public async Task <object> GetManifestFile(UInt160 contractHash)
{
var contract = contractHash.GetContract();
if (contract == null)
{
return(Error(ErrorCode.UnknownContract));
}
return(contract.Manifest.ToJson());
}
public async Task <object> GetContract(UInt160 contractHash)
{
var contract = contractHash.GetContract();
if (contract == null)
{
return(Error(ErrorCode.UnknownContract));
}
var model = new ContractModel(contract)
{
ContractHash = contractHash,
};
return(model);
}
public async Task <object> DeployContract(string nefPath, string manifestPath = null, bool sendTx = false, UInt160 sender = null)
{
if (CurrentWallet == null)
{
return(Error(ErrorCode.WalletNotOpen));
}
if (nefPath.IsNull())
{
return(Error(ErrorCode.ParameterIsNull, "nefPath is empty."));
}
if (manifestPath.IsNull())
{
manifestPath = Path.ChangeExtension(nefPath, ".manifest.json");
}
// Read nef
NefFile nefFile = ReadNefFile(nefPath);
// Read manifest
ContractManifest manifest = ReadManifestFile(manifestPath);
// Basic script checks
await CheckBadOpcode(nefFile.Script);
// Build script
using ScriptBuilder sb = new ScriptBuilder();
sb.EmitDynamicCall(NativeContract.ContractManagement.Hash, "deploy", nefFile.ToArray(),
manifest.ToJson().ToString());
//sb.EmitAppCall(NativeContract.Management.Hash, "deploy", nefFile.ToArray(), manifest.ToJson().ToString());
var script = sb.ToArray();
Transaction tx;
try
{
tx = CurrentWallet.MakeTransaction(Helpers.GetDefaultSnapshot(), script, sender);
}
catch (InvalidOperationException ex)
{
return(Error(ErrorCode.EngineFault, ex.GetExMessage()));
}
catch (Exception ex)
{
if (ex.Message.Contains("Insufficient GAS"))
{
return(Error(ErrorCode.GasNotEnough));
}
throw;
}
UInt160 hash = SmartContract.Helper.GetContractHash(tx.Sender, nefFile.CheckSum, manifest.Name);
var oldContract = hash.GetContract();
if (oldContract != null)
{
return(Error(ErrorCode.ContractAlreadyExist));
}
var result = new DeployResultModel
{
ContractHash = hash,
GasConsumed = new BigDecimal((BigInteger)tx.SystemFee, NativeContract.GAS.Decimals)
};
if (sendTx)
{
var(signSuccess, context) = CurrentWallet.TrySignTx(tx);
if (!signSuccess)
{
return(Error(ErrorCode.SignFail, context.SafeSerialize()));
}
await tx.Broadcast();
result.TxId = tx.Hash;
}
return(result);
}