('Transaction', function() {
it('should initialze the main object', function() { it('should initialze the main object', function() {
should.exist(TransactionModule);
});
it('should be able to create class', function() {
Transaction = TransactionModule;
should.exist(Transaction); should.exist(Transaction);
In = Transaction.In; In = Transaction.In;
Out = Transaction.Out; Out = Transaction.Out;
should.exist(In); should.exist(In);
should.exist(Out); should.exist(Out);
}); });
it('should be able to create instance', function() { it('should be able to create instance', function() {
var t = new Transaction(); var t = new Transaction();
should.exist(t); should.exist(t);
}); });
// Read tests from test/data/tx_valid.json /*
// Format is an array of arrays * Bitcoin core transaction tests
// Inner arrays are either [ "comment" ] */
// or [[[prevout hash, prevout index, prevout scriptPubKey], [input 2], ...],"], serializedTransaction, enforceP2SH // Verify that known valid transactions are intepretted correctly
// ... where all scripts are stringified scripts. var coreTest = function(data, valid) {
testdata.dataTxValid.forEach(function(datum) { buffertools.extend();
if (datum.length === 3) { data.forEach(function(datum) {
it.skip('valid tx=' + datum[1], function(done) { if (datum.length < 3) return;
var inputs = datum[0]; var raw = datum[1];
var map = {}; var verifyP2SH = datum[2];
inputs.forEach(function(vin) { var testTx = parse_test_transaction(datum);
var hash = vin[0]; var tx = testTx.transaction;
var index = vin[1];
var scriptPubKey = new Script(new Buffer(vin[2]));
map[[hash, index]] = scriptPubKey; //Script.fromStringContent(scriptPubKey);
console.log(scriptPubKey.getStringContent());
console.log('********************************');
done();
describe((valid ? '' : 'in') + 'valid tx=' + raw, function() {
it('should parse correctly', function() {
buffertools.toHex(tx.serialize()).toLowerCase().should.equal(raw.toLowerCase());
}); });
var raw = new Buffer(datum[1], 'hex');
var tx = new Transaction();
tx.parse(raw);
buffertools.toHex(tx.serialize()).should.equal(buffertools.toHex(raw)); var inputs = tx.inputs();
var j = 0;
inputs.forEach(function(input) {
var i = j;
j += 1;
it('should validate input #' + i, function(done) {
var i = 0; var outpointHash = new Buffer(input[0].length);
var stx = tx.getStandardizedObject(); input[0].copy(outpointHash);
tx.ins.forEach(function(txin) { input[0] = buffertools.reverse(outpointHash);
var scriptPubKey = map[[stx. in [i].prev_out.hash, stx. in [i].prev_out.n]]; input[0] = buffertools.toHex(input[0]);
i += 1; var mapKey = [input];
var scriptPubKey = testTx.inputs[mapKey];
if (!scriptPubKey) throw new Error('Bad test: ' + datum);
tx.verifyInput(
i,
scriptPubKey, {
verifyP2SH: verifyP2SH,
dontVerifyStrictEnc: true
},
function(err, results) {
if (valid) {
should.not.exist(err);
should.exist(results);
results.should.equal(valid);
} else {
var invalid = (typeof err !== 'undefined') || results === false;
invalid.should.equal(true);
}
done();
}
);
});
}); });
}); });
} });
}); };
coreTest(testdata.dataTxValid, true);
coreTest(testdata.dataTxInvalid, false);
}); });

