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bitcoincashjs
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updated interfase to create: create and createAndSign

patch-2
Matias Alejo Garcia 11 years ago
parent
eb8763ac9f
commit
aab52ad229
4 changed files with 209 additions and 305 deletions
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  1. 81
      README.md
  2. 143
      Transaction.js
  3. 201
      examples/CreateAndSignTx.js
  4. 89
      test/test.Transaction.js

81
README.md
View File

@ -130,54 +130,53 @@ var bitcore = require('bitcore');
var networks = bitcore.networks;
var Peer = bitcore.Peer;
var Transaction = bitcore.Transaction;
var Address = bitcore.Address;
var Script = bitcore.Script;
var coinUtil = bitcore.util;
var PeerManager = require('soop').load('../PeerManager', {
network: networks.testnet
});
var createTx = function() {
var TXIN = 'd05f35e0bbc495f6dcab03e599c8f5e32a07cdb4bc76964de201d06a2a7d8265';
var TXIN_N = 0;
var ADDR = 'muHct3YZ9Nd5Pq7uLYYhXRAxeW4EnpcaLz';
var VAL = '0.001';
var txobj = {
version: 1,
lock_time: 0,
ins: [],
outs: []
};
var txin = {
s: coinUtil.EMPTY_BUFFER, // Add signature
q: 0xffffffff
};
var hash = new Buffer(TXIN.split('').reverse(), 'hex');
var vout = parseInt(TXIN_N);
var voutBuf = new Buffer(4);
voutBuf.writeUInt32LE(vout, 0);
txin.o = Buffer.concat([hash, voutBuf]);
txobj.ins.push(txin);
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);
// this can be get from insight.bitcore.io API o blockchain.info
var utxos = {
"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
},
};
//private keys in WIF format (see Transaction.js for other options)
var keys = [
"cSq7yo4fvsbMyWVN945VUGUWMaSazZPWqBVJZyoGsHmNq6W4HVBV",
"cPa87VgwZfowGZYaEenoQeJgRfKW6PhZ1R65EHTkN1K19cSvc92G",
"cPQ9DSbBRLva9av5nqeF5AGrh3dsdW8p2E5jS4P8bDWZAoQTeeKB"
];
function createTx() {
var outs = [{address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:0.08}];
var ret = Transaction.createAndSign(utxos, outs, keys);
/ * create and signing can be done in 2 steps using:
* var ret = Transaction.create(utxos,outs);
* and later:
* ret.tx.sign(ret.tx.selectedUtxos, outs, keys);
*/
return ret.tx.serialize().toString('hex');
};
var peerman = new PeerManager();
peerman.addPeer(new Peer('127.0.0.1', 18333));

