public async Task <bool> CertifyCandidateUser(CandidateMicroCredentialCourse candidateMicroCredentialCourse)
{
var candidate = _unitOfWork.CandidateRepository.GetById(candidateMicroCredentialCourse.CandidateId);
var microCredential = _unitOfWork.MicroCredentialRepository.GetById(candidateMicroCredentialCourse.MicroCredentialId);
var moocProvider = _unitOfWork.MoocProviderRepository.GetAll().FirstOrDefault(m => m.MoocProviderId == microCredential.MoocProviderId);
if (moocProvider == null)
{
throw new Exception($"MoocProvider Cannot be null, for MicroCredentialId = {microCredential.MoocProviderId}");
}
var stratisBlockDataToSign = _moocMicroCredentialProvider.GetUserDataToCertify(candidate.EmailAddress, moocProvider.EmailAddress, microCredential);
var signature = _moocMicroCredentialProvider.CreateSignature(stratisBlockDataToSign);
//_moocMicroCredentialProvider.StratisMineBlockThenReturnResponse(stratisBlockDataSigned);
//var signBlockRequest = new SignBlockRequest { externalAddress = ConfigurationManager.AppSettings["ExternalAddress"], message = signature /*stratisBlockDataToSign*/, walletName = ConfigurationManager.AppSettings["StratisWalletName"], password = ConfigurationManager.AppSettings["StratisWalletAccountPassword"] };
//var signature = _moocMicroCredentialProvider.StratisApiFullfilRequestComponent.SignBlockData(signBlockRequest).Result;
var transactionDataRequest = new TransactionBuildData
{
accountName = "account 0",
allowUnconfirmed = true,
shuffleOutputs = true,
changeAddress = ConfigurationManager.AppSettings["StratisWalletAddress"],
feeType = "medium",
walletName = ConfigurationManager.AppSettings["StratisWalletName"],
password = ConfigurationManager.AppSettings["StratisWalletAccountPassword"],
recipients = new Recipient[] { new Recipient {
amount = microCredential.CertificateFee.ToString(), destinationAddress = ConfigurationManager.AppSettings["ExternalAddress"]
} }
};
var trasaction = await _moocMicroCredentialProvider.StratisApiFullfilRequestComponent.BuildTransaction(transactionDataRequest);
var transactionResult = await _moocMicroCredentialProvider.StratisApiFullfilRequestComponent.SendTransaction(trasaction.hex);
var candidateCourseCredential = _unitOfWork.CandidateMicroCredentialCourseRepository.GetAll().Where(c => c.MicroCredentialId == candidateMicroCredentialCourse.MicroCredentialId && c.CandidateId == candidateMicroCredentialCourse.CandidateId).FirstOrDefault();
//Save to Hash to DB:
if (candidateCourseCredential != null)
{
candidateCourseCredential.HasPassed = true;
candidateCourseCredential.HashOfMine = signature;
candidateCourseCredential.transactionHex = trasaction.hex;
candidateCourseCredential.transactionId = trasaction.transactionId;
candidateCourseCredential.MicroCredentialBadgeId = candidateMicroCredentialCourse.MicroCredentialBadgeId;
_unitOfWork.CandidateMicroCredentialCourseRepository.Update(candidateCourseCredential);
_unitOfWork.SaveChanges();
return(true);
}
return(false);
}
public bool VerifyUserCert(string emailAddress, MicroCredential microCredential)
{
Candidate candidate = RepositoryEndPointService.GetCandidateByEmail(emailAddress);
CandidateMicroCredentialCourse candidateWithCourse = RepositoryEndPointService.GetCandidateAndCourseForVerification(candidate.CandidateId, microCredential.MicroCredentialId);
if (candidateWithCourse == null)
{
return(false);
}
var hashOfMicroCredential = candidateWithCourse.HashOfMine;
//return this.StratisApiFullfilRequestComponent.VerifyBlockData(new VerifyBlockRequest { externalAddress = ConfigurationManager.AppSettings["ExternalAddress"], message = this.MoocProvider.GetUserDataToCertify(candidate.EmailAddress, this.MoocProvider.Mooc.EmailAddress, microCredential), signature = hashOfMicroCredential }).Result;
var moocEmailAddress = microCredential.MoocProvider.EmailAddress;
var content = MoocProvider.GetUserDataToCertify(emailAddress, moocEmailAddress, microCredential);
var signedContent = MoocProvider.CreateSignature(content);
return(candidateWithCourse.HashOfMine.Equals(signedContent));
}
