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Auction.sol
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Auction.sol
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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
contract Auction {
uint n=1;
string[] names;
struct items
{
string itemName;
string description;
bool forSale;
address owner;
uint floorPrice;
address temp;
}
struct Bids
{
address bidder;
uint bidCount;
uint bidPrices;
}
mapping (uint=>items) public itemsss;
mapping (uint=>Bids) public bidsss;
uint[] public Ids;
event itemSold(uint Ids);
function listItems(string memory _itemName,string memory _description,uint _floorPrice) public {
items memory newitems = items(
{
itemName : _itemName,
description : _description,
forSale : true ,
owner : msg.sender,
floorPrice: _floorPrice,
temp : msg.sender
}
);
uint temp1 = newitems.floorPrice;
Bids memory newbids = Bids(
{
bidder : address(0),
bidCount: 0,
bidPrices : temp1
}
);
names.push(_itemName);
Ids.push(n);
itemsss[n] = newitems;
bidsss[n] = newbids;
n++;
}
function MakeBid(uint _id,uint _bidPrice) public payable {
items memory newitem = itemsss[_id];
Bids memory newBid = bidsss[_id];
require(newitem.forSale,"Not for Sale");
require(newitem.floorPrice <= _bidPrice,"Invalid Bid");
require(newBid.bidPrices<_bidPrice,"Make Higher Bid");
if (newBid.bidder != address(0)) {
payable(newBid.bidder).transfer(newBid.bidPrices);
}
newBid.bidCount++;
newBid.bidPrices=_bidPrice;
newitem.temp=msg.sender;
newBid.bidder = msg.sender;
itemsss[_id]=newitem;
bidsss[_id]=newBid;
}
function CheckHighestBid(uint _id)public view returns(uint) {
Bids storage checkbid = bidsss[_id];
return checkbid.bidPrices;
}
function AllListedItems() public view returns(string[] memory,uint[] memory) {
return (names,Ids);
}
function CheckBidCount(uint _id)public view returns(uint) {
Bids storage checkbid = bidsss[_id];
return checkbid.bidCount;
}
function BidResult(uint _id) public payable {
items storage newitem = itemsss[_id];
Bids storage newBid = bidsss[_id];
require(newBid.bidCount > 0, "No bids yet");
newitem.owner = newBid.bidder;
newitem.forSale = false;
}
}