|
|
@ -1,6 +1,6 @@ |
|
|
|
var assert = require('assert') |
|
|
|
var enforceType = require('./types') |
|
|
|
var opcodes = require('./opcodes') |
|
|
|
var ops = require('./opcodes') |
|
|
|
|
|
|
|
var ecurve = require('ecurve') |
|
|
|
var curve = ecurve.getCurveByName('secp256k1') |
|
|
@ -78,12 +78,12 @@ function isPubKeyHashInput() { |
|
|
|
|
|
|
|
function isPubKeyHashOutput() { |
|
|
|
return this.chunks.length === 5 && |
|
|
|
this.chunks[0] === opcodes.OP_DUP && |
|
|
|
this.chunks[1] === opcodes.OP_HASH160 && |
|
|
|
this.chunks[0] === ops.OP_DUP && |
|
|
|
this.chunks[1] === ops.OP_HASH160 && |
|
|
|
Buffer.isBuffer(this.chunks[2]) && |
|
|
|
this.chunks[2].length === 20 && |
|
|
|
this.chunks[3] === opcodes.OP_EQUALVERIFY && |
|
|
|
this.chunks[4] === opcodes.OP_CHECKSIG |
|
|
|
this.chunks[3] === ops.OP_EQUALVERIFY && |
|
|
|
this.chunks[4] === ops.OP_CHECKSIG |
|
|
|
} |
|
|
|
|
|
|
|
function isPubKeyInput() { |
|
|
@ -94,7 +94,7 @@ function isPubKeyInput() { |
|
|
|
function isPubKeyOutput() { |
|
|
|
return this.chunks.length === 2 && |
|
|
|
isCanonicalPubKey(this.chunks[0]) && |
|
|
|
this.chunks[1] === opcodes.OP_CHECKSIG |
|
|
|
this.chunks[1] === ops.OP_CHECKSIG |
|
|
|
} |
|
|
|
|
|
|
|
function isScriptHashInput() { |
|
|
@ -111,33 +111,33 @@ function isScriptHashInput() { |
|
|
|
|
|
|
|
function isScriptHashOutput() { |
|
|
|
return this.chunks.length === 3 && |
|
|
|
this.chunks[0] === opcodes.OP_HASH160 && |
|
|
|
this.chunks[0] === ops.OP_HASH160 && |
|
|
|
Buffer.isBuffer(this.chunks[1]) && |
|
|
|
this.chunks[1].length === 20 && |
|
|
|
this.chunks[2] === opcodes.OP_EQUAL |
|
|
|
this.chunks[2] === ops.OP_EQUAL |
|
|
|
} |
|
|
|
|
|
|
|
function isMultisigInput() { |
|
|
|
return this.chunks[0] === opcodes.OP_0 && |
|
|
|
return this.chunks[0] === ops.OP_0 && |
|
|
|
this.chunks.slice(1).every(isCanonicalSignature) |
|
|
|
} |
|
|
|
|
|
|
|
function isMultisigOutput() { |
|
|
|
if (this.chunks < 4) return false |
|
|
|
if (this.chunks[this.chunks.length - 1] !== opcodes.OP_CHECKMULTISIG) return false |
|
|
|
if (this.chunks[this.chunks.length - 1] !== ops.OP_CHECKMULTISIG) return false |
|
|
|
|
|
|
|
var mOp = this.chunks[0] |
|
|
|
if (mOp === opcodes.OP_0) return false |
|
|
|
if (mOp < opcodes.OP_1) return false |
|
|
|
if (mOp > opcodes.OP_16) return false |
|
|
|
if (mOp === ops.OP_0) return false |
|
|
|
if (mOp < ops.OP_1) return false |
|
|
|
if (mOp > ops.OP_16) return false |
|
|
|
|
|
|
|
var nOp = this.chunks[this.chunks.length - 2] |
|
|
|
if (nOp === opcodes.OP_0) return false |
|
|
|
if (nOp < opcodes.OP_1) return false |
|
|
|
if (nOp > opcodes.OP_16) return false |
