[NOD-1493] Implement types for serialization (#980)

* [NOD-1493] Add DbAcceptanceData.

* [NOD-1493] Add DbBlockRelations.

* [NOD-1493] Add DbBlockStatus.

* [NOD-1493] Add DbBlockGhostdagData.

* [NOD-1493] Add DbMultiset.

* [NOD-1493] Add DbPruningPoint.

* [NOD-1493] Add DbUtxoSet.

* [NOD-1493] Add DbReachabilityData.

* [NOD-1493] Add DbReachabilityReindexRoot.

* [NOD-1493] Add DbUtxoDiff.

* [NOD-1493] Add DbUtxoDiffChild.

* [NOD-1493] Make sure everything is lowercase.

* [NOD-1493] Add DbHash.

* [NOD-1493] Fix BlockHeaderStore.

domain/consensus/database/serialization/messages.proto

@@ -10,38 +10,127 @@ message DbBlock {
 
 message DbBlockHeader {
   int32 version = 1;
-  repeated bytes parentHashes = 2;
-  bytes hashMerkleRoot = 3;
-  bytes acceptedIDMerkleRoot = 4;
-  bytes utxoCommitment = 5;
+  repeated DbHash parentHashes = 2;
+  DbHash hashMerkleRoot = 3;
+  DbHash acceptedIDMerkleRoot = 4;
+  DbHash utxoCommitment = 5;
   int64 timeInMilliseconds = 6;
   uint32 bits = 7;
   uint64 nonce = 8;
 }
 
+message DbHash {
+  bytes hash = 1;
+}
+
 message DbTransaction {
-  int32 Version = 1;
-  repeated DbTransactionInput Inputs = 2;
-  repeated DbTransactionOutput Outputs = 3;
-  uint64 LockTime = 4;
-  bytes SubnetworkID = 5;
-  uint64 Gas = 6;
-  bytes PayloadHash = 7;
-  bytes Payload = 8;
+  int32 version = 1;
+  repeated DbTransactionInput inputs = 2;
+  repeated DbTransactionOutput outputs = 3;
+  uint64 lockTime = 4;
+  DbSubnetworkId subnetworkID = 5;
+  uint64 gas = 6;
+  DbHash payloadHash = 7;
+  DbHash payload = 8;
 }
 
 message DbTransactionInput {
-  DbOutpoint PreviousOutpoint = 1;
-  bytes SignatureScript = 2;
-  uint64 Sequence = 3;
+  DbOutpoint previousOutpoint = 1;
+  bytes signatureScript = 2;
+  uint64 sequence = 3;
 }
 
 message DbOutpoint {
-  bytes TransactionID = 1;
-  uint32 Index = 2;
+  DbTransactionId transactionID = 1;
+  uint32 index = 2;
+}
+
+message DbTransactionId {
+  bytes transactionId = 1;
 }
 
 message DbTransactionOutput {
-  uint64 Value = 1;
-  bytes ScriptPublicKey = 2;
+  uint64 value = 1;
+  bytes scriptPublicKey = 2;
+}
+
+message DbSubnetworkId {
+  bytes subnetworkId = 1;
+}
+
+message DbAcceptanceData {
+  repeated DbBlockAcceptanceData blockAcceptanceData = 1;
+}
+
+message DbBlockAcceptanceData {
+  repeated DbTransactionAcceptanceData transactionAcceptanceData = 1;
+}
+
+message DbTransactionAcceptanceData {
+  DbTransaction transaction = 1;
+  uint64 fee = 2;
+  bool isAccepted = 3;
+}
+
+message DbBlockRelations {
+  repeated DbHash parents = 1;
+  repeated DbHash children = 2;
+}
+
+message DbBlockStatus {
+  uint32 status = 1;
+}
+
+message DbBlockGhostdagData {
+  uint64 blueScore = 1;
+  DbHash selectedParent = 2;
+  repeated DbHash mergeSetBlues = 3;
+  repeated DbHash mergeSetReds = 4;
+  repeated DbBluesAnticoneSizes bluesAnticoneSizes = 5;
+}
+
+message DbBluesAnticoneSizes {
+  DbHash blueHash = 1;
+  uint32 anticoneSize = 2;
+}
+
+message DbMultiset {
+  bytes multiset = 1;
+}
+
+message DbUtxoSet {
+  repeated DbUtxoCollectionItem items = 1;
+}
+
+message DbUtxoCollectionItem {
+  DbOutpoint outpoint = 1;
+  DbUtxoEntry utxoEntry = 2;
+}
+
+message DbUtxoEntry {
+  uint64 amount = 1;
+  bytes scriptPublicKey = 2;
+  uint64 blockBlueScore = 3;
+  bool isCoinbase = 4;
+}
+
+message DbReachabilityData {
+  DbReachabilityTreeNode treeNode = 1;
+  repeated DbHash futureCoveringSet = 2;
+}
+
+message DbReachabilityTreeNode {
+  repeated DbHash children = 1;
+  DbHash parent = 2;
+  DbReachabilityInterval interval = 3;
+}
+
+message DbReachabilityInterval {
+  uint64 start = 1;
+  uint64 end = 2;
+}
+
+message DbUtxoDiff {
+  repeated DbUtxoCollectionItem toAdd = 1;
+  repeated DbUtxoCollectionItem toRemove = 2;
 }

