@coinbase/agentkit/dist/action-providers/erc20/utils.js

Coinbase AgentKit core primitives

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getTokenDetails = getTokenDetails;
const viem_1 = require("viem");
/**
 * Gets the details of an ERC20 token including name, decimals, and balance.
 *
 * @param walletProvider - The wallet provider to use for the multicall.
 * @param contractAddress - The contract address of the ERC20 token.
 * @param address - The address to check the balance for. If not provided, uses the wallet's address.
 * @returns A promise that resolves to TokenDetails or null if there's an error.
 */
async function getTokenDetails(walletProvider, contractAddress, address) {
    try {
        const results = await walletProvider.getPublicClient().multicall({
            contracts: [
                {
                    address: contractAddress,
                    abi: viem_1.erc20Abi,
                    functionName: "name",
                    args: [],
                },
                {
                    address: contractAddress,
                    abi: viem_1.erc20Abi,
                    functionName: "decimals",
                    args: [],
                },
                {
                    address: contractAddress,
                    abi: viem_1.erc20Abi,
                    functionName: "balanceOf",
                    args: [(address || walletProvider.getAddress())],
                },
            ],
        });
        const name = results[0].result;
        const decimals = results[1]?.result;
        const balance = results[2]?.result;
        if (balance === undefined || decimals === undefined || name === undefined) {
            return null;
        }
        const formattedBalance = (0, viem_1.formatUnits)(BigInt(balance), decimals);
        return {
            name,
            decimals,
            balance: BigInt(balance),
            formattedBalance,
        };
    }
    catch {
        return null;
    }
}