143
Transaction.js
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@ -778,10 +778,16 @@ Transaction._sumOutputs = function(outs) {
return valueOutSat;
}
Transaction.prepare = function (ins, outs, opts) {
/*
* createWithFee
* Create a TX given ins (selected already), outs, and a FIXED fee
* details on the input on .create
*/
Transaction.createWithFee = function (ins, outs, feeSat, opts) {
opts = opts || {};
feeSat = feeSat || 0;
var feeSat = opts.feeSat || (opts.fee? util.parseValue(opts.fee) : FEE_PER_1000B_SAT );
var txobj = {};
txobj.version = 1;
txobj.lock_time = opts.lockTime || 0;
@ -981,18 +987,74 @@ Transaction.prototype.sign = function (selectedUtxos, keys, opts) {
self.ins[i].s = scriptSig.getBuffer();
inputSigned++;
}
var complete = inputSigned === l;
return complete;
};
/*
* create
*
* creates a transaction without signing it.
*
* @utxos
* @outs
* @opts
*
* See createAndSign for documentation on the inputs
*
* Returns:
* { tx: {}, selectedUtxos: []}
* see createAndSign for details
*
*/
Transaction.create = function (utxos, outs, opts) {
//starting size estimation
var size = 500;
var opts = opts || {};
var givenFeeSat;
if (opts.fee || opts.feeSat) {
givenFeeSat = opts.fee ? opts.fee * util.COIN : opts.feeSat;
}
var selectedUtxos;
do {
// based on https://en.bitcoin.it/wiki/Transaction_fees
maxSizeK = parseInt(size/1000) + 1;
var feeSat = givenFeeSat
? givenFeeSat : maxSizeK * FEE_PER_1000B_SAT ;
var valueOutSat = Transaction
._sumOutputs(outs)
.add(feeSat);
selectedUtxos = Transaction
.selectUnspent(utxos,valueOutSat / util.COIN, opts.allowUnconfirmed);
if (!selectedUtxos) {
throw new Error(
'the given UTXOs dont sum up the given outputs: '
+ valueOutSat.toString()
+ ' (fee is ' + feeSat
+ ' )SAT'
);
}
var tx = Transaction.createWithFee(selectedUtxos, outs, feeSat, {
remainderAddress: opts.remainderAddress,
lockTime: opts.lockTime,
});
size = tx.getSize();
} while (size > (maxSizeK+1)*1000 );
return {tx: tx, selectedUtxos: selectedUtxos};
};
/*
* create
* createAndSign
*
* creates and signs a transaction
*
@ -1031,66 +1093,33 @@ Transaction.prototype.sign = function (selectedUtxos, keys, opts) {
* signhash: SIGHASH_ALL
* }
*
*
* Retuns:
* {
* tx: The new created transaction,
* selectedUtxos: The UTXOs selected as inputs for this transaction
* }
*
* Amounts are in BTC. instead of fee and amount; feeSat and amountSat can be given,
* repectively, to provide amounts in satoshis.
*
* If no remainderAddress is given, and there is a remainderAddress
* first in address will be used. (TODO: is this is reasonable?)
* If no remainderAddress is given, and there are remainder coins, the
* first IN address will be used to return the coins. (TODO: is this is reasonable?)
*
* if not keys are provided, the transaction will no be signed. .sign can be used to
* sign it later.
*
* The Transaction creation is handled in 3 steps:
* .selectUnspent
* .prepare
* The Transaction creation is handled in 2 steps:
* .create
* .selectUnspent
* .createWithFee
* .sign
*
* If you need just to create a TX and not sign it, use .create
*
*/
Transaction.create = function (utxos, outs, keys, opts) {
//starting size estimation
var size = 500;
var opts = opts || {};
var givenFeeSat;
if (opts.fee || opts.feeSat) {
givenFeeSat = opts.fee ? opts.fee * util.COIN : opts.feeSat;
}
do {
// based on https://en.bitcoin.it/wiki/Transaction_fees
maxSizeK = parseInt(size/1000) + 1;
var feeSat = givenFeeSat
? givenFeeSat : maxSizeK * FEE_PER_1000B_SAT ;
var valueOutSat = Transaction
._sumOutputs(outs)
.add(feeSat);
var selectedUtxos = Transaction
.selectUnspent(utxos,valueOutSat / util.COIN, opts.allowUnconfirmed);
if (!selectedUtxos) {
throw new Error(
'the given UTXOs dont sum up the given outputs: '
+ valueOutSat.toString()
+ ' (fee is ' + feeSat
+ ' )SAT'
);
}
var tx = Transaction.prepare(selectedUtxos, outs, {
feeSat: feeSat,
remainderAddress: opts.remainderAddress,
lockTime: opts.lockTime,
});
size = tx.getSize();
} while (size > (maxSizeK+1)*1000 );
if (keys) tx.sign(selectedUtxos, keys);
return tx;
Transaction.createAndSign = function (utxos, outs, keys, opts) {
var ret = Transaction.create(utxos, outs, opts);
ret.tx.sign(ret.selectedUtxos, keys);
return ret;
};
var TransactionInputsCache = exports.TransactionInputsCache =

201
examples/CreateAndSignTx.js
View File

@ -8,195 +8,34 @@ var run = function() {
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,
var utxos = [{
address: "mqSjTad2TKbPcKQ3Jq4kgCkKatyN44UMgZ",
txid: "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1",
vout: 1,
ts: 1394719301,
scriptPubKey: "76a9146ce4e1163eb18939b1440c42844d5f0261c0338288ac",
amount: 0.01,
confirmations: 2
}];
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('TX Data: BTC:' + amt + ' => '+ toAddress + ', change To:' + changeAddressString ) ;
console.log('Unspends Outputs:', utxos);
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 outs = [{address:toAddress, amount:amt}];
var keys = [priv];
var scriptSig = new Script();
scriptSig.chunks.push(sig);
scriptSig.chunks.push(wKey.privKey.public);
scriptSig.updateBuffer();
tx.ins[i].s = scriptSig.getBuffer();
allFound--;
break;
}
}
}
var ret = bitcore.Transaction.createAndSign(utxos, outs, keys,
{remainderAddress: changeAddressString});
if (allFound !== 0) {
throw new Error('could not find priv key for some inputs');
}
/* create and signing can be done in 2 steps using:
* var ret = Transaction.create(utxos,outs);
* and later:
* ret.tx.sign(ret.tx.selectedUtxos, outs, keys);
*/
var txHex = tx.serialize().toString('hex');
var txHex = ret.tx.serialize().toString('hex');
console.log('TX HEX IS: ', txHex);
};