domain/consensus/datastructures/blockheaderstore/blockheaderstore.go

@@ -107,17 +107,17 @@ func (bms *blockHeaderStore) hashAsKey(hash *externalapi.DomainHash) model.DBKey
 }
 
 func (bms *blockHeaderStore) serializeHeader(header *externalapi.DomainBlockHeader) ([]byte, error) {
-	dbParentHashes := make([][]byte, len(header.ParentHashes))
+	dbParentHashes := make([]*serialization.DbHash, len(header.ParentHashes))
 	for i, parentHash := range header.ParentHashes {
-		dbParentHashes[i] = parentHash[:]
+		dbParentHashes[i] = &serialization.DbHash{Hash: parentHash[:]}
 	}
 
 	dbBlockHeader := &serialization.DbBlockHeader{
 		Version:              header.Version,
 		ParentHashes:         dbParentHashes,
-		HashMerkleRoot:       header.HashMerkleRoot[:],
-		AcceptedIDMerkleRoot: header.AcceptedIDMerkleRoot[:],
-		UtxoCommitment:       header.UTXOCommitment[:],
+		HashMerkleRoot:       &serialization.DbHash{Hash: header.HashMerkleRoot[:]},
+		AcceptedIDMerkleRoot: &serialization.DbHash{Hash: header.AcceptedIDMerkleRoot[:]},
+		UtxoCommitment:       &serialization.DbHash{Hash: header.UTXOCommitment[:]},
 		TimeInMilliseconds:   header.TimeInMilliseconds,
 		Bits:                 header.Bits,
 		Nonce:                header.Nonce,
@@ -135,20 +135,20 @@ func (bms *blockHeaderStore) deserializeHeader(headerBytes []byte) (*externalapi
 
 	parentHashes := make([]*externalapi.DomainHash, len(dbBlockHeader.ParentHashes))
 	for i, dbParentHash := range dbBlockHeader.ParentHashes {
-		parentHashes[i], err = hashes.FromBytes(dbParentHash)
+		parentHashes[i], err = hashes.FromBytes(dbParentHash.Hash)
 		if err != nil {
 			return nil, err
 		}
 	}
-	hashMerkleRoot, err := hashes.FromBytes(dbBlockHeader.HashMerkleRoot)
+	hashMerkleRoot, err := hashes.FromBytes(dbBlockHeader.HashMerkleRoot.Hash)
 	if err != nil {
 		return nil, err
 	}
-	acceptedIDMerkleRoot, err := hashes.FromBytes(dbBlockHeader.AcceptedIDMerkleRoot)
+	acceptedIDMerkleRoot, err := hashes.FromBytes(dbBlockHeader.AcceptedIDMerkleRoot.Hash)
 	if err != nil {
 		return nil, err
 	}
-	utxoCommitment, err := hashes.FromBytes(dbBlockHeader.UtxoCommitment)
+	utxoCommitment, err := hashes.FromBytes(dbBlockHeader.UtxoCommitment.Hash)
 	if err != nil {
 		return nil, err
 	}