Swap

Overview

Swap is Slingshot's AMM module for trustless token trading on Goliath Testnet.

Access: https://slingshot.goliath.net/#/swap

Swap uses a Uniswap V2-style constant product model:

x * y = k

A 0.3% fee is charged on swaps:

• 0.25% to liquidity providers

• 0.05% to protocol

Supported Tokens (Goliath Testnet)

Token	Contract Address	Decimals	Status
WXCN (Wrapped XCN)	0x88A07F7BBb61A2945D8Ac541461fc62efb1F4066	8	Live
ETH	0xEd02AA7dd3f105EDab8702D859781CAfF111324b	18	Live
BTC	0x8b2a7658acD9CA5b4e207F94a0101598c7B678F8	8	Live
USDC	0x4BE65Dce1D79B8728485B759eE06cC8053E824F4	6	Live
USDT	0x03cDCCa25A46Bc5F3F484096217de52C8c417c9D	6	Live
GOLD	0x3B0F44325fb8AaC485Cbe14502d979008341f652	18	Pending
SILVER	0x6090499ccC04bD65BEd0b02D40f607B5348697F7	18	Pending

XCN is the native gas token on Goliath. WXCN is the ERC20-wrapped form used in AMM pools.

User Flow

1. Connect wallet on Goliath Testnet (Chain ID 8901)

2. Choose input/output token pair

3. Set amount and review price impact/slippage

4. Approve token (first swap per token)

5. Confirm swap transaction

Developer Notes

Core Swap contracts (Goliath Testnet):

Contract	Address
UniswapV2Factory	0x561B0342878bcdeF1a7E7D9BA7654B3C84A81819
UniswapV2Router02	0x1D6B8ad12C72893f89844418DC03999298D9ABF4
Multicall3	0xF912C1ad454aaaE03A1d72C53702F3dc0B4fcb69

Reference integration snippet:

const ROUTER_ABI = [
  'function swapExactTokensForTokens(uint amountIn, uint amountOutMin, address[] path, address to, uint deadline) returns (uint[] amounts)',
  'function getAmountsOut(uint amountIn, address[] path) view returns (uint[] amounts)'
];

See full contract map in Slingshot Integration Guide.