684
test/test.TransactionBuilder.js

@ -0,0 +1,684 @@
'use strict';
var chai = chai || require('chai');
chai.Assertion.includeStack = true;
var bitcore = bitcore || require('../bitcore');
var should = chai.should();
var Transaction = bitcore.Transaction;
var TransactionBuilder = bitcore.TransactionBuilder;
var In;
var Out;
var Script = bitcore.Script;
var WalletKey = bitcore.WalletKey;
var util = bitcore.util;
var networks = bitcore.networks;
var buffertools = require('buffertools');
var testdata = testdata || require('./testdata');
describe('TransactionBuilder', function() {
it('should initialze the main object', function() {
should.exist(TransactionBuilder);
});
it('should be able to create instance', function() {
var t = new TransactionBuilder();
should.exist(t);
});
it('should be able to create instance with params', function() {
var t = new TransactionBuilder({spendUnconfirmed: true, lockTime: 10});
should.exist(t);
should.exist(t.txobj.version);
t.spendUnconfirmed.should.equal(true);
t.txobj.lock_time.should.equal(10);
});
var getBuilder = function (spendUnconfirmed) {
var t = new TransactionBuilder({spendUnconfirmed: spendUnconfirmed})
.setUnspent(testdata.dataUnspent);
return t;
};
function f(amount, spendUnconfirmed) {
spendUnconfirmed = typeof spendUnconfirmed === 'undefined'?true:false;
return getBuilder(spendUnconfirmed)
._selectUnspent(amount * util.COIN).selectedUtxos;
}
it('#_selectUnspent should be able to select utxos', function() {
var u = f(1);
u.length.should.equal(3);
should.exist(u[0].amount);
should.exist(u[0].txid);
should.exist(u[0].scriptPubKey);
should.exist(u[0].vout);
f(0.5).length.should.equal(3);
f(0.1).length.should.equal(2);
f(0.05).length.should.equal(2);
f(0.015).length.should.equal(2);
f(0.001).length.should.equal(1);
});
/*jshint -W068 */
it('#_selectUnspent should return null if not enough utxos', function() {
(function() { f(1.12); }).should.throw();
});
it('#_selectUnspent should check confirmations', function() {
(function() { f(0.9,false); }).should.throw();
f(0.9).length.should.equal(3);
f(0.11,false).length.should.equal(2);
(function() { f(0.111,false); }).should.throw();
});
it('#_setInputs sets inputs', function() {
var b = getBuilder()
.setUnspent(testdata.dataUnspent)
._selectUnspent(0.1 * util.COIN)
._setInputs();
should.exist(b.txobj.ins[0].s);
should.exist(b.txobj.ins[0].q);
should.exist(b.txobj.ins[0].o);
});
it('#_setInputMap set inputMap', function() {
var b = getBuilder()
.setUnspent(testdata.dataUnspent)
._selectUnspent(0.1 * util.COIN)
._setInputs()
._setInputMap();
should.exist(b.inputMap);
b.inputMap.length.should.equal(2);
});
var getBuilder2 = function (fee) {
var opts = {
remainderOut: {address: 'mwZabyZXg8JzUtFX1pkGygsMJjnuqiNhgd'},
spendUnconfirmed: true,
};
if (fee) opts.fee = fee;
var outs = [{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 0.08
}];
return new TransactionBuilder(opts)
.setUnspent(testdata.dataUnspent)
.setOutputs(outs);
};
it('should fail to create tx', function() {
(function() {
getBuilder()
.setUnspent(testdata.dataUnspent)
.build();
}).should.throw();
});
it('should fail if not enough inputs ', function() {
var utxos = testdata.dataUnspent;
var opts = {
remainderOut: {address: 'mwZabyZXg8JzUtFX1pkGygsMJjnuqiNhgd'},
spendUnconfirmed: true,
};
var outs = [{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 80
}];
(function() {
new TransactionBuilder(opts)
.setUnspent(testdata.dataUnspent)
.setOutputs(outs);
}).should.throw();
var outs2 = [{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 0.5
}];
should.exist(
new TransactionBuilder(opts)
.setUnspent(testdata.dataUnspent)
.setOutputs(outs2)
);
// do not allow unconfirmed
opts.spendUnconfirmed = false;
(function() {
new TransactionBuilder(opts)
.setUnspent(testdata.dataUnspent)
.setOutputs(outs2);
}).should.throw();
});
it('should be able to create a tx', function() {
var b = getBuilder2();
b.isFullySigned().should.equal(false);
b.getSelectedUnspent().length.should.equal(2);
var tx = b.build();
should.exist(tx);
tx.version.should.equal(1);
tx.ins.length.should.equal(2);
tx.outs.length.should.equal(2);
util.valueToBigInt(tx.outs[0].v).cmp(8000000).should.equal(0);
// remainder is 0.0299 here because unspent select utxos in order
util.valueToBigInt(tx.outs[1].v).cmp(2990000).should.equal(0);
});
it('should create same output as bitcoind createrawtransaction ', function() {
var tx = getBuilder2().build();
// string output generated from: bitcoind createrawtransaction '[{"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1","vout":1},{"txid":"2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc2","vout":0} ]' '{"mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE":0.08,"mwZabyZXg8JzUtFX1pkGygsMJjnuqiNhgd":0.0299}'
tx.serialize().toString('hex').should.equal('0100000002c1cf12ab89729d19d3cdec8ae531b5038d56c741006a105d532b3a7afa65c12a0100000000ffffffffc2cf12ab89729d19d3cdec8ae531b5038d56c741006a105d532b3a7afa65c12a0000000000ffffffff0200127a00000000001976a914774e603bafb717bd3f070e68bbcccfd907c77d1388acb09f2d00000000001976a914b00127584485a7cff0949ef0f6bc5575f06ce00d88ac00000000');
});
it('should create same output as bitcoind createrawtransaction wo remainder', function() {
//no remainder
var tx = getBuilder2(0.03).build();
// string output generated from: bitcoind createrawtransaction '[{"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1","vout":1},{"txid":"2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc2","vout":0} ]' '{"mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE":0.08}'
//
tx.serialize().toString('hex').should.equal('0100000002c1cf12ab89729d19d3cdec8ae531b5038d56c741006a105d532b3a7afa65c12a0100000000ffffffffc2cf12ab89729d19d3cdec8ae531b5038d56c741006a105d532b3a7afa65c12a0000000000ffffffff0100127a00000000001976a914774e603bafb717bd3f070e68bbcccfd907c77d1388ac00000000');
});
var getBuilder3 = function (outs) {
var opts = {
remainderOut: {address: 'mwZabyZXg8JzUtFX1pkGygsMJjnuqiNhgd'},
spendUnconfirmed: true,
};
var outs = outs || [{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 0.08
}];
return new TransactionBuilder(opts)
.setUnspent(testdata.dataUnspentSign.unspent)
.setOutputs(outs);
};
it('should sign a tx (case 1)', function() {
var b = getBuilder3();
b.isFullySigned().should.equal(false);
b.sign(testdata.dataUnspentSign.keyStrings);
b.isFullySigned().should.equal(true);
var tx = b.build();
tx.isComplete().should.equal(true);
tx.ins.length.should.equal(1);
tx.outs.length.should.equal(2);
});
it('should sign a tx (case 2)', function() {
var b = getBuilder3([{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 16
}])
.sign(testdata.dataUnspentSign.keyStrings);
b.isFullySigned().should.equal(true);
var tx = b.build();
tx.isComplete().should.equal(true);
tx.ins.length.should.equal(3);
tx.outs.length.should.equal(2);
});
it('should sign an incomplete tx', function() {
var keys = ['cNpW8B7XPAzCdRR9RBWxZeveSNy3meXgHD8GuhcqUyDuy8ptCDzJ'];
var outs = [{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 0.08
}];
var b = new TransactionBuilder()
.setUnspent(testdata.dataUnspentSign.unspent)
.setOutputs(outs)
.sign(keys);
b.isFullySigned().should.equal(false);
var tx = b.build();
tx.ins.length.should.equal(1);
tx.outs.length.should.equal(2);
tx.isComplete().should.equal(false);
});
it('should sign a tx in multiple steps (case1)', function() {
var b = getBuilder3([{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 16
}]);
b.isFullySigned().should.equal(false);
(b.build()).isComplete().should.equal(false);
var k1 = testdata.dataUnspentSign.keyStrings.slice(0, 1);
b.sign(k1);
b.isFullySigned().should.equal(false);
(b.build()).isComplete().should.equal(false);
var k23 = testdata.dataUnspentSign.keyStrings.slice(1, 3);
b.sign(k23);
b.isFullySigned().should.equal(true);
(b.build()).isComplete().should.equal(true);
});
it('#sign should sign a tx in multiple steps (case2)', function() {
var b = getBuilder3([{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 16
}]);
b.isFullySigned().should.equal(false);
(b.build()).isComplete().should.equal(false);
var k1 = testdata.dataUnspentSign.keyStrings.slice(0, 1);
b.sign(k1);
b.isFullySigned().should.equal(false);
(b.build()).isComplete().should.equal(false);
var k2 = testdata.dataUnspentSign.keyStrings.slice(1, 2);
b.sign(k2);
b.isFullySigned().should.equal(false);
(b.build()).isComplete().should.equal(false);
var k3 = testdata.dataUnspentSign.keyStrings.slice(2, 3);
b.sign(k3);
b.isFullySigned().should.equal(true);
(b.build()).isComplete().should.equal(true);
});
it('should generate dynamic fee and readjust (and not) the selected UTXOs (case1)', function() {
//this cases exceeds the input by 1mbtc AFTEr calculating the dynamic fee,
//so, it should trigger adding a new 10BTC utxo
//
var outs = [];
var N = 101;
for (var i = 0; i < N; i++) {
outs.push({
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 0.01
});
}
var b = getBuilder3(outs);
var tx = b.build();
tx.getSize().should.equal(3560);
