private bool CheckSpIdentityValidation(byte[] commitment, AssociatedProofs[] associatedProofsList, SpIdenitityValidation spIdentityValidation, string sessionKey)
{
byte[] groupId = _identityAttributesService.GetGroupId(spIdentityValidation.AttributeType);
AssociatedProofs associatedProofs = associatedProofsList.FirstOrDefault(P => P.AssociatedAssetGroupId.Equals32(groupId));
if (associatedProofs == null)
{
_idenitiesHubContext.Clients.Group(sessionKey).SendAsync("PushSpAuthorizationFailed", new { Code = 3, Message = "Validation proofs were not complete" }).Wait();
return(false);
}
bool associatedProofValid;
if (associatedProofs is AssociatedAssetProofs associatedAssetProofs)
{
associatedProofValid = ConfidentialAssetsHelper.VerifySurjectionProof(associatedAssetProofs.AssociationProofs, associatedAssetProofs.AssociatedAssetCommitment);
}
else
{
associatedProofValid = ConfidentialAssetsHelper.VerifySurjectionProof(associatedProofs.AssociationProofs, commitment);
}
bool rootProofValid = ConfidentialAssetsHelper.VerifySurjectionProof(associatedProofs.RootProofs, commitment);
if (!rootProofValid || !associatedProofValid)
{
_idenitiesHubContext.Clients.Group(sessionKey).SendAsync("PushSpAuthorizationFailed", new { Code = 3, Message = "Validation proofs were not correct" }).Wait();
return(false);
}
//TODO: !!! adjust checking either against Gateway or against local database
bool found = true; // associatedProofs.AssociationProofs.AssetCommitments.Any(a => associatedProofs.RootProofs.AssetCommitments.Any(r => _dataAccessService.CheckAssociatedAtributeExist(null, a, r)));
if (!found)
{
_idenitiesHubContext.Clients.Group(sessionKey).SendAsync("PushSpAuthorizationFailed", new { Code = 3, Message = "Validation proofs were not correct" }).Wait();
return(false);
}
return(true);
}
private async Task CheckSpIdentityValidation(Memory <byte> commitment, AssociatedProofs[] associatedProofsList, SpIdenitityValidation spIdentityValidation, string issuer)
{
byte[] groupId = await _identityAttributesService.GetGroupId(spIdentityValidation.SchemeName, issuer).ConfigureAwait(false);
AssociatedProofs associatedProofs = associatedProofsList.FirstOrDefault(P => P.AssociatedAssetGroupId.Equals32(groupId));
if (associatedProofs == null)
{
throw new ValidationProofsWereNotCompleteException(spIdentityValidation);
}
bool associatedProofValid;
if (associatedProofs is AssociatedAssetProofs associatedAssetProofs)
{
associatedProofValid = ConfidentialAssetsHelper.VerifySurjectionProof(associatedAssetProofs.AssociationProofs, associatedAssetProofs.AssociatedAssetCommitment);
}
else
{
associatedProofValid = ConfidentialAssetsHelper.VerifySurjectionProof(associatedProofs.AssociationProofs, commitment.Span);
}
bool rootProofValid = ConfidentialAssetsHelper.VerifySurjectionProof(associatedProofs.RootProofs, commitment.Span);
if (!rootProofValid || !associatedProofValid)
{
throw new ValidationProofFailedException(spIdentityValidation);
}
//TODO: !!! adjust checking either against Gateway or against local database
bool found = true; // associatedProofs.AssociationProofs.AssetCommitments.Any(a => associatedProofs.RootProofs.AssetCommitments.Any(r => _dataAccessService.CheckAssociatedAtributeExist(null, a, r)));
if (!found)
{
throw new ValidationProofFailedException(spIdentityValidation);
}
}
protected override Memory <byte> ParseUtxoConfidential(ushort version, Memory <byte> spanBody, out UtxoConfidentialBase utxoConfidentialBase)
{
UtxoConfidentialBase block = null;
if (version == 1)
{
int readBytes = 0;
ReadCommitment(ref spanBody, ref readBytes, out byte[] assetCommitment);
ReadEcdhTupleProofs(ref spanBody, ref readBytes, out EcdhTupleProofs ecdhTuple);
ReadSurjectionProof(ref spanBody, ref readBytes, out SurjectionProof ownershipProofs);
ReadSurjectionProof(ref spanBody, ref readBytes, out SurjectionProof eligibilityProofs);
byte associatedProofsCount = spanBody.Slice(readBytes++).Span[0];
AssociatedProofs[] associatedProofs = new AssociatedProofs[associatedProofsCount];
for (int i = 0; i < associatedProofsCount; i++)
{
byte associatedProofType = spanBody.Slice(readBytes++).Span[0];
AssociatedProofs associatedProof;
if (associatedProofType == 1)
{
ReadCommitment(ref spanBody, ref readBytes, out byte[] associatedAssetCommitment);
associatedProof = new AssociatedAssetProofs
{
AssociatedAssetCommitment = associatedAssetCommitment
};
}
else
{
associatedProof = new AssociatedProofs();
}
ReadCommitment(ref spanBody, ref readBytes, out byte[] associatedGroupId);
ReadSurjectionProof(ref spanBody, ref readBytes, out SurjectionProof associationProofs);
ReadSurjectionProof(ref spanBody, ref readBytes, out SurjectionProof rootProofs);
associatedProof.AssociatedAssetGroupId = associatedGroupId;
associatedProof.AssociationProofs = associationProofs;
associatedProof.RootProofs = rootProofs;
associatedProofs[i] = associatedProof;
}
block = new TransitionOnboardingDisclosingProofs
{
AssetCommitment = assetCommitment,
EcdhTuple = ecdhTuple,
OwnershipProof = ownershipProofs,
EligibilityProof = eligibilityProofs,
AssociatedProofs = associatedProofs
};
utxoConfidentialBase = block;
return(spanBody.Slice(readBytes));
}
throw new BlockVersionNotSupportedException(version, BlockType);
}
