copay/test/TxProposal.js

818 lines
24 KiB
JavaScript

'use strict';
var Transaction = bitcore.Transaction;
var WalletKey = bitcore.WalletKey;
var Key = bitcore.Key;
var bignum = bitcore.Bignum;
var Script = bitcore.Script;
var TransactionBuilder = bitcore.TransactionBuilder;
var util = bitcore.util;
var networks = bitcore.networks;
var Buffer = bitcore.Buffer;
var TxProposal = copay.TxProposal;
describe('TxProposal', function() {
// These 2 signed the scripts below
var PUBKEYS = ['03197599f6e209cefef07da2fddc6fe47715a70162c531ffff8e611cef23dfb70d', '03a94351fecc4328bb683bf93a1aa67378374904eac5980c7966723a51897c56e3'];
// Signatures of the scripts below
var SIG0 = '304502200708a381dde585ef7fdfaeaeb5da9b451d3e22b01eac8a5e3d03b959e24a7478022100c90e76e423523a54a9e9c43858337ebcef1a539a7fc685c2698dd8648fcf1b9101';
var SIG1 = '3044022030a77c9613d6ee010717c1abc494668d877e3fa0ae4c520f65cc3b308754c98c02205219d387bcb291bd44805b9468439e4168b02a6a180cdbcc24d84d71d696c1ae01';
/* decoded redeemscript
*
"asm" : "3 03197599f6e209cefef07da2fddc6fe47715a70162c531ffff8e611cef23dfb70d 0380a29968851f93af55e581c43d9ef9294577a439a3ca9fc2bc47d1ca2b3e9127 0392dccb2ed470a45984811d6402fdca613c175f8f3e4eb8e2306e8ccd7d0aed03 03a94351fecc4328bb683bf93a1aa67378374904eac5980c7966723a51897c56e3 03e085eb6fa1f20b2722c16161144314070a2c316a9cae2489fd52ce5f63fff6e4 5 OP_CHECKMULTISIG",
*/
// 1,2 signatures 3-5!
var SCRIPTSIG = _.map([
'0048304502207d8e832bd576c93300e53ab6cbd68641961bec60690c358fd42d8e42b7d7d687022100a1daa89923efdb4c9b615d065058d9e1644f67000694a7d0806759afa7bef19b014cad532103197599f6e209cefef07da2fddc6fe47715a70162c531ffff8e611cef23dfb70d210380a29968851f93af55e581c43d9ef9294577a439a3ca9fc2bc47d1ca2b3e9127210392dccb2ed470a45984811d6402fdca613c175f8f3e4eb8e2306e8ccd7d0aed032103a94351fecc4328bb683bf93a1aa67378374904eac5980c7966723a51897c56e32103e085eb6fa1f20b2722c16161144314070a2c316a9cae2489fd52ce5f63fff6e455ae',
'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'
], function(hex) {
return new Buffer(hex, 'hex');
});
var someKeys = ["03b39d61dc9a504b13ae480049c140dcffa23a6cc9c09d12d6d1f332fee5e18ca5", "022929f515c5cf967474322468c3bd945bb6f281225b2c884b465680ef3052c07e"];
// 3-5
function dummyBuilder(opts) {
opts = opts || {};
var index = opts.nsig ? opts.nsig - 1 : 1;
var script = SCRIPTSIG[index];
var aIn = {
s: script
};
var tx = {};
tx.ins = opts.noins ? [] : [opts.nosigs ? {} : aIn];
tx.serialize = sinon.stub().returns(new Buffer('1234', 'hex'));
tx.getSize = sinon.stub().returns(1);
tx.getHashType = sinon.stub().returns(opts.hashtype || 1);
tx.getNormalizedHash = sinon.stub().returns('123456');
