7e5af52cd1
I think it is important we maintain some reasoning that an Input script is actually a script signature, but in the end, these names are more coherent and understandable when reasoning with our code. So I think its OK we break tradition with bitcoind.
80 lines
2.6 KiB
JavaScript
80 lines
2.6 KiB
JavaScript
var assert = require('assert')
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var bitcoin = require('../../')
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var crypto = bitcoin.crypto
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var networks = bitcoin.networks
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var scripts = bitcoin.scripts
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var Address = bitcoin.Address
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var ECKey = bitcoin.ECKey
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var Transaction = bitcoin.Transaction
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var Script = bitcoin.Script
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var helloblock = require('helloblock-js')({
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network: 'testnet'
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})
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describe('Bitcoin-js', function() {
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this.timeout(10000)
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it('can spend from a 2-of-2 address', function(done) {
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var privKeys = [
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'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx',
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'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT'
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].map(function(wif) {
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return ECKey.fromWIF(wif)
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})
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var coldAmount = 2e4
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var outputAmount = 1e4
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var pubKeys = privKeys.map(function(eck) { return eck.pub })
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var redeemScript = scripts.multisigOutput(2, pubKeys)
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var scriptPubKey = scripts.scriptHashOutput(redeemScript.getHash())
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var multisigAddress = Address.fromOutputScript(scriptPubKey, networks.testnet).toString()
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// Attempt to send funds to the source address, providing some unspents for later
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helloblock.faucet.withdraw(multisigAddress, coldAmount, function(err) {
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if (err) return done(err)
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})
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// make a random private key
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var targetAddress = ECKey.makeRandom().pub.getAddress(networks.testnet).toString()
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// get latest unspents from the multisigAddress
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helloblock.addresses.getUnspents(multisigAddress, function(err, resp, resource) {
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if (err) return done(err)
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// use the oldest unspent
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var unspent = resource[resource.length - 1]
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var spendAmount = Math.min(unspent.value, outputAmount)
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var tx = new Transaction()
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tx.addInput(unspent.txHash, unspent.index)
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tx.addOutput(targetAddress, spendAmount)
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var signatures = privKeys.map(function(privKey) {
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return tx.signInput(0, redeemScript, privKey)
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})
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var redeemScriptSig = scripts.multisigInput(signatures)
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var scriptSig = scripts.scriptHashInput(redeemScriptSig, redeemScript)
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tx.setInputScript(0, scriptSig)
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// broadcast our transaction
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helloblock.transactions.propagate(tx.toHex(), function(err, resp, resource) {
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// no err means that the transaction has been successfully propagated
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if (err) return done(err)
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// Check that the funds (spendAmount Satoshis) indeed arrived at the intended address
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helloblock.addresses.get(targetAddress, function(err, resp, resource) {
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if (err) return done(err)
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assert.equal(resource.balance, spendAmount)
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done()
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})
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})
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})
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})
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})
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