@solidstate/hardhat-selector-uploader/dist/lib/selector_uploader.js

Upload local function selectors to the Ethereum Selector Database

import pkg from '../../package.json' with { type: 'json' };
import axios from 'axios';
import { HardhatPluginError } from 'hardhat/plugins';
const API_ENDPOINT = 'https://www.4byte.directory/api/v1/import-abi/';
export const uploadSelectors = async (context) => {
    const fullNames = Array.from(await context.artifacts.getAllFullyQualifiedNames());
    const elements = {};
    await Promise.all(fullNames.map(async (fullName) => {
        const { abi } = await context.artifacts.readArtifact(fullName);
        for (let element of abi) {
            elements[JSON.stringify(element)] = element;
        }
    }));
    const compositeAbi = Object.values(elements).filter((el) => {
        return el.type === 'function' || el.type === 'event' || el.type === 'error';
    });
    compositeAbi.forEach((el) => {
        // We convert all errors to 'function' type, since 4byte.directory does not support ABIs that include errors and both types are encoded in the same way.
        if (el.type === 'error') {
            el.type = 'function';
            el.outputs = [];
        }
    });
    try {
        const { data } = await axios.post(API_ENDPOINT, {
            contract_abi: JSON.stringify(compositeAbi),
        });
        console.log(`Processed ${data.num_processed} unique items from ${fullNames.length} ABIs`);
        console.log(`Added ${data.num_imported} selectors to 4byte.directory database`);
        console.log(`Found ${data.num_duplicates} duplicates`);
        console.log(`Ignored ${data.num_ignored} items`);
    }
    catch (e) {
        throw new HardhatPluginError(pkg.name, 'failed to upload selectors to 4byte.directory');
    }
};