public static async Task <MaticTransactionOptions> GetTransactionEstimate(ERC20WithdrawModel withdrawModel, MaticTransactionOptions options, Function function)
{
try
{
//Get the Account and set up the sender's Address
Account account = GetAccount(options.SenderPrivateKey, options.ChainId);
//Get the Gas Limit
HexBigInteger gasLimit = await function.EstimateGasAsync(account.Address, null, null, withdrawModel.Amount);
//Get the Gas Price Estimate
GasPriceEstimator gasPriceEstimator = new GasPriceEstimator();
GasPriceEstimate gasPriceEstimate = await gasPriceEstimator.GetRecommendedGasPriceFromNetwork();
//Fill the options
options.GasPrice = (decimal)gasPriceEstimate.AverageGwei;
options.GasLimit = gasLimit;
options.From = account.Address;
return(options);
}
catch (Exception ex)
{
throw new Exception("Could not Fetch the Transaction Estimate because " + ex.Message);
}
}
public static async Task <MaticTransactionOptions> GetTransactionEstimate(ERC20ApproveModel approveModel, MaticTransactionOptions options, Function function)
{
try
{
//Get the Account of the Sender
Account account = GetAccount(options.SenderPrivateKey, options.ChainId);
//Get the Gas Limit
HexBigInteger gasLimit = await function.EstimateGasAsync(account.Address, null, null, approveModel.Spender, (BigInteger)approveModel.Value);
//Get the Gas Price Estimate
GasPriceEstimator gasPriceEstimator = new GasPriceEstimator();
GasPriceEstimate gasPriceEstimate = await gasPriceEstimator.GetRecommendedGasPriceFromNetwork();
//Fill the options
options.GasPrice = (decimal)gasPriceEstimate.AverageGwei;
options.GasLimit = gasLimit;
options.From = account.Address;
return(options);
}
catch (Exception ex)
{
throw new Exception("Failed to Fill options because " + ex.Message);
}
}
public static async Task <MaticTransactionOptions> GetTransactionEstimate(WithdrawBurntTokensModel withdrawModel, MaticTransactionOptions options, Function function)
{
try
{
//Get the Account of the Sender
Account account = GetAccount(options.SenderPrivateKey, options.ChainId);
//Get the Gas Limit
HexBigInteger gasLimit = await function.EstimateGasAsync(account.Address, null, null, withdrawModel.HeaderNumber, withdrawModel.HeaderProof, withdrawModel.BlockNumber, withdrawModel.BlockTimeStamp, withdrawModel.TxRoot, withdrawModel.ReceiptProof, withdrawModel.Path, withdrawModel.TxBytes, withdrawModel.TxProof, withdrawModel.ReceiptBytes, withdrawModel.ReceiptProof);
//Get the Gas Price Estimate
GasPriceEstimator gasPriceEstimator = new GasPriceEstimator();
GasPriceEstimate gasPriceEstimate = await gasPriceEstimator.GetRecommendedGasPriceFromNetwork();
//Fill the options
options.GasPrice = (decimal)gasPriceEstimate.AverageGwei;
options.GasLimit = gasLimit;
options.From = account.Address;
return(options);
}
catch (Exception ex)
{
throw new Exception("Failed to Fill options because " + ex.Message);
}
}
public static async Task <MaticTransactionOptions> GetTransactionEstimate(DepositModel depositModel, MaticTransactionOptions options, Function function)
{
try
{
//Get the Account of the Sender
options.ChainId = Chain.Ropsten;
Account account = GetAccount(options.SenderPrivateKey, options.ChainId);
//Get the Gas Price Estimate
GasPriceEstimator gasPriceEstimator = new GasPriceEstimator();
GasPriceEstimate gasPriceEstimate = await gasPriceEstimator.GetRecommendedGasPriceFromNetwork();
//Get the Gas Limit
HexBigInteger gasLimit = new HexBigInteger(4712388);
//HexBigInteger gasLimit = await function.EstimateGasAsync(depositModel);
//Fill the options
options.GasPrice = (decimal)gasPriceEstimate.AverageGwei;
options.GasLimit = gasLimit;
options.From = account.Address;
return(options);
}
catch (Exception ex)
{
throw new Exception("Failed to Fill options because " + ex.Message);
}
}
public static async Task <MaticTransactionOptions> GetTransactionEstimate(MaticTransactionOptions options, Function function)
{
try
{
//Get the Account and set up the sender's Address
Account account = GetAccount(options.SenderPrivateKey, options.ChainId);
//Get the Gas Limit
HexBigInteger gasLimit = await function.EstimateGasAsync(account.Address, null, new HexBigInteger(options.Value.ToString()));
//Get the Gas Price Estimate
GasPriceEstimator gasPriceEstimator = new GasPriceEstimator();
GasPriceEstimate gasPriceEstimate = await gasPriceEstimator.GetRecommendedGasPriceFromNetwork();
//Fill the options
options.GasPrice = (decimal)gasPriceEstimate.AverageGwei;
options.GasLimit = gasLimit;
options.From = account.Address;
return(options);
}
catch (Exception ex)
{
throw new Exception($"There was an error fetching the transaction estimate because {ex.Message}");
}
}
public async Task <GasPriceEstimate> GetRecommendedGasPriceFromNetwork()
{
HttpClient client = new HttpClient();
client.BaseAddress = new Uri("https://ethgasstation.info/");
var response = await client.GetAsync("json/ethgasAPI.json");
if (response.StatusCode == HttpStatusCode.OK)
{
string contentString = await response.Content.ReadAsStringAsync();
EthGasStationResponse ethGasStationResponse = JsonConvert.DeserializeObject <EthGasStationResponse>(contentString);
GasPriceEstimate gasPriceEstimate = new GasPriceEstimate
{
LowGwei = ethGasStationResponse.safeLow,
AverageGwei = ethGasStationResponse.average,
FastGwei = ethGasStationResponse.fast,
};
return(gasPriceEstimate);
}
throw new Exception($"Fetching Of Recommended Gas Price Returned Status Code {response.StatusCode}");
}
