Fix #250 (!279)

* add grandpa rpc

Cargo.lock

@@ -429,13 +429,13 @@ dependencies = [
 [[package]]
 name = "ark-secret-scalar"
 version = "0.0.2"
-source = "git+https://github.com/duniter/ring-vrf#06b60fdb7308c127448ef5799414c45516f6c42b"
+source = "git+https://github.com/duniter/ring-vrf#27a6b9f6aa0c576bc481947dd5e4f3beff0fe327"
 dependencies = [
  "ark-ec",
  "ark-ff",
  "ark-serialize",
  "ark-std",
- "ark-transcript",
+ "ark-transcript 0.0.2 (git+https://github.com/duniter/ring-vrf)",
  "digest 0.10.7",
  "getrandom_or_panic",
  "zeroize",
@@ -478,7 +478,20 @@ dependencies = [
 [[package]]
 name = "ark-transcript"
 version = "0.0.2"
-source = "git+https://github.com/duniter/ring-vrf#06b60fdb7308c127448ef5799414c45516f6c42b"
+source = "git+https://github.com/duniter/ring-vrf#27a6b9f6aa0c576bc481947dd5e4f3beff0fe327"
+dependencies = [
+ "ark-ff",
+ "ark-serialize",
+ "ark-std",
+ "digest 0.10.7",
+ "rand_core",
+ "sha3",
+]
+
+[[package]]
+name = "ark-transcript"
+version = "0.0.2"
+source = "git+https://github.com/w3f/ring-vrf#0fef8266d851932ad25d6b41bc4b34d834d1e11d"
 dependencies = [
  "ark-ff",
  "ark-serialize",
@@ -808,7 +821,7 @@ dependencies = [
 [[package]]
 name = "bandersnatch_vrfs"
 version = "0.0.4"
-source = "git+https://github.com/duniter/ring-vrf#06b60fdb7308c127448ef5799414c45516f6c42b"
+source = "git+https://github.com/duniter/ring-vrf#27a6b9f6aa0c576bc481947dd5e4f3beff0fe327"
 dependencies = [
  "ark-bls12-381",
  "ark-ec",
@@ -1487,7 +1500,7 @@ dependencies = [
 [[package]]
 name = "common"
 version = "0.1.0"
-source = "git+https://github.com/w3f/ring-proof#b273d33f9981e2bb3375ab45faeb537f7ee35224"
+source = "git+https://github.com/w3f/ring-proof#1472ce9cd87cee49c56ce7869a0aba872d837c51"
 dependencies = [
  "ark-ec",
  "ark-ff",
@@ -1496,8 +1509,7 @@ dependencies = [
  "ark-std",
  "fflonk",
  "getrandom_or_panic",
- "merlin",
- "rand_chacha",
+ "rand_core",
 ]
 
 [[package]]
@@ -2401,7 +2413,7 @@ dependencies = [
 [[package]]
 name = "dleq_vrf"
 version = "0.0.2"
-source = "git+https://github.com/duniter/ring-vrf#06b60fdb7308c127448ef5799414c45516f6c42b"
+source = "git+https://github.com/duniter/ring-vrf#27a6b9f6aa0c576bc481947dd5e4f3beff0fe327"
 dependencies = [
  "ark-ec",
  "ark-ff",
@@ -2409,7 +2421,7 @@ dependencies = [
  "ark-secret-scalar",
  "ark-serialize",
  "ark-std",
- "ark-transcript",
+ "ark-transcript 0.0.2 (git+https://github.com/duniter/ring-vrf)",
  "arrayvec 0.7.4",
  "zeroize",
 ]
@@ -2516,11 +2528,13 @@ dependencies = [
  "sc-consensus-babe",
  "sc-consensus-babe-rpc",
  "sc-consensus-grandpa",
+ "sc-consensus-grandpa-rpc",
  "sc-consensus-manual-seal",
  "sc-executor",
  "sc-keystore",
  "sc-network",
  "sc-offchain",
+ "sc-rpc",
  "sc-rpc-api",
  "sc-service",
  "sc-telemetry",
@@ -4334,14 +4348,14 @@ checksum = "08afdbb5c31130e3034af566421053ab03787c640246a446327f550d11bcb333"
 dependencies = [
  "futures-util",
  "http 1.1.0",
- "hyper 1.4.0",
+ "hyper 1.3.1",
  "hyper-util",
  "rustls 0.23.10",
  "rustls-pki-types",
  "tokio",
  "tokio-rustls 0.26.0",
  "tower-service",
- "webpki-roots 0.26.3",
+ "webpki-roots 0.26.5",
 ]
 
