transferOffChain method
Implementation
Future<Map<String, dynamic>> transferOffChain(
String walletAddress,
String receiverAddress, {
String? tokensAmount,
BigInt? amountInWei,
String network = "fuse",
Map? transactionBody,
}) async {
EthereumAddress wallet = EthereumAddress.fromHex(walletAddress);
EthereumAddress token = EthereumAddress.fromHex(
Variables.NATIVE_TOKEN_ADDRESS,
);
EthereumAddress receiver = EthereumAddress.fromHex(receiverAddress);
BigInt amount = BigInt.zero;
if (tokensAmount != null) {
Decimal tokensAmountDecimal = Decimal.parse(tokensAmount);
Decimal decimals = Decimal.parse(pow(10, 18).toString());
amount = BigInt.parse((tokensAmountDecimal * decimals).toString());
} else if (amountInWei != null) {
amount = amountInWei;
}
String nonce = await getNonceForRelay();
DeployedContract contract = await _contract(
'TransferManager',
_transferManagerContractAddress,
);
Uint8List data = contract.function('transferToken').encodeCall([
wallet,
token,
receiver,
amount,
hexToBytes('0x'),
]);
String encodedData = '0x' + HEX.encode(data);
String signature = await signOffChain(
_transferManagerContractAddress,
walletAddress,
BigInt.from(0),
encodedData,
nonce,
BigInt.from(0),
BigInt.from(_defaultGasLimit));
return {
"walletAddress": walletAddress,
"methodData": encodedData,
"communityAddress": _defaultCommunityContractAddress,
"nonce": nonce,
"network": network,
"methodName": "transferToken",
"gasPrice": 0,
"gasLimit": _defaultGasLimit,
"signature": signature,
"walletModule": "TransferManager",
"transactionBody": transactionBody,
};
}