@nomicfoundation/hardhat-viem/internal/chains.js

Hardhat plugin for viem

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getMode = exports.isDevelopmentNetwork = exports.getChain = void 0;
const lodash_memoize_1 = __importDefault(require("lodash.memoize"));
const errors_1 = require("./errors");
async function getChain(provider) {
    const chains = require("viem/chains");
    const chainId = await getChainId(provider);
    if (isDevelopmentNetwork(chainId)) {
        if (await isHardhatNetwork(provider)) {
            return chains.hardhat;
        }
        else if (await isFoundryNetwork(provider)) {
            return chains.foundry;
        }
        else {
            throw new errors_1.UnknownDevelopmentNetworkError();
        }
    }
    const matchingChains = Object.values(chains).filter(({ id }) => id === chainId);
    if (matchingChains.length === 0) {
        if (await isHardhatNetwork(provider)) {
            return {
                ...chains.hardhat,
                id: chainId,
            };
        }
        else if (await isFoundryNetwork(provider)) {
            return {
                ...chains.foundry,
                id: chainId,
            };
        }
        else {
            throw new errors_1.NetworkNotFoundError(chainId);
        }
    }
    if (matchingChains.length > 1) {
        throw new errors_1.MultipleMatchingNetworksError(chainId);
    }
    return matchingChains[0];
}
exports.getChain = getChain;
function isDevelopmentNetwork(chainId) {
    return chainId === 31337;
}
exports.isDevelopmentNetwork = isDevelopmentNetwork;
async function getMode(provider) {
    if (await isHardhatNetwork(provider)) {
        return "hardhat";
    }
    else if (await isFoundryNetwork(provider)) {
        return "anvil";
    }
    else {
        throw new errors_1.UnknownDevelopmentNetworkError();
    }
}
exports.getMode = getMode;
const getChainId = (0, lodash_memoize_1.default)(async (provider) => Number(await provider.send("eth_chainId")));
const isHardhatNetwork = (0, lodash_memoize_1.default)(async (provider) => detectNetworkByMethodName(provider, NetworkMethod.HARDHAT_METADATA));
const isFoundryNetwork = (0, lodash_memoize_1.default)(async (provider) => detectNetworkByMethodName(provider, NetworkMethod.ANVIL_NODE_INFO));
var NetworkMethod;
(function (NetworkMethod) {
    NetworkMethod["HARDHAT_METADATA"] = "hardhat_metadata";
    NetworkMethod["ANVIL_NODE_INFO"] = "anvil_nodeInfo";
})(NetworkMethod || (NetworkMethod = {}));
async function detectNetworkByMethodName(provider, methodName) {
    try {
        await provider.send(methodName);
        return true;
    }
    catch {
        return false;
    }
}
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