@uniswap/sdk-core

The Uniswap SDK Core provides the foundational classes and utilities for working with the Uniswap protocol. This package contains essential primitives like currencies, amounts, and mathematical utilities that are used across all Uniswap SDK packages.

Overview

This reference documentation covers:

• Classes - Core classes like Token, CurrencyAmount, Fraction, and Price
• Enums - Supported chains, trade types, and other enumerations
• Types - TypeScript type definitions and interfaces

Key Components

Currency Primitives

• Currency - Base currency interface
• Token - ERC-20 token representation
• Ether - Native ETH currency
• CurrencyAmount - Typed currency amounts

Mathematical Utilities

• Fraction - Precise fractional arithmetic
• Percent - Percentage calculations
• Price - Exchange rates between currencies

Chain Support

• ChainId - Supported blockchain networks
• Network-specific configurations and constants

Getting Started

import { Token, CurrencyAmount, TradeType } from '@uniswap/sdk-core'

// Create a token
const USDC = new Token(1, '0xA0b86a33E6417c29C8F6e3b6E4E12A82aA4Ca8e9', 6, 'USDC', 'USD Coin')

// Create an amount
const amount = CurrencyAmount.fromRawAmount(USDC, '1000000') // 1 USDC

For practical integration examples, see the SDK v3 Guides and SDK v4 Guides.