fcoin/test/tx-test.js

var assert = require('assert');
var bn = require('bn.js');
var bcoin = require('../')();
var utils = bcoin.utils;
var constants = bcoin.protocol.constants;
var opcodes = bcoin.protocol.constants.opcodes;
var valid = require('./data/tx_valid');
var invalid = require('./data/tx_invalid');

describe('TX', function() {
  var parser = bcoin.protocol.parser;
  var raw = '010000000125393c67cd4f581456dd0805fa8e9db3abdf90dbe1d4b53e28' +
            '6490f35d22b6f2010000006b483045022100f4fa5ced20d2dbd2f905809d' +
            '79ebe34e03496ef2a48a04d0a9a1db436a211dd202203243d086398feb4a' +
            'c21b3b79884079036cd5f3707ba153b383eabefa656512dd0121022ebabe' +
            'fede28804b331608d8ef11e1d65b5a920720db8a644f046d156b3a73c0ff' +
            'ffffff0254150000000000001976a9140740345f114e1a1f37ac1cc442b4' +
            '32b91628237e88ace7d27b00000000001976a91495ad422bb5911c2c9fe6' +
            'ce4f82a13c85f03d9b2e88ac00000000';
  var inp = '01000000052fa236559f51f343f0905ea627a955f421a198541d928798b8' +
            '186980273942ec010000006b483045022100ae27626778eba264d56883f5' +
            'edc1a49897bf209e98f21c870a55d13bec916e1802204b66f4e3235143d1' +
            '1aef327d9454754cd1f28807c3bf9996c107900df9d19ea60121022ebabe' +
            'fede28804b331608d8ef11e1d65b5a920720db8a644f046d156b3a73c0ff' +
            'ffffffe2136f72e4a25e300137b98b402cda91db5c6db6373ba81c722ae1' +
            'a85315b591000000006b483045022100f84293ea9bfb6d150f3a72d8b5ce' +
            'b294a77b31442bf9d4ab2058f046a9b65a9f022075935dc0a6a628df26eb' +
            'b7215634fd33b65f4da105665595028837680b87ea360121039708df1967' +
            '09c5041dc9a26457a0cfa303076329f389687bdc9709d5862fd664ffffff' +
            'fff6e67655a42a2f955ec8610940c983042516c32298e57684b3c29fcade' +
            '7e637a000000006a47304402203bbfb53c3011d742f3f942db18a44d8c3d' +
            'd111990ee7cc42959383dd7a3e8e8d02207f0f5ed3e165d9db81ac69d36c' +
            '60a1a4a482f22cb0048dafefa5e704e84dd18e0121039708df196709c504' +
            '1dc9a26457a0cfa303076329f389687bdc9709d5862fd664ffffffff9a02' +
            'e72123a149570c11696d3c798593785e95b8a3c3fc49ae1d07d809d94d5a' +
            '000000006b483045022100ad0e6f5f73221aa4eda9ad82c7074882298bcf' +
            '668f34ae81126df0213b2961850220020ba23622d75fb8f95199063b804f' +
            '62ba103545af4e16b5be0b6dc0cb51aac60121039708df196709c5041dc9' +
            'a26457a0cfa303076329f389687bdc9709d5862fd664ffffffffd7db5a38' +
            '72589ca8aa3cd5ebb0f22dbb3956f8d691e15dc010fe1093c045c3de0000' +
            '00006b48304502210082b91a67da1f02dcb0d00e63b67f10af8ba9639b16' +
            '5f9ff974862a9d4900e27c022069e4a58f591eb3fc7d7d0b176d64d59e90' +
            'aef0c601b3c84382abad92f6973e630121039708df196709c5041dc9a264' +
            '57a0cfa303076329f389687bdc9709d5862fd664ffffffff025415000000' +
            '0000001976a9140740345f114e1a1f37ac1cc442b432b91628237e88ac4b' +
            '0f7c00000000001976a91495ad422bb5911c2c9fe6ce4f82a13c85f03d9b' +
            '2e88ac00000000';

  it('should decode/encode with parser/framer', function() {
    var tx = bcoin.tx(parser.parseTX(new Buffer(raw, 'hex')));
    assert.equal(tx.render().toString('hex'), raw);
  });

  it('should be verifiable', function() {
    var tx = bcoin.tx(parser.parseTX(new Buffer(raw, 'hex')));
    var p = bcoin.tx(parser.parseTX(new Buffer(inp, 'hex')));
    tx.fillCoins(p);

    assert(tx.verify());
  });

  function parseTest(data) {
    var coins = data[0];
    var tx = bcoin.tx.fromRaw(data[1], 'hex');
    var flags = data[2] ? data[2].trim().split(/,\s*/) : [];
    var flag = 0;

    for (var i = 0; i < flags.length; i++)
      flag |= constants.flags['VERIFY_' + flags[i]];

    flags = flag;

    coins.forEach(function(data) {
      var hash = data[0];
      var index = data[1];
      utils.print(data[2]);
      var script = bcoin.script.fromTestString(data[2]);
      var value = data[3];
      var coin = new bcoin.coin({
        version: 1,
        height: -1,
        coinbase: false,
        hash: utils.revHex(hash),
        index: index,
        script: script,
        value: value != null ? new bn(value) : new bn(0)
      });
      tx.fillCoins(coin);
    });

    if (!tx.hasCoins())
      return;

    return {
      tx: tx,
      flags: flags,
      comments: tx.inputs[0].coin.script.inspect(),
      data: data
    };
  }

  [[valid, true], [invalid, false]].forEach(function(test) {
    var arr = test[0];
    var valid = test[1];
    var comment = '';
    arr.forEach(function(json, i) {
      if (json.length === 1) {
        comment += ' ' + json[0];
        return;
      }

      var data = parseTest(json);

      if (!data) {
        comment = '';
        return;
      }

      var tx = data.tx;
      var flags = data.flags;
      var comments = comment;
      if (!comments.trim())
        comment = data.comment;
      comment = '';

      if (valid) {
        it('should handle valid tx test: ' + comments, function () {
          assert.ok(tx.verify(null, true, flags));
        });
      } else {
        it('should handle invalid tx test: ' + comments, function () {
          try {
          assert.ok(!tx.verify(null, true, flags));
          } catch (e) {
            utils.error(tx);
            throw e;
          }
        });
      }
    });
  });
});