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Wallet: avoid transaction inspection when signing

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This commit is contained in:
Daniel Cousens 2014-06-15 00:04:02 +10:00
parent bdc7131d0e
commit 2f56e63491
1 changed files with 11 additions and 7 deletions

18
src/wallet.js
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@ -183,12 +183,14 @@ function Wallet(seed, network) {
var utxos = getCandidateOutputs(value) var utxos = getCandidateOutputs(value)
var accum = 0 var accum = 0
var subTotal = value var subTotal = value
var addresses = []
var tx = new Transaction() var tx = new Transaction()
tx.addOutput(to, value) tx.addOutput(to, value)
for (var i = 0; i < utxos.length; ++i) { for (var i = 0; i < utxos.length; ++i) {
var utxo = utxos[i] var utxo = utxos[i]
addresses.push(utxo.address)
var outpoint = utxo.receive.split(':') var outpoint = utxo.receive.split(':')
tx.addInput(outpoint[0], parseInt(outpoint[1])) tx.addInput(outpoint[0], parseInt(outpoint[1]))
@ -210,7 +212,7 @@ function Wallet(seed, network) {
assert(accum >= subTotal, 'Not enough funds (incl. fee): ' + accum + ' < ' + subTotal) assert(accum >= subTotal, 'Not enough funds (incl. fee): ' + accum + ' < ' + subTotal)
this.sign(tx) this.signWith(tx, addresses)
return tx return tx
} }
@ -240,13 +242,15 @@ function Wallet(seed, network) {
return me.changeAddresses[me.changeAddresses.length - 1] return me.changeAddresses[me.changeAddresses.length - 1]
} }
this.sign = function(tx) { this.signWith = function(tx, addresses) {
tx.ins.forEach(function(inp,i) { assert.equal(tx.ins.length, addresses.length, 'Number of addresses must match number of transaction inputs')
var output = me.outputs[inp.outpoint.hash + ':' + inp.outpoint.index]
if (output) { addresses.forEach(function(address, i) {
tx.sign(i, me.getPrivateKeyForAddress(output.address)) var key = me.getPrivateKeyForAddress(address)
}
tx.sign(i, key)
}) })
return tx return tx
} }