 [[package]]
@@ -8175,7 +8189,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8c7c5fdde3cdae7203427dc4f0a68fe0ed09833edc525a03456b153b79828684"
 dependencies = [
  "bytes",
- "pin-project-lite 0.2.14",
+ "pin-project-lite",
  "quinn-proto 0.11.8",
  "quinn-udp 0.5.4",
  "rustc-hash 2.0.0",
@@ -8550,7 +8564,7 @@ dependencies = [
  "http 1.1.0",
  "http-body 1.0.0",
  "http-body-util",
- "hyper 1.4.0",
+ "hyper 1.3.1",
  "hyper-rustls 0.27.3",
  "hyper-util",
  "ipnet",
@@ -8559,7 +8573,7 @@ dependencies = [
  "mime",
  "once_cell",
  "percent-encoding",
- "pin-project-lite 0.2.14",
+ "pin-project-lite",
  "quinn 0.11.5",
  "rustls 0.23.10",
  "rustls-pemfile 2.1.2",
@@ -8575,7 +8589,7 @@ dependencies = [
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "web-sys",
- "webpki-roots 0.26.3",
+ "webpki-roots 0.26.5",
  "winreg 0.52.0",
 ]
 
@@ -8602,17 +8616,18 @@ dependencies = [
 [[package]]
 name = "ring"
 version = "0.1.0"
-source = "git+https://github.com/w3f/ring-proof#b273d33f9981e2bb3375ab45faeb537f7ee35224"
+source = "git+https://github.com/w3f/ring-proof#1472ce9cd87cee49c56ce7869a0aba872d837c51"
 dependencies = [
  "ark-ec",
  "ark-ff",
  "ark-poly",
  "ark-serialize",
  "ark-std",
+ "ark-transcript 0.0.2 (git+https://github.com/w3f/ring-vrf)",
+ "arrayvec 0.7.4",
  "blake2 0.10.6",
  "common",
  "fflonk",
- "merlin",
 ]
 
 [[package]]
@@ -9316,6 +9331,26 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "sc-consensus-grandpa-rpc"
+version = "0.19.0"
+source = "git+https://github.com/duniter/duniter-polkadot-sdk?branch=duniter-substrate-v1.14.0#bcc60f3e4170c3908689252242f40761270c9a51"
+dependencies = [
+ "finality-grandpa",
+ "futures 0.3.30",
+ "jsonrpsee 0.23.2",
+ "log",
+ "parity-scale-codec",
+ "sc-client-api",
+ "sc-consensus-grandpa",
+ "sc-rpc",
+ "serde",
+ "sp-blockchain",
+ "sp-core",
+ "sp-runtime",
+ "thiserror",
+]
+
 [[package]]
 name = "sc-consensus-manual-seal"
 version = "0.35.0"

Cargo.toml

@@ -169,6 +169,8 @@ sp-block-builder = { git = 'https://github.com/duniter/duniter-polkadot-sdk', br
 sc-client-db = { git = 'https://github.com/duniter/duniter-polkadot-sdk', branch = 'duniter-substrate-v1.14.0', default-features = false }
 sc-client-api = { git = 'https://github.com/duniter/duniter-polkadot-sdk', branch = 'duniter-substrate-v1.14.0', default-features = false }
 sc-consensus-grandpa = { git = 'https://github.com/duniter/duniter-polkadot-sdk', branch = 'duniter-substrate-v1.14.0', default-features = false }
+sc-rpc = { git = 'https://github.com/duniter/duniter-polkadot-sdk', branch = 'duniter-substrate-v1.14.0', default-features = false }
+sc-consensus-grandpa-rpc = { git = 'https://github.com/duniter/duniter-polkadot-sdk', branch = 'duniter-substrate-v1.14.0', default-features = false }
 sc-consensus-babe = { git = 'https://github.com/duniter/duniter-polkadot-sdk', branch = 'duniter-substrate-v1.14.0', default-features = false }
 sc-consensus-babe-rpc = { git = 'https://github.com/duniter/duniter-polkadot-sdk', branch = 'duniter-substrate-v1.14.0', default-features = false }
 sp-blockchain = { git = 'https://github.com/duniter/duniter-polkadot-sdk', branch = 'duniter-substrate-v1.14.0', default-features = false }

