deth/dist/cjs/vm/initializeVM.js

Ethereum node focused on Developer Experience

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const ethereumts_vm_1 = __importDefault(require("ethereumts-vm"));
const ethereumjs_common_1 = __importDefault(require("ethereumjs-common"));
const ethereumjs_account_1 = __importDefault(require("ethereumjs-account"));
const ethereumjs_util_1 = require("ethereumjs-util");
const ethers_1 = require("ethers");
const bn_js_1 = __importDefault(require("bn.js"));
const putGenesisBlock_1 = require("./putGenesisBlock");
const ethereumjs_blockchain_1 = __importDefault(require("ethereumjs-blockchain"));
const BlockchainAdapter_1 = require("./storage/BlockchainAdapter");
const StateManagerAdapter_1 = require("./storage/StateManagerAdapter");
async function initializeVM(options, stateManager, blockchain) {
    const common = ethereumjs_common_1.default.forCustomChain('mainnet', {
        chainId: options.chainId,
        networkId: options.chainId,
        name: options.chainName,
    }, options.hardfork);
    const callbackBlockchain = blockchain
        ? new BlockchainAdapter_1.BlockchainAdapter(blockchain)
        : new ethereumjs_blockchain_1.default({ common, validate: false });
    const stateManger = stateManager ? new StateManagerAdapter_1.StateManagerAdapter(stateManager) : undefined;
    const vm = new ethereumts_vm_1.default({ common, stateManager: stateManger, blockchain: callbackBlockchain });
    await initAccounts(vm, options);
    await putGenesisBlock_1.putGenesisBlock(vm, options);
    return vm;
}
exports.initializeVM = initializeVM;
// @TODO extract this. VM should not be aware of any private keys etc. TestChain should provide data for genesis block
async function initAccounts(vm, options) {
    const psm = vm.pStateManager;
    const balance = new bn_js_1.default(options.accounts.initialBalance.toString()).toBuffer();
    for (const privateKey of options.accounts.privateKeys) {
        const { address } = new ethers_1.Wallet(privateKey);
        await psm.putAccount(ethereumjs_util_1.toBuffer(address), new ethereumjs_account_1.default({ balance }));
    }
}