diff options
Diffstat (limited to 'rpc/api/db.go')
-rw-r--r-- | rpc/api/db.go | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/rpc/api/db.go b/rpc/api/db.go deleted file mode 100644 index 0eddc410e..000000000 --- a/rpc/api/db.go +++ /dev/null @@ -1,144 +0,0 @@ -// 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/>. - -package api - -import ( - "github.com/ethereum/go-ethereum/eth" - "github.com/ethereum/go-ethereum/rpc/codec" - "github.com/ethereum/go-ethereum/rpc/shared" - "github.com/ethereum/go-ethereum/xeth" -) - -const ( - DbApiversion = "1.0" -) - -var ( - // mapping between methods and handlers - DbMapping = map[string]dbhandler{ - "db_getString": (*dbApi).GetString, - "db_putString": (*dbApi).PutString, - "db_getHex": (*dbApi).GetHex, - "db_putHex": (*dbApi).PutHex, - } -) - -// db callback handler -type dbhandler func(*dbApi, *shared.Request) (interface{}, error) - -// db api provider -type dbApi struct { - xeth *xeth.XEth - ethereum *eth.Ethereum - methods map[string]dbhandler - codec codec.ApiCoder -} - -// create a new db api instance -func NewDbApi(xeth *xeth.XEth, ethereum *eth.Ethereum, coder codec.Codec) *dbApi { - return &dbApi{ - xeth: xeth, - ethereum: ethereum, - methods: DbMapping, - codec: coder.New(nil), - } -} - -// collection with supported methods -func (self *dbApi) Methods() []string { - methods := make([]string, len(self.methods)) - i := 0 - for k := range self.methods { - methods[i] = k - i++ - } - return methods -} - -// Execute given request -func (self *dbApi) Execute(req *shared.Request) (interface{}, error) { - if callback, ok := self.methods[req.Method]; ok { - return callback(self, req) - } - - return nil, &shared.NotImplementedError{req.Method} -} - -func (self *dbApi) Name() string { - return shared.DbApiName -} - -func (self *dbApi) ApiVersion() string { - return DbApiversion -} - -func (self *dbApi) GetString(req *shared.Request) (interface{}, error) { - args := new(DbArgs) - if err := self.codec.Decode(req.Params, &args); err != nil { - return nil, shared.NewDecodeParamError(err.Error()) - } - - if err := args.requirements(); err != nil { - return nil, err - } - - ret, err := self.xeth.DbGet([]byte(args.Database + args.Key)) - return string(ret), err -} - -func (self *dbApi) PutString(req *shared.Request) (interface{}, error) { - args := new(DbArgs) - if err := self.codec.Decode(req.Params, &args); err != nil { - return nil, shared.NewDecodeParamError(err.Error()) - } - - if err := args.requirements(); err != nil { - return nil, err - } - - return self.xeth.DbPut([]byte(args.Database+args.Key), args.Value), nil -} - -func (self *dbApi) GetHex(req *shared.Request) (interface{}, error) { - args := new(DbHexArgs) - if err := self.codec.Decode(req.Params, &args); err != nil { - return nil, shared.NewDecodeParamError(err.Error()) - } - - if err := args.requirements(); err != nil { - return nil, err - } - - if res, err := self.xeth.DbGet([]byte(args.Database + args.Key)); err == nil { - return newHexData(res), nil - } else { - return nil, err - } -} - -func (self *dbApi) PutHex(req *shared.Request) (interface{}, error) { - args := new(DbHexArgs) - if err := self.codec.Decode(req.Params, &args); err != nil { - return nil, shared.NewDecodeParamError(err.Error()) - } - - if err := args.requirements(); err != nil { - return nil, err - } - - return self.xeth.DbPut([]byte(args.Database+args.Key), args.Value), nil -} |