AuctionMetadata

1pub contract AuctionMetadata {
2    // Event definitions
3    pub event MetadataAdded(id: UInt64, userAddress: Address, auctionType: String, currentBid: UFix64, timeStamp: String, txID: String)
4    pub event MetadataRemoved(id: UInt64)
5
6    pub struct Metadata {
7        pub let id: UInt64
8        pub let userAddress: Address
9        pub let auctionType: String
10        pub let currentBid: UFix64
11        pub let timeStamp: String
12        pub let txID: String
13
14        init(id: UInt64, userAddress: Address, auctionType: String, currentBid: UFix64, timeStamp: String, txID: String) {
15            self.id = id
16            self.userAddress = userAddress
17            self.auctionType = auctionType
18            self.currentBid = currentBid
19            self.timeStamp = timeStamp
20            self.txID = txID
21        }
22    }
23
24    // Store for the metadata
25    pub var metadataRecords: {UInt64: Metadata}
26
27    // Global ID counter
28    pub var nextId: UInt64
29
30    pub fun addMetadata(userAddress: Address, auctionType: String, currentBid: UFix64, timeStamp: String, txID: String) {
31        let newMetadata = Metadata(id: self.nextId, userAddress: userAddress, auctionType: auctionType, currentBid: currentBid, timeStamp: timeStamp, txID: txID)
32        self.metadataRecords[self.nextId] = newMetadata
33
34        // Emitting an event for adding metadata
35        emit MetadataAdded(id: self.nextId, userAddress: userAddress, auctionType: auctionType, currentBid: currentBid, timeStamp: timeStamp, txID: txID)
36
37        self.nextId = self.nextId + 1
38    }
39
40    pub fun removeMetadataByTxID(txIDToRemove: String) {
41        var keyToRemove: UInt64? = nil
42        for key in self.metadataRecords.keys {
43            if self.metadataRecords[key]!.txID == txIDToRemove {
44                keyToRemove = key
45                break // Assuming you want to remove the first match
46            }
47        }
48        
49        if let key = keyToRemove {
50            self.metadataRecords.remove(key: key)
51            emit MetadataRemoved(id: key)
52        }
53    }
54
55    init() {
56        self.metadataRecords = {}
57        self.nextId = 0
58    }
59}
60