From 79ff0c17e14daf4f38716700c4c994db4db16e70 Mon Sep 17 00:00:00 2001
From: marcello33 <marcelloardizzone@hotmail.it>
Date: Wed, 14 Jun 2023 17:21:52 +0200
Subject: [PATCH] dev: fix: error related lint issues

---
 accounts/abi/bind/backends/simulated.go | 1 +
 beacon/engine/errors.go                 | 1 +
 core/genesis.go                         | 1 +
 core/state/snapshot/generate.go         | 1 +
 eth/ethconfig/config.go                 | 1 +
 eth/tracers/api_test.go                 | 1 +
 p2p/peer_error.go                       | 1 +
 7 files changed, 7 insertions(+)

diff --git a/accounts/abi/bind/backends/simulated.go b/accounts/abi/bind/backends/simulated.go
index e2919577af..60d21f31fd 100644
--- a/accounts/abi/bind/backends/simulated.go
+++ b/accounts/abi/bind/backends/simulated.go
@@ -846,6 +846,7 @@ func (fb *filterBackend) ChainDb() ethdb.Database { return fb.db }
 func (fb *filterBackend) EventMux() *event.TypeMux { panic("not supported") }
 
 func (fb *filterBackend) HeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*types.Header, error) {
+	// nolint : exhaustive
 	switch number {
 	case rpc.PendingBlockNumber:
 		if block := fb.backend.pendingBlock; block != nil {
diff --git a/beacon/engine/errors.go b/beacon/engine/errors.go
index 769001b9e3..49a1e099a8 100644
--- a/beacon/engine/errors.go
+++ b/beacon/engine/errors.go
@@ -54,6 +54,7 @@ var (
 	_ rpc.DataError = new(EngineAPIError)
 )
 
+// nolint : errname
 var (
 	// VALID is returned by the engine API in the following calls:
 	//   - newPayloadV1:       if the payload was already known or was just validated and executed
diff --git a/core/genesis.go b/core/genesis.go
index 91962c92a5..4ef8030d68 100644
--- a/core/genesis.go
+++ b/core/genesis.go
@@ -378,6 +378,7 @@ func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *trie.Database, gen
 		return newcfg, stored, compatErr
 	}
 	// Don't overwrite if the old is identical to the new
+	// nolint : errchkjson
 	if newData, _ := json.Marshal(newcfg); !bytes.Equal(storedData, newData) {
 		rawdb.WriteChainConfig(db, stored, newcfg)
 	}
diff --git a/core/state/snapshot/generate.go b/core/state/snapshot/generate.go
index a3fb7a8c27..b4730baf71 100644
--- a/core/state/snapshot/generate.go
+++ b/core/state/snapshot/generate.go
@@ -734,6 +734,7 @@ func increaseKey(key []byte) []byte {
 
 // abortErr wraps an interruption signal received to represent the
 // generation is aborted by external processes.
+// nolint : errname
 type abortErr struct {
 	abort chan *generatorStats
 }
diff --git a/eth/ethconfig/config.go b/eth/ethconfig/config.go
index e9b37251cf..e144f323b6 100644
--- a/eth/ethconfig/config.go
+++ b/eth/ethconfig/config.go
@@ -280,6 +280,7 @@ func CreateConsensusEngine(stack *node.Node, chainConfig *params.ChainConfig, et
 			return bor.New(chainConfig, db, blockchainAPI, spanner, heimdallClient, genesisContractsClient, false)
 		}
 	} else {
+		// nolint : exhaustive
 		switch ethashConfig.PowMode {
 		case ethash.ModeFake:
 			log.Warn("Ethash used in fake mode")
diff --git a/eth/tracers/api_test.go b/eth/tracers/api_test.go
index 441b26f052..e0891e803a 100644
--- a/eth/tracers/api_test.go
+++ b/eth/tracers/api_test.go
@@ -970,6 +970,7 @@ func TestTraceChain(t *testing.T) {
 				t.Error("Unexpected tracing result")
 			}
 			for _, trace := range result.Traces {
+				// nolint : errchkjson
 				blob, _ := json.Marshal(trace)
 				if string(blob) != single {
 					t.Error("Unexpected tracing result")
diff --git a/p2p/peer_error.go b/p2p/peer_error.go
index ebc59de251..ecc8094185 100644
--- a/p2p/peer_error.go
+++ b/p2p/peer_error.go
@@ -69,6 +69,7 @@ const (
 	DiscUnexpectedIdentity
 	DiscSelf
 	DiscReadTimeout
+	// nolint : errname
 	DiscSubprotocolError = DiscReason(0x10)
 )