@rsksmart/rsk-cli/dist/src/utils/tokenHelper.js

CLI tool for Rootstock network using Viem

import { encodeFunctionData, erc20Abi } from "viem";
import { TOKENS } from "../constants/tokenAdress.js";
export function resolveTokenAddress(token, testnet) {
    return TOKENS[token][testnet ? "testnet" : "mainnet"].toLowerCase();
}
export async function getTokenInfo(client, tokenAddress, holderAddress) {
    const [balance, decimals, name, symbol] = await Promise.all([
        client.readContract({
            address: tokenAddress,
            abi: erc20Abi,
            functionName: "balanceOf",
            args: [holderAddress],
        }),
        client.readContract({
            address: tokenAddress,
            abi: erc20Abi,
            functionName: "decimals",
        }),
        client.readContract({
            address: tokenAddress,
            abi: erc20Abi,
            functionName: "name",
        }),
        client.readContract({
            address: tokenAddress,
            abi: erc20Abi,
            functionName: "symbol",
        }),
    ]);
    return {
        balance: balance,
        decimals: decimals,
        name: name,
        symbol: symbol,
    };
}
export async function isERC20Contract(client, address) {
    try {
        const checks = await Promise.all([
            client
                .call({
                to: address,
                data: encodeFunctionData({
                    abi: erc20Abi,
                    functionName: "totalSupply",
                }),
            })
                .then(() => true)
                .catch(() => false),
            client
                .call({
                to: address,
                data: encodeFunctionData({
                    abi: erc20Abi,
                    functionName: "decimals",
                }),
            })
                .then(() => true)
                .catch(() => false),
            client
                .call({
                to: address,
                data: encodeFunctionData({
                    abi: erc20Abi,
                    functionName: "symbol",
                }),
            })
                .then(() => true)
                .catch(() => false),
        ]);
        const isERC20 = checks.every((check) => check === true);
        if (!isERC20) {
            return false;
        }
        return true;
    }
    catch (error) {
        console.error("Error checking ERC20 contract:", error);
        return false;
    }
}