Wei Lu
10 years ago
5 changed files with 244 additions and 135 deletions
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var assert = require('assert') |
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var bigi = require('bigi') |
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var bitcoin = require('../../') |
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var helloblock = require('helloblock-js')({ |
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network: 'testnet' |
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}) |
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|
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describe('bitcoinjs-lib (advanced)', function() { |
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it('can sign a Bitcoin message', function() { |
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var key = bitcoin.ECKey.fromWIF('5KYZdUEo39z3FPrtuX2QbbwGnNP5zTd7yyr2SC1j299sBCnWjss') |
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var message = 'This is an example of a signed message.' |
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var signature = bitcoin.Message.sign(key, message) |
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assert.equal(signature.toString('base64'), 'G9L5yLFjti0QTHhPyFrZCT1V/MMnBtXKmoiKDZ78NDBjERki6ZTQZdSMCtkgoNmp17By9ItJr8o7ChX0XxY91nk=') |
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}) |
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it('can verify a Bitcoin message', function() { |
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var address = '1HZwkjkeaoZfTSaJxDw6aKkxp45agDiEzN' |
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var signature = 'HJLQlDWLyb1Ef8bQKEISzFbDAKctIlaqOpGbrk3YVtRsjmC61lpE5ErkPRUFtDKtx98vHFGUWlFhsh3DiW6N0rE' |
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var message = 'This is an example of a signed message.' |
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assert(bitcoin.Message.verify(address, signature, message)) |
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}) |
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it('can generate a single-key stealth address', function() { |
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var receiver = bitcoin.ECKey.fromWIF('5KYZdUEo39z3FPrtuX2QbbwGnNP5zTd7yyr2SC1j299sBCnWjss') |
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// XXX: ephemeral, must be random (and secret to sender) to preserve privacy
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var sender = bitcoin.ECKey.fromWIF('Kxr9tQED9H44gCmp6HAdmemAzU3n84H3dGkuWTKvE23JgHMW8gct') |
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var G = bitcoin.ECKey.curve.G |
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var d = receiver.d // secret (receiver only)
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var Q = receiver.pub.Q // shared
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var e = sender.d // secret (sender only)
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var P = sender.pub.Q // shared
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// derived shared secret
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var eQ = Q.multiply(e) // sender
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var dP = P.multiply(d) // receiver
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assert.deepEqual(eQ.getEncoded(), dP.getEncoded()) |
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var c = bigi.fromBuffer(bitcoin.crypto.sha256(eQ.getEncoded())) |
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var cG = G.multiply(c) |
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// derived public key
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var QprimeS = Q.add(cG) |
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var QprimeR = G.multiply(d.add(c)) |
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assert.deepEqual(QprimeR.getEncoded(), QprimeS.getEncoded()) |
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// derived shared-secret address
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var address = new bitcoin.ECPubKey(QprimeS).getAddress().toString() |
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assert.equal(address, '1EwCNJNZM5q58YPPTnjR1H5BvYRNeyZi47') |
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}) |
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// TODO
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it.skip('can generate a dual-key stealth address', function() {}) |
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it('can create an OP_RETURN transaction', function(done) { |
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this.timeout(20000) |
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var key = bitcoin.ECKey.fromWIF("L1uyy5qTuGrVXrmrsvHWHgVzW9kKdrp27wBC7Vs6nZDTF2BRUVwy") |
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var address = key.pub.getAddress(bitcoin.networks.testnet).toString() |
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helloblock.faucet.withdraw(address, 2e4, function(err) { |
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if (err) return done(err) |
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helloblock.addresses.getUnspents(address, function(err, _, unspents) { |
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if (err) return done(err) |
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// filter small unspents
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unspents = unspents.filter(function(unspent) { return unspent.value > 1e4 }) |
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// use the oldest unspent
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var unspent = unspents.pop() |
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var tx = new bitcoin.TransactionBuilder() |
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var data = new Buffer('cafedeadbeef', 'hex') |
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var dataScript = bitcoin.scripts.dataOutput(data) |
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tx.addInput(unspent.txHash, unspent.index) |
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tx.addOutput(dataScript, 1000) |
