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

This commit is contained in:
obscuren 2015-05-22 15:38:46 +02:00
parent f7415c0bbc
commit 7381be8edb
2 changed files with 29 additions and 1 deletions
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21
core/vm/disasm.go Normal file
View File

@ -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
}

9
rpc/api.go
View File

@ -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