Amount

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

const usdc = { symbol: "USDC", decimals: 6, address: "0x..." };

// Parse human-readable string
const amount = Amount.parse("1.5", usdc);
amount.toBase();      // 1_500_000n
amount.toUnit();      // "1.5"
amount.toFormatted(); // "1.5 USDC"

const amount = Amount.parse("100.50", { symbol: "USDC", decimals: 6, address: "0x..." });

const amount = Amount.fromRaw(1_500_000n, 6, "USDC");
amount.toUnit(); // "1.5"

const a = Amount.parse("10.0", usdc);
const b = Amount.parse("3.5", usdc);

a.add(b);           // 13.5 USDC
a.subtract(b);      // 6.5 USDC
a.multiply(2n);     // 20.0 USDC
a.divide(4n);       // 2.5 USDC (truncates, no rounding)

const a = Amount.parse("10.0", usdc);
const b = Amount.parse("3.5", usdc);

a.gt(b);    // true
a.lt(b);    // false
a.eq(b);    // false
a.gte(b);   // true
a.lte(b);   // false
a.isZero(); // false

const amount = Amount.parse("1500000.0", usdc);

amount.toBase();                // 1_500_000_000_000n (raw bigint)
amount.toUnit();                // "1500000.0"
amount.toFormatted();           // "1500000.0 USDC"
amount.toFormatted(true);       // "1.5M USDC" (compressed)

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

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

// Parse user input
const sendAmount = Amount.parse("25.50", usdcInfo);

// Get balance (returned by Erc20.balanceOf())
const balance = Amount.fromRaw(50_000_000n, 6, "USDC");

// Compare
if (balance.lt(sendAmount)) {
  console.log(`Insufficient: have ${balance.toFormatted()}, need ${sendAmount.toFormatted()}`);
} else {
  const remaining = balance.subtract(sendAmount);
  console.log(`After transfer: ${remaining.toFormatted()}`); // "24.5 USDC"
}