public async Task <string> ApproveContract(string ContractAddress, string PublicKey)
{
//approve the contract seny by the seller (send money and sign the contract)
DappAccount account = DappAccountController.openWith[PublicKey.ToLower()];
SmartContractService deployedContract = new SmartContractService(account, ContractAddress);
double beforeBalanceETH = await DappAccountController.get_ETH_Balance(PublicKey, PublicKey);
double beforeBalanceILS = await DappAccountController.get_ILS_Balance(PublicKey, PublicKey);
double exchangeRate = DappAccountController.getExchangeRate_ETH_To_ILS();
double afterBalanceETH;
double afterBalanceILS;
double feeETH;
double feeILS;
Asset dealAsset = await deployedContract.getAssetDestails();
double ethToPay = dealAsset.Price;
bool isPaid = false;
bool isSigned = false;
isPaid = await deployedContract.sendEtherToContract(ethToPay);
if (isPaid == true)
{
isSigned = await deployedContract.setBuyerSign();
}
else
{
throw new Exception("Out of money");
}
afterBalanceETH = await DappAccountController.get_ETH_Balance(PublicKey, PublicKey);
afterBalanceILS = await DappAccountController.get_ILS_Balance(PublicKey, PublicKey);
feeETH = beforeBalanceETH - (afterBalanceETH + ethToPay);
feeILS = exchangeRate * feeETH;
ConfirmationRecipt recipt = new ConfirmationRecipt();
recipt.ContractAddress = ContractAddress;
recipt.feeETH = feeETH;
feeILS = Math.Truncate(feeILS * 100) / 100; //make the double number to be with 3 digits after dot
recipt.feeILS = feeILS;
var ReciptJson = Newtonsoft.Json.JsonConvert.SerializeObject(recipt);
updateOfferToPending(ContractAddress);
return(ReciptJson);
}
public async Task <string> ApproveContractAsRegulatorAsync(string ContractAddress)
{ //approve the contract (regulator do it)
DappAccount account = RegulatorController._regulator;
await DappAccountController.RefreshAccountData(account.publicKey);
SmartContractService deployedContract = new SmartContractService(account, ContractAddress);
Asset assetDetials = await deployedContract.getAssetDestails();
double DealPriceEth = assetDetials.Price;
double taxToGet = DealPriceEth * 0.17;
double beforeBalanceETH = await DappAccountController.get_ETH_Balance(account.publicKey, account.publicKey);
double beforeBalanceILS = await DappAccountController.get_ILS_Balance(account.publicKey, account.publicKey);
double exchangeRate = DappAccountController.getExchangeRate_ETH_To_ILS();
double afterBalanceETH;
double feeETH;
double feeILS;
var isApproved = await deployedContract.approveAndExcecute(0.17);
if (isApproved == true)
{
afterBalanceETH = await DappAccountController.get_ETH_Balance(account.publicKey, account.publicKey);
feeETH = afterBalanceETH - beforeBalanceETH - taxToGet;
feeILS = feeETH * exchangeRate;
feeILS = Math.Truncate(feeILS * 100) / 100; //make the double number to be with 3 digits after dot
await UpdateContractToApprovedInDB(ContractAddress);
await SwitchOwnership(ContractAddress);
}
else
{
throw new Exception("Out of money");
}
RegulatorConfirmationRecipt recipt = new RegulatorConfirmationRecipt();
recipt.ContractAddress = ContractAddress;
recipt.feeETH = feeETH;
recipt.feeILS = feeILS;
var ReciptJson = Newtonsoft.Json.JsonConvert.SerializeObject(recipt);
return(ReciptJson);
}
public async Task <string> DeployContract(ContractOffer offer)
{ //deploy (=create) the contract, save it in the blockahin and in the DB table - AssetInContracts
double beforeBalanceETH = await DappAccountController.get_ETH_Balance(offer.SellerPublicKey, offer.SellerPublicKey);
double beforeBalanceILS = await DappAccountController.get_ILS_Balance(offer.SellerPublicKey, offer.SellerPublicKey);
double exchangeRate = DappAccountController.getExchangeRate_ETH_To_ILS();
double afterBalanceETH;
double afterBalanceILS;
double feeETH;
double feeILS;
try
{
InsertAssetInContractToDB(offer, "Busy");
var account = DappAccountController.openWith[offer.SellerPublicKey.ToLower()];
var ContractAddress = await SmartContractService.Deploy(account, offer);
afterBalanceETH = await DappAccountController.get_ETH_Balance(offer.SellerPublicKey, offer.SellerPublicKey);
afterBalanceILS = await DappAccountController.get_ILS_Balance(offer.SellerPublicKey, offer.SellerPublicKey);
feeETH = beforeBalanceETH - afterBalanceETH;
feeILS = beforeBalanceILS - afterBalanceILS;
InsertAssetInContractToDB(offer, ContractAddress);
RemoveBusyAssetInContractFromDB(offer);
DeploymentRecipt recipt = new DeploymentRecipt();
recipt.ContractAddress = ContractAddress;
recipt.feeETH = feeETH;
