/// <summary>
/// 1. Reward transaction has only one TxOutput which has the miners address
/// 2. The TxInput is signed by the instance of the blockchain wallet
/// </summary>
/// <param name="minerWallet"></param>
/// <param name="blockchainWallet"></param>
/// <returns></returns>
public (bool, string) CreateRewardTransaction(Wallet minerWallet)
{
Wallet blockchainWallet = Wallet.GetBlockchainWallet();
TxOutput minerTxOutput = new TxOutput()
{
Address = minerWallet.PublicKey.Key,
Amount = Block.MINER_REWARD
};
TxOutputs.Add(minerTxOutput);
SignTransaction(blockchainWallet);
return(true, "Reward Transaction Created Successfully");
}
/// <summary>
/// Update current transaction by adding a new transaction output and modifying
/// the senders changeback output
/// </summary>
/// <param name="senderWallet"></param>
/// <param name="recipientAddress"></param>
/// <param name="amountToSend"></param>
public (bool, string) UpdateTransaction(Wallet senderWallet, string recipientAddress, decimal amountToSend)
{
//get the current senders change back address and modify the amount to get back
TxOutput changeBack = TxOutputs.Find(p => p.Address == senderWallet.PublicKey.Key);
if (amountToSend > changeBack.Amount)
{
return(false, $"Amount {amountToSend} exceeds balance");
}
TxOutputs.Where(p => p.Address == senderWallet.PublicKey.Key).FirstOrDefault().Amount = changeBack.Amount - amountToSend;
TxOutput newRecipientOutput = new TxOutput()
{
Address = recipientAddress,
Amount = amountToSend
};
TxOutputs.Add(newRecipientOutput);
SignTransaction(senderWallet);
return(true, "Transaction Updated Successfully");
}
public (bool, string) CreateTransaction(Wallet senderWallet, string recipientAddress, decimal amount)
{
if (amount > senderWallet.Balance)
{
return(false, $"Amount {amount} exceeds balance");
}
TxOutput senderChangeBack = new TxOutput()
{
Address = senderWallet.PublicKey.Key,
Amount = senderWallet.Balance - amount
};
TxOutput recipientOutput = new TxOutput()
{
Address = recipientAddress,
Amount = amount
};
TxOutputs.Add(senderChangeBack);
TxOutputs.Add(recipientOutput);
SignTransaction(senderWallet);
return(true, "Transaction Created Successfully");
}