tx.hashForSignature = sinon.stub().returns(
new Buffer('31103626e162f1cbfab6b95b08c9f6e78aae128523261cb37f8dfd4783cb09a7', 'hex'));
var builder = {};
builder.opts = opts.opts || {};
builder.build = sinon.stub().returns(tx)
builder.toObj = sinon.stub().returns({
iAmBuilderObj: true,
version: 1,
opts: builder.opts,
});
builder.isFullySigned = sinon.stub().returns(false);
builder.vanilla = {
scriptSig: [SCRIPTSIG[1]],
outs: JSON.stringify([{
address: '2NDJbzwzsmRgD2o5HHXPhuq5g6tkKTjYkd6',
amountSatStr: '123',
}]),
};
builder.inputsSigned = 0;
return builder;
};
function dummyProposal(opts) {
opts = opts || {};
return new TxProposal({
creator: 'creator',
createdTs: 1,
builder: dummyBuilder(opts),
inputChainPaths: ['m/1'],
})
};
describe('new', function() {
it('should fail to create an instance with wrong arguments', function() {
(function() {
var txp = new TxProposal();
}).should.throw('Illegal Argument');
(function() {
var txp = new TxProposal({
creator: 1
});
}).should.throw('no inputChainPaths');
});
it('should create an instance', function() {
var txp = new TxProposal({
creator: 1,
createdTs: 1,
builder: dummyBuilder(),
inputChainPaths: 'm/1',
});
should.exist(txp);
txp.creator.should.equal(1);
should.exist(txp.builder);
txp.inputChainPaths.should.equal('m/1');
});
});
describe('#getId', function() {
it('should return id', function() {
var b = new dummyBuilder();
var txp = new TxProposal({
creator: 1,
createdTs: 1,
builder: b,
inputChainPaths: 'm/1',
});
txp.getId().should.equal('123456');;
sinon.assert.callCount(b.build().getNormalizedHash, 1);
});
});
describe('#toObj', function() {
it('should return an object and remove builder', function() {
var b = new dummyBuilder();
var txp = new TxProposal({
creator: 1,
createdTs: 1,
builder: b,
inputChainPaths: 'm/1',
});
var o = txp.toObj();
should.exist(o);
o.creator.should.equal(1);
should.not.exist(o.builder);
should.exist(o.builderObj);
});
it('toObjTrim', function() {
var b = new dummyBuilder();
var txp = new TxProposal({
creator: 1,
createdTs: 1,
builder: b,
inputChainPaths: 'm/1',
comment: 'hola',
});
var o = txp.toObjTrim();
should.exist(o);
should.not.exist(o.creator);
should.not.exist(o.builder);
should.exist(o.comment);
should.exist(o.builderObj);
});
});
describe('#fromUntrustedObj', function() {
it('should fail to create from wrong object', function() {
var b = new dummyBuilder();
(function() {
var txp = TxProposal.fromUntrustedObj({
creator: 1,
createdTs: 1,
builderObj: b.toObj(),
inputChainPaths: ['m/1'],
});
}).should.throw('tx is not defined');
});
it('sets force opts', function() {
// Create an incomming TX proposal, with certain options...
