TokenRegistry

import { TokenRegistry, Amount } from "@chipi-stack/core";

const registry = new TokenRegistry("mainnet");
const usdc = registry.bySymbol("USDC")!;

console.log(usdc.address);  // "0x033068F6539..."
console.log(usdc.decimals); // 6

// Use with Amount
const amount = Amount.parse("10.0", usdc);

new TokenRegistry(network: "mainnet" | "sepolia")

const eth = registry.bySymbol("ETH");
const usdc = registry.bySymbol("usdc"); // case-insensitive

// Native USDC on Starknet mainnet (not USDC.e bridged)
const token = registry.byAddress("0x033068F6539f8e6e6b131e6B2B814e6c34A5224bC66947c47DaB9dFeE93b35fb");
console.log(token?.symbol); // "USDC"

const tokens = registry.all();
console.log(tokens.map(t => t.symbol)); // ["ETH", "USDC", "USDT", "DAI", "STRK", "WBTC"]

interface TokenEntry {
  symbol: string;   // e.g., "USDC"
  decimals: number;  // e.g., 6
  address: string;   // StarkNet contract address
  name: string;      // e.g., "USD Coin"
}

import { TokenRegistry, Amount, Erc20 } from "@chipi-stack/core";

// Set up registry for the target network
const network = process.env.STARKNET_NETWORK === "mainnet" ? "mainnet" : "sepolia";
const registry = new TokenRegistry(network);

// Look up token and create typed wrapper
const usdcInfo = registry.bySymbol("USDC");
if (!usdcInfo) throw new Error("USDC not found in registry");

const usdc = new Erc20(usdcInfo, account);
const amount = Amount.parse("50.0", usdcInfo);

const balance = await usdc.balanceOf(myAddress);
console.log(`Balance: ${balance.toFormatted()}`);