node/Cargo.toml

@@ -139,9 +139,11 @@ sc-chain-spec = { workspace = true, default-features = true }
 sc-client-api = { workspace = true, default-features = true }
 sc-client-db = { workspace = true, default-features = true }
 sc-consensus = { workspace = true, default-features = true }
+sc-rpc = { workspace = true, default-features = true }
 sc-consensus-babe = { workspace = true, default-features = true }
 sc-consensus-babe-rpc = { workspace = true, default-features = true }
 sc-consensus-grandpa = { workspace = true, default-features = true }
+sc-consensus-grandpa-rpc = { workspace = true, default-features = true }
 sc-consensus-manual-seal = { workspace = true, default-features = true }
 sc-executor = { workspace = true, default-features = true }
 sc-keystore = { workspace = true, default-features = true }

node/src/rpc.rs

@@ -23,9 +23,13 @@
 
 pub use sc_rpc_api::DenyUnsafe;
 
-use common_runtime::{AccountId, Balance, Block, Index};
+use common_runtime::{AccountId, Balance, Block, BlockNumber, Hash, Index};
 use jsonrpsee::RpcModule;
 use sc_consensus_babe::{BabeApi, BabeWorkerHandle};
+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;
@@ -43,8 +47,23 @@ pub struct BabeDeps {
     pub keystore: KeystorePtr,
 }
 
+/// Dependencies for GRANDPA
+#[derive(Clone)]
+pub struct GrandpaDeps<B> {
+    /// Voting round info.
+    pub shared_voter_state: SharedVoterState,
+    /// Authority set info.
+    pub shared_authority_set: SharedAuthoritySet<Hash, BlockNumber>,
+    /// Receives notifications about justification events from Grandpa.
+    pub justification_stream: GrandpaJustificationStream<Block>,
+    /// Executor to drive the subscription manager in the Grandpa RPC handler.
+    pub subscription_executor: SubscriptionTaskExecutor,
+    /// Finality proof provider.
+    pub finality_provider: Arc<FinalityProofProvider<B, Block>>,
+}
+
 /// Full client dependencies.
-pub struct FullDeps<C, P, SC> {
+pub struct FullDeps<C, P, SC, B> {
     /// The client instance to use.
     pub client: Arc<C>,
     /// Transaction pool instance.
@@ -59,11 +78,13 @@ pub struct FullDeps<C, P, SC> {
     >,
     /// BABE specific dependencies.
     pub babe: Option<BabeDeps>,
+    /// GRANDPA specific dependencies.
+    pub grandpa: GrandpaDeps<B>,
 }
 
 /// Instantiate all full RPC extensions.
-pub fn create_full<C, P, SC>(
-    deps: FullDeps<C, P, SC>,
+pub fn create_full<C, P, SC, B>(
+    deps: FullDeps<C, P, SC, B>,
 ) -> Result<RpcModule<()>, Box<dyn std::error::Error + Send + Sync>>
 where
     C: ProvideRuntimeApi<Block>,
@@ -75,9 +96,11 @@ where
     C::Api: BlockBuilder<Block>,
     P: TransactionPool + 'static,
     SC: SelectChain<Block> + 'static,
+    B: sc_client_api::Backend<Block> + 'static,
 {
     use pallet_transaction_payment_rpc::{TransactionPayment, TransactionPaymentApiServer};
     use sc_consensus_babe_rpc::{Babe, BabeApiServer};
+    use sc_consensus_grandpa_rpc::{Grandpa, GrandpaApiServer};
     use sc_consensus_manual_seal::rpc::{ManualSeal, ManualSealApiServer};
     use substrate_frame_rpc_system::{System, SystemApiServer};
 
