package javascript import ( "fmt" "github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/state" "github.com/ethereum/go-ethereum/xeth" "github.com/obscuren/otto" ) type JSStateObject struct { *xeth.Object eth *JSEthereum } func (self *JSStateObject) EachStorage(call otto.FunctionCall) otto.Value { cb := call.Argument(0) it := self.Object.Trie().Iterator() for it.Next() { cb.Call(self.eth.toVal(self), self.eth.toVal(ethutil.Bytes2Hex(it.Key)), self.eth.toVal(ethutil.Bytes2Hex(it.Value))) } return otto.UndefinedValue() } // The JSEthereum object attempts to wrap the PEthereum object and returns // meaningful javascript objects type JSBlock struct { *xeth.Block eth *JSEthereum } func (self *JSBlock) GetTransaction(hash string) otto.Value { return self.eth.toVal(self.Block.GetTransaction(hash)) } type JSLog struct { Address string `json:address` Topics []string `json:topics` Number int32 `json:number` Data string `json:data` } func NewJSLog(log state.Log) JSLog { return JSLog{ Address: ethutil.Bytes2Hex(log.Address()), Topics: nil, //ethutil.Bytes2Hex(log.Address()), Number: 0, Data: ethutil.Bytes2Hex(log.Data()), } } type JSEthereum struct { *xeth.XEth vm *otto.Otto } func (self *JSEthereum) Block(v interface{}) otto.Value { if number, ok := v.(int64); ok { return self.toVal(&JSBlock{self.XEth.BlockByNumber(number), self}) } else if hash, ok := v.(string); ok { return self.toVal(&JSBlock{self.XEth.BlockByHash(hash), self}) } return otto.UndefinedValue() } func (self *JSEthereum) GetStateObject(addr string) otto.Value { return self.toVal(&JSStateObject{self.XEth.State().SafeGet(addr), self}) } func (self *JSEthereum) Transact(fromStr, recipient, valueStr, gasStr, gasPriceStr, dataStr string) otto.Value { r, err := self.XEth.Transact(fromStr, recipient, valueStr, gasStr, gasPriceStr, dataStr) if err != nil { fmt.Println(err) return otto.UndefinedValue() } return self.toVal(r) } func (self *JSEthereum) toVal(v interface{}) otto.Value { result, err := self.vm.ToValue(v) if err != nil { fmt.Println("Value unknown:", err) return otto.UndefinedValue() } return result }