Move wasm-only code into wasm build flags

Author: PlasmaPower

core/rawdb/accessors_snapshot.go

@@ -18,14 +18,10 @@ package rawdb
 
 import (
 	"encoding/binary"
-	"errors"
 
-	"github.com/cockroachdb/pebble"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/ethdb"
-	"github.com/ethereum/go-ethereum/ethdb/memorydb"
 	"github.com/ethereum/go-ethereum/log"
-	"github.com/syndtr/goleveldb/leveldb"
 )
 
 // ReadSnapshotDisabled retrieves if the snapshot maintenance is disabled.
@@ -76,17 +72,6 @@ func DeleteSnapshotRoot(db ethdb.KeyValueWriter) {
 	}
 }
 
-func isDbErrNotFound(err error) bool {
-	return errors.Is(err, leveldb.ErrNotFound) || errors.Is(err, pebble.ErrNotFound) || errors.Is(err, memorydb.ErrMemorydbNotFound)
-}
-
-func ignoreNotFound(blob []byte, err error) ([]byte, error) {
-	if isDbErrNotFound(err) {
-		return nil, nil
-	}
-	return blob, err
-}
-
 // ReadAccountSnapshot retrieves the snapshot entry of an account trie leaf.
 func ReadAccountSnapshot(db ethdb.KeyValueReader, hash common.Hash) ([]byte, error) {
 	return ignoreNotFound(db.Get(accountSnapshotKey(hash)))

core/rawdb/arbitrum_not_found.go

@@ -0,0 +1,26 @@
+// Copyright 2024 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package rawdb
+
+// Arbitrum specific code to handle database errors
+
+func ignoreNotFound(blob []byte, err error) ([]byte, error) {
+	if isDbErrNotFound(err) {
+		return nil, nil
+	}
+	return blob, err
+}

core/rawdb/arbitrum_not_found_native.go

@@ -0,0 +1,32 @@
+// Copyright 2024 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+//go:build !wasm
+// +build !wasm
+
+package rawdb
+
+import (
+	"errors"
+
+	"github.com/cockroachdb/pebble"
+	"github.com/ethereum/go-ethereum/ethdb/memorydb"
+	"github.com/syndtr/goleveldb/leveldb"
+)
+
+func isDbErrNotFound(err error) bool {
+	return errors.Is(err, leveldb.ErrNotFound) || errors.Is(err, pebble.ErrNotFound) || errors.Is(err, memorydb.ErrMemorydbNotFound)
+}

core/rawdb/arbitrum_not_found_wasm.go

@@ -0,0 +1,30 @@
+// Copyright 2024 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+//go:build wasm
+// +build wasm
+
+package rawdb
+
+import (
+	"errors"
+
+	"github.com/ethereum/go-ethereum/ethdb/memorydb"
+)
+
+func isDbErrNotFound(err error) bool {
+	return errors.Is(err, memorydb.ErrMemorydbNotFound)
+}