Merge pull request #932 from onflow/leo-add-signer-indices

update block header, add signer indices

protobuf/README.md

@@ -11,7 +11,7 @@ Check out the [Flow Access API specification](/docs/content/access-api.md).
 You can use [buf](https://github.com/bufbuild/buf) to generate gRPC client stubs in a variety of languages.
 Please make sure you have `protoc-gen-go-grpc` installed, for example using command
 ```shell script
-go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.1.0
+go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.2.0
 ```
 
 Running the command below (in the current directory) will generate stubs for Go:
@@ -28,10 +28,10 @@ JVM support is in the alpha stage; many steps require manual intervention.
 
 ### Publishing
 
-`./gradlew publishToSonatype` prepares and publishes compiled classes into JAR and uploads to OSSRH staging repository. 
+`./gradlew publishToSonatype` prepares and publishes compiled classes into JAR and uploads to OSSRH staging repository.
 
-This requires signing artifacts which is done by [Signing Gradle plugin](https://docs.gradle.org/current/userguide/signing_plugin.html) - it requires 
-external configuration and appropriate GPG Keys. Please refer to plugin and [OSSRH](https://central.sonatype.org/pages/working-with-pgp-signatures.html) 
+This requires signing artifacts which is done by [Signing Gradle plugin](https://docs.gradle.org/current/userguide/signing_plugin.html) - it requires
+external configuration and appropriate GPG Keys. Please refer to plugin and [OSSRH](https://central.sonatype.org/pages/working-with-pgp-signatures.html)
 documentation.
-Uploading to staging repo requires an approved Sonatype account. Please refer to [Gradle Nexus Publish Plugin](https://github.com/gradle-nexus/publish-plugin) 
-documentation how to provide credentials. 
+Uploading to staging repo requires an approved Sonatype account. Please refer to [Gradle Nexus Publish Plugin](https://github.com/gradle-nexus/publish-plugin)
+documentation how to provide credentials.

protobuf/flow/entities/block_header.proto

@@ -14,9 +14,10 @@ message BlockHeader {
   google.protobuf.Timestamp timestamp = 4;
   bytes payload_hash = 5;
   uint64 view = 6;
-  repeated bytes parent_voter_ids = 7;
+  repeated bytes parent_voter_ids = 7; // deprecated!! value will be empty. replaced by parent_vote_indices
   bytes parent_voter_sig_data = 8;
   bytes proposer_id = 9;
   bytes proposer_sig_data = 10;
   string chain_id = 11;
+  bytes parent_voter_indices = 12;
 }

protobuf/flow/entities/collection.proto

@@ -15,5 +15,6 @@ message CollectionGuarantee {
   repeated bytes signatures = 2;
   bytes reference_block_id = 3;
   bytes signature = 4;
-  repeated bytes signer_ids = 5;
-}
+  repeated bytes signer_ids = 5; // deprecated!! value will be empty. replaced by signer_indices
+  bytes signer_indices = 6;
+}