458 lines
11 KiB
JavaScript
458 lines
11 KiB
JavaScript
'use strict';
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var assert = require('assert');
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var BN = require('bn.js');
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var constants = require('../lib/protocol/constants');
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var co = require('../lib/utils/co');
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var Coin = require('../lib/primitives/coin');
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var Script = require('../lib/script/script');
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var FullNode = require('../lib/node/fullnode');
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var MTX = require('../lib/primitives/mtx');
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// var Client = require('../lib/wallet/client');
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var cob = co.cob;
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describe('Chain', function() {
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var node = new FullNode({ db: 'memory', apiKey: 'foo', network: 'regtest' });
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var chain = node.chain;
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var walletdb = node.walletdb;
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var miner = node.miner;
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var wallet, tip1, tip2, cb1, cb2, mineBlock;
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// walletdb.client = new Client({ apiKey: 'foo', network: 'regtest' });
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walletdb.options.resolution = false;
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node.on('error', function() {});
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this.timeout(5000);
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mineBlock = co(function* mineBlock(tip, tx) {
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var attempt = yield miner.createBlock(tip);
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var redeemer;
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if (!tx)
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return yield attempt.mineAsync();
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redeemer = new MTX();
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redeemer.addOutput({
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address: wallet.getReceive(),
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value: 25 * 1e8
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});
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redeemer.addOutput({
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address: wallet.getChange(),
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value: 5 * 1e8
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});
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redeemer.addInput(tx, 0);
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redeemer.setLocktime(chain.height);
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yield wallet.sign(redeemer);
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attempt.addTX(redeemer.toTX(), redeemer.view);
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return yield attempt.mineAsync();
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});
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it('should open chain and miner', cob(function* () {
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miner.mempool = null;
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constants.tx.COINBASE_MATURITY = 0;
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yield node.open();
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}));
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it('should open walletdb', cob(function* () {
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wallet = yield walletdb.create();
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miner.addresses.length = 0;
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miner.addAddress(wallet.getReceive());
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}));
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it('should mine a block', cob(function* () {
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var block = yield miner.mineBlock();
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assert(block);
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yield chain.add(block);
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}));
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it('should mine competing chains', cob(function* () {
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var i, block1, block2;
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for (i = 0; i < 10; i++) {
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block1 = yield mineBlock(tip1, cb1);
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cb1 = block1.txs[0];
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block2 = yield mineBlock(tip2, cb2);
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cb2 = block2.txs[0];
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yield chain.add(block1);
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yield chain.add(block2);
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assert(chain.tip.hash === block1.hash('hex'));
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tip1 = yield chain.db.getEntry(block1.hash('hex'));
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tip2 = yield chain.db.getEntry(block2.hash('hex'));
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assert(tip1);
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assert(tip2);
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assert(!(yield tip2.isMainChain()));
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}
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}));
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it('should have correct chain value', function() {
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assert.equal(chain.db.state.value, 55000000000);
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assert.equal(chain.db.state.coin, 20);
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assert.equal(chain.db.state.tx, 21);
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});
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it('should have correct balance', cob(function* () {
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var balance;
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yield co.timeout(100);
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balance = yield wallet.getBalance();
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assert.equal(balance.unconfirmed, 550 * 1e8);
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assert.equal(balance.confirmed, 550 * 1e8);
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}));
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it('should handle a reorg', cob(function* () {
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var entry, block, forked;
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assert.equal(walletdb.state.height, chain.height);
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assert.equal(chain.height, 11);
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entry = yield chain.db.getEntry(tip2.hash);
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assert(entry);
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assert(chain.height === entry.height);
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block = yield miner.mineBlock(entry);
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assert(block);
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forked = false;
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chain.once('reorganize', function() {
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forked = true;
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});
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yield chain.add(block);
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assert(forked);
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assert(chain.tip.hash === block.hash('hex'));
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assert(chain.tip.chainwork.cmp(tip1.chainwork) > 0);
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}));
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it('should have correct chain value', function() {
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assert.equal(chain.db.state.value, 60000000000);
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assert.equal(chain.db.state.coin, 21);
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assert.equal(chain.db.state.tx, 22);
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});
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it('should have correct balance', cob(function* () {
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var balance;
