From 7f634a8b2a73f2cddda421f3593b9c9a15fd815c Mon Sep 17 00:00:00 2001
From: Marko Gracin <marko@appswithlove.com>
Date: Mon, 16 Dec 2024 13:40:06 +0100
Subject: [PATCH] =?UTF-8?q?feat(frontend):=20=F0=9F=8E=B8add=20claim=20nft?=
 =?UTF-8?q?=20script?=
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---
 frontend/src/lib/hedera/collection/claim.ts | 65 +++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 frontend/src/lib/hedera/collection/claim.ts

diff --git a/frontend/src/lib/hedera/collection/claim.ts b/frontend/src/lib/hedera/collection/claim.ts
new file mode 100644
index 0000000..184bd01
--- /dev/null
+++ b/frontend/src/lib/hedera/collection/claim.ts
@@ -0,0 +1,65 @@
+import {
+	AccountId,
+	Client,
+	ContractExecuteTransaction,
+	ContractFunctionParameters,
+} from '@hashgraph/sdk'
+
+// example: claimNFT("0.0.1234", "0.0.56789", "1", client)
+export const claimNFT = async (
+	contractId: string,
+	tokenId: string,
+	serialNumber: string,
+	client: Client,
+) => {
+	console.log('----- Claiming NFT -----')
+	console.log(`Initiating claim for NFT #${serialNumber}`)
+
+	try {
+		// Convert token ID to solidity address format
+		const hederaTokenAddress = AccountId.fromString(tokenId)
+		const tokenAddress = hederaTokenAddress.toSolidityAddress()
+
+		// Create the claim transaction
+		const claimNft = new ContractExecuteTransaction()
+			.setContractId(contractId)
+			.setGas(1000000)
+			.setFunction(
+				'claimNft',
+				new ContractFunctionParameters().addAddress(tokenAddress).addInt64(serialNumber),
+			)
+
+		// Execute the claim
+		const claimTx = await claimNft.execute(client)
+		const claimRx = await claimTx.getRecord(client)
+
+		// Check if the claim was successful
+		const responseCode = claimRx.contractFunctionResult!.getInt32(0)
+
+		if (responseCode === 22) {
+			console.log(`NFT claimed successfully!`)
+			console.log(`Claim Details:`)
+			console.log(`   - Token ID: ${tokenId}`)
+			console.log(`   - Serial Number: ${serialNumber}`)
+			console.log(`   - New Owner: ${client.operatorAccountId}`)
+			console.log(`View NFT: https://hashscan.io/testnet/token/${tokenId}/${serialNumber}`)
+			return true
+		} else {
+			console.log(`Claim failed with response code: ${responseCode}`)
+			return false
+		}
+	} catch (error) {
+		if (error instanceof Error) {
+			if (error.message.includes('You are not authorized to claim this NFT')) {
+				console.log('Error: You are not authorized to claim this NFT')
+			} else if (error.message.includes('NFT has already been claimed')) {
+				console.log('Error: This NFT has already been claimed')
+			} else {
+				console.log('Error claiming NFT:', error.message)
+			}
+		} else {
+			console.log('Unknown error claiming NFT:', error)
+		}
+		return false
+	}
+}