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124 lines
3.6 KiB
124 lines
3.6 KiB
'use strict';
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var chai = chai || require('chai');
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var bitcore = bitcore || require('../bitcore');
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var should = chai.should();
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var testdata = testdata || require('./testdata');
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var BlockModule = bitcore.Block;
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var BinaryParser = bitcore.BinaryParser;
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var Block;
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var getBlock = function (onlyHeader) {
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var testnetMagic = bitcore.networks.testnet.magic.toString('hex');
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var b = new Block();
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// this is block 86756 from testnet3
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var p = new BinaryParser(testdata.dataRawBlock);
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var magic = p.buffer(4).toString('hex');
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if (magic !== testnetMagic )
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throw new Error('CRITICAL ERROR: Magic number mismatch: ' +
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magic + ' : ' + testnetMagic);
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p.word32le();
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b.parse(p, onlyHeader);
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return b;
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};
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describe('Block', function() {
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it('should initialze the main object', function() {
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should.exist(BlockModule);
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});
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it('should be able to create class', function() {
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Block = BlockModule;
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should.exist(Block);
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});
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it('should be able to create instance', function() {
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var b = new Block();
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should.exist(b);
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});
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it('should be able to parse a block from hex', function() {
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var b = getBlock();
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should.exist(b);
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should.exist(b.getHash());
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});
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it('should be able to check block contents', function() {
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var b = getBlock();
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should.exist(b.getHash());
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b.checkHash().should.equal(true);
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b.checkProofOfWork().should.equal(true);
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b.checkProofOfWork().should.equal(true);
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b.getWork().toString().should.equal('17180131332');
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b.checkTimestamp().should.equal(true);
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});
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it('#checkBlock should be able to check block contents', function() {
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var b = getBlock();
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should.exist(b.getHash());
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b.checkBlock().should.equal(true);
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});
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it('should be able to check Transactions', function() {
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var b = getBlock();
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b.checkTransactions(b.txs).should.equal(true);
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b.checkTransactions.bind([]).should.throw();
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b.getMerkleTree(b.txs).length.should.equal(45);
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bitcore.buffertools.toHex(b.calcMerkleRoot(b.txs)).should.equal(bitcore.buffertools.toHex(b.merkle_root));
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var coinbase = b.txs.shift;
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b.checkTransactions.bind(b.txs).should.throw();
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b.txs.push(coinbase);
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b.checkTransactions.bind(b.txs).should.throw();
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});
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it('should be able to checkProofOfWork', function() {
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var b = getBlock();
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b.hash = bitcore.buffertools.reverse(new Buffer('000000000b99b16390660d79fcc138d2ad0c89a0d044c4201a02bdf1f61ffa11', 'hex'));
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b.checkHash().should.equal(true);
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b.checkProofOfWork().should.equal(true);
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// wrong hash hash, ok proof of work
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b.hash = bitcore.buffertools.reverse(new Buffer('000000000000016390660d79fcc138d2ad0c89a0d044c4201a02bdf1f61ffa11', 'hex'));
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b.checkProofOfWork().should.equal(true);
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b.checkHash().should.equal(false);
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// wrong hash hash, wrong proof of work
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b.hash = bitcore.buffertools.reverse(new Buffer('0000000bbb99b16390660d79fcc138d2ad0c89a0d044c4201a02bdf1f61ffa11', 'hex'));
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b.checkHash().should.equal(false);
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b.checkProofOfWork.bind().should.throw();
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});
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it('should be able to get components from blocks', function() {
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var b = getBlock(true);
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bitcore.util.formatHashFull(b.getHash()).should.equal('000000000b99b16390660d79fcc138d2ad0c89a0d044c4201a02bdf1f61ffa11');
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bitcore.util.formatHashFull(b.getHeader()).should.equal('d6383bd51c3fffc051be10ce58e6d52d1eb00470ae1ab4d5a3375c0f51382c6f249fff84e9888286974cfc97000000003c35b5e70b13d5b938fef4e998a977c17bea978390273b7c50a9aa4b00000002');
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bitcore.util.formatHashFull(b.merkle_root).should.equal('58e6d52d1eb00470ae1ab4d5a3375c0f51382c6f249fff84e9888286974cfc97');
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});
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});
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