grandpa: remove deprecated afg log target (#13064)

* grandpa: remove deprecated afg log target

* grandpa: define log targets in primitives

substrate/client/finality-grandpa/src/lib.rs

@@ -76,6 +76,9 @@ use sp_application_crypto::AppKey;
 use sp_blockchain::{Error as ClientError, HeaderBackend, HeaderMetadata, Result as ClientResult};
 use sp_consensus::SelectChain;
 use sp_core::crypto::ByteArray;
+use sp_finality_grandpa::{
+	AuthorityList, AuthoritySignature, SetId, CLIENT_LOG_TARGET as LOG_TARGET,
+};
 use sp_keystore::{SyncCryptoStore, SyncCryptoStorePtr};
 use sp_runtime::{
 	generic::BlockId,
@@ -93,8 +96,6 @@ use std::{
 	time::Duration,
 };
 
-const LOG_TARGET: &str = "grandpa";
-
 // utility logging macro that takes as first argument a conditional to
 // decide whether to log under debug or info level (useful to restrict
 // logging under initial sync).
@@ -142,7 +143,6 @@ pub use voting_rule::{
 use aux_schema::PersistentData;
 use communication::{Network as NetworkT, NetworkBridge};
 use environment::{Environment, VoterSetState};
-use sp_finality_grandpa::{AuthorityList, AuthoritySignature, SetId};
 use until_imported::UntilGlobalMessageBlocksImported;
 
 // Re-export these two because it's just so damn convenient.

substrate/client/tracing/src/logging/mod.rs

@@ -377,7 +377,7 @@ mod tests {
 	fn test_logger_filters() {
 		run_test_in_another_process("test_logger_filters", || {
 			let test_directives =
-				"afg=debug,sync=trace,client=warn,telemetry,something-with-dash=error";
+				"grandpa=debug,sync=trace,client=warn,telemetry,something-with-dash=error";
 			init_logger(&test_directives);
 
 			tracing::dispatcher::get_default(|dispatcher| {
@@ -402,9 +402,9 @@ mod tests {
 					dispatcher.enabled(&metadata)
 				};
 
-				assert!(test_filter("afg", Level::INFO));
-				assert!(test_filter("afg", Level::DEBUG));
-				assert!(!test_filter("afg", Level::TRACE));
+				assert!(test_filter("grandpa", Level::INFO));
+				assert!(test_filter("grandpa", Level::DEBUG));
+				assert!(!test_filter("grandpa", Level::TRACE));
 
 				assert!(test_filter("sync", Level::TRACE));
 				assert!(test_filter("client", Level::WARN));

substrate/frame/grandpa/src/lib.rs

@@ -37,7 +37,7 @@ use codec::{self as codec, Decode, Encode, MaxEncodedLen};
 pub use fg_primitives::{AuthorityId, AuthorityList, AuthorityWeight, VersionedAuthorityList};
 use fg_primitives::{
 	ConsensusLog, EquivocationProof, ScheduledChange, SetId, GRANDPA_AUTHORITIES_KEY,
-	GRANDPA_ENGINE_ID,
+	GRANDPA_ENGINE_ID, RUNTIME_LOG_TARGET as LOG_TARGET,
 };
 use frame_support::{
 	dispatch::{DispatchResultWithPostInfo, Pays},
@@ -70,8 +70,6 @@ pub use equivocation::{
 
 pub use pallet::*;
 
-const LOG_TARGET: &str = "runtime::grandpa";
-
 #[frame_support::pallet]
 pub mod pallet {
 	use super::*;

substrate/primitives/finality-grandpa/Cargo.toml

@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
 grandpa = { package = "finality-grandpa", version = "0.16.0", default-features = false, features = ["derive-codec"] }
-log = { version = "0.4.17", optional = true }
+log = { version = "0.4.17", default-features = false }
 scale-info = { version = "2.1.1", default-features = false, features = ["derive"] }
 serde = { version = "1.0.136", features = ["derive"], optional = true }
 sp-api = { version = "4.0.0-dev", default-features = false, path = "../api" }
@@ -31,7 +31,7 @@ default = ["std"]
 std = [
 	"codec/std",
 	"grandpa/std",
-	"log",
+	"log/std",
 	"scale-info/std",
 	"serde",
 	"sp-api/std",

substrate/primitives/finality-grandpa/src/lib.rs

@@ -35,8 +35,10 @@ use sp_runtime::{
 };
 use sp_std::{borrow::Cow, vec::Vec};
 
-#[cfg(feature = "std")]
-use log::debug;
+/// The log target to be used by client code.
+pub const CLIENT_LOG_TARGET: &str = "grandpa";
+/// The log target to be used by runtime code.
+pub const RUNTIME_LOG_TARGET: &str = "runtime::grandpa";
 
 /// Key type for GRANDPA module.
 pub const KEY_TYPE: sp_core::crypto::KeyTypeId = sp_application_crypto::key_types::GRANDPA;
@@ -428,8 +430,9 @@ where
 	let valid = id.verify(&buf, signature);
 
 	if !valid {
-		#[cfg(feature = "std")]
-		debug!(target: "afg", "Bad signature on message from {:?}", id);
+		let log_target = if cfg!(feature = "std") { CLIENT_LOG_TARGET } else { RUNTIME_LOG_TARGET };
+
+		log::debug!(target: log_target, "Bad signature on message from {:?}", id);
 	}
 
 	valid