89
test/test.Transaction.js
View File

@ -86,8 +86,13 @@ describe('Transaction', function() {
it('#create should be able to create instance', function() {
var utxos =testdata.dataUnspent;
var outs = [{address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:0.08}];
var tx = Transaction.create(utxos, outs, null, opts);
should.exist(tx);
var ret = Transaction.create(utxos, outs, opts);
should.exist(ret.tx);
should.exist(ret.selectedUtxos);
ret.selectedUtxos.length.should.equal(2);
var tx = ret.tx;
tx.version.should.equal(1);
tx.ins.length.should.equal(2);
@ -105,11 +110,11 @@ describe('Transaction', function() {
var outs = [{address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:80}];
Transaction
.create
.bind(utxos, outs, null, opts)
.bind(utxos, outs, opts)
.should.throw();
var outs2 = [{address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:0.5}];
should.exist( Transaction.create(utxos, outs2, null, opts));
should.exist( Transaction.create(utxos, outs2, opts));
// do not allow unconfirmed
Transaction.create.bind(utxos, outs2).should.throw();
@ -119,66 +124,96 @@ describe('Transaction', function() {
it('#create should create same output as bitcoind createrawtransaction ', function() {
var utxos =testdata.dataUnspent;
var outs = [{address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:0.08}];
var tx = Transaction.create(utxos, outs, null, opts);
var ret = Transaction.create(utxos, outs, opts);
var tx = ret.tx;
// 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('#create should create same output as bitcoind createrawtransaction wo remainder', function() {
var utxos =testdata.dataUnspent;
// no remainder
outs = [{address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:0.08}];
tx = Transaction.create(utxos, outs, null, {fee:0.03} );
var outs = [{address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:0.08}];
var ret = Transaction.create(utxos, outs, {fee:0.03} );
var tx = ret.tx;
// string output generated from: bitcoind createrawtransaction '[{"txid": "2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc1","vout":1},{"txid":"2ac165fa7a3a2b535d106a0041c7568d03b531e58aeccdd3199d7289ab12cfc2","vout":0} ]' '{"mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE":0.08}'
//
tx.serialize().toString('hex').should.equal('0100000002c1cf12ab89729d19d3cdec8ae531b5038d56c741006a105d532b3a7afa65c12a0100000000ffffffffc2cf12ab89729d19d3cdec8ae531b5038d56c741006a105d532b3a7afa65c12a0000000000ffffffff0100127a00000000001976a914774e603bafb717bd3f070e68bbcccfd907c77d1388ac00000000');
});
it('#sign should sign a tx', function() {
it('#createAndSign should sign a tx', function() {
var utxos =testdata.dataUnspentSign.unspent;
var outs = [{address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:0.08}];
var tx = Transaction.create(utxos, outs, testdata.dataUnspentSign.keyStrings, opts);
var ret = Transaction.createAndSign(utxos, outs, testdata.dataUnspentSign.keyStrings, opts);
var tx = ret.tx;
tx.isComplete().should.equal(true);
tx.ins.length.should.equal(1);
tx.outs.length.should.equal(2);
var outs2 = [{address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:16}];
var tx2 = Transaction.create(utxos, outs2, testdata.dataUnspentSign.keyStrings, opts);
var ret2 = Transaction.createAndSign(utxos, outs2, testdata.dataUnspentSign.keyStrings, opts);
var tx2 = ret2.tx;
tx2.isComplete().should.equal(true);
tx2.ins.length.should.equal(3);
tx2.outs.length.should.equal(2);
});
it('#sign should sign an incomplete tx ', function() {
it('#createAndSign should sign an incomplete tx ', function() {
var keys = ['cNpW8B7XPAzCdRR9RBWxZeveSNy3meXgHD8GuhcqUyDuy8ptCDzJ'];
var utxos =testdata.dataUnspentSign.unspent;