var b = new dummyBuilder({
opts: {
juan: 1,
pepe: 1,
fee: 1000
}
});
var o = {
creator: 1,
createdTs: 1,
builderObj: b.toObj(),
inputChainPaths: ['m/1'],
};
sinon.stub(TxProposal.prototype, '_check').returns(true);
//Force other options
var txp = TxProposal.fromUntrustedObj(o, {
pepe: 100
});
o.builderObj.opts.should.deep.equal({
juan: 1,
pepe: 100,
feeSat: undefined,
fee: undefined
});
TxProposal.prototype._check.restore();
});
});
describe('#fromObj', function() {
});
describe('#getSeen', function() {
it('should set txid and timestamp', function() {
var txp = new TxProposal({
creator: 1,
createdTs: 1,
builder: new dummyBuilder(),
inputChainPaths: ['m/1'],
});
var ts = txp.getSeen('pepe');
expect(ts).to.be.undefined;
txp.setSeen('pepe');
ts = txp.getSeen('pepe');
expect(ts).to.be.not.undefined;
txp.setSeen('pepe');
var ts2 = txp.getSeen('pepe');
ts.should.be.equal(ts2);
});
});
describe('#setSent', function() {
it('should set txid and timestamp', function() {
var now = Date.now();
var txp = new TxProposal({
creator: 1,
createdTs: 1,
builder: new dummyBuilder(),
inputChainPaths: ['m/1'],
});
txp.setSent('3a42');
txp.sentTs.should.gte(now);
txp.sentTxid.should.equal('3a42');
});
});
describe('#getSent', function() {
it('should get sent timestamp', function() {
var now = Date.now();
var txp = new TxProposal({
creator: 1,
createdTs: 1,
builder: new dummyBuilder(),
inputChainPaths: ['m/1'],
});
var sentTs = txp.getSent();
should.not.exist(sentTs);
txp.setSent('3a42');
sentTs = txp.getSent();
sentTs.should.gte(now);
});
});
describe('Signature verification', function() {
var validScriptSig1Sig = new bitcore.Script(SCRIPTSIG[0]);
var validScriptSig = new bitcore.Script(SCRIPTSIG[1]);
var pubkeys = [
'03197599f6e209cefef07da2fddc6fe47715a70162c531ffff8e611cef23dfb70d',
'0380a29968851f93af55e581c43d9ef9294577a439a3ca9fc2bc47d1ca2b3e9127',
'0392dccb2ed470a45984811d6402fdca613c175f8f3e4eb8e2306e8ccd7d0aed03',
'03a94351fecc4328bb683bf93a1aa67378374904eac5980c7966723a51897c56e3',
'03e085eb6fa1f20b2722c16161144314070a2c316a9cae2489fd52ce5f63fff6e4'
].map(function(hex) {
return new Buffer(hex, 'hex');
});
var keyBuf = someKeys.map(function(hex) {
return new Buffer(hex, 'hex');
});
it('#formatKeys', function() {
(function() {
TxProposal.formatKeys(someKeys);
}).should.throw('buffers');
var res = TxProposal.formatKeys(keyBuf);
});
it('#_verifyScriptSig arg checks', function() {
var txp = dummyProposal();
(function() {
txp.verifySignatures(
keyBuf,
new bitcore.Script(new Buffer('112233', 'hex')),
new Buffer('1a', 'hex'));
}).should.throw('script');
});
it('#_verifyScriptSig, no signatures', function() {
var txp = dummyProposal();
(function() {
txp.verifySignatures(keyBuf, validScriptSig, new Buffer(32));
}).should.throw('invalid');
});
it('#_verifyScriptSig, one signature', function() {
// Data taken from bitcore's TransactionBuilder test
var txp = dummyProposal();
var tx = dummyProposal().builder.build();
var ret = txp.verifySignatures(pubkeys, validScriptSig1Sig, tx.hashForSignature());
ret.should.deep.equal(['03197599f6e209cefef07da2fddc6fe47715a70162c531ffff8e611cef23dfb70d']);
});
it('#_verifyScriptSig, two signatures', function() {
// Data taken from bitcore's TransactionBuilder test
var txp = dummyProposal();
var tx = dummyProposal().builder.build();
var ret = txp.verifySignatures(pubkeys, validScriptSig, tx.hashForSignature());
ret.should.deep.equal(['03197599f6e209cefef07da2fddc6fe47715a70162c531ffff8e611cef23dfb70d', '03a94351fecc4328bb683bf93a1aa67378374904eac5980c7966723a51897c56e3']);
});