|
|
|
if (nOp === ops.OP_0) return false |
|
|
|
if (nOp < ops.OP_1) return false |
|
|
|
if (nOp > ops.OP_16) return false |
|
|
|
|
|
|
|
var m = mOp - (opcodes.OP_1 - 1) |
|
|
|
var n = nOp - (opcodes.OP_1 - 1) |
|
|
|
var m = mOp - (ops.OP_1 - 1) |
|
|
|
var n = nOp - (ops.OP_1 - 1) |
|
|
|
if (n < m) return false |
|
|
|
|
|
|
|
var pubKeys = this.chunks.slice(1, -2) |
|
|
@ -147,7 +147,7 @@ function isMultisigOutput() { |
|
|
|
} |
|
|
|
|
|
|
|
function isNulldataOutput() { |
|
|
|
return this.chunks[0] === opcodes.OP_RETURN |
|
|
|
return this.chunks[0] === ops.OP_RETURN |
|
|
|
} |
|
|
|
|
|
|
|
// Standard Script Templates
|
|
|
@ -155,7 +155,7 @@ function isNulldataOutput() { |
|
|
|
function pubKeyOutput(pubKey) { |
|
|
|
return Script.fromChunks([ |
|
|
|
pubKey.toBuffer(), |
|
|
|
opcodes.OP_CHECKSIG |
|
|
|
ops.OP_CHECKSIG |
|
|
|
]) |
|
|
|
} |
|
|
|
|
|
|
@ -164,11 +164,11 @@ function pubKeyHashOutput(hash) { |
|
|
|
enforceType('Buffer', hash) |
|
|
|
|
|
|
|
return Script.fromChunks([ |
|
|
|
opcodes.OP_DUP, |
|
|
|
opcodes.OP_HASH160, |
|
|
|
ops.OP_DUP, |
|
|
|
ops.OP_HASH160, |
|
|
|
hash, |
|
|
|
opcodes.OP_EQUALVERIFY, |
|
|
|
opcodes.OP_CHECKSIG |
|
|
|
ops.OP_EQUALVERIFY, |
|
|
|
ops.OP_CHECKSIG |
|
|
|
]) |
|
|
|
} |
|
|
|
|
|
|
@ -177,9 +177,9 @@ function scriptHashOutput(hash) { |
|
|
|
enforceType('Buffer', hash) |
|
|
|
|
|
|
|
return Script.fromChunks([ |
|
|
|
opcodes.OP_HASH160, |
|
|
|
ops.OP_HASH160, |
|
|
|
hash, |
|
|
|
opcodes.OP_EQUAL |
|
|
|
ops.OP_EQUAL |
|
|
|
]) |
|
|
|
} |
|
|
|
|
|
|
@ -195,10 +195,10 @@ function multisigOutput(m, pubKeys) { |
|
|
|
var n = pubKeys.length |
|
|
|
|
|
|
|
return Script.fromChunks([].concat( |
|
|
|
(opcodes.OP_1 - 1) + m, |
|
|
|
(ops.OP_1 - 1) + m, |
|
|
|
pubKeyBuffers, |
|
|
|
(opcodes.OP_1 - 1) + n, |
|
|
|
opcodes.OP_CHECKMULTISIG |
|
|
|
(ops.OP_1 - 1) + n, |
|
|
|
ops.OP_CHECKMULTISIG |
|
|
|
)) |
|
|
|
} |
|
|
|
|
|
|
@ -231,14 +231,14 @@ function multisigInput(signatures, scriptPubKey) { |
|
|
|
|
|
|
|
var mOp = scriptPubKey.chunks[0] |
|
|
|
var nOp = scriptPubKey.chunks[scriptPubKey.chunks.length - 2] |
|
|
|
var m = mOp - (opcodes.OP_1 - 1) |
|
|
|
var n = nOp - (opcodes.OP_1 - 1) |
|
|
|
var m = mOp - (ops.OP_1 - 1) |
|
|
|
var n = nOp - (ops.OP_1 - 1) |
|
|
|
|
|
|
|
assert(signatures.length >= m, 'Not enough signatures provided') |
|
|
|
assert(signatures.length <= n, 'Too many signatures provided') |
|
|
|
} |
|
|
|
|
|
|
|
return Script.fromChunks([].concat(opcodes.OP_0, signatures)) |
|
|
|
return Script.fromChunks([].concat(ops.OP_0, signatures)) |
|
|
|
} |
|
|
|
|
|
|
|
module.exports = { |
|
|
|