Viewing File: /home/ubuntu/todaykat-frontend-base/node_modules/@ethereumjs/tx/dist/util.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.AccessLists = exports.checkMaxInitCodeSize = void 0;
const ethereumjs_util_1 = require("ethereumjs-util");
const types_1 = require("./types");
function checkMaxInitCodeSize(common, length) {
    if (length > common.param('vm', 'maxInitCodeSize')) {
        throw new Error(`the initcode size of this transaction is too large: it is ${length} while the max is ${common.param('vm', 'maxInitCodeSize')}`);
    }
}
exports.checkMaxInitCodeSize = checkMaxInitCodeSize;
class AccessLists {
    static getAccessListData(accessList) {
        let AccessListJSON;
        let bufferAccessList;
        if (accessList && (0, types_1.isAccessList)(accessList)) {
            AccessListJSON = accessList;
            const newAccessList = [];
            for (let i = 0; i < accessList.length; i++) {
                const item = accessList[i];
                const addressBuffer = (0, ethereumjs_util_1.toBuffer)(item.address);
                const storageItems = [];
                for (let index = 0; index < item.storageKeys.length; index++) {
                    storageItems.push((0, ethereumjs_util_1.toBuffer)(item.storageKeys[index]));
                }
                newAccessList.push([addressBuffer, storageItems]);
            }
            bufferAccessList = newAccessList;
        }
        else {
            bufferAccessList = accessList !== null && accessList !== void 0 ? accessList : [];
            // build the JSON
            const json = [];
            for (let i = 0; i < bufferAccessList.length; i++) {
                const data = bufferAccessList[i];
                const address = (0, ethereumjs_util_1.bufferToHex)(data[0]);
                const storageKeys = [];
                for (let item = 0; item < data[1].length; item++) {
                    storageKeys.push((0, ethereumjs_util_1.bufferToHex)(data[1][item]));
                }
                const jsonItem = {
                    address,
                    storageKeys,
                };
                json.push(jsonItem);
            }
            AccessListJSON = json;
        }
        return {
            AccessListJSON,
            accessList: bufferAccessList,
        };
    }
    static verifyAccessList(accessList) {
        for (let key = 0; key < accessList.length; key++) {
            const accessListItem = accessList[key];
            const address = accessListItem[0];
            const storageSlots = accessListItem[1];
            if (accessListItem[2] !== undefined) {
                throw new Error('Access list item cannot have 3 elements. It can only have an address, and an array of storage slots.');
            }
            if (address.length != 20) {
                throw new Error('Invalid EIP-2930 transaction: address length should be 20 bytes');
            }
            for (let storageSlot = 0; storageSlot < storageSlots.length; storageSlot++) {
                if (storageSlots[storageSlot].length != 32) {
                    throw new Error('Invalid EIP-2930 transaction: storage slot length should be 32 bytes');
                }
            }
        }
    }
    static getAccessListJSON(accessList) {
        const accessListJSON = [];
        for (let index = 0; index < accessList.length; index++) {
            const item = accessList[index];
            const JSONItem = {
                address: '0x' + (0, ethereumjs_util_1.setLengthLeft)(item[0], 20).toString('hex'),
                storageKeys: [],
            };
            const storageSlots = item[1];
            for (let slot = 0; slot < storageSlots.length; slot++) {
                const storageSlot = storageSlots[slot];
                JSONItem.storageKeys.push('0x' + (0, ethereumjs_util_1.setLengthLeft)(storageSlot, 32).toString('hex'));
            }
            accessListJSON.push(JSONItem);
        }
        return accessListJSON;
    }
    static getDataFeeEIP2930(accessList, common) {
        const accessListStorageKeyCost = common.param('gasPrices', 'accessListStorageKeyCost');
        const accessListAddressCost = common.param('gasPrices', 'accessListAddressCost');
        let slots = 0;
        for (let index = 0; index < accessList.length; index++) {
            const item = accessList[index];
            const storageSlots = item[1];
            slots += storageSlots.length;
        }
        const addresses = accessList.length;
        return addresses * accessListAddressCost + slots * accessListStorageKeyCost;
    }
}
exports.AccessLists = AccessLists;
//# sourceMappingURL=util.js.map