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tx.sign(0, key) |
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helloblock.transactions.propagate(tx.build().toHex(), function(err) { |
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if (err) return done(err) |
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// check that the message was propagated
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helloblock.addresses.getTransactions(address, function(err, res, transactions) { |
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if (err) return done(err) |
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var transaction = transactions[0] |
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var output = transaction.outputs[0] |
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var dataScript2 = bitcoin.Script.fromHex(output.scriptPubKey) |
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var data2 = dataScript2.chunks[1] |
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assert.deepEqual(dataScript, dataScript2) |
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assert.deepEqual(data, data2) |
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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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}) |
@ -0,0 +1,46 @@ |
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var assert = require('assert') |
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var bigi = require('bigi') |
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var bitcoin = require('../../') |
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var crypto = require('crypto') |
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var sinon = require('sinon') |
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describe('bitcoinjs-lib (basic)', function() { |
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it('can generate a random bitcoin address', sinon.test(function() { |
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// for testing only
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this.mock(crypto).expects('randomBytes') |
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.onCall(0).returns(new Buffer('zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz')) |
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// generate random key
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var key = bitcoin.ECKey.makeRandom() |
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var address = key.pub.getAddress().toString() |
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assert.equal(address, '1F5VhMHukdnUES9kfXqzPzMeF1GPHKiF64') |
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})) |
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it('can generate an address from a SHA256 hash', function() { |
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var hash = bitcoin.crypto.sha256('correct horse battery staple') |
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var d = bigi.fromBuffer(hash) |
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var key = new bitcoin.ECKey(d) |
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assert.equal(key.pub.getAddress().toString(), '1C7zdTfnkzmr13HfA2vNm5SJYRK6nEKyq8') |
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}) |
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it('can import an address via WIF', function() { |
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var key = bitcoin.ECKey.fromWIF('Kxr9tQED9H44gCmp6HAdmemAzU3n84H3dGkuWTKvE23JgHMW8gct') |
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var address = key.pub.getAddress().toString() |
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assert.equal(address, '19AAjaTUbRjQCMuVczepkoPswiZRhjtg31') |
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}) |
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it('can create a Transaction', function() { |
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var key = bitcoin.ECKey.fromWIF("L1uyy5qTuGrVXrmrsvHWHgVzW9kKdrp27wBC7Vs6nZDTF2BRUVwy") |
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var tx = new bitcoin.TransactionBuilder() |
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tx.addInput("aa94ab02c182214f090e99a0d57021caffd0f195a81c24602b1028b130b63e31", 0) |
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tx.addOutput("1Gokm82v6DmtwKEB8AiVhm82hyFSsEvBDK", 15000) |
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tx.sign(0, key) |
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assert.equal(tx.build().toHex(), '0100000001313eb630b128102b60241ca895f1d0ffca2170d5a0990e094f2182c102ab94aa000000006b483045022100aefbcf847900b01dd3e3debe054d3b6d03d715d50aea8525f5ea3396f168a1fb022013d181d05b15b90111808b22ef4f9ebe701caf2ab48db269691fdf4e9048f4f60121029f50f51d63b345039a290c94bffd3180c99ed659ff6ea6b1242bca47eb93b59fffffffff01983a0000000000001976a914ad618cf4333b3b248f9744e8e81db2964d0ae39788ac00000000') |
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}) |
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}) |
@ -0,0 +1,76 @@ |
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var assert = require('assert') |
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var bitcoin = require('../../') |
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var helloblock = require('helloblock-js')({ |
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network: 'testnet' |
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}) |
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describe('bitcoinjs-lib (multisig)', function() { |
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it('can create a 2-of-3 multisig P2SH address', function() { |
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var pubKeys = [ |
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'026477115981fe981a6918a6297d9803c4dc04f328f22041bedff886bbc2962e01', |
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'02c96db2302d19b43d4c69368babace7854cc84eb9e061cde51cfa77ca4a22b8b9', |
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'03c6103b3b83e4a24a0e33a4df246ef11772f9992663db0c35759a5e2ebf68d8e9' |
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].map(bitcoin.ECPubKey.fromHex) |