it('#infoFromRedeemScript', function() {
var info = TxProposal.infoFromRedeemScript(validScriptSig);
var keys = info.keys;
keys.length.should.equal(5);
for (var i in keys) {
keys[i].toString('hex').should.equal(pubkeys[i].toString('hex'));
}
Buffer.isBuffer(info.script.getBuffer()).should.equal(true);
});
it('#getSignersPubKeys', function() {
var txp = dummyProposal();
var pubkeys = txp.getSignersPubKeys();
pubkeys.should.deep.equal([PUBKEYS]);
});
describe('#getSignatures', function() {
it('should get signatures', function() {
var txp = dummyProposal();
var sigs = txp.getSignatures();
sigs.length.should.equal(1);
sigs[0].length.should.equal(2);
sigs[0][0].should.equal(SIG0);
sigs[0][1].should.equal(SIG1);
});
});
describe('#addSignature', function() {
it('should add signatures maintaing pubkeys order', function() {
var txp = dummyProposal({
nsig: 1
});
txp.getSignersPubKeys()[0].length.should.equal(1);
txp.addSignature('pepe', [SIG1]);
txp.getSignersPubKeys(true)[0].length.should.equal(2);
var keys = txp.getSignersPubKeys()[0];
var keysSorted = _.clone(keys).sort();
keysSorted.should.deep.equal(keys);
});
it('should add signatures to incomplete txs ', function() {
var txp = dummyProposal({
nsig: 1
});
txp.addSignature('pepe', [SIG1]);
txp.builder.inputsSigned.should.be.equal(0);
});
it('should not add signatures to complete txs ', function() {
var txp = dummyProposal({
nsig: 1
});
txp.builder.isFullySigned = sinon.stub.returns(true);
var r = txp.addSignature('pepe', [SIG1]);
r.should.be.false;
});
it('should fail with invalid signatures', function() {
var txp = dummyProposal({
nsig: 1
});
txp.getSignersPubKeys()[0].length.should.equal(1);
(function() {
txp.addSignature('pepe', ['002030a77c9613d6ee010717c1abc494668d877e3fa0ae4c520f65cc3b308754c98c02205219d387bcb291bd44805b9468439e4168b02a6a180cdbcc24d84d71d696c1ae01']);
}).should.throw('BADSIG');
});
it('should fail adding the same signature twice', function() {
var txp = dummyProposal({
nsig: 1
});
txp.getSignersPubKeys()[0].length.should.equal(1);
txp.addSignature('pepe', [SIG1]);
(function() {
txp.addSignature('pepe', [SIG1]);
}).should.throw('BADSIG');
});
});
describe('#_check', function() {
it('OK', function() {
dummyProposal({})._check();
});
it('FAIL Invalid tx proposal', function() {
var txp = dummyProposal();
var old = txp.builder.signhash;
txp.builder.signhash = 'ppp';
(function() {
txp._check();
}).should.throw('Invalid tx proposal');
txp.builder.signhash = old;
});
it('FAIL ins', function() {
(function() {
dummyProposal({
noins: true,
})._check();
}).should.throw('no ins');
});
it('FAIL txp too big ', function() {
var txp = dummyProposal();
var old_builder = txp.builder.build;
var tx = {
getSize: function() {
return 90000;
}
};
txp.builder.build = sinon.stub().returns(tx);;
(function() {
txp._check();
}).should.throw('BIG: Invalid TX proposal. Too big');
txp.builder.build = old_builder;
});
it('FAIL signhash SINGLE', function() {
var txp = dummyProposal({
hashtype: Transaction.SIGHASH_SINGLE
});
(function() {
txp._check();
}).should.throw('signatures');
});
it('FAIL signhash NONE', function() {
var txp = dummyProposal({
hashtype: Transaction.SIGHASH_NONE,
});
(function() {
txp._check();
}).should.throw('signatures');
});
it('FAIL signhash ANYONECANPAY', function() {
var txp = dummyProposal({
hashtype: Transaction.SIGHASH_ANYONECANPAY,
});
(function() {
txp._check();
}).should.throw('signatures');
});
it('FAIL no signatures', function() {
var txp = dummyProposal({
nosigs: true,
});
(function() {
txp._check();
}).should.throw('no signatures');
