@vechain.energy/gas/dist/index.js

calculate estimated gas usage for transactions

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = estimate;
const intrinsic_1 = __importDefault(require("./intrinsic"));
const vmPrice_1 = __importDefault(require("./vmPrice"));
const feeMarket_1 = __importDefault(require("./feeMarket"));
const defaultOptions = {
    nodeOrConnex: "https://mainnet.veblocks.net",
    gasPriceCoef: 0
};
function estimate(clauses_1) {
    return __awaiter(this, arguments, void 0, function* (clauses, _options = {}) {
        const options = Object.assign(Object.assign({}, defaultOptions), _options);
        const intrinsicGas = (0, intrinsic_1.default)(clauses);
        const vmGas = yield (0, vmPrice_1.default)(clauses, options.nodeOrConnex, options.caller);
        const transactionGas = intrinsicGas + vmGas;
        // Always use dynamic fee market (post-Galactica fork)
        const feeMarketOptions = {};
        if (options.maxFeePerGas !== undefined) {
            feeMarketOptions.maxFeePerGas = options.maxFeePerGas;
        }
        if (options.maxPriorityFeePerGas !== undefined) {
            feeMarketOptions.maxPriorityFeePerGas = options.maxPriorityFeePerGas;
        }
        const feePerGas = yield (0, feeMarket_1.default)(options.nodeOrConnex, feeMarketOptions);
        // Calculate final gas cost
        const gasCost = feePerGas
            .times(transactionGas)
            .dividedBy(1e13)
            .decimalPlaces(0);
        return gasCost.toNumber();
    });
}