/// <summary>
/// Sends a message to an ethereum smart contract with the intent to change a part of the contract on the blockchain.
/// </summary>
/// <typeparam name="TFunc"> The type of the function to execute. </typeparam>
/// <param name="function"> The function to execute. </param>
/// <param name="privateKey"> The private key of the address executing the contract function. </param>
/// <param name="contractAddress"> The address of the contract which will process the message. </param>
/// <param name="gasPrice"> The gas price (in wei) to use to send the transaction. </param>
/// <param name="gasLimit"> The gas limit (in wei) to use to send the transaction. </param>
/// <param name="value"> The amount of eth (in wei) to send with the transaction. </param>
/// <returns> Task which returns the TransactionPoller which will await the transaction result. </returns>
public static async Task <TransactionPoller> SendContractMessage <TFunc>(
TFunc function,
string privateKey,
string contractAddress,
BigInteger gasPrice,
BigInteger gasLimit,
BigInteger value) where TFunc : FunctionMessage, new()
{
EthECKey ethECKey = new EthECKey(privateKey);
function.SetDefaultFromAddressIfNotSet(ethECKey.GetPublicAddress());
function.Gas = gasLimit;
function.GasPrice = gasPrice;
InMemoryNonceService nonceService = new InMemoryNonceService(ethECKey.GetPublicAddress(), NetworkProvider.GetWeb3().Client);
TransactionSigner signer = new TransactionSigner();
string signedTxData = signer.SignTransaction(
privateKey,
NetworkProvider.GetActiveNetworkChain(),
contractAddress,
value,
(await nonceService.GetNextNonceAsync()).Value,
gasPrice,
gasLimit,
function.CreateTransactionInput(contractAddress).Data);
EthSendRawTransaction rawTransaction = new EthSendRawTransaction(NetworkProvider.GetWeb3().Client);
return(new TransactionPoller(await rawTransaction.SendRequestAsync(signedTxData)));
}
/// <summary>
/// Sends a given amount of ether to an address.
/// </summary>
/// <param name="privateKey"> The private key of the address which is sending the ether. </param>
/// <param name="addressTo"> The address the ether is being sent to. </param>
/// <param name="amount"> The amount of ether being sent, in eth. (not wei) </param>
/// <param name="gasPrice"> The gas price (in wei) to use to send the transaction. </param>
/// <param name="gasLimit"> The gas limit (in wei) to use to send the transaction. </param>
/// <returns> Task which returns the TransactionPoller which will await the transaction result. </returns>
public static async Task <TransactionPoller> SendEther(string privateKey, string addressTo, decimal amount, BigInteger gasPrice, BigInteger gasLimit)
{
BigInteger value = SolidityUtils.ConvertToUInt(amount, 18);
EthECKey ethECKey = new EthECKey(privateKey);
InMemoryNonceService nonceService = new InMemoryNonceService(ethECKey.GetPublicAddress(), NetworkProvider.GetWeb3().Client);
TransactionSigner signer = new TransactionSigner();
string signedTxData = signer.SignTransaction(
privateKey,
NetworkProvider.GetActiveNetworkChain(),
addressTo,
value,
(await nonceService.GetNextNonceAsync()).Value,
gasPrice,
gasLimit,
string.Empty);
EthSendRawTransaction rawTransaction = new EthSendRawTransaction(NetworkProvider.GetWeb3().Client);
return(new TransactionPoller(await rawTransaction.SendRequestAsync(signedTxData)));
}