// ins = 11.0101 BTC (2 inputs: 1.0101 + 10 );
parseInt(b.valueInSat.toString()).should.equal(11.0101 * util.COIN);
tx.ins.length.should.equal(2);
// outs = 101 outs + 1 remainder
tx.outs.length.should.equal(N+1);
// 3560 bytes tx -> 0.0004
b.feeSat.should.equal(0.0004 * util.COIN);
// 101 * 0.01 = 1.01BTC; + 0.0004 fee = 1.0104btc
// remainder = 11.0101-1.0104 = 9.9997
parseInt(b.remainderSat.toString()).should.equal(parseInt(9.9997 * util.COIN));
util.valueToBigInt(tx.outs[N].v).cmp(999970000).should.equal(0);
tx.isComplete().should.equal(false);
});
it('should generate dynamic fee and readjust (and not) the selected UTXOs(case2)', function() {
//this is the complementary case, it does not trigger a new utxo
var outs = [];
var N = 100;
for (var i = 0; i < N; i++) {
outs.push({
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 0.01
});
}
var b = getBuilder3(outs);
var tx = b.build();
tx.getSize().should.equal(3485);
// ins = 1.0101 BTC (1 inputs: 1.0101 );
parseInt(b.valueInSat.toString()).should.equal(1.0101 * util.COIN);
tx.ins.length.should.equal(1);
// outs = 100 outs:
// 100 * 0.01 = 1BTC; + 0.0004 fee = 1.0004btc
// remainder = 1.0101-1.0004 = 0.0097
// outs = 101 outs + 1 remainder
tx.outs.length.should.equal(N+1);
// 3560 bytes tx -> 0.0004
b.feeSat.should.equal(0.0004 * util.COIN);
// 101 * 0.01 = 1.01BTC; + 0.0004 fee = 1.0104btc
// remainder = 11.0101-1.0104 = 9.9997
parseInt(b.remainderSat.toString()).should.equal(parseInt(0.0097 * util.COIN));
util.valueToBigInt(tx.outs[N].v).cmp(970000).should.equal(0);
tx.isComplete().should.equal(false);
});
it('should sign a p2pubkey tx', function() {
var opts = {
remainderOut: {address: 'mwZabyZXg8JzUtFX1pkGygsMJjnuqiNhgd'},
};
var outs = outs || [{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 0.08
}];
var b = new TransactionBuilder(opts)
.setUnspent(testdata.dataUnspentSign.unspentPubKey)
.setOutputs(outs)
.sign(testdata.dataUnspentSign.keyStringsPubKey);
b.isFullySigned().should.equal(true);
var tx = b.build();
tx.isComplete().should.equal(true);
tx.ins.length.should.equal(1);
tx.outs.length.should.equal(2);
});
it('should sign a multisig tx', function() {
var opts = {
remainderOut: {address: 'mwZabyZXg8JzUtFX1pkGygsMJjnuqiNhgd'},
};
var outs = outs || [{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 0.08
}];
var b = new TransactionBuilder(opts)
.setUnspent(testdata.dataUnspentSign.unspentMulti)
.setOutputs(outs);
b.sign(testdata.dataUnspentSign.keyStringsMulti);
b.isFullySigned().should.equal(true);
var tx = b.build();
tx.ins.length.should.equal(1);
tx.outs.length.should.equal(2);
tx.isComplete().should.equal(true);
});
it('should sign a multisig tx in steps (3-5)', function() {
var opts = {
remainderOut: {address: 'mwZabyZXg8JzUtFX1pkGygsMJjnuqiNhgd'},
};
var outs = outs || [{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 0.08
}];
var b = new TransactionBuilder(opts)
.setUnspent(testdata.dataUnspentSign.unspentMulti)
.setOutputs(outs);
var k1 = testdata.dataUnspentSign.keyStringsMulti.slice(0,1);
var k2 = testdata.dataUnspentSign.keyStringsMulti.slice(1,2);
var k3 = testdata.dataUnspentSign.keyStringsMulti.slice(2,3);
b.sign(k1);
b.isFullySigned().should.equal(false);
b.sign(k2);
b.isFullySigned().should.equal(false);
b.sign(k3);
b.isFullySigned().should.equal(true);
var tx = b.build();
tx.ins.length.should.equal(1);
tx.outs.length.should.equal(2);
tx.isComplete().should.equal(true);
});
it('should count multisig signs (3-5)', function() {
var opts = {
remainderOut: {address: 'mwZabyZXg8JzUtFX1pkGygsMJjnuqiNhgd'},
};
var outs = outs || [{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 0.08
}];
var b = new TransactionBuilder(opts)
.setUnspent(testdata.dataUnspentSign.unspentMulti)
.setOutputs(outs);
var k1 = testdata.dataUnspentSign.keyStringsMulti.slice(0,1);
var k2 = testdata.dataUnspentSign.keyStringsMulti.slice(1,2);
var k3 = testdata.dataUnspentSign.keyStringsMulti.slice(2,3);
var tx = b.build();
b.isFullySigned().should.equal(false);
// This is cumbersome. Before sign, missing is 1. Need to be changed in the future
tx.countInputMissingSignatures(0).should.equal(1);
b.sign(['cSq7yo4fvsbMyWVN945VUGUWMaSazZPWqBVJZyoGsHmNq6W4HVBV']);
tx.countInputMissingSignatures(0).should.equal(1);
b.sign(k1);
tx.countInputMissingSignatures(0).should.equal(2);
b.isFullySigned().should.equal(false);
b.sign(k2);
tx.countInputMissingSignatures(0).should.equal(1);
b.isFullySigned().should.equal(false);
b.sign(k3);
tx.countInputMissingSignatures(0).should.equal(0);
b.isFullySigned().should.equal(true);
});
it('should avoid siging with the same key twice multisig signs (3-5)', function() {
var opts = {
remainderOut: {address: 'mwZabyZXg8JzUtFX1pkGygsMJjnuqiNhgd'},
};
var outs = outs || [{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 0.08
}];
var b = new TransactionBuilder(opts)
.setUnspent(testdata.dataUnspentSign.unspentMulti)
.setOutputs(outs);
var k1 = testdata.dataUnspentSign.keyStringsMulti.slice(0,1);
var k23 = testdata.dataUnspentSign.keyStringsMulti.slice(1,3);
var tx = b.build();
tx.countInputMissingSignatures(0).should.equal(1);
b.sign(k1);
b.isFullySigned().should.equal(false);
tx.countInputMissingSignatures(0).should.equal(2);
b.sign(k1);
b.isFullySigned().should.equal(false);
tx.countInputMissingSignatures(0).should.equal(2);
b.sign(k1);
b.isFullySigned().should.equal(false);
tx.countInputMissingSignatures(0).should.equal(2);
b.sign(k23);
b.isFullySigned().should.equal(true);
tx.countInputMissingSignatures(0).should.equal(0);
});
var getInfoForP2sh = function () {
var privs = testdata.dataUnspentSign.keyStringsP2sh;
var pubkeys = [];
privs.forEach(function(p) {
var wk = new WalletKey({network: networks.testnet});
wk.fromObj({priv: p});
pubkeys.push(bitcore.buffertools.toHex(wk.privKey.public));
});
return {
privkeys: privs,
pubkeys: pubkeys,
};
};
var getP2shBuilder = function(setMap) {
var network = 'testnet';
var opts = {
remainderOut: {address: 'mwZabyZXg8JzUtFX1pkGygsMJjnuqiNhgd'},
};
var data = getInfoForP2sh();
// multisig p2sh
var p2shOpts = {nreq:3, pubkeys:data.pubkeys, amount:0.05};
var info = TransactionBuilder.infoForP2sh(p2shOpts, network);
var outs = outs || [{
address: info.address,
amount: 0.08
}];
var b = new TransactionBuilder(opts)
.setUnspent(testdata.dataUnspentSign.unspentP2sh)
.setOutputs(outs);
if (setMap) {
var hashMap = {};
hashMap[info.address]=info.scriptBufHex;
b.setHashToScriptMap(hashMap);
}
return b;
};
it('should fail to sign a p2sh/multisign tx if none script map was given', function() {
var b = getP2shBuilder();
(function() {b.sign(testdata.dataUnspentSign.keyStringsP2sh);}).should.throw();
});
it('should sign a p2sh/multisign tx', function() {
var b = getP2shBuilder(1);
b.sign(testdata.dataUnspentSign.keyStringsP2sh);
b.isFullySigned().should.equal(true);
var tx = b.build();
tx.ins.length.should.equal(1);
tx.outs.length.should.equal(2);
tx.isComplete().should.equal(true);
});
it('should sign in steps a p2sh/multisign tx', function() {
var b = getP2shBuilder(1);
var k1 = testdata.dataUnspentSign.keyStringsP2sh.slice(0,1);
var k2 = testdata.dataUnspentSign.keyStringsP2sh.slice(1,2);
var k5 = testdata.dataUnspentSign.keyStringsP2sh.slice(4,5);
b.isFullySigned().should.equal(false);
b.sign(k1);
b.isFullySigned().should.equal(false);
var tx = b.build();
tx.ins.length.should.equal(1);
tx.outs.length.should.equal(2);
tx.isComplete().should.equal(false);
// Sign with the same
b.sign(k1);
b.isFullySigned().should.equal(false);
tx.isComplete().should.equal(false);
// Sign with k5
b.sign(k5);
///
b.isFullySigned().should.equal(false);
tx.isComplete().should.equal(false);
// Sign with same
b.sign(k5);
b.isFullySigned().should.equal(false);
tx.isComplete().should.equal(false);
// Sign k2
b.sign(k2);
b.isFullySigned().should.equal(true);
tx.isComplete().should.equal(true);
});
it('should sign in steps a p2sh/p2pubkeyhash tx', function() {
var priv = 'cMpKwGr5oxEacN95WFKNEq6tTcvi11regFwS3muHvGYVxMPJX8JA';
var network = 'testnet';
var opts = {
remainderOut: {address: 'mwZabyZXg8JzUtFX1pkGygsMJjnuqiNhgd'},
};
// p2hash/ p2sh
var p2shOpts = {address:'mgwqzy6pF5BSc72vxHBFSnnhNEBcV4TJzV', amount:0.05};
var info = TransactionBuilder.infoForP2sh(p2shOpts, network);
//addr: 2NAwCQ1jPYPrSsyBQvfP6AJ6d6SSxnHsZ4e
//hash: de09d4a9c7e53e08043efc74d14490dbcf03b0ba
//
var outs = outs || [{
address: 'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE',
amount: 0.08
}];
//info.scriptBufHex,
var s = TransactionBuilder.scriptForAddress(info.address)
.getBuffer().toString('hex');
var b = new TransactionBuilder(opts)
.setUnspent([{
"address": info.address,
"scriptPubKey": s,
"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
"vout": 1,
"amount": 1,
"confirmations":7
}])
.setOutputs(outs);
var hashMap = {};
hashMap[info.address]=info.scriptBufHex;
b.setHashToScriptMap(hashMap);
b.sign([priv]);
b.isFullySigned().should.equal(true);
var tx = b.build();
tx.ins.length.should.equal(1);
tx.outs.length.should.equal(2);
tx.isComplete().should.equal(true);
});
});