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var redeemScript = bitcoin.scripts.multisigOutput(2, pubKeys) // 2 of 3
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var scriptPubKey = bitcoin.scripts.scriptHashOutput(redeemScript.getHash()) |
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var address = bitcoin.Address.fromOutputScript(scriptPubKey).toString() |
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assert.equal(address, '36NUkt6FWUi3LAWBqWRdDmdTWbt91Yvfu7') |
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}) |
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it('can spend from a 2-of-2 multsig P2SH address', function(done) { |
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this.timeout(20000) |
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var privKeys = [ |
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'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgwmaKkrx', |
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'91avARGdfge8E4tZfYLoxeJ5sGBdNJQH4kvjJoQFacbgww7vXtT' |
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].map(bitcoin.ECKey.fromWIF) |
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var pubKeys = privKeys.map(function(x) { return x.pub }) |
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var redeemScript = bitcoin.scripts.multisigOutput(2, pubKeys) // 2 of 2
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var scriptPubKey = bitcoin.scripts.scriptHashOutput(redeemScript.getHash()) |
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var address = bitcoin.Address.fromOutputScript(scriptPubKey, bitcoin.networks.testnet).toString() |
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// Attempt to send funds to the source address
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helloblock.faucet.withdraw(address, 2e4, function(err) { |
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if (err) return done(err) |
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// get latest unspents from the address
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helloblock.addresses.getUnspents(address, function(err, _, unspents) { |
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if (err) return done(err) |
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// filter small unspents
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unspents = unspents.filter(function(unspent) { return unspent.value > 1e4 }) |
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// use the oldest unspent
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var unspent = unspents.pop() |
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// make a random destination address
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var targetAddress = bitcoin.ECKey.makeRandom().pub.getAddress(bitcoin.networks.testnet).toString() |
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var txb = new bitcoin.TransactionBuilder() |
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txb.addInput(unspent.txHash, unspent.index) |
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txb.addOutput(targetAddress, 1e4) |
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// sign w/ each private key
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privKeys.forEach(function(privKey) { |
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txb.sign(0, privKey, redeemScript) |
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}) |
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// broadcast our transaction
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helloblock.transactions.propagate(txb.build().toHex(), function(err) { |
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if (err) return done(err) |
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// check that the funds (1e4 Satoshis) indeed arrived at the intended address
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helloblock.addresses.get(targetAddress, function(err, res, addrInfo) { |
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if (err) return done(err) |
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assert.equal(addrInfo.balance, 1e4) |
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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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}) |
@ -1,74 +0,0 @@ |
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var assert = require('assert') |
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var bitcoin = require('../../') |
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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 TransactionBuilder = bitcoin.TransactionBuilder |
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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, res, unspents) { |
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if (err) return done(err) |
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// use the oldest unspent
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var unspent = unspents[unspents.length - 1] |
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var spendAmount = Math.min(unspent.value, outputAmount) |
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var txb = new TransactionBuilder() |
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txb.addInput(unspent.txHash, unspent.index) |
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txb.addOutput(targetAddress, spendAmount) |
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privKeys.forEach(function(privKey) { |
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txb.sign(0, privKey, redeemScript) |
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}) |
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// broadcast our transaction
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helloblock.transactions.propagate(txb.build().toHex(), function(err) { |
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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, res, addrInfo) { |
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if (err) return done(err) |
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assert.equal(addrInfo.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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