public async Task <SmartContractDeployResponse> DeployContractAsync(SmartContractDeployRequest request)
{
Guard.NotNull(request, nameof(request));
var web3 = GetWeb3(request.CallerPrivateKey, request.Endpoint);
object[] contractParameters = request.ContractParameters ?? new object[0];
HexBigInteger gas = await web3.Eth.DeployContract.EstimateGasAsync(request.ContractABI, request.ContractByteCode, request.FromAddress, contractParameters);
var receipt = await web3.Eth.DeployContract.SendRequestAndWaitForReceiptAsync(
request.ContractABI, request.ContractByteCode,
request.FromAddress, gas, null, contractParameters);
var entity = new SmartContractEntity
{
Network = GetNetwork(request.Endpoint),
Address = receipt.ContractAddress,
NetworkEndpoint = request.Endpoint,
ABI = request.ContractABI,
ByteCode = request.ContractByteCode,
FromAddress = request.FromAddress,
GasUsed = (long)receipt.GasUsed.Value,
TransactionHash = receipt.TransactionHash
};
await _azure.StoreAsync(entity);
return(new SmartContractDeployResponse
{
GasEstimated = (ulong)gas.Value,
GasUsed = (ulong)receipt.GasUsed.Value,
ContractAddress = receipt.ContractAddress,
TransactionHash = receipt.TransactionHash
});
}
public async Task <IHttpActionResult> DeploySmartContract([FromBody] SmartContractDeployRequest smartContractDeployRequest)
{
try
{
var smartContractDeployedInstanceItem = await this.smartContractManager.DeploySmartContract(smartContractDeployRequest);
return(Ok(smartContractDeployedInstanceItem));
}
catch (Exception ex)
{
return(InternalServerError(ex));
}
}
public async Task <SmartContractDeployedInstanceItem> DeploySmartContract(SmartContractDeployRequest smartContractDeployRequest)
{
try
{
var smartContract = await this.smartContractDb.GetSmartContract(smartContractDeployRequest.SmartContractId);
var userDltAccount = await this.accountDb.GetUserDltAccountByLoginId(smartContractDeployRequest.DeployByUserLoginId);
if (smartContract != null)
{
var web3 = Nethereum.Geth.Web3Geth("http://localhost:8545/");
//var unlockResult = await
}
}
catch (Exception ex)
{
}
return(null);
}
public async Task <SmartContractDeployedInstanceItem> DeploySmartContract(SmartContractDeployRequest smartContractDeployRequest)
{
try
{
var smartContract = await this.smartContractDb.GetSmartContract(smartContractDeployRequest.SmartContractId);
var userDltAccount = await this.accountDb.GetUserDltAccountByLoginId(smartContractDeployRequest.DeployByUserLoginId);
if (smartContract != null)
{
var web3 = new Web3Geth();
var unlockResult = await web3.Personal.UnlockAccount.SendRequestAsync(userDltAccount.Address, userDltAccount.PassPhrase, 120);
object[] parameters = null;
if (smartContractDeployRequest.DeploymentData != null && smartContractDeployRequest.DeploymentData.Count > 0)
{
parameters = smartContractDeployRequest.DeploymentData.ToArray();
}
if (unlockResult)
{
var gas = await web3.Eth.DeployContract.EstimateGasAsync(smartContract.Abi,
smartContract.ByteCode,
userDltAccount.Address,
parameters);
var receipt = await web3.Eth.DeployContract.SendRequestAndWaitForReceiptAsync(smartContract.Abi,
smartContract.ByteCode,
userDltAccount.Address,
gas, null, parameters);
string contractAddress = receipt.ContractAddress;
SmartContractDeployedInstanceItem deployedInstanceItem = new SmartContractDeployedInstanceItem()
{
DeployByUserLoginId = smartContractDeployRequest.DeployByUserLoginId,
InitialData = Newtonsoft.Json.JsonConvert.SerializeObject(smartContractDeployRequest.DeploymentData),
DeployedAddress = contractAddress,
SmartContractId = smartContractDeployRequest.SmartContractId,
DeployedInstanceDisplayName = smartContractDeployRequest.DeployedInstanceDisplayName
};
var mutatedSmartContractDeployedInstanceItem = await this.smartContractDb.CreateSmartContractDeployedInstance(deployedInstanceItem);
return(mutatedSmartContractDeployedInstanceItem);
}
else
{
throw new Exception("Unable to unlock account");
}
}
else
{
throw new Exception("Invalid Smart Contract Id");
}
}
catch (Exception ex)
{
this.logger.LogException(ex, "An error occured in method SmartContractManager ==> DeploySmartContract");
throw;
}
}