8
test/test.basic.js

@ -15,7 +15,7 @@ var Key = bitcore.Key;
function test_encode_priv(b58, payload, isTestnet, isCompressed) { function test_encode_priv(b58, payload, isTestnet, isCompressed) {
var network = isTestnet ? networks.testnet : networks.livenet; var network = isTestnet ? networks.testnet : networks.livenet;
var version = network.keySecret; var version = network.privKeyVersion;
var buf_pl = new Buffer(payload, 'hex'); var buf_pl = new Buffer(payload, 'hex');
var buf; var buf;
@ -37,7 +37,7 @@ function test_encode_priv(b58, payload, isTestnet, isCompressed) {
function test_encode_pub(b58, payload, isTestnet, addrType) { function test_encode_pub(b58, payload, isTestnet, addrType) {
var isScript = (addrType === 'script'); var isScript = (addrType === 'script');
var network = isTestnet ? networks.testnet : networks.livenet; var network = isTestnet ? networks.testnet : networks.livenet;
var version = isScript ? network.addressScript : network.addressPubkey; var version = isScript ? network.P2SHVersion : network.addressVersion;
var buf = new Buffer(payload, 'hex'); var buf = new Buffer(payload, 'hex');
var addr = new Address(version, buf); var addr = new Address(version, buf);
addr.toString().should.equal(b58); addr.toString().should.equal(b58);
@ -46,7 +46,7 @@ function test_encode_pub(b58, payload, isTestnet, addrType) {
function test_decode_priv(b58, payload, isTestnet, isCompressed) { function test_decode_priv(b58, payload, isTestnet, isCompressed) {
var network = isTestnet ? networks.testnet : networks.livenet; var network = isTestnet ? networks.testnet : networks.livenet;
var version = network.keySecret; var version = network.privKeyVersion;
var buf_pl = new Buffer(payload, 'hex'); var buf_pl = new Buffer(payload, 'hex');
var buf; var buf;
@ -65,7 +65,7 @@ function test_decode_priv(b58, payload, isTestnet, isCompressed) {
function test_decode_pub(b58, payload, isTestnet, addrType) { function test_decode_pub(b58, payload, isTestnet, addrType) {
var isScript = (addrType === 'script'); var isScript = (addrType === 'script');
var network = isTestnet ? networks.testnet : networks.livenet; var network = isTestnet ? networks.testnet : networks.livenet;
var version = isScript ? network.addressScript : network.addressPubkey; var version = isScript ? network.P2SHVersion : network.addressVersion;
var buf = new Buffer(payload, 'hex'); var buf = new Buffer(payload, 'hex');
var addr = new Address(b58); var addr = new Address(b58);

7
test/test.examples.js

@ -7,10 +7,15 @@ var unmute = require('./mute').unmute;
var examples = [ var examples = [
'Address', 'Address',
'BIP32',
'PeerManager', 'PeerManager',
'Rpc', 'Rpc',
'SendTx', 'SendTx',
'CreateAndSignTx', 'CreateScript',
'CreateKey',
'CreateAndSignTx-Multisig',
'CreateAndSignTx-PayToPubkeyHash',
'CreateAndSignTx-PayToScriptHash',
'Script', 'Script',
]; ];

116
test/test.misc.js

@ -12,6 +12,10 @@ var bignum = bitcore.bignum;
var base58 = bitcore.base58; var base58 = bitcore.base58;
var base58Check = base58.base58Check; var base58Check = base58.base58Check;
var Address = bitcore.Address;
var networks = bitcore.networks;
var WalletKey = bitcore.WalletKey;
describe('Miscelaneous stuff', function() { describe('Miscelaneous stuff', function() {
it('should initialze the config object', function() { it('should initialze the config object', function() {
should.exist(bitcore.config); should.exist(bitcore.config);
@ -19,6 +23,18 @@ describe('Miscelaneous stuff', function() {
it('should initialze the log object', function() { it('should initialze the log object', function() {
should.exist(bitcore.log); should.exist(bitcore.log);
}); });
it('should initialze the network object', function() {
should.exist(networks);
var nets = [networks.livenet, networks.testnet];
for (var i=0; i<2; i++) {
var net = nets[i];
should.exist(net.addressVersion);
should.exist(net.privKeyVersion);
should.exist(net.P2SHVersion);
should.exist(net.bip32publicVersion);
should.exist(net.bip32privateVersion);
}
});
it('should initialze the const object', function() { it('should initialze the const object', function() {
should.exist(bitcore.const); should.exist(bitcore.const);
}); });
@ -38,8 +54,8 @@ describe('Miscelaneous stuff', function() {
}); });
it('should perform basic math operations for bignum', function() { it('should perform basic math operations for bignum', function() {
var b = bignum('782910138827292261791972728324982') var b = bignum('782910138827292261791972728324982')
.sub('182373273283402171237474774728373') .sub('182373273283402171237474774728373')
.div(13); .div(13);
b.toNumber().should.equal(46195143503376160811884457968969); b.toNumber().should.equal(46195143503376160811884457968969);
}); });
@ -63,11 +79,95 @@ describe('Miscelaneous stuff', function() {
buffertools.toHex(base58.decode(datum[1])).should.equal(datum[0]); buffertools.toHex(base58.decode(datum[1])).should.equal(datum[0]);
}); });
}); });
testdata.dataBase58KeysValid.forEach(function(datum) {
var b58 = datum[0];
var hexPayload = datum[1];
var meta = datum[2];
var network = meta.isTestnet ? networks.testnet : networks.livenet;
if (meta.isPrivkey) {
describe('base58 private key valid ' + b58, function() {
var k;
var opts = {
network: network
};
before(function() {
k = new WalletKey(opts);
});
it('should generate correctly from WIF', function() {
k.fromObj({
priv: b58
});
should.exist(k.privKey);
});
it('should have compressed state', function() {
k.privKey.compressed.should.equal(meta.isCompressed);
});
it('private key should have correct payload', function() {
buffertools.toHex(k.privKey.private).should.equal(hexPayload);
});
it('should not be an Address', function() {
new Address(b58).isValid().should.equal(false);
});
it('should generate correctly from hex', function() {
var k2 = new WalletKey(opts);
k2.fromObj({
priv: hexPayload,
compressed: meta.isCompressed
});
k2.storeObj().priv.should.equal(b58);
});
});
} else {
describe('base58 address valid ' + b58, function() {
var a;
var shouldBeScript = meta.addrType === 'script';
before(function() {
a = new Address(b58);
});
it('should be valid', function() {
a.isValid().should.equal(true);
});
it('should be of correct type', function() {
a.isScript().should.equal(shouldBeScript);
});
it('should get correct network', function() {
a.network().should.equal(network);
});
it('should generate correctly from hex', function() {
var version = shouldBeScript ? network.P2SHVersion : network.addressVersion;
var b = new Address(version, new Buffer(hexPayload, 'hex'));
b.toString().should.equal(b58);
});
});
}
});
testdata.dataBase58KeysInvalid.forEach(function(datum) {
var b58 = datum[0];
it('shouldnt be able to create Address with ' + b58, function() {
var a = new Address(b58);
var invalidAddress = (!a.isValid());
invalidAddress.should.equal(true);
});
it('shouldnt be able to create WalletKey with ' + b58, function() {
var kl = new WalletKey({
network: networks.livenet
});
var kt = new WalletKey({
network: networks.livenet
});
var createLivenet = function() {
kl.fromObj({
priv: b58
});
};
var createTestnet = function() {
kt.fromObj({
priv: b58
});
};
createLivenet.should.throw();
createTestnet.should.throw();
});
});
}); });

