async Task <T> ExecuteContract <T>(params object[] values)
{
var web3 = new Web3(_providerUrl);
var unlockAccountResult = await web3.Personal.UnlockAccount.SendRequestAsync(_senderAddress, _password, _unlockAccountDuration);
return(await web3.Eth.GetContract(ZenCsScriptCore.Decode(_abi), _contractAddress).GetFunction(_functionName).CallAsync <T>(values));
}
// Parse "result" tags and create assembly for dynamically getting results from elements, that are then input args to smart contract function
void InitializeScript(Hashtable elements, IPlugin element)
{
lock (_syncCsScript)
{
if (_scripts == null)
{
string sFunctions = string.Empty;
foreach (string args in Regex.Split(element.GetElementProperty("CONTRACT_PARAMS"), "#100#"))
{
sFunctions += ZenCsScriptCore.GetFunction("return " + elements + ";");
}
_scripts = ZenCsScriptCore.Initialize(sFunctions, elements, element,
Path.Combine("tmp", "NeoSmartContractFunction", element.ID + ".zen"), null, element.GetElementProperty("PRINT_CODE") == "1");
}
}
}
// Parse "result" tags and create assembly for dynamically getting results from elements, that are then input args to smart contract function
void InitializeScript(Hashtable elements, IPlugin element)
{
lock (_syncCsScript)
{
if (_scripts == null)
{
string sFunctions = string.Empty;
foreach (string args in Regex.Split(ZenCsScriptCore.Decode(element.GetElementProperty("SCTRANSACTION_PARAMETERS")), "¨"))
{
if (!string.IsNullOrEmpty(args))
{
sFunctions += ZenCsScriptCore.GetFunction("return " + args + ";");
}
}
_scripts = ZenCsScriptCore.Initialize(sFunctions, elements, element,
Path.Combine("tmp", "SmartContractTransaction", element.ID + ".zen"),
ParentBoard, element.GetElementProperty("PRINT_CODE") == "1");
}
}
}
/**
* Second in series of element callbacks.
* Save visual element properties, parse and prepare dynamic calls for CONTRACT_PARAMS property
*/
public void OnNodeInit(Hashtable elements, IPlugin element)
{
// Provider url ("http://localhost:8545")
_providerUrl = element.GetElementProperty("PROVIDER_URL");
// Message value ("0"). Number of wei sent with the message.
_messageValue = element.GetElementProperty("MESSAGE_VALUE");
// Default gas value. ("290000")
_defaultGas = string.IsNullOrEmpty(element.GetElementProperty("DEFAUT_GAS")) ?
"290000" :
element.GetElementProperty("DEFAUT_GAS");
// Smart contract address ("0x97a93e68fa58513facb2b702a97597cab97afd6f")
_contractAddress = element.GetElementProperty("SMART_CONTRACT_ADDRESS");
// Smart contract ABI ([{""constant"":false,""inputs"":[{""name"":""tvConsumption"",""type"":""int256""},
// {""name"":""washingMachineConsumption"",""type"":""int256""}],""name"":""saveConsumptions"",""outputs"":[],
// ""payable"":false,""stateMutability"":""nonpayable"",""type"":""function""},{""constant"":false,""inputs"":[],
// ""name"":""getConsumptions"",""outputs"":[{""name"":""sumConsumption"",""type"":""int256""}],""payable"":false,
// ""stateMutability"":""nonpayable"",""type"":""function""},{""inputs"":[{""name"":""tvConsumption"",""type"":""int256""},
// {""name"":""washingMachineConsumption"",""type"":""int256""}],""payable"":false,""stateMutability"":""nonpayable"",
// ""type"":""constructor""}])
_abi = ZenCsScriptCore.Decode(element.GetElementProperty("ABI"));
// Name of smart contract function to be called ("saveConsumptions")
_functionName = element.GetElementProperty("FUNCTION_NAME");
// Get private key from keystore file
var json = File.OpenText(element.GetElementProperty("KEYSTORE_FILE")).ReadToEnd();
var service = new KeyStoreService();
_privateKey = service.DecryptKeyStoreFromJson(element.GetElementProperty("KEYSTORE_FILE_PASSWORD"), json).ToHex();
_address = service.GetAddressFromKeyStore(json);
// Parse result tags (<result>Element Id</result>) defined by user and dynamically create assembly that will query element results.
InitializeScript(elements, element);
}
