viem/_cjs/utils/transaction/serializeTransaction.js

TypeScript Interface for Ethereum

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.serializeTransaction = void 0;
const transaction_js_1 = require("../../errors/transaction.js");
const concat_js_1 = require("../data/concat.js");
const trim_js_1 = require("../data/trim.js");
const toHex_js_1 = require("../encoding/toHex.js");
const toRlp_js_1 = require("../encoding/toRlp.js");
const assertTransaction_js_1 = require("./assertTransaction.js");
const getTransactionType_js_1 = require("./getTransactionType.js");
const serializeAccessList_js_1 = require("./serializeAccessList.js");
function serializeTransaction(transaction, signature) {
    const type = (0, getTransactionType_js_1.getTransactionType)(transaction);
    if (type === 'eip1559')
        return serializeTransactionEIP1559(transaction, signature);
    if (type === 'eip2930')
        return serializeTransactionEIP2930(transaction, signature);
    return serializeTransactionLegacy(transaction, signature);
}
exports.serializeTransaction = serializeTransaction;
function serializeTransactionEIP1559(transaction, signature) {
    const { chainId, gas, nonce, to, value, maxFeePerGas, maxPriorityFeePerGas, accessList, data, } = transaction;
    (0, assertTransaction_js_1.assertTransactionEIP1559)(transaction);
    const serializedAccessList = (0, serializeAccessList_js_1.serializeAccessList)(accessList);
    const serializedTransaction = [
        (0, toHex_js_1.toHex)(chainId),
        nonce ? (0, toHex_js_1.toHex)(nonce) : '0x',
        maxPriorityFeePerGas ? (0, toHex_js_1.toHex)(maxPriorityFeePerGas) : '0x',
        maxFeePerGas ? (0, toHex_js_1.toHex)(maxFeePerGas) : '0x',
        gas ? (0, toHex_js_1.toHex)(gas) : '0x',
        to ?? '0x',
        value ? (0, toHex_js_1.toHex)(value) : '0x',
        data ?? '0x',
        serializedAccessList,
    ];
    if (signature) {
        const yParity = (() => {
            if (signature.v === 0n)
                return '0x';
            if (signature.v === 1n)
                return (0, toHex_js_1.toHex)(1);
            return signature.v === 27n ? '0x' : (0, toHex_js_1.toHex)(1);
        })();
        serializedTransaction.push(yParity, (0, trim_js_1.trim)(signature.r), (0, trim_js_1.trim)(signature.s));
    }
    return (0, concat_js_1.concatHex)([
        '0x02',
        (0, toRlp_js_1.toRlp)(serializedTransaction),
    ]);
}
function serializeTransactionEIP2930(transaction, signature) {
    const { chainId, gas, data, nonce, to, value, accessList, gasPrice } = transaction;
    (0, assertTransaction_js_1.assertTransactionEIP2930)(transaction);
    const serializedAccessList = (0, serializeAccessList_js_1.serializeAccessList)(accessList);
    const serializedTransaction = [
        (0, toHex_js_1.toHex)(chainId),
        nonce ? (0, toHex_js_1.toHex)(nonce) : '0x',
        gasPrice ? (0, toHex_js_1.toHex)(gasPrice) : '0x',
        gas ? (0, toHex_js_1.toHex)(gas) : '0x',
        to ?? '0x',
        value ? (0, toHex_js_1.toHex)(value) : '0x',
        data ?? '0x',
        serializedAccessList,
    ];
    if (signature) {
        const yParity = (() => {
            if (signature.v === 0n)
                return '0x';
            if (signature.v === 1n)
                return (0, toHex_js_1.toHex)(1);
            return signature.v === 27n ? '0x' : (0, toHex_js_1.toHex)(1);
        })();
        serializedTransaction.push(yParity, (0, trim_js_1.trim)(signature.r), (0, trim_js_1.trim)(signature.s));
    }
    return (0, concat_js_1.concatHex)([
        '0x01',
        (0, toRlp_js_1.toRlp)(serializedTransaction),
    ]);
}
function serializeTransactionLegacy(transaction, signature) {
    const { chainId = 0, gas, data, nonce, to, value, gasPrice } = transaction;
    (0, assertTransaction_js_1.assertTransactionLegacy)(transaction);
    let serializedTransaction = [
        nonce ? (0, toHex_js_1.toHex)(nonce) : '0x',
        gasPrice ? (0, toHex_js_1.toHex)(gasPrice) : '0x',
        gas ? (0, toHex_js_1.toHex)(gas) : '0x',
        to ?? '0x',
        value ? (0, toHex_js_1.toHex)(value) : '0x',
        data ?? '0x',
    ];
    if (signature) {
        const v = (() => {
            if (chainId > 0)
                return BigInt(chainId * 2) + BigInt(35n + signature.v - 27n);
            if (signature.v >= 35n) {
                const inferredChainId = (signature.v - 35n) / 2n;
                if (inferredChainId > 0)
                    return signature.v;
                return 27n + (signature.v === 35n ? 0n : 1n);
            }
            const v = 27n + (signature.v === 27n ? 0n : 1n);
            if (signature.v !== v)
                throw new transaction_js_1.InvalidLegacyVError({ v: signature.v });
            return v;
        })();
        serializedTransaction = [
            ...serializedTransaction,
            (0, toHex_js_1.toHex)(v),
            signature.r,
            signature.s,
        ];
    }
    else if (chainId > 0) {
        serializedTransaction = [
            ...serializedTransaction,
            (0, toHex_js_1.toHex)(chainId),
            '0x',
            '0x',
        ];
    }
    return (0, toRlp_js_1.toRlp)(serializedTransaction);
}
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