interchain-token-sdk/dist/utils/validateERC20Address.js

SDK for deploying and managing interchain tokens across multiple chains using Axelar network

import { ERC20_ABI } from '../constants/constants.js';
// For UI validation - returns token details
export async function isValidERC20Token(tokenAddress, publicClient) {
    try {
        const [{ result: name }, { result: symbol }, { result: decimals }] = (await publicClient.multicall({
            contracts: [
                {
                    address: tokenAddress,
                    abi: ERC20_ABI,
                    functionName: 'name',
                },
                {
                    address: tokenAddress,
                    abi: ERC20_ABI,
                    functionName: 'symbol',
                },
                {
                    address: tokenAddress,
                    abi: ERC20_ABI,
                    functionName: 'decimals',
                },
            ],
        }));
        return {
            name,
            symbol,
            decimals,
        };
    }
    catch (error) {
        return null;
    }
}
// Internal use only - returns boolean
export async function isERC20Token(tokenAddress, publicClient) {
    try {
        await publicClient.multicall({
            contracts: [
                {
                    address: tokenAddress,
                    abi: ERC20_ABI,
                    functionName: 'name',
                },
                {
                    address: tokenAddress,
                    abi: ERC20_ABI,
                    functionName: 'symbol',
                },
                {
                    address: tokenAddress,
                    abi: ERC20_ABI,
                    functionName: 'decimals',
                },
            ],
        });
        return true;
    }
    catch (error) {
        return false;
    }
}