Fix #250

• Fix #250 (closed) by adding the RPC module for Grandpa.

Note: proveFinality call will only work after the first authority set change.

node/src/rpc.rs

@@ -26,7 +26,10 @@ pub use sc_rpc_api::DenyUnsafe;
 use common_runtime::{AccountId, Balance, Block, BlockNumber, Hash, Index};
 use jsonrpsee::RpcModule;
 use sc_consensus_babe::{BabeApi, BabeWorkerHandle};
-use sc_consensus_grandpa::{self, FinalityProofProvider};
+use sc_consensus_grandpa::{
+    self, FinalityProofProvider, GrandpaJustificationStream, SharedAuthoritySet, SharedVoterState,
+};
+use sc_rpc::SubscriptionTaskExecutor;
 use sc_transaction_pool_api::TransactionPool;
 use sp_api::ProvideRuntimeApi;
 use sp_block_builder::BlockBuilder;
@@ -48,13 +51,13 @@ pub struct BabeDeps {
 #[derive(Clone)]
 pub struct GrandpaDeps<B> {
     /// Voting round info.
-    pub shared_voter_state: sc_consensus_grandpa::SharedVoterState,
+    pub shared_voter_state: SharedVoterState,
     /// Authority set info.
-    pub shared_authority_set: sc_consensus_grandpa::SharedAuthoritySet<Hash, BlockNumber>,
+    pub shared_authority_set: SharedAuthoritySet<Hash, BlockNumber>,
     /// Receives notifications about justification events from Grandpa.
-    pub justification_stream: sc_consensus_grandpa::GrandpaJustificationStream<Block>,
+    pub justification_stream: GrandpaJustificationStream<Block>,
     /// Executor to drive the subscription manager in the Grandpa RPC handler.
-    pub subscription_executor: sc_rpc::SubscriptionTaskExecutor,
+    pub subscription_executor: SubscriptionTaskExecutor,
     /// Finality proof provider.
     pub finality_provider: Arc<FinalityProofProvider<B, Block>>,
 }