internal ExtensiblePayload[] GetPrepareResponsePayloads(ConsensusContext context)
{
UInt256 preparationHash = PreparationHash ?? context.PreparationPayloads[context.Block.PrimaryIndex]?.Hash;
if (preparationHash is null)
{
return(Array.Empty <ExtensiblePayload>());
}
return(PreparationMessages.Values.Where(p => p.ValidatorIndex != context.Block.PrimaryIndex).Select(p => context.CreatePayload(new PrepareResponse
{
BlockIndex = BlockIndex,
ValidatorIndex = p.ValidatorIndex,
ViewNumber = ViewNumber,
PreparationHash = preparationHash
}, p.InvocationScript)).ToArray());
}
internal ConsensusPayload[] GetCommitPayloadsFromRecoveryMessage(ConsensusContext context, ConsensusPayload payload)
{
return(CommitMessages.Values.Select(p => new ConsensusPayload
{
Version = payload.Version,
PrevHash = payload.PrevHash,
BlockIndex = payload.BlockIndex,
ValidatorIndex = p.ValidatorIndex,
ConsensusMessage = new Commit
{
ViewNumber = p.ViewNumber,
Signature = p.Signature
},
Witness = new Witness
{
InvocationScript = p.InvocationScript,
VerificationScript = Contract.CreateSignatureRedeemScript(context.Validators[p.ValidatorIndex])
}
}).ToArray());
}
internal ConsensusPayload[] GetChangeViewPayloads(ConsensusContext context, ConsensusPayload payload)
{
return(ChangeViewMessages.Values.Select(p => new ConsensusPayload
{
Version = payload.Version,
PrevHash = payload.PrevHash,
BlockIndex = payload.BlockIndex,
ValidatorIndex = p.ValidatorIndex,
ConsensusMessage = new ChangeView
{
ViewNumber = p.OriginalViewNumber,
Timestamp = p.Timestamp
},
Witness = new Witness
{
InvocationScript = p.InvocationScript,
VerificationScript = Contract.CreateSignatureRedeemScript(context.Validators[p.ValidatorIndex])
}
}).ToArray());
}
internal ConsensusPayload GetPrepareRequestPayload(ConsensusContext context, ConsensusPayload payload)
{
if (PrepareRequestMessage == null)
{
return(null);
}
if (!PreparationMessages.TryGetValue((int)context.Block.ConsensusData.PrimaryIndex, out RecoveryMessage.PreparationPayloadCompact compact))
{
return(null);
}
return(new ConsensusPayload
{
Version = payload.Version,
PrevHash = payload.PrevHash,
BlockIndex = payload.BlockIndex,
ValidatorIndex = (ushort)context.Block.ConsensusData.PrimaryIndex,
ConsensusMessage = PrepareRequestMessage,
Witness = new Witness
{
InvocationScript = compact.InvocationScript,
VerificationScript = Contract.CreateSignatureRedeemScript(context.Validators[context.Block.ConsensusData.PrimaryIndex])
}
});
}
internal ConsensusService(IActorRef localNode, IActorRef taskManager, IActorRef blockchain, ConsensusContext context)
{
this.localNode = localNode;
this.taskManager = taskManager;
this.blockchain = blockchain;
this.context = context;
Context.System.EventStream.Subscribe(Self, typeof(Blockchain.PersistCompleted));
Context.System.EventStream.Subscribe(Self, typeof(Blockchain.RelayResult));
}
public ConsensusService(NeoSystem system, Wallet wallet)
{
this.system = system;
this.context = new ConsensusContext(wallet);
}