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<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/bridgeState.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <link rel="shortcut icon" type="image/x-icon" href="../favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="../index.html">All files</a> / <a href="index.html">src</a> bridgeState.js</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 72.46% Statements 100/138 </div> <div class='fl pad1y space-right2'> 42.86% Branches 18/42 </div> <div class='fl pad1y space-right2'> 66.67% Functions 14/21 </div> <div class='fl pad1y space-right2'> 72.06% Lines 98/136 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. 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                            3x      </td><td class="text"><pre class="prettyprint lang-js">/** * Copyright (c) 2018-present, Leap DAO (leapdao.org) * * This source code is licensed under the Mozilla Public License Version 2.0 * found in the LICENSE file in the root directory of this source tree. */   const Web3 = require('web3'); const TinyQueue = require('tinyqueue'); const { Period, Block, Outpoint } = require('leap-core'); const ContractsEventsSubscription = require('./utils/ContractsEventsSubscription'); const { handleEvents } = require('./utils'); const { GENESIS } = require('./utils/constants'); const { logBridge, logNode, logVerbose } = require('./utils/debug'); const saveSubmission = require('./utils/saveSubmission');   const bridgeABI = require('./abis/bridgeAbi'); const exitABI = require('./abis/exitHandler'); const singleOperatorABI = require('./abis/singleOperator'); let operatorABI = require('./abis/operator'); const proxyABI = require('./abis/proxy'); const { NFT_COLOR_BASE, NST_COLOR_BASE } = require('./api/methods/constants'); const flags = require('./flags');   module.exports = class BridgeState { constructor(db, privKey, config, eventsRelay, sender) { this.config = config; this.web3 = new Web3(config.rootNetwork); this.sender = sender;   this.exitHandlerContract = new this.web3.eth.Contract( exitABI.concat(proxyABI), config.exitHandlerAddr ); this.bridgeContract = new this.web3.eth.Contract( bridgeABI.concat(proxyABI), config.bridgeAddr ); // if theta mainnet or theta testnet, use old operator ABI Iif ( config.rootNetworkId === 448747062 || config.rootNetworkId === 218508104 ) { operatorABI = singleOperatorABI; } this.operatorContract = new this.web3.eth.Contract( operatorABI.concat(proxyABI), config.operatorAddr );   this.account = privKey ? this.web3.eth.accounts.privateKeyToAccount(privKey) : this.web3.eth.accounts.create();   this.db = db; this.blockHeight = 0; this.currentState = null; this.networkId = config.networkId; this.deposits = {}; this.exits = {}; this.tokens = { erc20: [], erc721: [], erc1948: [], }; this.epochLengths = []; this.minGasPrices = [];   this.flags = flags(this, config.flagHeights);   this.onNewBlock = this.onNewBlock.bind(this); this.eventsBuffer = new TinyQueue([], (a, b) => { if (a.blockNumber === b.blockNumber) { return a.logIndex - b.logIndex; } return a.blockNumber - b.blockNumber; }); this.bridgeDelay = config.bridgeDelay; this.eventsRelay = eventsRelay; this.logsCache = {}; this.exitingUtxos = {};   this.currentPeriod = null; this.periodProposal = null; this.submissions = []; this.lastBlocksRoot = null; this.lastPeriodRoot = null; this.lastProcessedPeriodRoot = GENESIS;   this.handleEvents = handleEvents({ NewDeposit: ({ returnValues: event }) => { logBridge( `NewDeposit. id: ${event.depositId} color: ${event.color} amount: ${event.amount} owner: ${event.depositor}` ); this.deposits[event.depositId] = { depositor: event.depositor, color: event.color, amount: event.amount, }; }, NewDepositV2: ({ returnValues: event }) => { logBridge( `NewDepositV2. id: ${event.depositId} color: ${event.color} amount: ${event.amount} owner: ${event.depositor}` ); this.deposits[event.depositId] = { depositor: event.depositor, color: event.color, amount: event.amount, data: event.data, }; }, ExitStarted: ({ returnValues: event }) => { logBridge( `ExitStarted. color: ${event.color} amount: ${event.amount} utxoId: ${event.txHash}:${event.outIndex}` ); const outpoint = new Outpoint(event.txHash, Number(event.outIndex)); this.exits[outpoint.getUtxoId()] = { txHash: event.txHash, outIndex: Number(event.outIndex), exitor: event.exitor, color: event.color, amount: event.amount, }; }, ExitStartedV2: ({ returnValues: event }) => { logBridge( `ExitStartedV2. color: ${event.color} amount: ${event.amount} utxoId: ${event.txHash}:${event.outIndex}` ); const outpoint = new Outpoint(event.txHash, Number(event.outIndex)); this.exits[outpoint.getUtxoId()] = { txHash: event.txHash, outIndex: Number(event.outIndex), exitor: event.exitor, color: event.color, amount: event.amount, data: event.data, }; }, NewToken: ({ returnValues: event }) => { logBridge(`NewToken. color: ${event.color} addr: ${event.tokenAddr}`); let array = this.tokens.erc20;   if (event.color >= NST_COLOR_BASE) { array = this.tokens.erc1948; } else if (event.color >= NFT_COLOR_BASE) { array = this.tokens.erc721; }   if (array.indexOf(event.tokenAddr) === -1) { array.push(event.tokenAddr); } }, EpochLength: event => { logBridge( `EpochLength. epochLength: ${event.returnValues.epochLength}` ); const { blockNumber, returnValues } = event; this.epochLengths.push([ Number(returnValues.epochLength), Number(blockNumber), ]); }, MinGasPrice: ({ returnValues: event }) => { logBridge(`MinGasPrice. minGasPrice: ${event.minGasPrice}`); this.minGasPrices.push(Number(event.minGasPrice)); }, Submission: async ({ returnValues: event }) => { logBridge( `Submission. blocksRoot: ${event.blocksRoot} periodRoot: ${event.periodRoot}` + ` slotId: ${event.slotId} validator: ${event.owner} casBitmap: ${event.casBitmap}` ); this.lastBlocksRoot = event.blocksRoot; this.lastPeriodRoot = event.periodRoot;   const submission = { casBitmap: event.casBitmap, slotId: event.slotId, validatorAddress: event.owner, blocksRoot: event.blocksRoot, periodRoot: event.periodRoot, };   if ( this.periodProposal && this.stalePeriodProposal && this.stalePeriodProposal.blocksRoot === event.blocksRoot ) { this.periodProposal.prevPeriodRoot = event.periodRoot; await saveSubmission(this.stalePeriodProposal, submission, this.db); } else if ( this.periodProposal && this.periodProposal.blocksRoot === event.blocksRoot ) { await saveSubmission(this.periodProposal, submission, this.db); } else { this.submissions[event.blocksRoot] = submission; } }, });   this.handleExitingUtxos = handleEvents({ ExitStarted: ({ returnValues: event }) => { const outpoint = new Outpoint(event.txHash, Number(event.outIndex)); this.exitingUtxos[outpoint.hex()] = { txHash: event.txHash, outIndex: Number(event.outIndex), exitor: event.exitor, color: event.color, amount: event.amount, }; }, }); }   async init() { this.lastBlockSynced = await this.db.getLastBlockSynced(); const genesisBlock = await this.bridgeContract.methods .genesisBlockNumber() .call(); this.genesisBlockHeight = parseInt(genesisBlock, 10); const contracts = [ this.operatorContract, this.bridgeContract, this.exitHandlerContract, ];   const nodeState = (await this.db.getNodeState()) || {}; logVerbose(`Restored node state`, nodeState); this.periodProposal = nodeState.periodProposal || null; this.stalePeriodProposal = await this.db.getStalePeriodProposal(); this.lastSeenRootChainBlock = nodeState.rootChainBlockAtProposal || this.genesisBlockHeight; this.blockHeight = nodeState.blockHeight;   logNode(`Syncing events from height ${this.lastSeenRootChainBlock}...`); this.eventsSubscription = new ContractsEventsSubscription( this.web3, contracts, this.eventsBuffer, this.lastSeenRootChainBlock );   const blockNumber = await this.web3.eth.getBlockNumber();   const periodPrevHash = nodeState.lastSeenBlocksRoot || this.lastBlocksRoot || GENESIS; logNode('Current period prev root:', periodPrevHash); this.currentPeriod = new Period(periodPrevHash);   await this.eventsSubscription.init(); await this.onNewBlock(blockNumber); Eif (periodPrevHash === GENESIS) { await this.initBlocks(); }   this.exitEventSubscription = new ContractsEventsSubscription( this.web3, [this.exitHandlerContract], [], blockNumber - this.bridgeDelay, 'ExitStarted' ); this.exitEventSubscription.on('newEvents', this.handleExitingUtxos); this.exitEventSubscription.init();   logNode('Synced'); }   async initBlocks() { const blockOptions = { timestamp: Math.round(Date.now() / 1000), }; const blocks = [new Block(0, blockOptions), new Block(1, blockOptions)];   blocks.forEach(b => this.currentPeriod.addBlock(b)); await Promise.all(blocks.map(b => this.db.storeBlock(b))); }   async onNewBlock(blockNumber) { this.lastSeenRootChainBlock = blockNumber; Eif (this.eventsBuffer.length === 0) { return; }   const events = [];   while ( this.eventsBuffer.peek().blockNumber <= blockNumber - this.bridgeDelay ) { const event = this.eventsBuffer.pop();   events.push(event);   if (this.eventsBuffer.length === 0) { break; } }   await this.handleEvents(events);   // now push to second buffer for (const event of events) { this.eventsRelay.relayBuffer.push(event); } }   async saveNodeState() { return this.db.storeNodeState({ periodProposal: this.periodProposal, rootChainBlockAtProposal: this.lastSeenRootChainBlock, lastSeenBlocksRoot: this.lastBlocksRoot, blockHeight: this.currentState.blockHeight, }); }   async saveLastSeenRootChainBlock() { const lastRelayedBlock = this.eventsRelay.blockHeight; return this.db.setLastSeenRootChainBlock(lastRelayedBlock); }   async getLastSeenRootChainBlock() { return this.db.getLastSeenRootChainBlock() || this.genesisBlockHeight; }   async saveConsensusState() { this.currentState.blockHeight = this.blockHeight; await this.db.storeChainState(this.currentState); }   async loadConsensusState() { const res = await this.db.getChainState(); this.currentState = res || { blockHeight: 0, mempool: [], balances: {}, // stores account balances like this { [colorIndex]: { address1: 0, ... } } owners: {}, // index for NFT ownerOf call unspent: {}, // stores unspent outputs (deposits, transfers) slots: [], epoch: { epoch: 0, lastEpochHeight: 0, epochLength: null, epochLengthIndex: -1, }, gas: { minPrice: 0, minPriceIndex: -1, }, };   return this.currentState; } };  </pre></td></tr></table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Fri Feb 28 2020 15:02:03 GMT+0700 (Indochina Time) </div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { prettyPrint(); 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