quorum/ethutil/natspec/natspec.go

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2015-03-05 18:43:34 -08:00
package natspec
import (
// "encoding/json"
// "fmt"
"github.com/ethereum/go-ethereum/eth"
"github.com/ethereum/go-ethereum/javascript"
"io/ioutil"
)
type NatSpec struct {
jsre *javascript.JSRE
}
func NewNATSpec(ethereum *eth.Ethereum, transaction string) (self *NatSpec, err error) {
self = new(NatSpec)
self.jsre = javascript.NewJSRE(ethereum)
//self.jsre.LoadExtFile("/home/fefe/go-ethereum/ethutil/natspec/natspec.js")
code, err := ioutil.ReadFile("natspec.js")
if err != nil {
return
}
_, err = self.jsre.Run(string(code))
if err != nil {
return
}
_, err = self.jsre.Run("var natspec = require('natspec');")
if err != nil {
return
}
self.jsre.Run("var transaction = " + transaction + ";")
return
}
func (self *NatSpec) SetDescription(desc string) (err error) {
_, err = self.jsre.Run("var expression = \"" + desc + "\";")
return
}
func (self *NatSpec) SetABI(abi string) (err error) {
_, err = self.jsre.Run("var abi = " + abi + ";")
return
}
func (self *NatSpec) SetMethod(method string) (err error) {
_, err = self.jsre.Run("var method = '" + method + "';")
return
}
func (self *NatSpec) Parse() string {
self.jsre.Run("var call = {method: method,abi: abi,transaction: transaction};")
value, err := self.jsre.Run("natspec.evaluateExpression(expression, call);")
if err != nil {
return err.Error()
}
return value.String()
}