all: remove duplicate word in comments (ethereum#29531)

This change removes some duplicate words in in comments

Author: Abirdcfly

cmd/utils/flags.go

@@ -661,7 +661,7 @@ var (
 	}
 	HTTPPathPrefixFlag = &cli.StringFlag{
 		Name:     "http.rpcprefix",
-		Usage:    "HTTP path path prefix on which JSON-RPC is served. Use '/' to serve on all paths.",
+		Usage:    "HTTP path prefix on which JSON-RPC is served. Use '/' to serve on all paths.",
 		Value:    "",
 		Category: flags.APICategory,
 	}

core/state/statedb_test.go

@@ -1178,7 +1178,7 @@ func TestDeleteStorage(t *testing.T) {
 				t.Fatal("delete should have empty hashes")
 			}
 			if len(n.Blob) != 0 {
-				t.Fatal("delete should have have empty blobs")
+				t.Fatal("delete should have empty blobs")
 			}
 			a = append(a, fmt.Sprintf("%x", path))
 		})

core/vm/contracts.go

@@ -1008,7 +1008,7 @@ func (c *bls12381MapG1) RequiredGas(input []byte) uint64 {
 
 func (c *bls12381MapG1) Run(input []byte) ([]byte, error) {
 	// Implements EIP-2537 Map_To_G1 precompile.
-	// > Field-to-curve call expects `64` bytes an an input that is interpreted as a an element of the base field.
+	// > Field-to-curve call expects an `64` bytes input that is interpreted as an element of the base field.
 	// > Output of this call is `128` bytes and is G1 point following respective encoding rules.
 	if len(input) != 64 {
 		return nil, errBLS12381InvalidInputLength
@@ -1043,7 +1043,7 @@ func (c *bls12381MapG2) RequiredGas(input []byte) uint64 {
 
 func (c *bls12381MapG2) Run(input []byte) ([]byte, error) {
 	// Implements EIP-2537 Map_FP2_TO_G2 precompile logic.
-	// > Field-to-curve call expects `128` bytes an an input that is interpreted as a an element of the quadratic extension field.
+	// > Field-to-curve call expects an `128` bytes input that is interpreted as an element of the quadratic extension field.
 	// > Output of this call is `256` bytes and is G2 point following respective encoding rules.
 	if len(input) != 128 {
 		return nil, errBLS12381InvalidInputLength

crypto/signature_test.go

@@ -71,7 +71,7 @@ func TestVerifySignature(t *testing.T) {
 	wrongkey := common.CopyBytes(testpubkey)
 	wrongkey[10]++
 	if VerifySignature(wrongkey, testmsg, sig) {
-		t.Errorf("signature valid with with wrong public key")
+		t.Errorf("signature valid with wrong public key")
 	}
 }
 

eth/ethconfig/config.go

@@ -83,7 +83,7 @@ type Config struct {
 	SyncMode  downloader.SyncMode
 
 	// This can be set to list of enrtree:// URLs which will be queried for
-	// for nodes to connect to.
+	// nodes to connect to.
 	EthDiscoveryURLs  []string
 	SnapDiscoveryURLs []string
 

p2p/simulations/events.go

@@ -30,7 +30,7 @@ const (
 	EventTypeNode EventType = "node"
 
 	// EventTypeConn is the type of event emitted when a connection is
-	// is either established or dropped between two nodes
+	// either established or dropped between two nodes
 	EventTypeConn EventType = "conn"
 
 	// EventTypeMsg is the type of event emitted when a p2p message it

triedb/pathdb/errors.go

@@ -28,7 +28,7 @@ var (
 	errDatabaseWaitSync = errors.New("waiting for sync")
 
 	// errSnapshotStale is returned from data accessors if the underlying layer
-	// layer had been invalidated due to the chain progressing forward far enough
+	// had been invalidated due to the chain progressing forward far enough
 	// to not maintain the layer's original state.
 	errSnapshotStale = errors.New("layer stale")