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Update UpdateNftsMetadataExample.java #1783

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merged 2 commits into from
Apr 23, 2024
Merged

Update UpdateNftsMetadataExample.java #1783

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b30739f
Update UpdateNftsMetadataExample.java
SimiHunjan Apr 19, 2024
3329155
address PR comments
thenswan Apr 23, 2024
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24 changes: 12 additions & 12 deletions examples/src/main/java/UpdateNftsMetadataExample.java
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Original file line number Diff line number Diff line change
Expand Up @@ -76,19 +76,23 @@ private UpdateNftsMetadataExample() throws Exception {
}

private void updateNftsMetadata(TokenCreateTransaction tokenCreateTransaction) throws Exception {
// Create a non-fungible token (NFT) with the metadata key field set
var tokenCreateResponse = tokenCreateTransaction.sign(OPERATOR_KEY).execute(client);
var tokenCreateReceipt = tokenCreateResponse.getReceipt(client);
System.out.println("Status of token create transaction: " + tokenCreateReceipt.status);

// Get the token ID of the token that was created
var tokenId = tokenCreateReceipt.tokenId;
System.out.println("Token id: " + tokenId);

// Query for the token information stored in consensus node state to see that the metadata key is set
var tokenInfo = new TokenInfoQuery()
.setTokenId(tokenId)
.execute(client);

System.out.println("Token metadata key: " + tokenInfo.metadataKey);

// Mint the first NFT and set the initial metadata for the NFT
var tokenMintTransaction = new TokenMintTransaction()
.setMetadata(List.of(INITIAL_METADATA))
.setTokenId(tokenId);
Expand All @@ -98,36 +102,31 @@ private void updateNftsMetadata(TokenCreateTransaction tokenCreateTransaction) t
});

var tokenMintResponse = tokenMintTransaction.execute(client);

// Get receipt for mint token transaction
var tokenMintReceipt = tokenMintResponse.getReceipt(client);
System.out.println("Status of token mint transaction: " + tokenMintReceipt.status);

var nftSerials = tokenMintReceipt.serials;
// Check that metadata was set correctly
// Check that metadata on the NFT was set correctly
getMetadataList(client, tokenId, nftSerials).forEach(metadata -> {
System.out.println("Metadata after mint: " + Arrays.toString(metadata));
});

// Create an account to send the NFT to
var accountCreateTransaction = new AccountCreateTransaction()
.setKey(OPERATOR_KEY)
.setMaxAutomaticTokenAssociations(10)
.setMaxAutomaticTokenAssociations(10) // If the account does not have any automatic token association slots open ONLY then associate the NFT to the account
.execute(client);

var newAccountId = accountCreateTransaction.getReceipt(client).accountId;

new TokenAssociateTransaction()
.setAccountId(newAccountId)
.setTokenIds(Collections.singletonList(tokenId))
.freezeWith(client)
.sign(OPERATOR_KEY)
.execute(client)
.getReceipt(client);

// Transfer the NFT to the new account
new TransferTransaction()
.addNftTransfer(tokenId.nft(nftSerials.get(0)), OPERATOR_ID, newAccountId)
.execute(client);

// Update nfts metadata
// Update nft's metadata
var tokenUpdateNftsTransaction = new TokenUpdateNftsTransaction()
.setTokenId(tokenId)
.setSerials(nftSerials)
Expand All @@ -136,11 +135,12 @@ private void updateNftsMetadata(TokenCreateTransaction tokenCreateTransaction) t

System.out.println("Updated metadata: " + Arrays.toString(tokenUpdateNftsTransaction.getMetadata()));
var tokenUpdateNftsResponse = tokenUpdateNftsTransaction.sign(METADATA_KEY).execute(client);

// Get receipt for update nfts metadata transaction
var tokenUpdateNftsReceipt = tokenUpdateNftsResponse.getReceipt(client);
System.out.println("Status of token update nfts metadata transaction: " + tokenUpdateNftsReceipt.status);

// Check that metadata was updated correctly
// Check that metadata for the NFT was updated correctly
getMetadataList(client, tokenId, nftSerials).forEach(metadata -> {
System.out.println("Metadata after update: " + Arrays.toString(metadata));
});
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