syntax = "proto3";

package tendermint.types.proto3;
option  go_package = "github.com/tendermint/tendermint/types/proto3";

message PartSetHeader {
  int32 Total = 1;
  bytes Hash  = 2;
}

message BlockID {
  bytes         Hash        = 1;
  PartSetHeader PartsHeader = 2;
}

message Header {
  // basic block info
  Version   Version = 1;
  string    ChainID = 2;
  int64     Height  = 3;
  Timestamp Time    = 4;

  // prev block info
  BlockID LastBlockID = 5;

  // hashes of block data
  bytes LastCommitHash = 6;  // commit from validators from the last block
  bytes DataHash       = 7;  // transactions

  // hashes from the app output from the prev block
  bytes ValidatorsHash     = 8;   // validators for the current block
  bytes NextValidatorsHash = 9;   // validators for the next block
  bytes ConsensusHash      = 10;  // consensus params for current block
  bytes AppHash            = 11;  // state after txs from the previous block
  bytes LastResultsHash    = 12;  // root hash of all results from the txs from the previous block

  // consensus info
  bytes EvidenceHash    = 13;  // evidence included in the block
  bytes ProposerAddress = 14;  // original proposer of the block
}

message Version {
  uint64 Block = 1;
  uint64 App   = 2;
}

// Timestamp wraps how amino encodes time.
// This is the protobuf well-known type protobuf/timestamp.proto
// See:
// https://github.com/google/protobuf/blob/d2980062c859649523d5fd51d6b55ab310e47482/src/google/protobuf/timestamp.proto#L123-L135
// NOTE/XXX: nanos do not get skipped if they are zero in amino.
message Timestamp {
  int64 seconds = 1;
  int32 nanos   = 2;
}