Merge pull request #309 from bitcoinjs/txstring
Transaction function re-order
This commit is contained in:
Wei Lu
commit
787215e5da
1 changed files with 120 additions and 120 deletions
|
|
@ -22,6 +22,66 @@ Transaction.SIGHASH_NONE = 0x02
|
|||
Transaction.SIGHASH_SINGLE = 0x03
|
||||
Transaction.SIGHASH_ANYONECANPAY = 0x80
|
||||
|
||||
Transaction.fromBuffer = function(buffer) {
|
||||
var offset = 0
|
||||
function readSlice(n) {
|
||||
offset += n
|
||||
return buffer.slice(offset - n, offset)
|
||||
}
|
||||
|
||||
function readUInt32() {
|
||||
var i = buffer.readUInt32LE(offset)
|
||||
offset += 4
|
||||
return i
|
||||
}
|
||||
|
||||
function readUInt64() {
|
||||
var i = bufferutils.readUInt64LE(buffer, offset)
|
||||
offset += 8
|
||||
return i
|
||||
}
|
||||
|
||||
function readVarInt() {
|
||||
var vi = bufferutils.readVarInt(buffer, offset)
|
||||
offset += vi.size
|
||||
return vi.number
|
||||
}
|
||||
|
||||
function readScript() {
|
||||
return Script.fromBuffer(readSlice(readVarInt()))
|
||||
}
|
||||
|
||||
var tx = new Transaction()
|
||||
tx.version = readUInt32()
|
||||
|
||||
var vinLen = readVarInt()
|
||||
for (var i = 0; i < vinLen; ++i) {
|
||||
tx.ins.push({
|
||||
hash: readSlice(32),
|
||||
index: readUInt32(),
|
||||
script: readScript(),
|
||||
sequence: readUInt32()
|
||||
})
|
||||
}
|
||||
|
||||
var voutLen = readVarInt()
|
||||
for (i = 0; i < voutLen; ++i) {
|
||||
tx.outs.push({
|
||||
value: readUInt64(),
|
||||
script: readScript(),
|
||||
})
|
||||
}
|
||||
|
||||
tx.locktime = readUInt32()
|
||||
assert.equal(offset, buffer.length, 'Transaction has unexpected data')
|
||||
|
||||
return tx
|
||||
}
|
||||
|
||||
Transaction.fromHex = function(hex) {
|
||||
return Transaction.fromBuffer(new Buffer(hex, 'hex'))
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a new txin.
|
||||
*
|
||||
|
|
@ -91,69 +151,28 @@ Transaction.prototype.addOutput = function(scriptPubKey, value) {
|
|||
}) - 1)
|
||||
}
|
||||
|
||||
Transaction.prototype.toBuffer = function () {
|
||||
var txInSize = this.ins.reduce(function(a, x) {
|
||||
return a + (40 + bufferutils.varIntSize(x.script.buffer.length) + x.script.buffer.length)
|
||||
}, 0)
|
||||
Transaction.prototype.clone = function () {
|
||||
var newTx = new Transaction()
|
||||
newTx.version = this.version
|
||||
newTx.locktime = this.locktime
|
||||
|
||||
var txOutSize = this.outs.reduce(function(a, x) {
|
||||
return a + (8 + bufferutils.varIntSize(x.script.buffer.length) + x.script.buffer.length)
|
||||
}, 0)
|
||||
|
||||
var buffer = new Buffer(
|
||||
8 +
|
||||
bufferutils.varIntSize(this.ins.length) +
|
||||
bufferutils.varIntSize(this.outs.length) +
|
||||
txInSize +
|
||||
txOutSize
|
||||
)
|
||||
|
||||
var offset = 0
|
||||
function writeSlice(slice) {
|
||||
slice.copy(buffer, offset)
|
||||
offset += slice.length
|
||||
}
|
||||
|
||||
function writeUInt32(i) {
|
||||
buffer.writeUInt32LE(i, offset)
|
||||
offset += 4
|
||||
}
|
||||
|
||||
function writeUInt64(i) {
|
||||
bufferutils.writeUInt64LE(buffer, i, offset)
|
||||
offset += 8
|
||||
}
|
||||
|
||||
function writeVarInt(i) {
|
||||
var n = bufferutils.writeVarInt(buffer, i, offset)
|
||||
offset += n
|
||||
}
|
||||
|
||||
writeUInt32(this.version)
|
||||
writeVarInt(this.ins.length)
|
||||
|
||||
this.ins.forEach(function(txin) {
|
||||
writeSlice(txin.hash)
|
||||
writeUInt32(txin.index)
|
||||
writeVarInt(txin.script.buffer.length)
|
||||
writeSlice(txin.script.buffer)
|
||||
writeUInt32(txin.sequence)
|
||||
newTx.ins = this.ins.map(function(txin) {
|
||||
return {
|
||||
hash: txin.hash,
|
||||
index: txin.index,
|
||||
script: txin.script,
|
||||
sequence: txin.sequence
|
||||
}
|
||||
})
|
||||
|
||||
writeVarInt(this.outs.length)
|
||||
this.outs.forEach(function(txout) {
|
||||
writeUInt64(txout.value)
|
||||
writeVarInt(txout.script.buffer.length)
|
||||
writeSlice(txout.script.buffer)
|
||||
newTx.outs = this.outs.map(function(txout) {
|
||||
return {
|
||||
script: txout.script,
|
||||
value: txout.value
|
||||
}
|
||||
})
|
||||
|
||||
writeUInt32(this.locktime)
