@kaiachain/web3js-ext
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web3.js extension for kaiachain blockchain
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JavaScript
;
/*
This file is part of web3.js.
web3.js is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
web3.js is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with web3.js. If not, see <http://www.gnu.org/licenses/>.
*/
// Taken from https://github.com/web3/web3.js/blob/v4.3.0/packages/web3-eth/src/utils/get_transaction_gas_pricing.ts
Object.defineProperty(exports, "__esModule", { value: true });
exports.getTransactionGasPricing = void 0;
const web3_errors_1 = require("web3-errors");
const web3_eth_1 = require("web3-eth");
const web3_utils_1 = require("web3-utils");
const web3_validator_1 = require("web3-validator");
const transaction_builder_js_1 = require("./transaction_builder.js");
async function getEip1559GasPricing(transaction, web3Context, returnFormat) {
const block = await (0, web3_eth_1.getBlock)(web3Context, web3Context.defaultBlock, false, returnFormat);
if ((0, web3_validator_1.isNullish)(block.baseFeePerGas)) {
throw new web3_errors_1.Eip1559NotSupportedError();
}
if (!(0, web3_validator_1.isNullish)(transaction.gasPrice)) {
const convertedTransactionGasPrice = (0, web3_utils_1.format)({ format: "uint" }, transaction.gasPrice, returnFormat);
return {
maxPriorityFeePerGas: convertedTransactionGasPrice,
maxFeePerGas: convertedTransactionGasPrice,
};
}
return {
maxPriorityFeePerGas: (0, web3_utils_1.format)({ format: "uint" }, transaction.maxPriorityFeePerGas ?? web3Context.defaultMaxPriorityFeePerGas, returnFormat),
maxFeePerGas: (0, web3_utils_1.format)({ format: "uint" }, (transaction.maxFeePerGas ??
BigInt(block.baseFeePerGas) * BigInt(2) +
BigInt(transaction.maxPriorityFeePerGas ?? web3Context.defaultMaxPriorityFeePerGas)), returnFormat),
};
}
async function getTransactionGasPricing(transaction, web3Context, returnFormat) {
const transactionType = (0, transaction_builder_js_1.getTransactionType)(transaction, web3Context);
if (!(0, web3_validator_1.isNullish)(transactionType)) {
if (transactionType.startsWith("-")) {
throw new web3_errors_1.UnsupportedTransactionTypeError(transactionType);
}
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-2718.md#transactions
if (Number(transactionType) < 0 || Number(transactionType) > 127) {
throw new web3_errors_1.UnsupportedTransactionTypeError(transactionType);
}
if ((0, web3_validator_1.isNullish)(transaction.gasPrice) &&
(transactionType === "0x0" || transactionType === "0x1")) {
return {
gasPrice: await (0, web3_eth_1.getGasPrice)(web3Context, returnFormat),
maxPriorityFeePerGas: undefined,
maxFeePerGas: undefined,
};
}
if (transactionType === "0x2") {
return {
gasPrice: undefined,
...(await getEip1559GasPricing(transaction, web3Context, returnFormat)),
};
}
}
return undefined;
}
exports.getTransactionGasPricing = getTransactionGasPricing;