fcoin/test/wallet-test.js
Christopher Jeffrey 0f6c19bcd5
major refactor.
2016-04-16 20:03:00 -07:00

566 lines
18 KiB
JavaScript

var bn = require('bn.js');
var bcoin = require('../')({ db: process.env.BCOIN_TEST_DB || 'memory' });
var constants = bcoin.protocol.constants;
var utils = bcoin.utils;
var assert = utils.assert;
var dummyInput = {
prevout: {
hash: constants.zeroHash,
index: 0
},
coin: {
version: 1,
height: 0,
value: constants.maxMoney.clone(),
script: new bcoin.script([]),
coinbase: false,
hash: constants.zeroHash,
index: 0
},
script: new bcoin.script([]),
witness: new bcoin.script.witness([]),
sequence: 0xffffffff
};
describe('Wallet', function() {
var wdb = new bcoin.walletdb({ verify: true });
it('should open walletdb', function(cb) {
wdb.open(cb);
});
it('should generate new key and address', function() {
var w = bcoin.wallet();
var addr = w.getAddress();
assert(addr);
assert(bcoin.address.validate(addr));
});
it('should validate existing address', function() {
assert(bcoin.address.validate('1KQ1wMNwXHUYj1nV2xzsRcKUH8gVFpTFUc'));
});
it('should fail to validate invalid address', function() {
assert(!bcoin.address.validate('1KQ1wMNwXHUYj1nv2xzsRcKUH8gVFpTFUc'));
});
function p2pkh(witness, bullshitNesting, cb) {
var flags = bcoin.protocol.constants.flags.STANDARD_VERIFY_FLAGS;
if (witness)
flags |= bcoin.protocol.constants.flags.VERIFY_WITNESS;
wdb.create({ witness: witness }, function(err, w) {
assert.noError(err);
if (witness)
assert(bcoin.address.parse(w.getAddress()).type === 'witnesspubkeyhash');
else
assert(bcoin.address.parse(w.getAddress()).type === 'pubkeyhash');
// Input transcation
var src = bcoin.mtx({
outputs: [{
value: 5460 * 2,
address: bullshitNesting
? w.getProgramAddress()
: w.getAddress()
}, {
value: 5460 * 2,
address: bcoin.address.compileData(new Buffer([]))
}]
});
src.addInput(dummyInput);
assert(w.ownOutput(src));
assert(w.ownOutput(src.outputs[0]));
assert(!w.ownOutput(src.outputs[1]));
var tx = bcoin.mtx()
.addInput(src, 0)
.addOutput(w.getAddress(), 5460);
w.sign(tx);
assert(tx.verify(null, true, flags));
cb();
});
}
it('should sign/verify pubkeyhash tx', function(cb) {
p2pkh(false, false, cb);
});
it('should sign/verify witnesspubkeyhash tx', function(cb) {
p2pkh(true, false, cb);
});
it('should sign/verify witnesspubkeyhash tx with bullshit nesting', function(cb) {
p2pkh(true, true, cb);
});
it('should multisign/verify TX', function() {
var w = bcoin.wallet({
derivation: 'bip44',
type: 'multisig',
m: 1,
n: 2
});
var k2 = bcoin.hd.fromSeed().deriveAccount44(0).hdPublicKey;
w.addKey(k2);
// Input transcation
var src = bcoin.mtx({
outputs: [{
value: 5460 * 2,
m: 1,
keys: [ w.getPublicKey(), k2.derive('m/0/0').publicKey ]
}, {
value: 5460 * 2,
address: bcoin.address.compileData(new Buffer([]))
}]
});
src.addInput(dummyInput);
assert(w.ownOutput(src));
assert(w.ownOutput(src.outputs[0]));
assert(!w.ownOutput(src.outputs[1]));
var tx = bcoin.mtx()
.addInput(src, 0)
.addOutput(w.getAddress(), 5460);
var maxSize = tx.maxSize();
w.sign(tx);
assert(tx.render().length <= maxSize);
assert(tx.verify());
});
var dw, di;
it('should have TX pool and be serializable', function(cb) {
wdb.create({}, function(err, w) {
