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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/viem/_cjs/utils/abi
Просмотр файла: encodeEventTopics.js
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.encodeEventTopics = encodeEventTopics;
const abi_js_1 = require("../../errors/abi.js");
const log_js_1 = require("../../errors/log.js");
const toBytes_js_1 = require("../encoding/toBytes.js");
const keccak256_js_1 = require("../hash/keccak256.js");
const toEventSelector_js_1 = require("../hash/toEventSelector.js");
const encodeAbiParameters_js_1 = require("./encodeAbiParameters.js");
const formatAbiItem_js_1 = require("./formatAbiItem.js");
const getAbiItem_js_1 = require("./getAbiItem.js");
const docsPath = '/docs/contract/encodeEventTopics';
function encodeEventTopics(parameters) {
const { abi, eventName, args } = parameters;
let abiItem = abi[0];
if (eventName) {
const item = (0, getAbiItem_js_1.getAbiItem)({ abi, name: eventName });
if (!item)
throw new abi_js_1.AbiEventNotFoundError(eventName, { docsPath });
abiItem = item;
}
if (abiItem.type !== 'event')
throw new abi_js_1.AbiEventNotFoundError(undefined, { docsPath });
const definition = (0, formatAbiItem_js_1.formatAbiItem)(abiItem);
const signature = (0, toEventSelector_js_1.toEventSelector)(definition);
let topics = [];
if (args && 'inputs' in abiItem) {
const indexedInputs = abiItem.inputs?.filter((param) => 'indexed' in param && param.indexed);
const args_ = Array.isArray(args)
? args
: Object.values(args).length > 0
? (indexedInputs?.map((x) => args[x.name]) ?? [])
: [];
if (args_.length > 0) {
topics =
indexedInputs?.map((param, i) => {
if (Array.isArray(args_[i]))
return args_[i].map((_, j) => encodeArg({ param, value: args_[i][j] }));
return typeof args_[i] !== 'undefined' && args_[i] !== null
? encodeArg({ param, value: args_[i] })
: null;
}) ?? [];
}
}
return [signature, ...topics];
}
function encodeArg({ param, value, }) {
if (param.type === 'string' || param.type === 'bytes')
return (0, keccak256_js_1.keccak256)((0, toBytes_js_1.toBytes)(value));
if (param.type === 'tuple' || param.type.match(/^(.*)\[(\d+)?\]$/))
throw new log_js_1.FilterTypeNotSupportedError(param.type);
return (0, encodeAbiParameters_js_1.encodeAbiParameters)([param], [value]);
}
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