fuel-core/tests/test.Fuel.construction.js

Essential javascript architecture for the Fuel side chain

// Core
const { test } = require('zora');
const {
  big, utils, rpc, // Low Level
  oneDay,
  accounts, address, extendTest, sendTransaction, oneEther, // Ethereum
  atFuel, constructFuel, // Fuel Related
} = require('./test.environment');
const { GenesisBlock, FuelInterface, emptyAddress, TypeError } = require('../lib');

// Test Wrapper
const constructionTest = module.exports = async t => {
  try {
    // Extended Test Methods
    const { gt, lt, lte, gte, eq } = extendTest(t);

    // Construction
    const { contract, blockNumber, receipt } = await constructFuel(address);

    // Check State
    eq(await contract.blockTip(), 0, 'block tip');
    eq(await contract.numTokens(), 1, 'num tokens');
    eq(await contract.blockProducer(), address, 'block producer');

    // Check Construction Log
    const log = FuelInterface.parseLog(receipt.logs[0]);
    const log1 = FuelInterface.parseLog(receipt.logs[1]);

    // Check BlockCommitted construction log
    t.equal(log.name, 'TokenIndex', 'log name');
    t.equal(log1.name, 'BlockCommitted', 'log name');
    eq(log1.values.blockProducer, emptyAddress, 'log producer');
    eq(log1.values.previousBlockHash, 0, 'log previous hash');
    eq(log1.values.blockHeight, 0, 'log block height');
    eq(log1.values.transactionRoots.length, 0, 'log roots');

    // Check Constants
    eq(await contract.BOND_SIZE(), utils.parseEther('.1'), 'bond size'); // required for block commitment
    eq(await contract.FINALIZATION_DELAY(), 50400, 'finalize'); //  ~ 2 weeks at 14 second block times
    eq(await contract.SUBMISSION_DELAY(), 14400, 'submission'); // Math.ceil((oneDay * 4) / 14), 'submission'); //  ~ 3 day (should be 3 days) in Ethereum Blocks
    eq(await contract.CLOSING_DELAY(), 648000, 'closing'); // (should be 3 months)

    // Build Genesis
    const genesis = new GenesisBlock();

    // Check Genesis block
    eq(await contract.blockCommitments(0), genesis.hash, 'genesis block');

    //
    // Permissionless Construction
    //

    const permissionlessFuel = await constructFuel(emptyAddress);

    // Check State
    eq(await permissionlessFuel.contract.blockTip(), 0, 'permissionless block tip');
    eq(await permissionlessFuel.contract.numTokens(), 1, 'permissionless num tokens');
    eq(await permissionlessFuel.contract.blockProducer(), emptyAddress, 'permissionless block producer');
  } catch (error) {
    console.log(error);
  }
};

test('Fuel Construction', constructionTest);