59 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package rpc
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| 
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| import (
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| 	"encoding/json"
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| 	"fmt"
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| 	// "fmt"
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| 	"github.com/ethereum/go-ethereum/jsre"
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| 	"github.com/robertkrimen/otto"
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| )
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| 
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| type Jeth struct {
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| 	ethApi *EthereumApi
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| 	toVal  func(interface{}) otto.Value
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| 	re     *jsre.JSRE
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| }
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| 
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| func NewJeth(ethApi *EthereumApi, toVal func(interface{}) otto.Value, re *jsre.JSRE) *Jeth {
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| 	return &Jeth{ethApi, toVal, re}
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| }
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| 
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| func (self *Jeth) err(code int, msg string, id interface{}) (response otto.Value) {
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| 	rpcerr := &RpcErrorObject{code, msg}
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| 	self.re.Set("ret_jsonrpc", jsonrpcver)
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| 	self.re.Set("ret_id", id)
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| 	self.re.Set("ret_error", rpcerr)
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| 	response, _ = self.re.Run(`
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| 		ret_response = { jsonrpc: ret_jsonrpc, id: ret_id, error: ret_error };
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| 	`)
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| 	return
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| }
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| 
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| func (self *Jeth) Send(call otto.FunctionCall) (response otto.Value) {
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| 	reqif, err := call.Argument(0).Export()
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| 	if err != nil {
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| 		return self.err(-32700, err.Error(), nil)
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| 	}
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| 
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| 	jsonreq, err := json.Marshal(reqif)
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| 
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| 	var req RpcRequest
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| 	err = json.Unmarshal(jsonreq, &req)
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| 
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| 	var respif interface{}
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| 	err = self.ethApi.GetRequestReply(&req, &respif)
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| 	if err != nil {
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| 		fmt.Printf("error: %s\n", err)
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| 		return self.err(-32603, err.Error(), req.Id)
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| 	}
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| 	self.re.Set("ret_jsonrpc", jsonrpcver)
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| 	self.re.Set("ret_id", req.Id)
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| 
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| 	res, _ := json.Marshal(respif)
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| 	self.re.Set("ret_result", string(res))
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| 	response, err = self.re.Run(`
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| 		ret_response = { jsonrpc: ret_jsonrpc, id: ret_id, result: JSON.parse(ret_result) };
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| 	`)
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| 	return
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| }
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