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JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.createEventFilter = createEventFilter;
const encodeEventTopics_js_1 = require("../../utils/abi/encodeEventTopics.js");
const toHex_js_1 = require("../../utils/encoding/toHex.js");
const createFilterRequestScope_js_1 = require("../../utils/filters/createFilterRequestScope.js");
async function createEventFilter(client, { address, args, event, events: events_, fromBlock, strict, toBlock, } = {}) {
const events = events_ ?? (event ? [event] : undefined);
const getRequest = (0, createFilterRequestScope_js_1.createFilterRequestScope)(client, {
method: 'eth_newFilter',
});
let topics = [];
if (events) {
const encoded = events.flatMap((event) => (0, encodeEventTopics_js_1.encodeEventTopics)({
abi: [event],
eventName: event.name,
args,
}));
topics = [encoded];
if (event)
topics = topics[0];
}
const id = await client.request({
method: 'eth_newFilter',
params: [
{
address,
fromBlock: typeof fromBlock === 'bigint' ? (0, toHex_js_1.numberToHex)(fromBlock) : fromBlock,
toBlock: typeof toBlock === 'bigint' ? (0, toHex_js_1.numberToHex)(toBlock) : toBlock,
...(topics.length ? { topics } : {}),
},
],
});
return {
abi: events,
args,
eventName: event ? event.name : undefined,
fromBlock,
id,
request: getRequest(id),
strict: Boolean(strict),
toBlock,
type: 'event',
};
}
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