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author | Dmitrij Koniajev <dimchansky@gmail.com> | 2018-10-16 06:47:25 +0800 |
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committer | Felix Lange <fjl@users.noreply.github.com> | 2018-10-16 06:47:25 +0800 |
commit | 6a7695e3676ef8275afd5eafde6e045b7a7ab024 (patch) | |
tree | dc780ccb960c9ef7c82c3a50af353e224d869633 /ethdb/database_js.go | |
parent | 16e4d0e0055f7fce620ff6881a1393d955c06cee (diff) | |
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ethdb, rpc: support building on js/wasm (#17709)
The changes allow building WebAssembly applications which use ethclient.Client.
Diffstat (limited to 'ethdb/database_js.go')
-rw-r--r-- | ethdb/database_js.go | 68 |
1 files changed, 68 insertions, 0 deletions
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 +} |