feeILS = Math.Truncate(feeILS * 100) / 100; //make the double number to be with 3 digits after dot
recipt.feeILS = feeILS;
var ReciptJson = Newtonsoft.Json.JsonConvert.SerializeObject(recipt);
return(ReciptJson);
}
catch (Exception e)
{
RemoveBusyAssetInContractFromDB(offer);
return("Error");
}
}
public async Task <string> CancelContractAsRegulator(string ContractAddress, string DenyNotes)
{ //cancel the contract and return the money to the buyer
DappAccount account = RegulatorController._regulator;
await DappAccountController.RefreshAccountData(account.publicKey);
SmartContractService deployedContract = new SmartContractService(account, ContractAddress);
double beforeBalanceETH = await DappAccountController.get_ETH_Balance(account.publicKey, account.publicKey);
double beforeBalanceILS = await DappAccountController.get_ILS_Balance(account.publicKey, account.publicKey);
double exchangeRate = DappAccountController.getExchangeRate_ETH_To_ILS();
double afterBalanceETH;
double feeETH;
double feeILS;
var ReciptJson = "";
var isCanceled = await deployedContract.cancelDeal();
if (isCanceled == true)
{
afterBalanceETH = await DappAccountController.get_ETH_Balance(account.publicKey, account.publicKey);
feeETH = beforeBalanceETH - afterBalanceETH;
feeILS = feeETH * exchangeRate;
feeILS = Math.Truncate(feeILS * 100) / 100; //make the double number to be with 3 digits after dot
RegulatorConfirmationRecipt recipt = new RegulatorConfirmationRecipt();
recipt.ContractAddress = ContractAddress;
recipt.feeETH = feeETH;
recipt.feeILS = feeILS;
ReciptJson = Newtonsoft.Json.JsonConvert.SerializeObject(recipt);
UpdateContractToDeniedAsRegulatorInDB(ContractAddress, DenyNotes);
return(ReciptJson);
}
else
{
throw new Exception("No money the sign the transaction");
}
}
public async Task <string> CancelDealAsBuyer(string ContractAddress, string Notes, string PublicKey)
{ //deny the contract /cancel the contract sent by seller
DappAccount account = DappAccountController.openWith[PublicKey];
SmartContractService deployedContract = new SmartContractService(account, ContractAddress);
double beforeBalanceETH = await DappAccountController.get_ETH_Balance(PublicKey, PublicKey);
double beforeBalanceILS = await DappAccountController.get_ILS_Balance(PublicKey, PublicKey);
double exchangeRate = DappAccountController.getExchangeRate_ETH_To_ILS();
double afterBalanceETH;
double afterBalanceILS;
double feeETH;
double feeILS;
bool isDenied = false;
isDenied = await deployedContract.denyDeal();
if (isDenied == true)
{
afterBalanceETH = await DappAccountController.get_ETH_Balance(PublicKey, PublicKey);
afterBalanceILS = await DappAccountController.get_ILS_Balance(PublicKey, PublicKey);
feeETH = beforeBalanceETH - afterBalanceETH;
feeILS = beforeBalanceILS - afterBalanceILS;
ConfirmationRecipt recipt = new ConfirmationRecipt();
recipt.ContractAddress = ContractAddress;
recipt.feeETH = feeETH;
feeILS = Math.Truncate(feeILS * 100) / 100; //make the double number to be with 3 digits after dot
recipt.feeILS = feeILS;
var ReciptJson = Newtonsoft.Json.JsonConvert.SerializeObject(recipt);
updateOfferToDenied(ContractAddress, Notes);
return(ReciptJson);
}
return("Fail");
}
public async Task <string> CancelDealAsSeller(string ContractAddress, string PublicKey)
{ //cancel the contract if the time is over (the buyer didn`t sign in time)
DappAccount account = DappAccountController.openWith[PublicKey];
SmartContractService deployedContract = new SmartContractService(account, ContractAddress);
double beforeBalanceETH = await DappAccountController.get_ETH_Balance(PublicKey, PublicKey);
double beforeBalanceILS = await DappAccountController.get_ILS_Balance(PublicKey, PublicKey);
double exchangeRate = DappAccountController.getExchangeRate_ETH_To_ILS();
double afterBalanceETH;
double afterBalanceILS;
double feeETH;
double feeILS;
bool isCanceled = false;
isCanceled = await deployedContract.abort();
if (isCanceled == true)
{
afterBalanceETH = await DappAccountController.get_ETH_Balance(PublicKey, PublicKey);
afterBalanceILS = await DappAccountController.get_ILS_Balance(PublicKey, PublicKey);
feeETH = beforeBalanceETH - afterBalanceETH;
feeILS = beforeBalanceILS - afterBalanceILS;
ConfirmationRecipt recipt = new ConfirmationRecipt();
recipt.ContractAddress = ContractAddress;
recipt.feeETH = feeETH;
feeILS = Math.Truncate(feeILS * 100) / 100; //make the double number to be with 3 digits after dot
recipt.feeILS = feeILS;
var ReciptJson = Newtonsoft.Json.JsonConvert.SerializeObject(recipt);
deleteCanceledOfferBySeller(ContractAddress);
return(ReciptJson);
}
return("Fail");
}