171
test/test.sighash.js

@ -0,0 +1,171 @@
'use strict';
// inspired in bitcoin core test:
// https://github.com/bitcoin/bitcoin/blob/7d49a9173ab636d118c2a81fc3c3562192e7813a/src/test/sighash_tests.cpp
var chai = chai || require('chai');
var should = chai.should();
var bitcore = bitcore || require('../bitcore');
var Transaction = bitcore.Transaction;
var Script = bitcore.Script;
var Opcode = bitcore.Opcode;
var util = bitcore.util;
var Put = bitcore.Put;
var Put = require('bufferput');
var buffertools = require('buffertools');
var testdata = testdata || require('./testdata');
var seed = 1;
// seedable pseudo-random function
var random = function() {
var x = Math.sin(seed++) * 10000;
return x - Math.floor(x);
};
var randInt = function(low, high) {
return Math.floor(random() * (high - low + 1) + low);
};
var randUIntN = function(nBits) {
return randInt(0, Math.pow(2, nBits));
};
var randUInt32 = function() {
return randUIntN(32);
};
var randBool = function() {
return random() < 0.5;
};
var hexAlphabet = '0123456789abcdef';
var randHex = function() {
return hexAlphabet[randInt(0, 15)];
};
var randHexN = function(n) {
var s = '';
while (n--) {
s += randHex();
}
return s;
};
var randTxHash = function() {
return randHexN(64);
};
var randPick = function(list) {
return list[randInt(0, list.length - 1)];
};
var opList = Opcode.asList();
var randomScript = function() {
var s = new Script();
var ops = randInt(0, 10);
for (var i = 0; i < ops; i++) {
var op = randPick(opList);
s.writeOp(Opcode.map[op]);
}
return s;
};
var randomTx = function(single) {
var tx = new Transaction({
version: randUInt32(),
lock_time: randBool() ? randUInt32() : 0
});
var insN = randInt(1, 5);
var outsN = single ? insN : randInt(1, 5);
for (var i = 0; i < insN; i++) {
var txin = new Transaction.In({
oTxHash: randTxHash(),
oIndex: randInt(0, 4),
script: randomScript().serialize(),
sequence: randBool() ? randUInt32() : 0xffffffff
});
tx.ins.push(txin);
}
for (i = 0; i < outsN; i++) {
var txout = new Transaction.Out({
value: new Buffer(8),
script: randomScript().serialize()
});
tx.outs.push(txout);
}
return tx;
};
var oneBuffer = function() {
// bug present in bitcoind which must be also present in bitcore
// see https://bitcointalk.org/index.php?topic=260595
var ret = new Buffer(32);
ret.writeUInt8(1, 0);
for (var i=1; i<32; i++) ret.writeUInt8(0, i);
return ret; // return 1 bug
};
var signatureHashOld = function(tx, script, inIndex, hashType) {
if (+inIndex !== inIndex ||
inIndex < 0 || inIndex >= tx.ins.length) {
return oneBuffer();
}
// Check for invalid use of SIGHASH_SINGLE
var hashTypeMode = hashType & 0x1f;
if (hashTypeMode === Transaction.SIGHASH_SINGLE) {
if (inIndex >= tx.outs.length) {
return oneBuffer();
}
}
// Wrapper to serialize only the necessary parts of the transaction being signed
var serializer = new Transaction.Serializer(tx, script, inIndex, hashType);
// Serialize
var buffer = serializer.buffer();
// Append hashType
var hashBuf = new Put().word32le(hashType).buffer();
buffer = Buffer.concat([buffer, hashBuf]);
return util.twoSha256(buffer);
};
describe('Transaction sighash (#hashForSignature)', function() {
for (var i = 0; i < 250; i++) {
it('should hash correctly random tx #' + (i + 1), function() {
var tx = randomTx();
var l = tx.ins.length;
for (var i = 0; i < l; i++) {
var script = randomScript();
var hashType = randUInt32();
var h = buffertools.toHex(tx.hashForSignature(script, i, hashType));
var oh = buffertools.toHex(signatureHashOld(tx, script, i, hashType));
h.should.equal(oh);
}
});
}
testdata.dataSighash.forEach(function(datum) {
if (datum.length < 5) return;
var raw_tx = new Buffer(datum[0], 'hex');
var scriptPubKey = new Script(new Buffer(datum[1], 'hex'));
var input_index = parseInt(datum[2]);
var hashType = parseInt(datum[3]);
var sighash = buffertools.toHex(buffertools.reverse(new Buffer(datum[4],'hex')));
it('should validate correctly ' + buffertools.toHex(raw_tx), function() {
var tx = new Transaction();
tx.parse(raw_tx);
var ser_tx = buffertools.toHex(tx.serialize());
ser_tx.should.equal(buffertools.toHex(raw_tx));
var h = buffertools.toHex(tx.hashForSignature(scriptPubKey, input_index, hashType));
h.should.equal(sighash); // compare our output with bitcoind's output
});
});
});

73
test/test.util.js

@ -39,7 +39,7 @@ describe('util', function() {
describe('#ripe160', function() { describe('#ripe160', function() {
var pk = 'a5c756101065ac5b8f689139e6d856fa99e54b5000b6428b43729d334cc9277d'; var pk = 'a5c756101065ac5b8f689139e6d856fa99e54b5000b6428b43729d334cc9277d';
it('should work for ' + pk, function() { it('should work for ' + pk, function() {
var pubKeyHash = coinUtil.ripe160(new Buffer(pk,'hex')); var pubKeyHash = coinUtil.ripe160(new Buffer(pk, 'hex'));
var pkh = buffertools.toHex(pubKeyHash); var pkh = buffertools.toHex(pubKeyHash);
pkh.should.equal('d166a41f27fd4b158f70314e5eee8998bf3d97d5'); pkh.should.equal('d166a41f27fd4b158f70314e5eee8998bf3d97d5');
}); });
@ -55,6 +55,15 @@ describe('util', function() {
}); });
}); });
describe('#twoSha256', function() {
var data = new Buffer('907c2bc503ade11cc3b04eb2918b6f547b0630ab569273824748c87ea14b0696526c66ba740200000000fd1f9bdd4ef073c7afc4ae00da8a66f429c917a0081ad1e1dabce28d373eab81d8628de80200000000ad042b5f25efb33beec9f3364e8a9139e8439d9d7e26529c3c30b6c3fd89f8684cfd68ea0200000000599ac2fe02a526ed040000000008535300516352515164370e010000000003006300ab2ec2291fe51c6f', 'hex');
it('should work for ' + data, function() {
var twoSha256 = buffertools.toHex(buffertools.reverse(coinUtil.twoSha256(data)));
var expected = '31af167a6cf3f9d5f6875caa4d31704ceb0eba078d132b78dab52c3b8997317e';
twoSha256.should.equal(expected);
});
});
describe('#sha256ripe160', function() { describe('#sha256ripe160', function() {
var pk = '03d95e184cce34c3cfa58e9a277a09a7c5ed1b2a8134ea1e52887bc66fa3f47071' var pk = '03d95e184cce34c3cfa58e9a277a09a7c5ed1b2a8134ea1e52887bc66fa3f47071'
it('should work for ' + pk, function() { it('should work for ' + pk, function() {
@ -71,7 +80,7 @@ describe('util', function() {
]; ];
ripemdData.forEach(function(datum) { ripemdData.forEach(function(datum) {
it('should work for ' + datum[0], function() { it('should work for ' + datum[0], function() {
var r = coinUtil.ripe160( new bitcore.Buffer(datum[0])); var r = coinUtil.ripe160(new bitcore.Buffer(datum[0]));
buffertools.toHex(r).should.equal(datum[1]); buffertools.toHex(r).should.equal(datum[1]);
}); });
it('should work for Buffer ' + datum[0], function() { it('should work for Buffer ' + datum[0], function() {
@ -80,28 +89,41 @@ describe('util', function() {
}); });
}); });
}); });
describe('#intToBuffer', function() { describe('#intToBuffer2C', function() {
var data = [ var data = [
[0, '00'], [0, ''],
[-0, '00'], [-0, ''],
[-1, 'ff'],
[1, '01'], [1, '01'],
[-1, 'ff'],
[18, '12'], [18, '12'],
[-18, 'ee'],
[127, '7f'],
[128, '8000'],
[129, '8100'],
[4096, '0010'],
[-4096, '00f0'],
[32767, 'ff7f'],
[878082192, '90785634'], [878082192, '90785634'],
[0x01234567890, '1200000090785634'], [0x01234567890, '9078563412'],
[-4294967297, 'feffffffffffffff'], [4294967295, 'ffffffff00'],
[4294967296, '0000000001'],
[4294967297, '0100000001'],
[2147483647, 'ffffff7f'],
[-2147483647, '01000080'],
]; ];
data.forEach(function(datum) { data.forEach(function(datum) {
var integer = datum[0]; var integer = datum[0];
var result = datum[1]; var result = datum[1];
it('should work for ' + integer, function() { it('should work for ' + integer, function() {
buffertools.toHex(coinUtil.intToBuffer(integer)).should.equal(result); var buf = coinUtil.intToBuffer2C(integer);
var hex = buffertools.toHex(buf);
hex.should.equal(result);
}); });
}); });
}); });
describe('#varIntBuf', function() { describe('#varIntBuf', function() {
var data = [ var data = [
[0, '00' ], [0, '00'],
[1, '01'], [1, '01'],
[253, 'fdfd00'], [253, 'fdfd00'],
[254, 'fdfe00'], [254, 'fdfe00'],
@ -147,4 +169,35 @@ describe('util', function() {
}); });
}); });
}); });
describe('#intToBufferSM', function() {
var data = [
[0, ''],
[1, '01'],
[-1, '81'],
[2, '02'],
[-2, '82'],
[-32768, '008080'],
];
data.forEach(function(datum) {
var i = datum[0];
var hex = datum[1];
it('should work for ' + i, function() {
var result = coinUtil.intToBufferSM(i);
buffertools.toHex(result).should.equal(hex);
});
});
});
describe('#calcDifficulty', function() {
var bitsgenesis = 486604799;
it('should work for the bits from the genesis block; ' + bitsgenesis, function() {
var difficulty = coinUtil.calcDifficulty(bitsgenesis);
difficulty.should.equal(1);
});
var randomotherbits = 419476394;
it('should work for the bits in a randomly chosen block, eg [00000000000000001fef2bbc6da9b65e16f9187b7d88f15a308490bf2c9b8e1d] ' + randomotherbits, function() {
var difficulty = coinUtil.calcDifficulty(randomotherbits);
difficulty.should.equal(6119726089);
});
});
}); });