var outs = [{address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:0.08}];
var tx = Transaction.create(utxos, outs, keys, opts);
var ret = Transaction.createAndSign(utxos, outs, keys, opts);
var tx = ret.tx;
tx.ins.length.should.equal(1);
tx.outs.length.should.equal(2);
tx.isComplete().should.equal(false);
});
it('#sign should sign a tx in multiple steps', function() {
var utxos = Transaction.selectUnspent(testdata.dataUnspentSign.unspent,13, true);
it('#isComplete should return TX signature status', function() {
var keys = ['cNpW8B7XPAzCdRR9RBWxZeveSNy3meXgHD8GuhcqUyDuy8ptCDzJ'];
var utxos =testdata.dataUnspentSign.unspent;
var outs = [{address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:0.08}];
var ret = Transaction.createAndSign(utxos, outs, keys, opts);
var tx = ret.tx;
tx.isComplete().should.equal(false);
tx.sign(ret.selectedUtxos, testdata.dataUnspentSign.keyStrings);
tx.isComplete().should.equal(true);
});
it('#sign should sign a tx in multiple steps (case1)', function() {
var outs = [{address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:1.08}];
var ret = Transaction.create(testdata.dataUnspentSign.unspent, outs, opts);
var tx = ret.tx;
var selectedUtxos = ret.selectedUtxos;
var tx = Transaction.prepare(utxos, outs, opts);
var k1 = testdata.dataUnspentSign.keyStrings.slice(0,1);
tx.isComplete().should.equal(false);
tx.sign(selectedUtxos, k1).should.equal(false);
var k23 = testdata.dataUnspentSign.keyStrings.slice(1,3);
tx.sign(utxos, k1).should.equal(false);
tx.sign(utxos, k23).should.equal(true);
tx.sign(selectedUtxos, k23).should.equal(true);
tx.isComplete().should.equal(true);
});
it('#sign should sign a tx in multiple steps (case2)', function() {
var outs = [{address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:16}];
var ret = Transaction.create(testdata.dataUnspentSign.unspent, outs, opts);
var tx = ret.tx;
var selectedUtxos = ret.selectedUtxos;
var tx2 = Transaction.prepare(utxos, outs, opts);
var k1 = testdata.dataUnspentSign.keyStrings.slice(0,1);
var k2 = testdata.dataUnspentSign.keyStrings.slice(1,2);
var k3 = testdata.dataUnspentSign.keyStrings.slice(2,3);
tx2.sign(utxos, k1).should.equal(false);
tx2.sign(utxos, k2).should.equal(false);
tx2.sign(utxos, k3).should.equal(true);
tx.sign(selectedUtxos, k1).should.equal(false);
tx.sign(selectedUtxos, k2).should.equal(false);
tx.sign(selectedUtxos, k3).should.equal(true);
});
it('#create: should generate dynamic fee and readjust (and not) the selected UTXOs', function() {
it('#createAndSign: should generate dynamic fee and readjust (and not) the selected UTXOs', function() {
//this cases exceeds the input by 1mbtc AFTEr calculating the dynamic fee,
//so, it should trigger adding a new 10BTC utxo
var utxos =testdata.dataUnspentSign.unspent;
@ -188,7 +223,8 @@ describe('Transaction', function() {
outs.push({address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:0.01});
}
var tx = Transaction.create(utxos, outs, testdata.dataUnspentSign.keyStrings, opts);
var ret = Transaction.createAndSign(utxos, outs, testdata.dataUnspentSign.keyStrings, opts);
var tx = ret.tx;
tx.getSize().should.equal(3560);
// ins = 11.0101 BTC (2 inputs: 1.0101 + 10 );
@ -209,7 +245,8 @@ describe('Transaction', function() {
outs.push({address:'mrPnbY1yKDBsdgbHbS7kJ8GVm8F66hWHLE', amount:0.01});
}
var tx = Transaction.create(utxos, outs, testdata.dataUnspentSign.keyStrings, opts);
var ret = Transaction.createAndSign(utxos, outs, testdata.dataUnspentSign.keyStrings, opts);
var tx = ret.tx;
tx.getSize().should.equal(3485);
// ins = 1.0101 BTC (1 inputs: 1.0101);

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