transferNFTOffChain method

Future<Map<String, dynamic>> transferNFTOffChain(String nftTransferContractAddress, String walletAddress, String contractAddress, String receiverAddress, num tokenId, { bool? safe = false, String? network = "fuse", Map? transactionBody = const {}, })

Implementation

Future<Map<String, dynamic>> transferNFTOffChain(
  String nftTransferContractAddress,
  String walletAddress,
  String contractAddress,
  String receiverAddress,
  num tokenId, {
  bool? safe = false,
  String? network = "fuse",
  Map? transactionBody = const {},
}) async {
  EthereumAddress wallet = EthereumAddress.fromHex(walletAddress);
  EthereumAddress contract = EthereumAddress.fromHex(contractAddress);
  EthereumAddress receiver = EthereumAddress.fromHex(receiverAddress);
  BigInt id = BigInt.from(tokenId);
  String nonce = await getNonceForRelay();
  DeployedContract NftTransferContract = await _contract(
    'NftTransfer',
    nftTransferContractAddress,
  );
  Uint8List transferNFTContractData =
      NftTransferContract.function('transferNFT').encodeCall(
    [
      wallet,
      contract,
      receiver,
      id,
      safe,
      hexToBytes('0x'),
    ],
  );
  String encodedCallContractData = '0x' +
      HEX.encode(
        transferNFTContractData,
      );

  String signature = await signOffChain(
    nftTransferContractAddress,
    walletAddress,
    BigInt.from(0),
    encodedCallContractData,
    nonce,
    BigInt.from(0),
    BigInt.from(_defaultGasLimit),
  );

  return {
    "walletAddress": walletAddress,
    "methodData": encodedCallContractData,
    "communityAddress": _defaultCommunityContractAddress,
    "nonce": nonce,
    "network": network,
    "methodName": "transferNFT",
    "gasPrice": 0,
    "gasLimit": _defaultGasLimit,
    "signature": signature,
    "walletModule": "NftTransfer",
    "transactionBody": transactionBody,
  };
}