15
test/testdata.js

@ -7,8 +7,13 @@ var dataTxValid = JSON.parse(fs.readFileSync('test/data/tx_valid.json'));
var dataTxInvalid = JSON.parse(fs.readFileSync('test/data/tx_invalid.json')); var dataTxInvalid = JSON.parse(fs.readFileSync('test/data/tx_invalid.json'));
var dataScriptValid = JSON.parse(fs.readFileSync('test/data/script_valid.json')); var dataScriptValid = JSON.parse(fs.readFileSync('test/data/script_valid.json'));
var dataScriptInvalid = JSON.parse(fs.readFileSync('test/data/script_invalid.json')); var dataScriptInvalid = JSON.parse(fs.readFileSync('test/data/script_invalid.json'));
var dataUnspent = JSON.parse(fs.readFileSync('test/data/unspent.json'));
var dataUnspentSign = JSON.parse(fs.readFileSync('test/data/unspentSign.json'));
var dataSigCanonical = JSON.parse(fs.readFileSync('test/data/sig_canonical.json')); var dataSigCanonical = JSON.parse(fs.readFileSync('test/data/sig_canonical.json'));
var dataSigNonCanonical = JSON.parse(fs.readFileSync('test/data/sig_noncanonical.json')); var dataSigNonCanonical = JSON.parse(fs.readFileSync('test/data/sig_noncanonical.json'));
var dataBase58KeysValid = JSON.parse(fs.readFileSync('test/data/base58_keys_valid.json'));
var dataBase58KeysInvalid = JSON.parse(fs.readFileSync('test/data/base58_keys_invalid.json'));
var dataSighash = JSON.parse(fs.readFileSync('test/data/sighash.json'));
module.exports.dataValid = dataValid; module.exports.dataValid = dataValid;
module.exports.dataInvalid = dataInvalid; module.exports.dataInvalid = dataInvalid;
@ -18,6 +23,14 @@ module.exports.dataTxInvalid = dataTxInvalid;
module.exports.dataScriptValid = dataScriptValid; module.exports.dataScriptValid = dataScriptValid;
module.exports.dataScriptInvalid = dataScriptInvalid; module.exports.dataScriptInvalid = dataScriptInvalid;
module.exports.dataScriptAll = dataScriptValid.concat(dataScriptInvalid); module.exports.dataScriptAll = dataScriptValid.concat(dataScriptInvalid);
module.exports.dataUnspent = dataUnspent;
module.exports.dataUnspentSign = dataUnspentSign;
module.exports.dataSigCanonical = dataSigCanonical; module.exports.dataSigCanonical = dataSigCanonical;
module.exports.dataSigNonCanonical = dataSigNonCanonical; module.exports.dataSigNonCanonical = dataSigNonCanonical;
module.exports.dataBase58KeysValid = dataBase58KeysValid;
module.exports.dataBase58KeysInvalid = dataBase58KeysInvalid;
module.exports.dataSighash = dataSighash;
var buffer = new Buffer(fs.readFileSync('test/data/blk86756-testnet.dat'));
module.exports.dataRawBlock = buffer;

8
util/error.js

@ -9,7 +9,8 @@ function MissingSourceError(msg, missingTxHash) {
// TODO: Since this happens in normal operation, perhaps we should // TODO: Since this happens in normal operation, perhaps we should
// avoid generating a whole stack trace. // avoid generating a whole stack trace.
Error.call(this); Error.call(this);
Error.captureStackTrace(this, arguments.callee); // This is not compatible with firefox.
// Error.captureStackTrace(this, arguments.callee);
this.message = msg; this.message = msg;
this.missingTxHash = missingTxHash; this.missingTxHash = missingTxHash;
this.name = 'MissingSourceError'; this.name = 'MissingSourceError';
@ -19,6 +20,7 @@ MissingSourceError.prototype.__proto__ = Error.prototype;
exports.MissingSourceError = MissingSourceError; exports.MissingSourceError = MissingSourceError;
/** /**
* Used in several places to indicate invalid data. * Used in several places to indicate invalid data.
* *
@ -29,7 +31,9 @@ function VerificationError(msg, missingTxHash) {
// TODO: Since this happens in normal operation, perhaps we should // TODO: Since this happens in normal operation, perhaps we should
// avoid generating a whole stack trace. // avoid generating a whole stack trace.
Error.call(this); Error.call(this);
Error.captureStackTrace(this, arguments.callee);
// This is not compatible with firefox.
// Error.captureStackTrace(this, arguments.callee);
this.message = msg; this.message = msg;
this.missingTxHash = missingTxHash; this.missingTxHash = missingTxHash;
this.name = 'VerificationError'; this.name = 'VerificationError';

