syntax = "proto3";
package protowire;

option go_package = "github.com/kaspanet/kaspad/protowire";

message KaspadMessage {
  oneof payload {
    AddressesMessage addresses = 1;
    BlockMessage block = 2;
    TransactionMessage transaction = 3;
    RequestBlockLocatorMessage requestBlockLocator = 4;
    BlockLocatorMessage blockLocator = 5;
    RequestAddressesMessage requestAddresses = 6;
    RequestIBDBlocksMessage requestIBDBlocks = 7;
    RequestNextIBDBlocksMessage requestNextIBDBlocks = 8;
    DoneIBDBlocksMessage DoneIBDBlocks = 9;
    RequestRelayBlocksMessage requestRelayBlocks = 10;
    RequestSelectedTipMessage requestSelectedTip = 11;
    RequestTransactionsMessage requestTransactions = 12;
    BlockMessage ibdBlock = 13;
    InvRelayBlockMessage invRelayBlock = 14;
    InvTransactionsMessage invTransactions = 15;
    PingMessage ping = 16;
    PongMessage pong = 17;
    SelectedTipMessage selectedTip = 18;
    VerackMessage verack = 19;
    VersionMessage version = 20;
    TransactionNotFoundMessage transactionNotFound = 21;
    RejectMessage reject = 22;
  }
}

// AddressesMessage start
message AddressesMessage{
  bool includeAllSubnetworks = 1;
  SubnetworkID subnetworkID = 2;
  repeated NetAddress addressList = 3;
}

message NetAddress{
  int64  timestamp = 1;
  uint64 services = 2;
  bytes ip = 3;
  uint32 port = 4;
}

message SubnetworkID{
  bytes bytes = 1;
}
// AddressesMessage end

// GetAddressesMessage start
message RequestAddressesMessage{
  bool includeAllSubnetworks = 1;
  SubnetworkID subnetworkID = 2;
}
// GetAddressesMessage end

// TransactionMessage start
message TransactionMessage{
  int32 version = 1;
  repeated TransactionInput inputs = 2;
  repeated TransactionOutput outputs = 3;
  uint64 lockTime = 4;
  SubnetworkID subnetworkID = 5;
  uint64 gas = 6;
  Hash payloadHash = 7;
  bytes Payload = 8;
}

message TransactionInput{
  Outpoint PreviousOutpoint = 1;
  bytes SignatureScript = 2;
  uint64 Sequence = 3;
}

message Outpoint{
  TransactionID transactionID = 1;
  uint32 index = 2;
}

message TransactionID{
  bytes bytes = 1;
}

message TransactionOutput{
  uint64 value = 1;
  bytes ScriptPubKey = 2;
}
// TransactionMessage end

// BlockMessage start
message BlockMessage{
  BlockHeader header = 1;
  repeated TransactionMessage transactions = 2;
}

message BlockHeader{
  int32 version = 1;
  repeated Hash parentHashes = 2;
  Hash hashMerkleRoot = 3;
  Hash acceptedIDMerkleRoot = 4;
  Hash utxoCommitment = 5;
  int64 timestamp = 6;
  uint32 bits = 7;
  uint64 nonce = 8;
}

message Hash{
  bytes bytes = 1;
}
// BlockMessage end

// GetBlockLocatorMessage start
message RequestBlockLocatorMessage{
  Hash lowHash = 1;
  Hash highHash = 2;
}
// GetBlockLocatorMessage end

// BlockLocatorMessage start
message BlockLocatorMessage{
  repeated Hash hashes = 1;
}
// BlockLocatorMessage end

// GetBlocksMessage start
message RequestIBDBlocksMessage{
  Hash lowHash = 1;
  Hash highHash = 2;
}
// GetBlocksMessage end

// RequestNextIBDBlocksMessage start
message RequestNextIBDBlocksMessage{
}
// RequestNextIBDBlocksMessage end

// DoneIBDBlocksMessage start
message DoneIBDBlocksMessage{
}
// DoneIBDBlocksMessage end

// GetRelayBlocksMessage start
message RequestRelayBlocksMessage{
  repeated Hash hashes = 1;
}
// GetRelayBlocksMessage end

// GetSelectedTipMessage start
message RequestSelectedTipMessage{
}
// GetSelectedTipMessage end

// RequestTransactionsMessage start
message RequestTransactionsMessage {
  repeated TransactionID ids = 1;
}
// GetTransactionsMessage end

// TransactionNotFoundMessage start
message TransactionNotFoundMessage{
  TransactionID id = 1;
}
// TransactionsNotFoundMessage end

// InvRelayBlockMessage start
message InvRelayBlockMessage{
  Hash hash = 1;
}
// InvRelayBlockMessage end

// InvTransactionMessage start
message InvTransactionsMessage{
  repeated TransactionID ids = 1;
}
// InvTransactionMessage end

// PingMessage start
message PingMessage{
  uint64 nonce = 1;
}
// PingMessage end

// PongMessage start
message PongMessage{
  uint64 nonce = 1;
}
// PongMessage end

// SelectedTipMessage start
message SelectedTipMessage{
  Hash selectedTipHash = 1;
}
// SelectedTipMessage end

// VerackMessage start
message VerackMessage{
}
// VerackMessage end

// VersionMessage start
message VersionMessage{
  uint32 protocolVersion = 1;
  uint64 services = 2;
  int64 timestamp = 3;
  NetAddress address = 4;
  bytes id = 5;
  string userAgent = 6;
  Hash selectedTipHash = 7;
  bool disableRelayTx = 8;
  SubnetworkID subnetworkID = 9;
  string network = 10;
}
// VersionMessage end

// RejectMessage start
message RejectMessage{
  string reason = 1;
}
// RejectMessage end

service P2P {
  rpc MessageStream (stream KaspadMessage) returns (stream KaspadMessage) {}
}