assert.noError(err);
wdb.create({}, function(err, f) {
assert.noError(err);
dw = w;
// Coinbase
var t1 = bcoin.mtx().addOutput(w, 50000).addOutput(w, 1000);
t1.addInput(dummyInput);
// balance: 51000
w.sign(t1);
var t2 = bcoin.mtx().addInput(t1, 0) // 50000
.addOutput(w, 24000)
.addOutput(w, 24000);
di = t2.inputs[0];
// balance: 49000
w.sign(t2);
var t3 = bcoin.mtx().addInput(t1, 1) // 1000
.addInput(t2, 0) // 24000
.addOutput(w, 23000);
// balance: 47000
w.sign(t3);
var t4 = bcoin.mtx().addInput(t2, 1) // 24000
.addInput(t3, 0) // 23000
.addOutput(w, 11000)
.addOutput(w, 11000);
// balance: 22000
w.sign(t4);
var f1 = bcoin.mtx().addInput(t4, 1) // 11000
.addOutput(f, 10000);
// balance: 11000
w.sign(f1);
var fake = bcoin.mtx().addInput(t1, 1) // 1000 (already redeemed)
.addOutput(w, 500);
// Script inputs but do not sign
w.scriptInputs(fake);
// Fake signature
fake.inputs[0].script.code[0] = new Buffer([0,0,0,0,0,0,0,0,0]);
// balance: 11000
// Just for debugging
t1.hint = 't1';
t2.hint = 't2';
t3.hint = 't3';
t4.hint = 't4';
f1.hint = 'f1';
fake.hint = 'fake';
// Fake TX should temporarly change output
wdb.addTX(fake, function(err) {
assert.noError(err);
wdb.addTX(t4, function(err) {
assert.noError(err);
w.getBalance(function(err, balance) {
assert.noError(err);
assert.equal(balance.total.toString(10), '22500');
wdb.addTX(t1, function(err) {
w.getBalance(function(err, balance) {
assert.noError(err);
assert.equal(balance.total.toString(10), '73000');
wdb.addTX(t2, function(err) {
assert.noError(err);
w.getBalance(function(err, balance) {
assert.noError(err);
assert.equal(balance.total.toString(10), '47000');
wdb.addTX(t3, function(err) {
assert.noError(err);
w.getBalance(function(err, balance) {
assert.noError(err);
assert.equal(balance.total.toString(10), '22000');
wdb.addTX(f1, function(err) {
assert.noError(err);
w.getBalance(function(err, balance) {
assert.noError(err);
assert.equal(balance.total.toString(10), '11000');
w.getHistory(function(err, txs) {
assert(txs.some(function(tx) {
return tx.hash('hex') === f1.hash('hex');
}));
var w2 = bcoin.wallet.fromJSON(w.toJSON());
// assert.equal(w2.getBalance().toString(10), '11000');
// assert(w2.getHistory().some(function(tx) {
// return tx.hash('hex') === f1.hash('hex');
// }));
cb();
});
});
});
});
});
});
});
});
});
});
});
});
});
});
});
it('should cleanup spenders after double-spend', function(cb) {
var t1 = bcoin.mtx().addOutput(dw, 5000);
t1.addInput(di);
wdb.addTX(t1, function(err) {
assert.noError(err);
dw.getBalance(function(err, balance) {
assert.noError(err);
assert.equal(balance.total.toString(10), '11000');
cb();
});
});
});
it('should fill tx with inputs', function(cb) {
wdb.create({}, function(err, w1) {
assert.noError(err);
wdb.create({}, function(err, w2) {
assert.noError(err);
// Coinbase
var t1 = bcoin.mtx()
.addOutput(w1, 5460)
.addOutput(w1, 5460)
.addOutput(w1, 5460)
.addOutput(w1, 5460);
t1.addInput(dummyInput);
// Fake TX should temporarly change output
wdb.addTX(t1, function(err) {
assert.noError(err);
// Create new transaction
var t2 = bcoin.mtx().addOutput(w2, 5460);
w1.fill(t2, function(err) {
assert.noError(err);
w1.sign(t2);
