diff options
Diffstat (limited to 'javascript/types.go')
-rw-r--r-- | javascript/types.go | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/javascript/types.go b/javascript/types.go new file mode 100644 index 000000000..f9d18b26a --- /dev/null +++ b/javascript/types.go @@ -0,0 +1,170 @@ +package javascript + +import ( + "fmt" + + "github.com/ethereum/eth-go" + "github.com/ethereum/eth-go/ethchain" + "github.com/ethereum/eth-go/ethpub" + "github.com/ethereum/eth-go/ethstate" + "github.com/ethereum/eth-go/ethutil" + "github.com/obscuren/otto" +) + +type JSStateObject struct { + *ethpub.PStateObject + eth *JSEthereum +} + +func (self *JSStateObject) EachStorage(call otto.FunctionCall) otto.Value { + cb := call.Argument(0) + self.PStateObject.EachStorage(func(key string, value *ethutil.Value) { + value.Decode() + + cb.Call(self.eth.toVal(self), self.eth.toVal(key), self.eth.toVal(ethutil.Bytes2Hex(value.Bytes()))) + }) + + return otto.UndefinedValue() +} + +// The JSEthereum object attempts to wrap the PEthereum object and returns +// meaningful javascript objects +type JSBlock struct { + *ethpub.PBlock + eth *JSEthereum +} + +func (self *JSBlock) GetTransaction(hash string) otto.Value { + return self.eth.toVal(self.PBlock.GetTransaction(hash)) +} + +type JSMessage struct { + To, From string + Input string + Output string + Path int + Origin string + Timestamp int32 + Coinbase string + Block string + Number int32 +} + +func NewJSMessage(message *ethstate.Message) JSMessage { + return JSMessage{ + To: ethutil.Bytes2Hex(message.To), + From: ethutil.Bytes2Hex(message.From), + Input: ethutil.Bytes2Hex(message.Input), + Output: ethutil.Bytes2Hex(message.Output), + Path: message.Path, + Origin: ethutil.Bytes2Hex(message.Origin), + Timestamp: int32(message.Timestamp), + Coinbase: ethutil.Bytes2Hex(message.Origin), + Block: ethutil.Bytes2Hex(message.Block), + Number: int32(message.Number.Int64()), + } +} + +type JSEthereum struct { + *ethpub.PEthereum + vm *otto.Otto + ethereum *eth.Ethereum +} + +func (self *JSEthereum) GetBlock(hash string) otto.Value { + return self.toVal(&JSBlock{self.PEthereum.GetBlock(hash), self}) +} + +func (self *JSEthereum) GetPeers() otto.Value { + return self.toVal(self.PEthereum.GetPeers()) +} + +func (self *JSEthereum) GetKey() otto.Value { + return self.toVal(self.PEthereum.GetKey()) +} + +func (self *JSEthereum) GetStateObject(addr string) otto.Value { + return self.toVal(&JSStateObject{self.PEthereum.GetStateObject(addr), self}) +} + +func (self *JSEthereum) GetStateKeyVals(addr string) otto.Value { + return self.toVal(self.PEthereum.GetStateObject(addr).StateKeyVal(false)) +} + +func (self *JSEthereum) Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr string) otto.Value { + r, err := self.PEthereum.Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr) + if err != nil { + fmt.Println(err) + + return otto.UndefinedValue() + } + + return self.toVal(r) +} + +func (self *JSEthereum) Create(key, valueStr, gasStr, gasPriceStr, scriptStr string) otto.Value { + r, err := self.PEthereum.Create(key, valueStr, gasStr, gasPriceStr, scriptStr) + + 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 +} + +func (self *JSEthereum) Messages(object map[string]interface{}) otto.Value { + filter := ethchain.NewFilter(self.ethereum) + + if object["earliest"] != nil { + earliest := object["earliest"] + if e, ok := earliest.(string); ok { + filter.SetEarliestBlock(ethutil.Hex2Bytes(e)) + } else { + filter.SetEarliestBlock(earliest) + } + } + if object["latest"] != nil { + latest := object["latest"] + if l, ok := latest.(string); ok { + filter.SetLatestBlock(ethutil.Hex2Bytes(l)) + } else { + filter.SetLatestBlock(latest) + } + } + if object["to"] != nil { + filter.SetTo(ethutil.Hex2Bytes(object["to"].(string))) + } + if object["from"] != nil { + filter.SetFrom(ethutil.Hex2Bytes(object["from"].(string))) + } + if object["max"] != nil { + filter.SetMax(object["max"].(int)) + } + if object["skip"] != nil { + filter.SetSkip(object["skip"].(int)) + } + + messages := filter.Find() + var msgs []JSMessage + for _, m := range messages { + msgs = append(msgs, NewJSMessage(m)) + } + + v, _ := self.vm.ToValue(msgs) + + return v +} |