});
});
describe('#_checkPayPro', function() {
var txp, md;
beforeEach(function() {
txp = dummyProposal();
txp.paymentProtocolURL = '123';
md = {
request_url: '123',
pr: {
pd: {
expires: 123,
memo: 'memo',
},
},
total: '1230',
outs: [{
address: '2NDJbzwzsmRgD2o5HHXPhuq5g6tkKTjYkd6',
amountSatStr: "123"
}],
expires: 92345678900,
};
});
it('OK no merchant data', function() {
txp._checkPayPro();
});
it('OK merchant data', function() {
txp.addMerchantData(md);
});
it('NOK URL', function() {
txp.paymentProtocolURL = '1234';
(function() {
txp.addMerchantData(md);
}).should.throw('Mismatch');
});
it('NOK OUTS', function() {
md.outs = [];
(function() {
txp.addMerchantData(md);
}).should.throw('outputs');
});
it('NOK OUTS (case 2)', function() {
md.outs = [{}, {}];
(function() {
txp.addMerchantData(md);
}).should.throw('outputs');
});
it('NOK OUTS (case 3)', function() {
md.outs = [{}, {}];
(function() {
txp.addMerchantData(md);
}).should.throw('outputs');
});
it('NOK OUTS (case 4)', function() {
txp.builder.vanilla.outs = '[1,2]';
txp.merchant = {};
txp.paymentProtocolURL = txp.merchant.request_url;
txp.merchant.total = 1;
txp.merchant.outs = [{
amountSatStr: '1',
address: '2NDJbzwzsmRgD2o5HHXPhuq5g6tkKTjYkd6'
}];
(function() {
txp._checkPayPro();
}).should.throw('Wrong outs in Tx');
});
it('NOK Amount', function() {
md.total = undefined;
(function() {
txp.addMerchantData(md);
}).should.throw('amount');
});
it('NOK Outs case 4', function() {
md.outs[0].address = 'aaa';
(function() {
txp.addMerchantData(md);
}).should.throw('address');
});
it('NOK Outs case 5', function() {
md.outs[0].amountSatStr = '432';
(function() {
txp.addMerchantData(md);
}).should.throw('amount');
});
it('NOK Expired', function() {
md.expires = 1;
(function() {
txp.addMerchantData(md);
}).should.throw('expired');
});
it('OK Expired but sent', function() {
md.expires = 2;
txp.sentTs = 1;
txp.addMerchantData(md);
});
});
describe.skip('#merge', function() {
it('with self', function() {
var txp = dummyProposal();
var hasChanged = txp.merge(txp);
hasChanged.should.equal(false);
});
it('with less signatures', function() {
var txp = dummyProposal();
var txp1Sig = dummyProposal({
nsig: 1
});
var backup = txp.builder.vanilla.scriptSig[0];
var hasChanged = txp.merge(txp);
hasChanged.should.equal(true);
txp.builder.vanilla.scriptSig = [backup];
txp.builder.tx.ins[0].s = new Buffer(backup, 'hex');
});
it('with more signatures', function() {
txp.builder.merge = function() {
// 3 signatures.
this.vanilla.scriptSig = ['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'];
this.tx.ins[0].s = new Buffer(this.vanilla.scriptSig[0], 'hex');
};
var hasChanged = txp.merge(txp);
hasChanged.should.equal(true);
});
});
describe('#setCopayers', function() {
it("should fails if Tx has no creator", function() {
var txp = dummyProposal();
txp.signedBy = {
'hugo': 1
};
delete txp['creator'];
(function() {
txp.setCopayers({
pk1: 'pepe'
})
}).should.throw('no creator');
});
it("should fails if Tx is not signed by creator", function() {
var txp = dummyProposal();
txp.creator = 'creator';
txp.signedBy = {
'hugo': 1
};
txp._inputSigners = [
['pkX']
];
(function() {
txp.setCopayers({
pk1: 'pepe'
})
}).should.throw('creator');
});
it("should fails if Tx has unmapped signatures", function() {
var txp = dummyProposal();
txp.creator = 'creator';
txp.signedBy = {
creator: 1
};
txp._inputSigners = [
['pk0', 'pkX']
];
(function() {
txp.setCopayers({
pk1: 'pepe'
})
}).should.throw('unknown sig');
});
// This was disabled. Unnecessary to check this.
