diff options
Diffstat (limited to 'ethdb')
| -rw-r--r-- | ethdb/database.go | 70 | ||||
| -rw-r--r-- | ethdb/database_js.go | 68 | ||||
| -rw-r--r-- | ethdb/database_js_test.go | 25 | ||||
| -rw-r--r-- | ethdb/database_test.go | 2 | ||||
| -rw-r--r-- | ethdb/table.go | 51 | ||||
| -rw-r--r-- | ethdb/table_batch.go | 51 |
6 files changed, 199 insertions, 68 deletions
diff --git a/ethdb/database.go b/ethdb/database.go index 99abd09b9..6c62d6a38 100644 --- a/ethdb/database.go +++ b/ethdb/database.go @@ -14,6 +14,8 @@ // 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/>. +// +build !js + package ethdb import ( @@ -380,71 +382,3 @@ func (b *ldbBatch) Reset() { b.b.Reset() b.size = 0 } - -type table struct { - db Database - prefix string -} - -// NewTable returns a Database object that prefixes all keys with a given -// string. -func NewTable(db Database, prefix string) Database { - return &table{ - db: db, - prefix: prefix, - } -} - -func (dt *table) Put(key []byte, value []byte) error { - return dt.db.Put(append([]byte(dt.prefix), key...), value) -} - -func (dt *table) Has(key []byte) (bool, error) { - return dt.db.Has(append([]byte(dt.prefix), key...)) -} - -func (dt *table) Get(key []byte) ([]byte, error) { - return dt.db.Get(append([]byte(dt.prefix), key...)) -} - -func (dt *table) Delete(key []byte) error { - return dt.db.Delete(append([]byte(dt.prefix), key...)) -} - -func (dt *table) Close() { - // Do nothing; don't close the underlying DB. -} - -type tableBatch struct { - batch Batch - prefix string -} - -// NewTableBatch returns a Batch object which prefixes all keys with a given string. -func NewTableBatch(db Database, prefix string) Batch { - return &tableBatch{db.NewBatch(), prefix} -} - -func (dt *table) NewBatch() Batch { - return &tableBatch{dt.db.NewBatch(), dt.prefix} -} - -func (tb *tableBatch) Put(key, value []byte) error { - return tb.batch.Put(append([]byte(tb.prefix), key...), value) -} - -func (tb *tableBatch) Delete(key []byte) error { - return tb.batch.Delete(append([]byte(tb.prefix), key...)) -} - -func (tb *tableBatch) Write() error { - return tb.batch.Write() -} - -func (tb *tableBatch) ValueSize() int { - return tb.batch.ValueSize() -} - -func (tb *tableBatch) Reset() { - tb.batch.Reset() -} diff --git a/ethdb/database_js.go b/ethdb/database_js.go new file mode 100644 index 000000000..ba6eeb5a2 --- /dev/null +++ b/ethdb/database_js.go @@ -0,0 +1,68 @@ +// Copyright 2014 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/>. + +// +build js + +package ethdb + +import ( + "errors" +) + +var errNotSupported = errors.New("ethdb: not supported") + +type LDBDatabase struct { +} + +// NewLDBDatabase returns a LevelDB wrapped object. +func NewLDBDatabase(file string, cache int, handles int) (*LDBDatabase, error) { + return nil, errNotSupported +} + +// Path returns the path to the database directory. +func (db *LDBDatabase) Path() string { + return "" +} + +// Put puts the given key / value to the queue +func (db *LDBDatabase) Put(key []byte, value []byte) error { + return errNotSupported +} + +func (db *LDBDatabase) Has(key []byte) (bool, error) { + return false, errNotSupported +} + +// Get returns the given key if it's present. +func (db *LDBDatabase) Get(key []byte) ([]byte, error) { + return nil, errNotSupported +} + +// Delete deletes the key from the queue and database +func (db *LDBDatabase) Delete(key []byte) error { + return errNotSupported +} + +func (db *LDBDatabase) Close() { +} + +// Meter configures the database metrics collectors and +func (db *LDBDatabase) Meter(prefix string) { +} + +func (db *LDBDatabase) NewBatch() Batch { + return nil +} diff --git a/ethdb/database_js_test.go b/ethdb/database_js_test.go new file mode 100644 index 000000000..b4c12ae0b --- /dev/null +++ b/ethdb/database_js_test.go @@ -0,0 +1,25 @@ +// Copyright 2014 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/>. + +// +build js + +package ethdb_test + +import ( + "github.com/ethereum/go-ethereum/ethdb" +) + +var _ ethdb.Database = ðdb.LDBDatabase{} diff --git a/ethdb/database_test.go b/ethdb/database_test.go index 74675cbe6..382fedbf9 100644 --- a/ethdb/database_test.go +++ b/ethdb/database_test.go @@ -14,6 +14,8 @@ // 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/>. +// +build !js + package ethdb_test import ( diff --git a/ethdb/table.go b/ethdb/table.go new file mode 100644 index 000000000..28069c078 --- /dev/null +++ b/ethdb/table.go @@ -0,0 +1,51 @@ +// Copyright 2014 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 ethdb + +type table struct { + db Database + prefix string +} + +// NewTable returns a Database object that prefixes all keys with a given +// string. +func NewTable(db Database, prefix string) Database { + return &table{ + db: db, + prefix: prefix, + } +} + +func (dt *table) Put(key []byte, value []byte) error { + return dt.db.Put(append([]byte(dt.prefix), key...), value) +} + +func (dt *table) Has(key []byte) (bool, error) { + return dt.db.Has(append([]byte(dt.prefix), key...)) +} + +func (dt *table) Get(key []byte) ([]byte, error) { + return dt.db.Get(append([]byte(dt.prefix), key...)) +} + +func (dt *table) Delete(key []byte) error { + return dt.db.Delete(append([]byte(dt.prefix), key...)) +} + +func (dt *table) Close() { + // Do nothing; don't close the underlying DB. +} diff --git a/ethdb/table_batch.go b/ethdb/table_batch.go new file mode 100644 index 000000000..ae83e79ce --- /dev/null +++ b/ethdb/table_batch.go @@ -0,0 +1,51 @@ +// Copyright 2014 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 ethdb + +type tableBatch struct { + batch Batch + prefix string +} + +// NewTableBatch returns a Batch object which prefixes all keys with a given string. +func NewTableBatch(db Database, prefix string) Batch { + return &tableBatch{db.NewBatch(), prefix} +} + +func (dt *table) NewBatch() Batch { + return &tableBatch{dt.db.NewBatch(), dt.prefix} +} + +func (tb *tableBatch) Put(key, value []byte) error { + return tb.batch.Put(append([]byte(tb.prefix), key...), value) +} + +func (tb *tableBatch) Delete(key []byte) error { + return tb.batch.Delete(append([]byte(tb.prefix), key...)) +} + +func (tb *tableBatch) Write() error { + return tb.batch.Write() +} + +func (tb *tableBatch) ValueSize() int { + return tb.batch.ValueSize() +} + +func (tb *tableBatch) Reset() { + tb.batch.Reset() +} |