@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/transaction_builder.ts
import { LocalWalletNotAvailableError, InvalidTransactionWithSender, InvalidTransactionWithReceiver, } from "web3-errors";
import { detectTransactionType, NUMBER_DATA_FORMAT } from "web3-eth";
import { privateKeyToAddress } from "web3-eth-accounts";
import { ETH_DATA_FORMAT, } from "web3-types";
import { format } from "web3-utils";
import { isAddress, isHexStrict, isNullish, isNumber } from "web3-validator";
export const getTransactionFromOrToAttr = (attr, web3Context, transaction, privateKey) => {
if (transaction !== undefined && attr in transaction && transaction[attr] !== undefined) {
if (typeof transaction[attr] === "string" && isAddress(transaction[attr])) {
return transaction[attr];
}
if (!isHexStrict(transaction[attr]) && isNumber(transaction[attr])) {
if (web3Context.wallet) {
const account = web3Context.wallet.get(format({ format: "uint" }, transaction[attr], NUMBER_DATA_FORMAT));
if (!isNullish(account)) {
return account.address;
}
throw new LocalWalletNotAvailableError();
}
throw new LocalWalletNotAvailableError();
}
else {
throw attr === "from"
? new InvalidTransactionWithSender(transaction.from)
: // eslint-disable-next-line @typescript-eslint/no-unsafe-call
new InvalidTransactionWithReceiver(transaction.to);
}
}
if (attr === "from") {
if (!isNullish(privateKey)) {
return privateKeyToAddress(privateKey);
}
if (!isNullish(web3Context.defaultAccount)) {
return web3Context.defaultAccount;
}
}
return undefined;
};
export const getTransactionType = (transaction, web3Context) => {
const inferredType = detectTransactionType(transaction, web3Context);
if (!isNullish(inferredType)) {
return inferredType;
}
if (!isNullish(web3Context.defaultTransactionType)) {
return format({ format: "uint" }, web3Context.defaultTransactionType, ETH_DATA_FORMAT);
}
return undefined;
};