@@ -89,6 +112,7 @@ where
         deny_unsafe,
         command_sink_opt,
         babe,
+        grandpa,
     } = deps;
 
     if let Some(babe) = babe {
@@ -107,6 +131,25 @@ where
             .into_rpc(),
         )?;
     }
+
+    let GrandpaDeps {
+        shared_voter_state,
+        shared_authority_set,
+        justification_stream,
+        subscription_executor,
+        finality_provider,
+    } = grandpa;
+    module.merge(
+        Grandpa::new(
+            subscription_executor,
+            shared_authority_set,
+            shared_voter_state,
+            justification_stream,
+            finality_provider,
+        )
+        .into_rpc(),
+    )?;
+
     module.merge(System::new(client.clone(), pool, deny_unsafe).into_rpc())?;
     module.merge(TransactionPayment::new(client).into_rpc())?;
     if let Some(command_sink) = command_sink_opt {

node/src/service.rs

@@ -23,8 +23,9 @@ use async_io::Timer;
 use common_runtime::Block;
 use futures::{Stream, StreamExt};
 use sc_client_api::{client::BlockBackend, Backend};
-use sc_consensus_grandpa::SharedVoterState;
+use sc_consensus_grandpa::{FinalityProofProvider, SharedVoterState};
 use sc_consensus_manual_seal::{run_manual_seal, EngineCommand, ManualSealParams};
+use sc_rpc::SubscriptionTaskExecutor;
 use sc_service::{
     error::Error as ServiceError, Configuration, PartialComponents, TaskManager, WarpSyncParams,
 };
@@ -572,6 +573,12 @@ where
         }
     }
 
+    let justification_stream = grandpa_link.justification_stream();
+    let shared_authority_set = grandpa_link.shared_authority_set().clone();
+    let shared_voter_state = SharedVoterState::empty();
+    let finality_proof_provider =
+        FinalityProofProvider::new_for_service(backend.clone(), Some(shared_authority_set.clone()));
+
     let rpc_extensions_builder = {
         let client = client.clone();
         let pool = transaction_pool.clone();
@@ -581,19 +588,31 @@ where
             babe_worker_handle,
             keystore: keystore.clone(),
         });
+        let rpc_setup = shared_voter_state.clone();
+
+        Box::new(
+            move |deny_unsafe, subscription_task_executor: SubscriptionTaskExecutor| {
+                let grandpa_deps = crate::rpc::GrandpaDeps {
+                    shared_voter_state: rpc_setup.clone(),
+                    shared_authority_set: shared_authority_set.clone(),
+                    justification_stream: justification_stream.clone(),
+                    subscription_executor: subscription_task_executor.clone(),
+                    finality_provider: finality_proof_provider.clone(),
+                };
 
-        Box::new(move |deny_unsafe, _| {
                 let deps = crate::rpc::FullDeps {
                     client: client.clone(),
                     pool: pool.clone(),
                     select_chain: select_chain.clone(),
                     deny_unsafe,
                     babe: babe_deps.clone(),
+                    grandpa: grandpa_deps,
                     command_sink_opt: command_sink_opt.clone(),
                 };
 
                 crate::rpc::create_full(deps).map_err(Into::into)
-        })
+            },
+        )
     };
 
     let _rpc_handlers = sc_service::spawn_tasks(sc_service::SpawnTasksParams {
@@ -644,7 +663,7 @@ where
             network,
             voting_rule: sc_consensus_grandpa::VotingRulesBuilder::default().build(),
             prometheus_registry,
-            shared_voter_state: SharedVoterState::empty(),
+            shared_voter_state,
             telemetry: telemetry.as_ref().map(|x| x.handle()),
             notification_service: grandpa_notification_service,
             offchain_tx_pool_factory: sc_transaction_pool_api::OffchainTransactionPoolFactory::new(