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yield co.timeout(100);
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balance = yield wallet.getBalance();
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assert.equal(balance.unconfirmed, 1100 * 1e8);
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assert.equal(balance.confirmed, 600 * 1e8);
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}));
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it('should check main chain', cob(function* () {
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var result = yield tip1.isMainChain();
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assert(!result);
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}));
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it('should mine a block after a reorg', cob(function* () {
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var block = yield mineBlock(null, cb2);
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var entry, result;
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yield chain.add(block);
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entry = yield chain.db.getEntry(block.hash('hex'));
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assert(entry);
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assert(chain.tip.hash === entry.hash);
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result = yield entry.isMainChain();
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assert(result);
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}));
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it('should prevent double spend on new chain', cob(function* () {
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var block = yield mineBlock(null, cb2);
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var tip = chain.tip;
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var err;
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try {
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yield chain.add(block);
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} catch (e) {
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err = e;
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}
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assert(err);
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assert.equal(err.reason, 'bad-txns-inputs-missingorspent');
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assert(chain.tip === tip);
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}));
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it('should fail to mine a block with coins on an alternate chain', cob(function* () {
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var block = yield mineBlock(null, cb1);
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var tip = chain.tip;
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var err;
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try {
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yield chain.add(block);
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} catch (e) {
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err = e;
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}
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assert(err);
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assert.equal(err.reason, 'bad-txns-inputs-missingorspent');
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assert(chain.tip === tip);
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}));
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it('should have correct chain value', function() {
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assert.equal(chain.db.state.value, 65000000000);
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assert.equal(chain.db.state.coin, 23);
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assert.equal(chain.db.state.tx, 24);
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});
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it('should get coin', cob(function* () {
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var block, tx, output, coin;
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block = yield mineBlock();
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yield chain.add(block);
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block = yield mineBlock(null, block.txs[0]);
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yield chain.add(block);
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tx = block.txs[1];
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output = Coin.fromTX(tx, 1, chain.height);
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coin = yield chain.db.getCoin(tx.hash('hex'), 1);
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assert.deepEqual(coin.toRaw(), output.toRaw());
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}));
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it('should get balance', cob(function* () {
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var balance, txs;
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yield co.timeout(100);
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balance = yield wallet.getBalance();
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assert.equal(balance.unconfirmed, 1250 * 1e8);
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assert.equal(balance.confirmed, 750 * 1e8);
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assert(wallet.account.receiveDepth >= 7);
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assert(wallet.account.changeDepth >= 6);
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assert.equal(walletdb.state.height, chain.height);
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txs = yield wallet.getHistory();
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assert.equal(txs.length, 45);
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}));
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it('should get tips and remove chains', cob(function* () {
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var tips = yield chain.db.getTips();
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assert.notEqual(tips.indexOf(chain.tip.hash), -1);
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assert.equal(tips.length, 2);
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yield chain.db.removeChains();
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tips = yield chain.db.getTips();
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assert.notEqual(tips.indexOf(chain.tip.hash), -1);
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assert.equal(tips.length, 1);
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}));
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it('should rescan for transactions', cob(function* () {
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var total = 0;
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yield chain.db.scan(0, walletdb.filter, function(block, txs) {
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total += txs.length;
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return Promise.resolve();
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});
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assert.equal(total, 26);
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}));
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it('should activate csv', cob(function* () {
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var deployments = chain.network.deployments;
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var i, block, prev, state, cache;
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prev = yield chain.tip.getPrevious();
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state = yield chain.getState(prev, deployments.csv);
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assert(state === 0);
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for (i = 0; i < 417; i++) {
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block = yield miner.mineBlock();
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yield chain.add(block);
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switch (chain.height) {
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case 144:
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prev = yield chain.tip.getPrevious();
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state = yield chain.getState(prev, deployments.csv);
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assert(state === 1);
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break;
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case 288:
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prev = yield chain.tip.getPrevious();
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state = yield chain.getState(prev, deployments.csv);
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assert(state === 2);
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break;
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case 432:
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prev = yield chain.tip.getPrevious();
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state = yield chain.getState(prev, deployments.csv);
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assert(state === 3);
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break;
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}
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}
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assert(chain.height === 432);
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assert(chain.state.hasCSV());
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cache = yield chain.db.getStateCache();
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assert.deepEqual(cache, chain.db.stateCache);
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assert.equal(chain.db.stateCache.updates.length, 0);
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assert(yield chain.db.verifyDeployments());
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}));
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var mineCSV = co(function* mineCSV(tx) {
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var attempt = yield miner.createBlock();
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var redeemer;
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redeemer = new MTX();
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redeemer.addOutput({
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script: [
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Script.array(new BN(1)),
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constants.opcodes.OP_CHECKSEQUENCEVERIFY
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],
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value: 10 * 1e8
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});
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redeemer.addInput(tx, 0);
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redeemer.setLocktime(chain.height);
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yield wallet.sign(redeemer);
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attempt.addTX(redeemer.toTX(), redeemer.view);
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return yield attempt.mineAsync();
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});
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it('should test csv', cob(function* () {
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var tx = (yield chain.db.getBlock(chain.height)).txs[0];
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var block = yield mineCSV(tx);
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var csv, attempt, redeemer;
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yield chain.add(block);
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csv = block.txs[1];
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redeemer = new MTX();
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redeemer.addOutput({
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script: [
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Script.array(new BN(2)),
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constants.opcodes.OP_CHECKSEQUENCEVERIFY
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],
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value: 10 * 1e8
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});
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redeemer.addInput(csv, 0);
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redeemer.setSequence(0, 1, false);
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attempt = yield miner.createBlock();
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attempt.addTX(redeemer.toTX(), redeemer.view);
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block = yield attempt.mineAsync();
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yield chain.add(block);
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}));
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it('should fail csv with bad sequence', cob(function* () {
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var csv = (yield chain.db.getBlock(chain.height)).txs[1];
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var block, attempt, redeemer, err;
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redeemer = new MTX();
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redeemer.addOutput({
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script: [
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Script.array(new BN(1)),
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constants.opcodes.OP_CHECKSEQUENCEVERIFY
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],
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value: 10 * 1e8
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});
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redeemer.addInput(csv, 0);
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redeemer.setSequence(0, 1, false);
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attempt = yield miner.createBlock();
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attempt.addTX(redeemer.toTX(), redeemer.view);
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block = yield attempt.mineAsync();
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try {
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yield chain.add(block);
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} catch (e) {
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err = e;
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}
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assert(err);
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assert(err.reason, 'mandatory-script-verify-flag-failed');
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}));
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it('should mine a block', cob(function* () {
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var block = yield miner.mineBlock();
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assert(block);
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yield chain.add(block);
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}));
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it('should fail csv lock checks', cob(function* () {
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var tx = (yield chain.db.getBlock(chain.height)).txs[0];
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var block = yield mineCSV(tx);
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var csv, attempt, redeemer, err;
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yield chain.add(block);
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csv = block.txs[1];
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redeemer = new MTX();
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redeemer.addOutput({
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script: [
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Script.array(new BN(2)),
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constants.opcodes.OP_CHECKSEQUENCEVERIFY
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],
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value: 10 * 1e8
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});
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redeemer.addInput(csv, 0);
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redeemer.setSequence(0, 2, false);
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attempt = yield miner.createBlock();
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attempt.addTX(redeemer.toTX(), redeemer.view);
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block = yield attempt.mineAsync();
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try {
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yield chain.add(block);
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} catch (e) {
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err = e;
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}
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assert(err);
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assert.equal(err.reason, 'bad-txns-nonfinal');
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}));
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it('should rescan for transactions', cob(function* () {
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yield walletdb.rescan(0);
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assert.equal(wallet.txdb.state.confirmed, 1289250000000);
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}));
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it('should cleanup', cob(function* () {
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constants.tx.COINBASE_MATURITY = 100;
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yield node.close();
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}));
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});
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