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| author | obscuren <geffobscura@gmail.com> | 2015-05-22 21:38:46 +0800 |
|---|---|---|
| committer | obscuren <geffobscura@gmail.com> | 2015-05-22 21:38:46 +0800 |
| commit | 7381be8edb3bec412d31a97977174cf52eed8094 (patch) | |
| tree | d0ffa3704a152eee79e566bf8fe1d7d405d81ebb | |
| parent | f7415c0bbc9d95141a0b2d95b936f4eed90c0616 (diff) | |
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core/vm, rpc: added disasm to `ext_` RPC
| -rw-r--r-- | core/vm/disasm.go | 21 | ||||
| -rw-r--r-- | rpc/api.go | 9 |
2 files changed, 29 insertions, 1 deletions
diff --git a/core/vm/disasm.go b/core/vm/disasm.go new file mode 100644 index 000000000..858ee684a --- /dev/null +++ b/core/vm/disasm.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 +} diff --git a/rpc/api.go b/rpc/api.go index a9a0ae609..6b37acb03 100644 --- a/rpc/api.go +++ b/rpc/api.go @@ -6,6 +6,7 @@ import ( "math/big" "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/vm" "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger/glog" @@ -344,7 +345,6 @@ func (api *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) err return NewNotImplementedError(req.Method) case "eth_compileSolidity": - solc, _ := api.xeth().Solc() if solc == nil { 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": *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": // // Placeholder for actual type |