mirror of https://github.com/ethereum/go-ethereum
ethdb, rpc: support building on js/wasm (#17709)
The changes allow building WebAssembly applications which use ethclient.Client.pull/16755/merge
parent
16e4d0e005
commit
6a7695e367
@ -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 |
||||
} |
@ -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{} |
@ -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.
|
||||
} |
@ -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() |
||||
} |
@ -0,0 +1,37 @@ |
||||
// Copyright 2015 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 rpc |
||||
|
||||
import ( |
||||
"context" |
||||
"errors" |
||||
"net" |
||||
) |
||||
|
||||
var errNotSupported = errors.New("rpc: not supported") |
||||
|
||||
// ipcListen will create a named pipe on the given endpoint.
|
||||
func ipcListen(endpoint string) (net.Listener, error) { |
||||
return nil, errNotSupported |
||||
} |
||||
|
||||
// newIPCConnection will connect to a named pipe with the given endpoint as name.
|
||||
func newIPCConnection(ctx context.Context, endpoint string) (net.Conn, error) { |
||||
return nil, errNotSupported |
||||
} |
Loading…
Reference in new issue