diff --git a/test/integration/advanced.js b/test/integration/advanced.js index 1af554d07..3abb665b9 100644 --- a/test/integration/advanced.js +++ b/test/integration/advanced.js @@ -1,4 +1,4 @@ -/* global describe, it */ +/* global describe, it, beforeEach */ var assert = require('assert') var bitcoin = require('../../') @@ -40,80 +40,109 @@ describe('bitcoinjs-lib (advanced)', function () { tx.addInput(unspent.txId, unspent.vout) tx.addOutput(dataScript, 1000) tx.sign(0, keyPair) + var txRaw = tx.build() - var txBuilt = tx.build() + blockchain.t.transactions.propagate(txRaw.toHex(), done) + }) + }) + + describe('can create transactions using OP_CHECKLOCKTIMEVERIFY', function (done) { + var network = bitcoin.networks.testnet + var alice = bitcoin.ECPair.fromWIF('cScfkGjbzzoeewVWmU2hYPUHeVGJRDdFt7WhmrVVGkxpmPP8BHWe', network) + var bob = bitcoin.ECPair.fromWIF('cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsLwjHXA9x', network) + + // now - 3 hours + var threeHoursAgo = Math.floor(Date.now() / 1000) - (3600 * 3) + var redeemScript = bitcoin.script.compile([ + bitcoin.opcodes.OP_IF, + + bitcoin.script.number.encode(threeHoursAgo), + bitcoin.opcodes.OP_CHECKLOCKTIMEVERIFY, + bitcoin.opcodes.OP_DROP, + + bitcoin.opcodes.OP_ELSE, + + bob.getPublicKeyBuffer(), + bitcoin.opcodes.OP_CHECKSIGVERIFY, - blockchain.t.transactions.propagate(txBuilt.toHex(), function (err) { + bitcoin.opcodes.OP_ENDIF, + + alice.getPublicKeyBuffer(), + bitcoin.opcodes.OP_CHECKSIG + ]) + var scriptPubKey = bitcoin.script.scriptHashOutput(bitcoin.crypto.hash160(redeemScript)) + + var txId + beforeEach(function (done) { + this.timeout(10000) + + blockchain.t.faucet(alice.getAddress(), 2e4, function (err, unspents) { if (err) return done(err) - // check that the transaction was propagated - blockchain.t.transactions.get(txBuilt.getId(), function (err, transaction) { - if (err) return done(err) + // use the oldest unspent + var unspent = unspents.pop() + + // build the transaction + var tx = new bitcoin.TransactionBuilder(network) + tx.addInput(unspent.txId, unspent.vout) + tx.addOutput(scriptPubKey, 1e4) + tx.sign(0, alice) + var txRaw = tx.build() - var actual = bitcoin.Transaction.fromHex(transaction.txHex) - var actualScript = actual.outs[0].script - assert.deepEqual(actualScript, dataScript) + txId = txRaw.getId() - done() - }) + blockchain.t.transactions.propagate(txRaw.toHex(), done) }) }) - }) - it('can create a transaction using OP_CHECKLOCKTIMEVERIFY', function (done) { - this.timeout(30000) + // expiry past, {Alice's signature} OP_TRUE + it('where Alice can redeem after the expiry is past', function (done) { + this.timeout(30000) - var network = bitcoin.networks.testnet - var keyPair = bitcoin.ECPair.makeRandom({ network: network }) - var address = keyPair.getAddress() + var tx2 = new bitcoin.TransactionBuilder(network) +// tx2.setLockTime(threeHoursAgo) // TODO + tx2.addInput(txId, 0, 0xfffffffe) + tx2.addOutput(alice.getAddress(), 1000) - blockchain.t.faucet(address, 2e4, function (err, unspents) { - if (err) return done(err) + var tx2Raw = tx2.buildIncomplete() + tx2Raw.locktime = threeHoursAgo // TODO - // use the oldest unspent - var unspent = unspents.pop() - var tx = new bitcoin.TransactionBuilder(network) + var hashType = bitcoin.Transaction.SIGHASH_ALL + var signatureHash = tx2Raw.hashForSignature(0, redeemScript, hashType) + var signature = alice.sign(signatureHash) - // now + 2 hours - var hodlDate = Math.floor((Date.now() + new Date(0).setSeconds(7200)) / 1000) - var hodlLockTimeBuffer = new Buffer(4) - hodlLockTimeBuffer.writeInt32LE(hodlDate | 0, 0) - - // {signature} {signature} or - // OP_0 {signature} after 1 month - var hodlScript = bitcoin.script.compile([ - bitcoin.opcodes.OP_IF, - hodlLockTimeBuffer, - bitcoin.opcodes.OP_CHECKLOCKTIMEVERIFY, - bitcoin.opcodes.OP_DROP, - bitcoin.opcodes.OP_ELSE, - keyPair.getPublicKeyBuffer(), - bitcoin.opcodes.OP_CHECKSIGVERIFY, - bitcoin.opcodes.OP_ENDIF, - keyPair.getPublicKeyBuffer(), - bitcoin.opcodes.OP_CHECKSIG - ]) + var redeemScriptSig = bitcoin.script.scriptHashInput([ + signature.toScriptSignature(hashType), bitcoin.opcodes.OP_TRUE + ], redeemScript) - tx.addInput(unspent.txId, unspent.vout) - tx.addOutput(hodlScript, 1000) - tx.sign(0, keyPair) + tx2Raw.setInputScript(0, redeemScriptSig) - var txBuilt = tx.build() + blockchain.t.transactions.propagate(tx2Raw.toHex(), done) + }) - blockchain.t.transactions.propagate(txBuilt.toHex(), function (err) { - if (err) return done(err) + // {Bob's signature} {Alice's signature} OP_FALSE + it('where Alice and Bob can redeem at any time', function (done) { + this.timeout(30000) - // check that the transaction was propagated - blockchain.t.transactions.get(txBuilt.getId(), function (err, transaction) { - if (err) return done(err) + var tx2 = new bitcoin.TransactionBuilder(network) +// tx2.setLockTime(threeHoursAgo) // TODO + tx2.addInput(txId, 0, 0xfffffffe) + tx2.addOutput(alice.getAddress(), 1000) - var actual = bitcoin.Transaction.fromHex(transaction.txHex) - var actualScript = actual.outs[0].script - assert.deepEqual(actualScript, hodlScript) + var tx2Raw = tx2.buildIncomplete() + tx2Raw.locktime = threeHoursAgo // TODO - done() - }) - }) + var hashType = bitcoin.Transaction.SIGHASH_ALL + var signatureHash = tx2Raw.hashForSignature(0, redeemScript, hashType) + var signatureA = alice.sign(signatureHash) + var signatureB = bob.sign(signatureHash) + var redeemScriptSig = bitcoin.script.scriptHashInput([ + signatureA.toScriptSignature(hashType), signatureB.toScriptSignature(hashType), bitcoin.opcodes.OP_FALSE + ], redeemScript) + + tx2Raw.setInputScript(0, redeemScriptSig) + + blockchain.t.transactions.propagate(tx2Raw.toHex(), done) }) }) })