BTC->ETH->WBTC Aggregator Implementation

GitHub Repo

The TSAggregatorCornSiloEth implementation is available on the following repo.

Overview

• Inherits: TSAggregator
• Swaps received ETH for WBTC and deposits into CornSilo on the user's behalf, using the UniswapV3 router.
• No parallel functionality for swapping into the Thorchain network.

State Variables

• address public immutable weth
• address public immutable wbtc
• ISwapRouter public immutable swapRouter
• ICornSilo public immutable cornSilo
• uint24 public constant feeTier = 3000

Functions

constructor

Initializes the contract with required addresses.

constructor(address _ttp, address _weth, address _wbtc, address _swapRouter, address _cornSilo) TSAggregator(_ttp);

Parameters

Name	Type	Description
_ttp	address	Address of the Token Transfer Proxy.
_weth	address	Address of the Wrapped Ethereum token.
_wbtc	address	Address of the Wrapped Bitcoin token.
_swapRouter	address	Address of the Uniswap V3 Swap Router.
_cornSilo	address	Address of the CornSilo contract.

swapOut

Swaps received ETH for WBTC and deposits it into CornSilo.

function swapOut(address token, address to, uint256 amountOutMin) public payable nonReentrant;

Parameters

Name	Type	Description
token	address	The token address to swap from (must be WBTC).
to	address	The recipient address of the swap (via Thorchain MEMO).
amountOutMin	uint256	The minimum amount of WBTC to receive.