143 lines
3.5 KiB
Go
143 lines
3.5 KiB
Go
package javascript
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import (
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"fmt"
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"github.com/ethereum/eth-go"
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"github.com/ethereum/eth-go/ethchain"
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"github.com/ethereum/eth-go/ethpipe"
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"github.com/ethereum/eth-go/ethstate"
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"github.com/ethereum/eth-go/ethutil"
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"github.com/obscuren/otto"
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)
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type JSStateObject struct {
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*ethpipe.JSObject
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eth *JSEthereum
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}
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func (self *JSStateObject) EachStorage(call otto.FunctionCall) otto.Value {
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cb := call.Argument(0)
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self.JSObject.EachStorage(func(key string, value *ethutil.Value) {
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value.Decode()
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cb.Call(self.eth.toVal(self), self.eth.toVal(key), self.eth.toVal(ethutil.Bytes2Hex(value.Bytes())))
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})
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return otto.UndefinedValue()
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}
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// The JSEthereum object attempts to wrap the PEthereum object and returns
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// meaningful javascript objects
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type JSBlock struct {
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*ethpipe.JSBlock
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eth *JSEthereum
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}
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func (self *JSBlock) GetTransaction(hash string) otto.Value {
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return self.eth.toVal(self.JSBlock.GetTransaction(hash))
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}
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type JSMessage struct {
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To string `json:"to"`
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From string `json:"from"`
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Input string `json:"input"`
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Output string `json:"output"`
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Path int `json:"path"`
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Origin string `json:"origin"`
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Timestamp int32 `json:"timestamp"`
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Coinbase string `json:"coinbase"`
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Block string `json:"block"`
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Number int32 `json:"number"`
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}
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func NewJSMessage(message *ethstate.Message) JSMessage {
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return JSMessage{
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To: ethutil.Bytes2Hex(message.To),
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From: ethutil.Bytes2Hex(message.From),
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Input: ethutil.Bytes2Hex(message.Input),
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Output: ethutil.Bytes2Hex(message.Output),
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Path: message.Path,
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Origin: ethutil.Bytes2Hex(message.Origin),
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Timestamp: int32(message.Timestamp),
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Coinbase: ethutil.Bytes2Hex(message.Origin),
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Block: ethutil.Bytes2Hex(message.Block),
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Number: int32(message.Number.Int64()),
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}
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}
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type JSEthereum struct {
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*ethpipe.JSPipe
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vm *otto.Otto
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ethereum *eth.Ethereum
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}
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func (self *JSEthereum) GetBlock(hash string) otto.Value {
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return self.toVal(&JSBlock{self.JSPipe.BlockByHash(hash), self})
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}
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func (self *JSEthereum) GetPeers() otto.Value {
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return self.toVal(self.JSPipe.Peers())
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}
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func (self *JSEthereum) GetKey() otto.Value {
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return self.toVal(self.JSPipe.Key())
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}
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func (self *JSEthereum) GetStateObject(addr string) otto.Value {
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return self.toVal(&JSStateObject{ethpipe.NewJSObject(self.JSPipe.World().SafeGet(ethutil.Hex2Bytes(addr))), self})
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}
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func (self *JSEthereum) Peers() otto.Value {
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return self.toVal(self.JSPipe.Peers())
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}
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func (self *JSEthereum) Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr string) otto.Value {
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r, err := self.JSPipe.Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr)
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if err != nil {
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fmt.Println(err)
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return otto.UndefinedValue()
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}
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return self.toVal(r)
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}
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func (self *JSEthereum) Create(key, valueStr, gasStr, gasPriceStr, scriptStr string) otto.Value {
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r, err := self.JSPipe.Transact(key, "", valueStr, gasStr, gasPriceStr, scriptStr)
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if err != nil {
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fmt.Println(err)
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return otto.UndefinedValue()
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}
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return self.toVal(r)
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}
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func (self *JSEthereum) toVal(v interface{}) otto.Value {
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result, err := self.vm.ToValue(v)
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if err != nil {
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fmt.Println("Value unknown:", err)
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return otto.UndefinedValue()
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}
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return result
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}
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func (self *JSEthereum) Messages(object map[string]interface{}) otto.Value {
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filter := ethchain.NewFilterFromMap(object, self.ethereum)
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messages := filter.Find()
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var msgs []JSMessage
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for _, m := range messages {
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msgs = append(msgs, NewJSMessage(m))
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}
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v, _ := self.vm.ToValue(msgs)
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return v
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}
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