sendTokens method
Transfer near from account to receiver
Implementation
Future<Map<dynamic, dynamic>> sendTokens(
double nearAmount, String receiver) async {
AccessKey accessKey = await findAccessKey();
// Create Transaction
accessKey.nonce++;
String publicKey = KeyStore.publicKeyToString(keyPair.publicKey);
Transaction transaction = Transaction(
signer: accountId,
publicKey: publicKey,
nearAmount: nearAmount.toStringAsFixed(12),
gasFees: Constants.defaultGas,
receiver: receiver,
methodName: '',
methodArgs: '',
accessKey: accessKey,
actionType: ActionType.transfer);
// Serialize Transaction
Uint8List serializedTransaction =
TransactionManager.serializeTransferTransaction(transaction);
Uint8List hashedSerializedTx =
TransactionManager.toSHA256(serializedTransaction);
// Sign Transaction
Uint8List signature = TransactionManager.signTransaction(
keyPair.privateKey, hashedSerializedTx);
// Serialize Signed Transaction
Uint8List serializedSignedTransaction =
TransactionManager.serializeSignedTransferTransaction(
transaction, signature);
String encodedTransaction =
TransactionManager.encodeSerialization(serializedSignedTransaction);
// Broadcast Transaction
return await provider.broadcastTransaction(encodedTransaction);
}