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