assert(t2.verify());
assert.equal(t2.getInputValue().toString(10), 16380);
// If change < dust and is added to outputs:
// assert.equal(t2.getOutputValue().toString(10), 6380);
// If change < dust and is added to fee:
assert.equal(t2.getOutputValue().toString(10), 5460);
// Create new transaction
var t3 = bcoin.mtx().addOutput(w2, 15000);
w1.fill(t3, function(err) {
assert(err);
assert.equal(err.requiredFunds.toString(10), 25000);
cb();
});
});
});
});
});
});
it('should sign multiple inputs using different keys', function(cb) {
wdb.create({}, function(err, w1) {
assert.noError(err);
wdb.create({}, function(err, w2) {
assert.noError(err);
wdb.create({}, function(err, to) {
assert.noError(err);
// Coinbase
var t1 = bcoin.mtx()
.addOutput(w1, 5460)
.addOutput(w1, 5460)
.addOutput(w1, 5460)
.addOutput(w1, 5460);
t1.addInput(dummyInput);
// Fake TX should temporarly change output
// Coinbase
var t2 = bcoin.mtx()
.addOutput(w2, 5460)
.addOutput(w2, 5460)
.addOutput(w2, 5460)
.addOutput(w2, 5460);
t2.addInput(dummyInput);
// Fake TX should temporarly change output
wdb.addTX(t1, function(err) {
assert.noError(err);
wdb.addTX(t2, function(err) {
assert.noError(err);
// Create our tx with an output
var tx = bcoin.mtx();
tx.addOutput(to, 5460);
var cost = tx.getOutputValue();
var total = cost.add(new bn(constants.tx.minFee));
w1.getCoins(function(err, coins1) {
assert.noError(err);
w2.getCoins(function(err, coins2) {
assert.noError(err);
// Add dummy output (for `left`) to calculate maximum TX size
tx.addOutput(w1, new bn(0));
// Add our unspent inputs to sign
tx.addInput(coins1[0]);
tx.addInput(coins1[1]);
tx.addInput(coins2[0]);
var left = tx.getInputValue().sub(total);
if (left.cmpn(constants.tx.dustThreshold) < 0) {
tx.outputs[tx.outputs.length - 2].value.iadd(left);
left = new bn(0);
}
if (left.cmpn(0) === 0)
tx.outputs.pop();
else
tx.outputs[tx.outputs.length - 1].value = left;
// Sign transaction
assert.equal(w1.sign(tx), 2);
assert.equal(w2.sign(tx), 1);
// Verify
assert.equal(tx.verify(), true);
// Sign transaction using `inputs` and `off` params.
tx.inputs.length = 0;
tx.addInput(coins1[1]);
tx.addInput(coins1[2]);
tx.addInput(coins2[1]);
assert.equal(w1.sign(tx), 2);
assert.equal(w2.sign(tx), 1);
// Verify
assert.equal(tx.verify(), true);
cb();
});
});
});
});
});
});
});
});
function multisig(witness, bullshitNesting, cb) {
var flags = bcoin.protocol.constants.flags.STANDARD_VERIFY_FLAGS;
if (witness)
flags |= bcoin.protocol.constants.flags.VERIFY_WITNESS;
// Create 3 2-of-3 wallets with our pubkeys as "shared keys"
var options = {
witness: witness,
derivation: 'bip44',
type: 'multisig',
m: 2,
n: 3
};
wdb.create(utils.merge({}, options), function(err, w1) {
assert.noError(err);
wdb.create(utils.merge({}, options), function(err, w2) {
assert.noError(err);
wdb.create(utils.merge({}, options), function(err, w3) {
assert.noError(err);
wdb.create({}, function(err, receive) {
assert.noError(err);
w1.addKey(w2);
w1.addKey(w3);
w2.addKey(w1);
w2.addKey(w3);
w3.addKey(w1);
w3.addKey(w2);
// w3 = bcoin.wallet.fromJSON(w3.toJSON());
// Our p2sh address
var addr = w1.getAddress();
if (witness)
assert(bcoin.address.parse(addr).type === 'witnessscripthash');