|
||||
|
||||
return buffer
|
||||
}
|
||||
|
||||
Transaction.prototype.toHex = function() {
|
||||
return this.toBuffer().toString('hex')
|
||||
return newTx
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -220,88 +239,69 @@ Transaction.prototype.getId = function () {
|
|||
return bufferutils.reverse(this.getHash()).toString('hex')
|
||||
}
|
||||
|
||||
Transaction.prototype.clone = function () {
|
||||
var newTx = new Transaction()
|
||||
newTx.version = this.version
|
||||
newTx.locktime = this.locktime
|
||||
Transaction.prototype.toBuffer = function () {
|
||||
var txInSize = this.ins.reduce(function(a, x) {
|
||||
return a + (40 + bufferutils.varIntSize(x.script.buffer.length) + x.script.buffer.length)
|
||||
}, 0)
|
||||
|
||||
newTx.ins = this.ins.map(function(txin) {
|
||||
return {
|
||||
hash: txin.hash,
|
||||
index: txin.index,
|
||||
script: txin.script,
|
||||
sequence: txin.sequence
|
||||
}
|
||||
})
|
||||
var txOutSize = this.outs.reduce(function(a, x) {
|
||||
return a + (8 + bufferutils.varIntSize(x.script.buffer.length) + x.script.buffer.length)
|
||||
}, 0)
|
||||
|
||||
newTx.outs = this.outs.map(function(txout) {
|
||||
return {
|
||||
script: txout.script,
|
||||
value: txout.value
|
||||
}
|
||||
})
|
||||
var buffer = new Buffer(
|
||||
8 +
|
||||
bufferutils.varIntSize(this.ins.length) +
|
||||
bufferutils.varIntSize(this.outs.length) +
|
||||
txInSize +
|
||||
txOutSize
|
||||
)
|
||||
|
||||
return newTx
|
||||
}
|
||||
|
||||
Transaction.fromBuffer = function(buffer) {
|
||||
var offset = 0
|
||||
function readSlice(n) {
|
||||
offset += n
|
||||
return buffer.slice(offset - n, offset)
|
||||
function writeSlice(slice) {
|
||||
slice.copy(buffer, offset)
|
||||
offset += slice.length
|
||||
}
|
||||
|
||||
function readUInt32() {
|
||||
var i = buffer.readUInt32LE(offset)
|
||||
function writeUInt32(i) {
|
||||
buffer.writeUInt32LE(i, offset)
|
||||
offset += 4
|
||||
return i
|
||||
}
|
||||
|
||||
function readUInt64() {
|
||||
var i = bufferutils.readUInt64LE(buffer, offset)
|
||||
function writeUInt64(i) {
|
||||
bufferutils.writeUInt64LE(buffer, i, offset)
|
||||
offset += 8
|
||||
return i
|
||||
}
|
||||
|
||||
function readVarInt() {
|
||||
var vi = bufferutils.readVarInt(buffer, offset)
|
||||
offset += vi.size
|
||||
return vi.number
|
||||
function writeVarInt(i) {
|
||||
var n = bufferutils.writeVarInt(buffer, i, offset)
|
||||
offset += n
|
||||
}
|
||||
|
||||
function readScript() {
|
||||
return Script.fromBuffer(readSlice(readVarInt()))
|
||||
}
|
||||
writeUInt32(this.version)
|
||||
writeVarInt(this.ins.length)
|
||||
|
||||
var tx = new Transaction()
|
||||
tx.version = readUInt32()
|
||||
this.ins.forEach(function(txin) {
|
||||
writeSlice(txin.hash)
|
||||
writeUInt32(txin.index)
|
||||
writeVarInt(txin.script.buffer.length)
|
||||
writeSlice(txin.script.buffer)
|
||||
writeUInt32(txin.sequence)
|
||||
})
|
||||
|
||||
var vinLen = readVarInt()
|
||||
for (var i = 0; i < vinLen; ++i) {
|
||||
tx.ins.push({
|
||||
hash: readSlice(32),
|
||||
index: readUInt32(),
|
||||
script: readScript(),
|
||||
sequence: readUInt32()
|
||||
})
|
||||
}
|
||||
writeVarInt(this.outs.length)
|
||||
this.outs.forEach(function(txout) {
|
||||
writeUInt64(txout.value)
|
||||
writeVarInt(txout.script.buffer.length)
|
||||
writeSlice(txout.script.buffer)
|
||||
})
|
||||
|
||||
var voutLen = readVarInt()
|
||||
for (i = 0; i < voutLen; ++i) {
|
||||
tx.outs.push({
|
||||
value: readUInt64(),
|
||||
script: readScript(),
|
||||
})
|
||||
}
|
||||
writeUInt32(this.locktime)
|
||||
|
||||
tx.locktime = readUInt32()
|
||||
assert.equal(offset, buffer.length, 'Transaction has unexpected data')
|
||||
|
||||
return tx
|
||||
return buffer
|
||||
}
|
||||
|
||||
Transaction.fromHex = function(hex) {
|
||||
return Transaction.fromBuffer(new Buffer(hex, 'hex'))
|
||||
Transaction.prototype.toHex = function() {
|
||||
return this.toBuffer().toString('hex')
|
||||
}
|
||||
|
||||
Transaction.prototype.setInputScript = function(index, script) {
|
||||
|
|
|
|||
Loading…
Reference in a new issue