Permit2Proxy.md

Permit2Proxy

A proxy contract that enables using Uniswap's Permit2 permitTransferFrom within the limit order protocol without the witness functionality.

Functions list

• constructor(_immutableOwner) public
• func_nZHTch(from, to, amount, permit, sig) external

Errors list

• Permit2ProxyBadSelector()

Functions

constructor

constructor(address _immutableOwner) public

func_nZHTch

function func_nZHTch(address from, address to, uint256 amount, struct IPermit2TransferFrom.PermitTransferFrom permit, bytes sig) external

Proxy transfer method for Permit2.permitTransferFrom. Selector must match IERC20.transferFrom

The function name func_nZHTch is chosen so that its selector equals 0x23b872dd (same as IERC20.transferFrom), allowing it to be used as a maker asset in limit orders.

Errors

Permit2ProxyBadSelector

error Permit2ProxyBadSelector()

Thrown in the constructor if the function selector doesn't match IERC20.transferFrom.selector.