core/vm, rpc: added disasm to `ext_` RPC

pull/1077/head
obscuren 10 years ago
parent f7415c0bbc
commit 7381be8edb
  1. 21
      core/vm/disasm.go
  2. 9
      rpc/api.go

@ -0,0 +1,21 @@
package vm
import "fmt"
func Disasm(code []byte) []string {
var out []string
for pc := uint64(0); pc < uint64(len(code)); pc++ {
op := OpCode(code[pc])
out = append(out, op.String())
switch op {
case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32:
a := uint64(op) - uint64(PUSH1) + 1
out = append(out, fmt.Sprintf("0x%x", code[pc+1:pc+1+a]))
pc += a
}
}
return out
}

@ -6,6 +6,7 @@ import (
"math/big" "math/big"
"github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/logger/glog" "github.com/ethereum/go-ethereum/logger/glog"
@ -344,7 +345,6 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
return NewNotImplementedError(req.Method) return NewNotImplementedError(req.Method)
case "eth_compileSolidity": case "eth_compileSolidity":
solc, _ := api.xeth().Solc() solc, _ := api.xeth().Solc()
if solc == nil { if solc == nil {
return NewNotAvailableError(req.Method, "solc (solidity compiler) not found") return NewNotAvailableError(req.Method, "solc (solidity compiler) not found")
@ -562,6 +562,13 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err
case "eth_hashrate": case "eth_hashrate":
*reply = newHexNum(api.xeth().HashRate()) *reply = newHexNum(api.xeth().HashRate())
case "ext_disasm":
args := new(SourceArgs)
if err := json.Unmarshal(req.Params, &args); err != nil {
return err
}
*reply = vm.Disasm(common.FromHex(args.Source))
// case "eth_register": // case "eth_register":
// // Placeholder for actual type // // Placeholder for actual type

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