290
util/util.js

@ -1,54 +1,65 @@
var crypto = require('crypto'); var crypto = require('crypto');
var bignum = require('bignum'); var bignum = require('bignum');
var Binary = require('binary'); var Binary = require('binary');
var Put = require('bufferput'); var Put = require('bufferput');
var buffertools = require('buffertools'); var buffertools = require('buffertools');
var jssha = require('jssha');
var browser; var browser;
if (!process.versions) { var inBrowser = !process.versions;
// browser version if (inBrowser) {
browser = require('../browser/vendor-bundle.js'); browser = require('../browser/vendor-bundle.js');
} }
var sha256 = exports.sha256 = function (data) { var sha256 = exports.sha256 = function(data) {
return new Buffer(crypto.createHash('sha256').update(data).digest('binary'), 'binary'); return new Buffer(crypto.createHash('sha256').update(data).digest('binary'), 'binary');
}; };
var sha512hmac = exports.sha512hmac = function (data, key) {
if (inBrowser) {
var j = new jssha(data.toString('hex'), 'HEX');
var hash = j.getHMAC(key.toString('hex'), "HEX", "SHA-512", "HEX");
hash = new Buffer(hash, 'hex');
return hash;
};
var hmac = crypto.createHmac('sha512', key);
var hash = hmac.update(data).digest();
return hash;
};
var ripe160 = exports.ripe160 = function (data) { var ripe160 = exports.ripe160 = function (data) {
if (!Buffer.isBuffer(data)) { if (!Buffer.isBuffer(data)) {
throw new Error('arg should be a buffer'); throw new Error('arg should be a buffer');
} }
if (inBrowser) {
if (!process.versions) {
var w = new browser.crypto31.lib.WordArray.init(Crypto.util.bytesToWords(data), data.length); var w = new browser.crypto31.lib.WordArray.init(Crypto.util.bytesToWords(data), data.length);
var wordArray = browser.crypto31.RIPEMD160(w); var wordArray = browser.crypto31.RIPEMD160(w);
var words = wordArray.words; var words = wordArray.words;
var answer = []; var answer = [];
for (var b = 0; b < words.length * 32; b += 8) { for (var b = 0; b < words.length * 32; b += 8) {
answer.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF); answer.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF);
} }
return new Buffer(answer, 'hex'); return new Buffer(answer, 'hex');
} }
return new Buffer(crypto.createHash('rmd160').update(data).digest('binary'), 'binary'); return new Buffer(crypto.createHash('rmd160').update(data).digest('binary'), 'binary');
}; };
var sha1 = exports.sha1 = function (data) { var sha1 = exports.sha1 = function(data) {
return new Buffer(crypto.createHash('sha1').update(data).digest('binary'), 'binary'); return new Buffer(crypto.createHash('sha1').update(data).digest('binary'), 'binary');
}; };
var twoSha256 = exports.twoSha256 = function (data) { var twoSha256 = exports.twoSha256 = function(data) {
return sha256(sha256(data)); return sha256(sha256(data));
}; };
var sha256ripe160 = exports.sha256ripe160 = function (data) { var sha256ripe160 = exports.sha256ripe160 = function(data) {
return ripe160(sha256(data)); return ripe160(sha256(data));
}; };
/** /**
* Format a block hash like the official client does. * Format a block hash like the official client does.
*/ */
var formatHash = exports.formatHash = function (hash) { var formatHash = exports.formatHash = function(hash) {
var hashEnd = new Buffer(10); var hashEnd = new Buffer(10);
hash.copy(hashEnd, 0, 22, 32); hash.copy(hashEnd, 0, 22, 32);
return buffertools.reverse(hashEnd).toString('hex'); return buffertools.reverse(hashEnd).toString('hex');
@ -57,7 +68,7 @@ var formatHash = exports.formatHash = function (hash) {
/** /**
* Display the whole hash, as hex, in correct endian order. * Display the whole hash, as hex, in correct endian order.
*/ */
var formatHashFull = exports.formatHashFull = function (hash) { var formatHashFull = exports.formatHashFull = function(hash) {
var copy = new Buffer(hash.length); var copy = new Buffer(hash.length);
hash.copy(copy); hash.copy(copy);
var hex = buffertools.toHex(buffertools.reverse(copy)); var hex = buffertools.toHex(buffertools.reverse(copy));
@ -69,13 +80,13 @@ var formatHashFull = exports.formatHashFull = function (hash) {
* *
* Formats a block hash by removing leading zeros and truncating to 10 characters. * Formats a block hash by removing leading zeros and truncating to 10 characters.
*/ */
var formatHashAlt = exports.formatHashAlt = function (hash) { var formatHashAlt = exports.formatHashAlt = function(hash) {
var hex = formatHashFull(hash); var hex = formatHashFull(hash);
hex = hex.replace(/^0*/, ''); hex = hex.replace(/^0*/, '');
return hex.substr(0, 10); return hex.substr(0, 10);
}; };
var formatBuffer = exports.formatBuffer = function (buffer, maxLen) { var formatBuffer = exports.formatBuffer = function(buffer, maxLen) {
// Calculate amount of bytes to display // Calculate amount of bytes to display
if (maxLen === null) { if (maxLen === null) {
maxLen = 10; maxLen = 10;
@ -96,98 +107,191 @@ var formatBuffer = exports.formatBuffer = function (buffer, maxLen) {
return output; return output;
}; };
var valueToBigInt = exports.valueToBigInt = function (valueBuffer) { var valueToBigInt = exports.valueToBigInt = function(valueBuffer) {
if (Buffer.isBuffer(valueBuffer)) { if (Buffer.isBuffer(valueBuffer)) {
return bignum.fromBuffer(valueBuffer, {endian: 'little', size: 8}); return bignum.fromBuffer(valueBuffer, {
endian: 'little',
size: 8
});
} else { } else {
return valueBuffer; return valueBuffer;
} }
}; };
var bigIntToValue = exports.bigIntToValue = function (valueBigInt) { var bigIntToValue = exports.bigIntToValue = function(valueBigInt) {
if (Buffer.isBuffer(valueBigInt)) { if (Buffer.isBuffer(valueBigInt)) {
return valueBigInt; return valueBigInt;
} else { } else {
return valueBigInt.toBuffer({endian: 'little', size: 8}); return valueBigInt.toBuffer({
endian: 'little',
size: 8
});
} }
}; };
var intTo64Bits = function(integer) {
return {
hi: Math.floor(integer / 4294967296),
lo: (integer & 0xFFFFFFFF) >>> 0
};
};
var fitsInNBits = function(integer, n) { var fitsInNBits = function(integer, n) {
// TODO: make this efficient!!! // TODO: make this efficient!!!
return integer.toString(2).replace('-','').length < n; return integer.toString(2).replace('-', '').length < n;
};
exports.bytesNeededToStore = bytesNeededToStore = function(integer) {
if (integer === 0) return 0;
return Math.ceil(((integer).toString(2).replace('-', '').length + 1) / 8);
};
exports.negativeBuffer = negativeBuffer = function(b) {
// implement two-complement negative
var c = new Buffer(b.length);
// negate each byte
for (var i = 0; i < b.length; i++) {
c[i] = ~b[i];
if (c[i] < 0) c[i] += 256;
}
// add one
for (var i = b.length - 1; i >= 0; i--) {
c[i] += 1;
if (c[i] >= 256) c[i] -= 256;
if (c[i] !== 0) break;
}
return c;
};
/*
* Transforms an integer into a buffer using two-complement encoding
* For example, 1 is encoded as 01 and -1 is encoded as ff
* For more info see:
* http://en.wikipedia.org/wiki/Signed_number_representations#Two.27s_complement
*/
exports.intToBuffer2C = function(integer) {
var size = bytesNeededToStore(integer);
var buf = new Put();
var s = integer.toString(16);
var neg = s[0] === '-';
s = s.replace('-', '');
for (var i = 0; i < size; i++) {
var si = s.substring(s.length - 2 * (i + 1), s.length - 2 * (i));
if (si.lenght === 1) {
si = '0' + si;
}
var pi = parseInt(si, 16);
buf.word8(pi);
}
var ret = buf.buffer();
if (neg) {
ret = buffertools.reverse(ret);
ret = negativeBuffer(ret);
ret = buffertools.reverse(ret);
}
return ret;
};
var padSign = function(b) {
var c;
if (b[0] & 0x80) {
c = new Buffer(b.length + 1);
b.copy(c, 1);
c[0] = 0;
} else {
c = b;
}
return c;
} }
exports.intToBuffer = function(integer) {
var data = null;
if (fitsInNBits(integer, 8)) { /*
data = new Buffer(1); * Transforms an integer into a buffer using sign+magnitude encoding
data.writeInt8(integer, 0); * For example, 1 is encoded as 01 and -1 is encoded as 81
return data; * For more info see:
} else if (fitsInNBits(integer, 16)) { * http://en.wikipedia.org/wiki/Signed_number_representations#Signed_magnitude_representation
data = new Buffer(2); */
data.writeInt16LE(integer, 0); exports.intToBufferSM = function(v) {
return data; if ("number" === typeof v) {
} else if (fitsInNBits(integer, 32)) { v = bignum(v);
data = new Buffer(4); }
data.writeInt32LE(integer, 0); var b, c;
return data; var cmp = v.cmp(0);
if (cmp > 0) {
b = v.toBuffer();
c = padSign(b);
c = buffertools.reverse(c);
