Deterministic finality

pom.xml

@@ -13,7 +13,7 @@
     <groupId>com.wavesplatform</groupId>
     <artifactId>protobuf-schemas</artifactId>
     <packaging>jar</packaging>
-    <version>1.5.3</version>
+    <version>1.6.0-SNAPSHOT</version>
 
     <name>Waves Node protobuf classes</name>
     <description>Waves Node protobuf java classes</description>

proto/waves/block.proto

@@ -31,6 +31,7 @@ message Block {
         bytes transactions_root = 10;
         bytes state_hash = 11;
         ChallengedHeader challenged_header = 12;
+        FinalizationVoting finalization_voting = 13;
     }
 
     Header header = 1;
@@ -45,10 +46,25 @@ message MicroBlock {
     bytes sender_public_key = 4;
     repeated SignedTransaction transactions = 5;
     bytes state_hash = 6;
+    FinalizationVoting finalization_voting = 7;
 }
 
 message SignedMicroBlock {
     MicroBlock micro_block = 1;
     bytes signature = 2;
     bytes total_block_id = 3;
 }
+
+message EndorseBlock {
+    int32 endorser_index = 1;
+    bytes finalized_block_id = 2;
+    uint32 finalized_block_height = 3;
+    bytes endorsed_block_id = 4;
+    bytes signature = 5; // BLS
+}
+
+message FinalizationVoting {
+    repeated int32 endorser_indexes = 1; // In insertion order
+    bytes aggregated_endorsement_signature = 2; // BLS
+    repeated EndorseBlock conflict_endorsements = 3; // Without block_height
+}

proto/waves/transaction.proto

@@ -1,4 +1,5 @@
 syntax = "proto3";
+
 package waves;
 
 option java_package = "com.wavesplatform.protobuf.transaction";
@@ -43,6 +44,7 @@ message Transaction {
         InvokeScriptTransactionData invoke_script = 116;
         UpdateAssetInfoTransactionData update_asset_info = 117;
         InvokeExpressionTransactionData invoke_expression = 119;
+        CommitToGenerationTransactionData commit_to_generation = 120;
     };
 };
 
@@ -154,3 +156,9 @@ message UpdateAssetInfoTransactionData {
 message InvokeExpressionTransactionData {
     bytes expression = 1;
 }
+
+message CommitToGenerationTransactionData {
+    uint32 generation_period_start = 1;
+    bytes endorser_public_key = 2; // BLS
+    bytes commitment_signature = 3; // BLS signature for endorser_public_key ++ generation_period_start
+}

proto/waves/transaction_state_snapshot.proto

@@ -22,6 +22,7 @@ message TransactionStateSnapshot {
   repeated AccountData account_data = 12;
   repeated Sponsorship sponsorships = 13;
   TransactionStatus transaction_status = 14;
+  GenerationCommitment generation_commitment = 15;
 
   message Balance {
     bytes address = 1;
@@ -95,6 +96,11 @@ message TransactionStateSnapshot {
     bytes asset_id = 1;
     int64 min_fee = 2;
   }
+
+  message GenerationCommitment {
+    bytes sender_public_key = 1;
+    bytes endorser_public_key = 2;
+  }
 }
 
 enum TransactionStatus {