limitSellETH

limitSellETH

function limitBuyETH(
        address quote,
        uint256 price,
        bool isMaker,
        uint32 n,
        address recipient
) external payable returns (uint256 makePrice, uint256 placed, uint32 id);

Executes a limit sell order with ETH deposit,
matches bid orders in the orderbook for selling the base asset as ETH for the quote asset at a specified limit price,
and makes an order at the limit price with remainder amount.

Parameters

Name	Type	Description
quote	address	Address of the quote asset for the trading pair.
price	uint256	Limit price in 8 decimals
isMaker	bool	Boolean indicating if an order should be made at the market price in the orderbook.
n	uint32	The maximum number of orders to match in the orderbook.
recipient	address	Address of recipient to receive funds from trading and ownership of placed order.

Value

This function requires ETH deposit as quote amount from msg.value.

pragma solidity ^0.8.24;

import {IMatchingEngine} from "standard3.0-contracts/src/exchange/interfaces/IMatchingEngine.sol";

contract CLOB {
    IMatchingEngine public matchingEngine;
 
    constructor(address _engine) {
        matchingEngine = IMatchingEngine(_engine);
    }

    function limitSellETH(address quote, uint256 price, bool isMaker, uint32 matchingN, address recipient) public payable {
        matchingEngine.limitSellETH{value: msg.value}(
            quote,
            price,
            isMaker,
            matchingN,
            recipient
        );
    }
}

Returns

• uint256 makePrice : Price which was placed after matching

• uint256 placed : Remainder mount which is placed in order after matching

• uint32 id: Placed orderId after matching orders. The id is then used for canceling order.