/// <summary>
/// Create an evidence from a protobuf object. </summary>
/// <param name="e"> protobuf evidence. </param>
/// <exception cref="ChainscriptException"> </exception>
public static Evidence FromProto(Stratumn.Chainscript.Proto.Evidence @object)
{
string version = String.IsNullOrEmpty(@object.Version) ? "" : @object.Version;
string backend = String.IsNullOrEmpty(@object.Backend) ? "" : @object.Backend;
string provider = String.IsNullOrEmpty(@object.Provider) ? "" : @object.Provider;
byte[] proof = @object.Proof != null ? (@object.Proof).ToByteArray() : new byte[0];
return(new Evidence(version, backend, provider, proof));
}
/// <summary>
/// The segment can be enriched with evidence that the link was saved
/// immutably somewhere. </summary>
/// <param name="e"> evidence. </param>
/// <exception cref="ChainscriptException"> </exception>
public virtual void AddEvidence(Evidence e)
{
e.Validate();
if (this.GetEvidence(e.Backend, e.Provider) != null)
{
throw new ChainscriptException(Error.DuplicateEvidence);
}
Stratumn.Chainscript.Proto.Evidence pbEvidence = (new Stratumn.Chainscript.Proto.Evidence());
pbEvidence.Version = e.Version;
pbEvidence.Provider = e.Provider;
pbEvidence.Backend = e.Backend;
pbEvidence.Proof = ByteString.CopyFrom(e.Proof);
this.pbSegment.Meta.Evidences.Add(pbEvidence);
}
