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Transaction: rename (de)serialize to [to/from]Buffer

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This commit is contained in:
Daniel Cousens 2014-05-08 10:44:35 +10:00
parent e033a872c9
commit 0468c4710c
4 changed files with 26 additions and 31 deletions
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27
src/transaction.js
View file

@ -20,7 +20,7 @@ function Transaction(doc) {
if (doc) {
if (typeof doc == "string" || Array.isArray(doc)) {
doc = Transaction.deserialize(doc)
doc = Transaction.fromBuffer(doc)
}
if (doc.hash) this.hash = doc.hash;
@ -114,13 +114,7 @@ Transaction.prototype.addOutput = function (address, value) {
}))
}
/**
* Serialize this transaction.
*
* Returns the transaction as a binary buffer in
* accordance with the Bitcoin protocol.
*/
Transaction.prototype.serialize = function () {
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)
@ -185,8 +179,8 @@ Transaction.prototype.serialize = function () {
return buffer
}
Transaction.prototype.serializeHex = function() {
return this.serialize().toString('hex')
Transaction.prototype.toHex = function() {
return this.toBuffer().toString('hex')
}
//var OP_CODESEPARATOR = 171
@ -246,12 +240,12 @@ Transaction.prototype.hashForSignature =
var htB = new Buffer(4)
htB.writeUInt32LE(hashType, 0)
var buffer = Buffer.concat([txTmp.serialize(), htB])
var buffer = Buffer.concat([txTmp.toBuffer(), htB])
return crypto.hash256(buffer)
}
Transaction.prototype.getHash = function () {
var buffer = crypto.hash256(this.serialize())
var buffer = crypto.hash256(this.toBuffer())
// Big-endian is used for TxHash
Array.prototype.reverse.call(buffer)
@ -276,10 +270,7 @@ Transaction.prototype.clone = function ()
return newTx
}
Transaction.deserialize = function(buffer) {
if (typeof buffer == "string") buffer = new Buffer(buffer, 'hex')
else if (Array.isArray(buffer)) buffer = new Buffer(buffer)
Transaction.fromBuffer = function(buffer) {
// Copy because we mutate (reverse TxOutHashs)
buffer = new Buffer(buffer)
@ -355,6 +346,10 @@ Transaction.deserialize = function(buffer) {
})
}
Transaction.fromHex = function(hex) {
return Transaction.fromBuffer(new Buffer(hex, 'hex'))
}
/**
* Signs a standard output at some index with the given key
*/

2
test/integration/p2sh.js
View file

@ -59,7 +59,7 @@ describe('p2sh', function() {
tx.setScriptSig(0, scriptSig)
// Send from mutlsigAddress to targetAddress
helloblock.transactions.propagate(tx.serializeHex(), function(err, resp, resource) {
helloblock.transactions.propagate(tx.toHex(), function(err, resp, resource) {
// no err means that transaction has been successfully propagated
if (err) done(err);

24
test/transaction.js
View file

@ -26,11 +26,11 @@ describe('Transaction', function() {
'3901ffffffff0100f2052a010000001976a914dd40dedd8f7e3746662',
'4c4dacc6362d8e7be23dd88ac00000000'
].join('')
tx = Transaction.deserialize(serializedTx)
tx = Transaction.fromHex(serializedTx)
})
it('returns the original after serialized again', function() {
var actual = tx.serialize()
var actual = tx.toBuffer()
var expected = serializedTx
assert.equal(b2h(actual), expected)
@ -38,7 +38,7 @@ describe('Transaction', function() {
it('does not mutate the input buffer', function() {
var buffer = new Buffer(serializedTx, 'hex')
Transaction.deserialize(buffer)
Transaction.fromBuffer(buffer)
assert.equal(buffer.toString('hex'), serializedTx)
})
@ -84,7 +84,7 @@ describe('Transaction', function() {
tx.addInput("0cb859105100ebc3344f749c835c7af7d7103ec0d8cbc3d8ccbd5d28c3c36b57", 0)
tx.addOutput("15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3", 100)
var buffer = tx.serialize()
var buffer = tx.toBuffer()
// we're going to replace the 8bit VarInt for tx.ins.length with a stretched 32bit equivalent
var mutated = Buffer.concat([
@ -94,7 +94,7 @@ describe('Transaction', function() {
])
// the deserialized-serialized transaction should return to its non-mutated state (== tx)
var buffer2 = Transaction.deserialize(mutated).serialize()
var buffer2 = Transaction.fromBuffer(mutated).toBuffer()
assert.deepEqual(buffer, buffer2)
})
})
@ -102,7 +102,7 @@ describe('Transaction', function() {
describe('creating a transaction', function() {
var tx, prevTx
beforeEach(function() {
prevTx = Transaction.deserialize(fixtureTx1Hex)
prevTx = Transaction.fromHex(fixtureTx1Hex)
tx = new Transaction()
})
@ -207,7 +207,7 @@ describe('Transaction', function() {
var validTx
beforeEach(function() {
validTx = Transaction.deserialize(fixtureTx2Hex)
validTx = Transaction.fromHex(fixtureTx2Hex)
})
it('returns true for valid signature', function(){
@ -221,22 +221,22 @@ describe('Transaction', function() {
describe('estimateFee', function(){
it('works for fixture tx 1', function(){
var tx = Transaction.deserialize(fixtureTx1Hex)
var tx = Transaction.fromHex(fixtureTx1Hex)
assert.equal(tx.estimateFee(), 20000)
})
it('works for fixture big tx', function(){
var tx = Transaction.deserialize(fixtureTxBigHex)
var tx = Transaction.fromHex(fixtureTxBigHex)
assert.equal(tx.estimateFee(), 60000)
})
it('allow feePerKb to be passed in as an argument', function(){
var tx = Transaction.deserialize(fixtureTx2Hex)
var tx = Transaction.fromHex(fixtureTx2Hex)
assert.equal(tx.estimateFee(10000), 10000)
})
it('allow feePerKb to be set to 0', function(){
var tx = Transaction.deserialize(fixtureTx2Hex)
var tx = Transaction.fromHex(fixtureTx2Hex)
assert.equal(tx.estimateFee(0), 0)
})
})
@ -270,7 +270,7 @@ describe('Transaction', function() {
})
var expected = '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'
assert.equal(tx.serializeHex(), expected)
assert.equal(tx.toHex(), expected)
})
})
})

4
test/wallet.js
View file

@ -318,7 +318,7 @@ describe('Wallet', function() {
'1BBjuhF2jHxu7tPinyQGCuaNhEs6f5u59u'
]
tx = Transaction.deserialize(fixtureTx1Hex)
tx = Transaction.fromHex(fixtureTx1Hex)
})
describe("when tx outs contains an address owned by the wallet, an 'output' gets added to wallet.outputs", function(){
@ -363,7 +363,7 @@ describe('Wallet', function() {
wallet.addresses = [addresses[0]] // the address fixtureTx2 used as input
wallet.processTx(tx)
tx = Transaction.deserialize(fixtureTx2Hex)
tx = Transaction.fromHex(fixtureTx2Hex)
})
it("does not add to wallet.outputs", function(){