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