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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/viem/_esm/actions/public

Просмотр файла: getLogs.js

import { encodeEventTopics, } from '../../utils/abi/encodeEventTopics.js';
import { parseEventLogs } from '../../utils/abi/parseEventLogs.js';
import { numberToHex, } from '../../utils/encoding/toHex.js';
import { formatLog, } from '../../utils/formatters/log.js';
/**
 * Returns a list of event logs matching the provided parameters.
 *
 * - Docs: https://viem.sh/docs/actions/public/getLogs
 * - Examples: https://stackblitz.com/github/wevm/viem/tree/main/examples/logs_event-logs
 * - JSON-RPC Methods: [`eth_getLogs`](https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_getlogs)
 *
 * @param client - Client to use
 * @param parameters - {@link GetLogsParameters}
 * @returns A list of event logs. {@link GetLogsReturnType}
 *
 * @example
 * import { createPublicClient, http, parseAbiItem } from 'viem'
 * import { mainnet } from 'viem/chains'
 * import { getLogs } from 'viem/public'
 *
 * const client = createPublicClient({
 *   chain: mainnet,
 *   transport: http(),
 * })
 * const logs = await getLogs(client)
 */
export async function getLogs(client, { address, blockHash, fromBlock, toBlock, event, events: events_, args, strict: strict_, } = {}) {
    const strict = strict_ ?? false;
    const events = events_ ?? (event ? [event] : undefined);
    let topics = [];
    if (events) {
        const encoded = events.flatMap((event) => encodeEventTopics({
            abi: [event],
            eventName: event.name,
            args: events_ ? undefined : args,
        }));
        // TODO: Clean up type casting
        topics = [encoded];
        if (event)
            topics = topics[0];
    }
    let logs;
    if (blockHash) {
        logs = await client.request({
            method: 'eth_getLogs',
            params: [{ address, topics, blockHash }],
        });
    }
    else {
        logs = await client.request({
            method: 'eth_getLogs',
            params: [
                {
                    address,
                    topics,
                    fromBlock: typeof fromBlock === 'bigint' ? numberToHex(fromBlock) : fromBlock,
                    toBlock: typeof toBlock === 'bigint' ? numberToHex(toBlock) : toBlock,
                },
            ],
        });
    }
    const formattedLogs = logs.map((log) => formatLog(log));
    if (!events)
        return formattedLogs;
    return parseEventLogs({
        abi: events,
        args: args,
        logs: formattedLogs,
        strict,
    });
}
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