@dethcrypto/eth-sdk/dist/abi-management/etherscan/getAbiFromEtherscan.js

🛠 Generate type-safe, lightweight SDK for your Ethereum smart contracts

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getAbiFromEtherscan = void 0;
const networks_1 = require("../networks");
const explorerEndpoints_1 = require("./explorerEndpoints");
async function getAbiFromEtherscan(networkSymbol, address, config, fetch) {
    const url = createAPIUrl(networkSymbol, address, config);
    // @todo error handling for incorrect api keys
    const response = await fetch(url);
    if (response.status !== '1' && response.status !== 1) {
        throw new Error(`Can't find ${networkSymbol} ABI for ${address}. Msg: ${JSON.stringify(response, null, 2)}`);
    }
    const abi = JSON.parse(response.result);
    return abi;
}
exports.getAbiFromEtherscan = getAbiFromEtherscan;
function createAPIUrl(networkSymbol, address, { etherscanKeys, etherscanURLs, etherscanKey }) {
    var _a;
    const apiKey = etherscanKey ||
        etherscanKeys[networkSymbol] ||
        ((_a = explorerEndpoints_1.predefinedExplorerEndpoints[networkSymbol]) === null || _a === void 0 ? void 0 : _a.apiKey);
    const apiUrl = getEtherscanLinkFromNetworkSymbol(networkSymbol, etherscanURLs);
    if (!apiUrl) {
        throw new Error(`Can't find network info for ${networkSymbol}`);
    }
    return `${apiUrl}?module=contract&action=getabi&address=${address}${apiKey ? `&apikey=${apiKey}` : ''}`;
}
function getEtherscanLinkFromNetworkSymbol(networkSymbol, userNetworks) {
    if ((0, networks_1.isUserProvidedNetwork)(networkSymbol, userNetworks)) {
        return userNetworks[networkSymbol];
    }
    return explorerEndpoints_1.predefinedExplorerEndpoints[networkSymbol].url;
}
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