119 lines
3.9 KiB
JavaScript
119 lines
3.9 KiB
JavaScript
/* global describe, it */
|
|
|
|
var assert = require('assert')
|
|
var bitcoin = require('../../')
|
|
var blockchain = require('./_blockchain')
|
|
|
|
describe('bitcoinjs-lib (advanced)', function () {
|
|
it('can sign a Bitcoin message', function () {
|
|
var keyPair = bitcoin.ECPair.fromWIF('5KYZdUEo39z3FPrtuX2QbbwGnNP5zTd7yyr2SC1j299sBCnWjss')
|
|
var message = 'This is an example of a signed message.'
|
|
|
|
var signature = bitcoin.message.sign(keyPair, message)
|
|
assert.strictEqual(signature.toString('base64'), 'G9L5yLFjti0QTHhPyFrZCT1V/MMnBtXKmoiKDZ78NDBjERki6ZTQZdSMCtkgoNmp17By9ItJr8o7ChX0XxY91nk=')
|
|
})
|
|
|
|
it('can verify a Bitcoin message', function () {
|
|
var address = '1HZwkjkeaoZfTSaJxDw6aKkxp45agDiEzN'
|
|
var signature = 'HJLQlDWLyb1Ef8bQKEISzFbDAKctIlaqOpGbrk3YVtRsjmC61lpE5ErkPRUFtDKtx98vHFGUWlFhsh3DiW6N0rE'
|
|
var message = 'This is an example of a signed message.'
|
|
|
|
assert(bitcoin.message.verify(address, signature, message))
|
|
})
|
|
|
|
it('can create a transaction using OP_RETURN', function (done) {
|
|
this.timeout(30000)
|
|
|
|
var network = bitcoin.networks.testnet
|
|
var keyPair = bitcoin.ECPair.makeRandom({ network: network })
|
|
var address = keyPair.getAddress()
|
|
|
|
blockchain.t.faucet(address, 2e4, function (err, unspents) {
|
|
if (err) return done(err)
|
|
|
|
// use the oldest unspent
|
|
var unspent = unspents.pop()
|
|
var tx = new bitcoin.TransactionBuilder(network)
|
|
var data = new Buffer('bitcoinjs-lib')
|
|
var dataScript = bitcoin.script.nullDataOutput(data)
|
|
|
|
tx.addInput(unspent.txId, unspent.vout)
|
|
tx.addOutput(dataScript, 1000)
|
|
tx.sign(0, keyPair)
|
|
|
|
var txBuilt = tx.build()
|
|
|
|
blockchain.t.transactions.propagate(txBuilt.toHex(), function (err) {
|
|
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)
|
|
|
|
var actual = bitcoin.Transaction.fromHex(transaction.txHex)
|
|
var actualScript = actual.outs[0].script
|
|
assert.deepEqual(actualScript, dataScript)
|
|
|
|
done()
|
|
})
|
|
})
|
|
})
|
|
})
|
|
|
|
it('can create a transaction using OP_CHECKLOCKTIMEVERIFY', function (done) {
|
|
this.timeout(30000)
|
|
|
|
var network = bitcoin.networks.testnet
|
|
var keyPair = bitcoin.ECPair.makeRandom({ network: network })
|
|
var address = keyPair.getAddress()
|
|
|
|
blockchain.t.faucet(address, 2e4, function (err, unspents) {
|
|
if (err) return done(err)
|
|
|
|
// use the oldest unspent
|
|
var unspent = unspents.pop()
|
|
var tx = new bitcoin.TransactionBuilder(network)
|
|
|
|
// 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
|
|
])
|
|
|
|
tx.addInput(unspent.txId, unspent.vout)
|
|
tx.addOutput(hodlScript, 1000)
|
|
tx.sign(0, keyPair)
|
|
|
|
var txBuilt = tx.build()
|
|
|
|
blockchain.t.transactions.propagate(txBuilt.toHex(), function (err) {
|
|
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)
|
|
|
|
var actual = bitcoin.Transaction.fromHex(transaction.txHex)
|
|
var actualScript = actual.outs[0].script
|
|
assert.deepEqual(actualScript, hodlScript)
|
|
|
|
done()
|
|
})
|
|
})
|
|
})
|
|
})
|
|
})
|