it.skip("should be signed by sender", function() {
var txp = dummyProposal();
var ts = Date.now();
txp._inputSigners = [
['pk1', 'pk0']
];
txp.signedBy = {
'creator': Date.now()
};
(function() {
txp.setCopayers({
pk0: 'creator',
pk1: 'pepe',
pk2: 'john'
})
}).should.throw('senders sig');
});
it("should set signedBy (trivial case)", function() {
var txp = dummyProposal();
var ts = Date.now();
sinon.stub(txp, 'getSignersPubKeys').returns(['pk1', 'pk0']);
txp.signedBy = {
'creator': Date.now()
};
txp.setCopayers({
pk0: 'creator',
pk1: 'pepe',
pk2: 'john'
})
Object.keys(txp.signedBy).length.should.equal(2);
txp.signedBy['pepe'].should.gte(ts);
txp.signedBy['creator'].should.gte(ts);
});
it("should assign creator", function() {
var txp = dummyProposal();
var ts = Date.now();
sinon.stub(txp, 'getSignersPubKeys').returns(['pk0']);
txp.signedBy = {};
delete txp['creator'];
delete txp['creatorTs'];
txp.setCopayers({
pk0: 'creator',
pk1: 'pepe',
pk2: 'john'
})
Object.keys(txp.signedBy).length.should.equal(1);
txp.creator.should.equal('creator');
txp.createdTs.should.gte(ts);
txp.seenBy['creator'].should.equal(txp.createdTs);
});
it("New tx should have only 1 signature", function() {
var txp = dummyProposal();
var ts = Date.now();
txp.signedBy = {};
delete txp['creator'];
delete txp['creatorTs'];
sinon.stub(txp, 'getSignersPubKeys').returns(['pk0', 'pk1']);
(function() {
txp.setCopayers({
pk0: 'creator',
pk1: 'pepe',
pk2: 'john'
}, {
'creator2': 1
});
}).should.throw('only 1');
});
it("if signed, should not change ts", function() {
var txp = dummyProposal();
var ts = Date.now();
sinon.stub(txp, 'getSignersPubKeys').returns(['pk0', 'pk1']);
txp.creator = 'creator';
txp.signedBy = {
'creator': 1
};
txp.setCopayers({
pk0: 'creator',
pk1: 'pepe',
pk2: 'john'
})
Object.keys(txp.signedBy).length.should.equal(2);
txp.creator.should.equal('creator');
txp.signedBy['creator'].should.equal(1);
txp.signedBy['pepe'].should.gte(ts);
});
});
});
describe('micelaneous functions', function() {
it('should sign previously reject tx', function() {
var txp = dummyProposal();
txp.rejectCount().should.equal(0);
txp.setRejected(['juan'])
txp.rejectCount().should.equal(1);
txp._setSigned('juan');
txp.rejectCount().should.equal(0);
});
it('should report rejectCount', function() {
var txp = dummyProposal();
txp.rejectCount().should.equal(0);
txp.setRejected(['juan'])
txp.rejectCount().should.equal(1);
});
it('should report isPending 1', function() {
var txp = dummyProposal();
txp.rejectedBy = [];
txp.sentTxid = 1;
txp.isPending(3).should.equal(false);
});
it('should report isPending 2', function() {
var txp = dummyProposal();
txp.rejectedBy = [];
txp.sentTxid = null;
txp.isPending(3).should.equal(true);
});
it('should report isPending 3', function() {
var txp = dummyProposal();
txp.rejectedBy = [1, 2, 3, 4];
txp.sentTxid = null;
txp.isPending(3).should.equal(false);
});
});
});