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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(int32(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
}
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