else
assert(bcoin.address.parse(addr).type === 'scripthash');
assert.equal(w1.getAddress(), addr);
assert.equal(w2.getAddress(), addr);
assert.equal(w3.getAddress(), addr);
var paddr = w1.getProgramAddress();
assert.equal(w1.getProgramAddress(), paddr);
assert.equal(w2.getProgramAddress(), paddr);
assert.equal(w3.getProgramAddress(), paddr);
// Add a shared unspent transaction to our wallets
var utx = bcoin.mtx();
if (bullshitNesting)
utx.addOutput({ address: paddr, value: 5460 * 10 });
else
utx.addOutput({ address: addr, value: 5460 * 10 });
utx.addInput(dummyInput);
assert(w1.ownOutput(utx.outputs[0]));
// Simulate a confirmation
utx.ps = 0;
utx.ts = 1;
utx.height = 1;
assert.equal(w1.receiveDepth, 1);
wdb.addTX(utx, function(err) {
assert.noError(err);
wdb.addTX(utx, function(err) {
assert.noError(err);
wdb.addTX(utx, function(err) {
assert.noError(err);
assert.equal(w1.receiveDepth, 2);
assert.equal(w1.changeDepth, 1);
assert(w1.getAddress() !== addr);
addr = w1.getAddress();
assert.equal(w1.getAddress(), addr);
assert.equal(w2.getAddress(), addr);
assert.equal(w3.getAddress(), addr);
// Create a tx requiring 2 signatures
var send = bcoin.mtx();
send.addOutput({ address: receive.getAddress(), value: 5460 });
assert(!send.verify(null, true, flags));
w1.fill(send, { m: w1.m, n: w1.n }, function(err) {
assert.noError(err);
w1.sign(send);
assert(!send.verify(null, true, flags));
w2.sign(send);
assert(send.verify(null, true, flags));
assert.equal(w1.changeDepth, 1);
var change = w1.changeAddress.getAddress();
assert.equal(w1.changeAddress.getAddress(), change);
assert.equal(w2.changeAddress.getAddress(), change);
assert.equal(w3.changeAddress.getAddress(), change);
// Simulate a confirmation
send.ps = 0;
send.ts = 1;
send.height = 1;
wdb.addTX(send, function(err) {
assert.noError(err);
wdb.addTX(send, function(err) {
assert.noError(err);
wdb.addTX(send, function(err) {
assert.noError(err);
assert.equal(w1.receiveDepth, 2);
assert.equal(w1.changeDepth, 2);
assert(w1.getAddress() === addr);
assert(w1.changeAddress.getAddress() !== change);
change = w1.changeAddress.getAddress();
assert.equal(w1.changeAddress.getAddress(), change);
assert.equal(w2.changeAddress.getAddress(), change);
assert.equal(w3.changeAddress.getAddress(), change);
if (witness)
send.inputs[0].witness.items[2] = new Buffer([]);
else
send.inputs[0].script.code[2] = 0;
assert(!send.verify(null, true, flags));
assert.equal(send.getFee().toNumber(), 10000);
w3 = bcoin.wallet.fromJSON(w3.toJSON());
assert.equal(w3.receiveDepth, 2);
assert.equal(w3.changeDepth, 2);
assert.equal(w3.getAddress(), addr);
assert.equal(w3.changeAddress.getAddress(), change);
cb();
});
});
});
});
});
});
});
});
});
});
});
}
it('should verify 2-of-3 scripthash tx', function(cb) {
multisig(false, false, cb);
});
it('should verify 2-of-3 witnessscripthash tx', function(cb) {
multisig(true, false, cb);
});
it('should verify 2-of-3 witnessscripthash tx with bullshit nesting', function(cb) {
multisig(true, true, cb);
});
it('should have gratuitous dump', function(cb) {
bcoin.walletdb().dump(function(err, records) {
assert.noError(err);
console.log(records);
setTimeout(cb, 200);
});
});
});