} else if (cmp == 0) {
c = new Buffer([]);
} else { } else {
var x = intTo64Bits(integer); b = v.neg().toBuffer();
data = new Buffer(8); c = padSign(b);
data.writeInt32LE(x.hi, 0); // high part contains sign information (signed) c[0] |= 0x80;
data.writeUInt32LE(x.lo, 4); // low part encoded as unsigned integer c = buffertools.reverse(c);
return data;
} }
return c;
}; };
var formatValue = exports.formatValue = function (valueBuffer) { /*
* Reverse of intToBufferSM
*/
exports.bufferSMToInt = function(v) {
if (!v.length) {
return bignum(0);
}
// Arithmetic operands must be in range [-2^31...2^31]
if (v.length > 4) {
throw new Error('Bigint cast overflow (> 4 bytes)');
}
var w = new Buffer(v.length);
v.copy(w);
w = buffertools.reverse(w);
var isNeg = w[0] & 0x80;
if (isNeg) {
w[0] &= 0x7f;
return bignum.fromBuffer(w).neg();
} else {
return bignum.fromBuffer(w);
}
};
var formatValue = exports.formatValue = function(valueBuffer) {
var value = valueToBigInt(valueBuffer).toString(); var value = valueToBigInt(valueBuffer).toString();
var integerPart = value.length > 8 ? value.substr(0, value.length-8) : '0'; var integerPart = value.length > 8 ? value.substr(0, value.length - 8) : '0';
var decimalPart = value.length > 8 ? value.substr(value.length-8) : value; var decimalPart = value.length > 8 ? value.substr(value.length - 8) : value;
while (decimalPart.length < 8) { while (decimalPart.length < 8) {
decimalPart = "0"+decimalPart; decimalPart = "0" + decimalPart;
} }
decimalPart = decimalPart.replace(/0*$/, ''); decimalPart = decimalPart.replace(/0*$/, '');
while (decimalPart.length < 2) { while (decimalPart.length < 2) {
decimalPart += "0"; decimalPart += "0";
} }
return integerPart+"."+decimalPart; return integerPart + "." + decimalPart;
}; };
var reFullVal = /^\s*(\d+)\.(\d+)/; var reFullVal = /^\s*(\d+)\.(\d+)/;
var reFracVal = /^\s*\.(\d+)/; var reFracVal = /^\s*\.(\d+)/;
var reWholeVal = /^\s*(\d+)/; var reWholeVal = /^\s*(\d+)/;
function padFrac(frac) function padFrac(frac) {
{ frac = frac.substr(0, 8); //truncate to 8 decimal places
frac=frac.substr(0,8); //truncate to 8 decimal places
while (frac.length < 8) while (frac.length < 8)
frac = frac + '0'; frac = frac + '0';
return frac; return frac;
} }
function parseFullValue(res) function parseFullValue(res) {
{
return bignum(res[1]).mul('100000000').add(padFrac(res[2])); return bignum(res[1]).mul('100000000').add(padFrac(res[2]));
} }
function parseFracValue(res) function parseFracValue(res) {
{
return bignum(padFrac(res[1])); return bignum(padFrac(res[1]));
} }
function parseWholeValue(res) function parseWholeValue(res) {
{
return bignum(res[1]).mul('100000000'); return bignum(res[1]).mul('100000000');
} }
exports.parseValue = function parseValue(valueStr) exports.parseValue = function parseValue(valueStr) {
{ if (typeof valueStr !== 'string')
valueStr = valueStr.toString();
var res = valueStr.match(reFullVal); var res = valueStr.match(reFullVal);
if (res) if (res)
return parseFullValue(res); return parseFullValue(res);
@ -204,11 +308,11 @@ exports.parseValue = function parseValue(valueStr)
}; };
// Utility that synchronizes function calls based on a key // Utility that synchronizes function calls based on a key
var createSynchrotron = exports.createSynchrotron = function (fn) { var createSynchrotron = exports.createSynchrotron = function(fn) {
var table = {}; var table = {};
return function (key) { return function(key) {
var args = Array.prototype.slice.call(arguments); var args = Array.prototype.slice.call(arguments);
var run = function () { var run = function() {
// Function fn() will call when it finishes // Function fn() will call when it finishes
args[0] = function next() { args[0] = function next() {
if (table[key]) { if (table[key]) {
@ -241,21 +345,23 @@ var createSynchrotron = exports.createSynchrotron = function (fn) {
* *
* @returns Buffer random nonce * @returns Buffer random nonce
*/ */
var generateNonce = exports.generateNonce = function () { var generateNonce = exports.generateNonce = function() {
var b32 = 0x100000000, ff = 0xff; var b32 = 0x100000000,
var b = new Buffer(8), i = 0; ff = 0xff;
var b = new Buffer(8),
i = 0;
// Generate eight random bytes // Generate eight random bytes
r = Math.random()*b32; r = Math.random() * b32;
b[i++] = r & ff; b[i++] = r & ff;
b[i++] = (r=r>>>8) & ff; b[i++] = (r = r >>> 8) & ff;
b[i++] = (r=r>>>8) & ff; b[i++] = (r = r >>> 8) & ff;
b[i++] = (r=r>>>8) & ff; b[i++] = (r = r >>> 8) & ff;
r = Math.random()*b32; r = Math.random() * b32;
b[i++] = r & ff; b[i++] = r & ff;
b[i++] = (r=r>>>8) & ff; b[i++] = (r = r >>> 8) & ff;
b[i++] = (r=r>>>8) & ff; b[i++] = (r = r >>> 8) & ff;
b[i++] = (r=r>>>8) & ff; b[i++] = (r = r >>> 8) & ff;
return b; return b;
}; };
@ -265,10 +371,19 @@ var generateNonce = exports.generateNonce = function () {
* *
* This function calculates the difficulty target given the difficulty bits. * This function calculates the difficulty target given the difficulty bits.
*/ */
var decodeDiffBits = exports.decodeDiffBits = function (diffBits, asBigInt) { var decodeDiffBits = exports.decodeDiffBits = function(diffBits, asBigInt) {
diffBits = +diffBits; diffBits = +diffBits;
var target = bignum(diffBits & 0xffffff); var target = bignum(diffBits & 0xffffff);
target = target.shiftLeft(8*((diffBits >>> 24) - 3)); /*
* shiftLeft is not implemented on the bignum browser
*
* target = target.shiftLeft(8*((diffBits >>> 24) - 3));
*/
var mov = 8*((diffBits >>> 24) - 3);
while (mov-- > 0)
target = target.mul(2);
if (asBigInt) { if (asBigInt) {
return target; return target;
@ -278,7 +393,7 @@ var decodeDiffBits = exports.decodeDiffBits = function (diffBits, asBigInt) {
var diffBuf = target.toBuffer(); var diffBuf = target.toBuffer();
var targetBuf = new Buffer(32); var targetBuf = new Buffer(32);
buffertools.fill(targetBuf, 0); buffertools.fill(targetBuf, 0);
diffBuf.copy(targetBuf, 32-diffBuf.length); diffBuf.copy(targetBuf, 32 - diffBuf.length);
return targetBuf; return targetBuf;
}; };
@ -301,8 +416,8 @@ var encodeDiffBits = exports.encodeDiffBits = function encodeDiffBits(target) {
var compact = size << 24; var compact = size << 24;
if (size >= 1) compact |= mpiBuf[4] << 16; if (size >= 1) compact |= mpiBuf[4] << 16;
if (size >= 2) compact |= mpiBuf[5] << 8; if (size >= 2) compact |= mpiBuf[5] << 8;
if (size >= 3) compact |= mpiBuf[6] ; if (size >= 3) compact |= mpiBuf[6];
return compact; return compact;
}; };
@ -313,16 +428,20 @@ var encodeDiffBits = exports.encodeDiffBits = function encodeDiffBits(target) {
* This function calculates the maximum difficulty target divided by the given * This function calculates the maximum difficulty target divided by the given
* difficulty target. * difficulty target.
*/ */
var calcDifficulty = exports.calcDifficulty = function (target) { var calcDifficulty = exports.calcDifficulty = function(target) {
if (!Buffer.isBuffer(target)) { if (!Buffer.isBuffer(target)) {
target = decodeDiffBits(target); target = decodeDiffBits(target);
} }
var targetBigint = bignum.fromBuffer(target, {order: 'forward'}); var targetBigint = bignum.fromBuffer(target, {
var maxBigint = bignum.fromBuffer(MAX_TARGET, {order: 'forward'}); order: 'forward'
});
var maxBigint = bignum.fromBuffer(MAX_TARGET, {
order: 'forward'
});
return maxBigint.div(targetBigint).toNumber(); return maxBigint.div(targetBigint).toNumber();
}; };
var reverseBytes32 = exports.reverseBytes32 = function (data) { var reverseBytes32 = exports.reverseBytes32 = function(data) {
if (data.length % 4) { if (data.length % 4) {
throw new Error("Util.reverseBytes32(): Data length must be multiple of 4"); throw new Error("Util.reverseBytes32(): Data length must be multiple of 4");
} }
@ -335,6 +454,7 @@ var reverseBytes32 = exports.reverseBytes32 = function (data) {
return put.buffer(); return put.buffer();
}; };
var getVarIntSize = exports.getVarIntSize = function getVarIntSize(i) { var getVarIntSize = exports.getVarIntSize = function getVarIntSize(i) {
if (i < 253) { if (i < 253) {
@ -390,4 +510,4 @@ exports.INT64_MAX = INT64_MAX;
// makes 1 BTC // makes 1 BTC
exports.COIN = 100000000; exports.COIN = 100000000;
exports.MAX_TARGET = new Buffer('00000000FFFF0000000000000000000000000000000000000000000000000000', 'hex'); var MAX_TARGET = exports.MAX_TARGET = new Buffer('00000000FFFF0000000000000000000000000000000000000000000000000000', 'hex');

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