func (s *GossipStateProviderImpl) handleStateRequest(msg comm.ReceivedMessage) {
request := msg.GetGossipMessage().GetStateRequest()
response := &proto.RemoteStateResponse{Payloads: make([]*proto.Payload, 0)}
for _, seqNum := range request.SeqNums {
s.logger.Debug("Reading block ", seqNum, " from the committer service")
blocks := s.committer.GetBlocks([]uint64{seqNum})
if blocks == nil || len(blocks) < 1 {
s.logger.Errorf("Wasn't able to read block with sequence number %d from ledger, skipping....", seqNum)
continue
}
blockBytes, err := pb.Marshal(blocks[0])
if err != nil {
s.logger.Errorf("Could not marshal block: %s", err)
}
if err != nil {
s.logger.Errorf("Could not calculate hash of block: %s", err)
}
response.Payloads = append(response.Payloads, &proto.Payload{
SeqNum: seqNum,
Data: blockBytes,
// TODO: Check hash generation for given block from the ledger
Hash: "",
})
}
// Sending back response with missing blocks
msg.Respond(&proto.GossipMessage{
Content: &proto.GossipMessage_StateResponse{response},
})
}
