/// <summary>
/// 获取交易回执单，只有交易成功的才有返回值，否则为null
/// </summary>
/// <param name="client"></param>
/// <param name="from"></param>
/// <param name="to"></param>
/// <param name="value"></param>
/// <param name="gas">默认值21000，</param>
/// <param name="gasprice">默认值为20000000000</param>
/// <returns></returns>
public static string SendTransaction(this JsonRPCClient client, string from, string to, decimal value, long?gas = null, long?gasprice = null)
{
if (client != null && !string.IsNullOrWhiteSpace(from) && !string.IsNullOrWhiteSpace(to))
{
var param = new SendTransactionParams();
param.From = from;
param.To = to;
if (gas > 0)
{
param.Gas = new HexBigInteger(BigInteger.Parse(gas.Value.ToString("f0"))).HexValue;
}
if (gasprice > 0)
{
param.GasPrice = new HexBigInteger(BigInteger.Parse(gasprice.Value.ToString("f0"))).HexValue;
}
SetDefaultGasPriceAndCostIfNotSet(param);
param.Value = value.ToWeiHex();
var resp = client.Call <SendTransactionResponse>(JsonRPCMethods.eth_sendTransaction.ToString(), param);
if (resp != null)
{
return(resp.Result);
}
}
return(null);
}
private static void SetDefaultGasPriceAndCostIfNotSet(SendTransactionParams transactionInput)
{
if (DEFAULT_GAS_LIMIT != null)
{
if (transactionInput.Gas == null)
{
transactionInput.Gas = new HexBigInteger(DEFAULT_GAS_LIMIT).HexValue;
}
}
if (DEFAULT_GAS_PRICE != null)
{
if (transactionInput.GasPrice == null)
{
transactionInput.GasPrice = new HexBigInteger(DEFAULT_GAS_PRICE).HexValue;
}
}
}
