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* add debug_traceCall rpc * fix compile * fix cycle deps
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| /* | ||
| * Copyright (C) 2018 The ontology Authors | ||
| * This file is part of The ontology library. | ||
| * | ||
| * The ontology is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Lesser General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * The ontology is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public License | ||
| * along with The ontology. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| package debug | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/ethereum/go-ethereum/core/types" | ||
| "github.com/ethereum/go-ethereum/rpc" | ||
| "github.com/ontio/ontology/core/ledger" | ||
| "github.com/ontio/ontology/http/ethrpc/eth" | ||
| types2 "github.com/ontio/ontology/http/ethrpc/types" | ||
| "github.com/ontio/ontology/vm/evm" | ||
| "github.com/ontio/ontology/vm/evm/tracers" | ||
| ) | ||
|
|
||
| // DebugAPI is the collection of tracing APIs exposed over the private debugging endpoint. | ||
| type DebugAPI struct { | ||
| } | ||
|
|
||
| // NewDebugAPI creates a new DebugAPI definition for the tracing methods of the Ethereum service. | ||
| func NewDebugAPI() *DebugAPI { | ||
| return &DebugAPI{} | ||
| } | ||
|
|
||
| // TraceConfig holds extra parameters to trace functions. | ||
| type TraceConfig struct { | ||
| *evm.LogConfig | ||
| Tracer *string | ||
| Timeout *string | ||
| Reexec *uint64 | ||
| } | ||
|
|
||
| // TraceCallConfig is the config for traceCall DebugAPI. It holds one more | ||
| // field to override the state for tracing. | ||
| type TraceCallConfig struct { | ||
| *evm.LogConfig | ||
| Tracer *string | ||
| Timeout *string | ||
| Reexec *uint64 | ||
| //StateOverrides *ethapi.StateOverride | ||
| } | ||
|
|
||
| // TraceCall lets you trace a given eth_call. It collects the structured logs | ||
| // created during the execution of EVM if the given transaction was added on | ||
| // top of the provided block and returns them as a JSON object. | ||
| // You can provide -2 as a block number to trace on top of the pending block. | ||
| func (api *DebugAPI) TraceCall(args types2.CallArgs, blockNrOrHash rpc.BlockNumberOrHash, config *TraceCallConfig) (interface{}, error) { | ||
| // Execute the trace | ||
| msg := args.AsMessage(eth.RPCGasCap) | ||
|
|
||
| var traceConfig *TraceConfig | ||
| if config != nil { | ||
| traceConfig = &TraceConfig{ | ||
| LogConfig: config.LogConfig, | ||
| Tracer: config.Tracer, | ||
| Timeout: config.Timeout, | ||
| Reexec: config.Reexec, | ||
| } | ||
| } | ||
| return api.traceTx(msg, traceConfig) | ||
| } | ||
|
|
||
| // traceTx configures a new tracer according to the provided configuration, and | ||
| // executes the given message in the provided environment. The return value will | ||
| // be tracer dependent. | ||
| func (api *DebugAPI) traceTx(message types.Message, config *TraceConfig) (interface{}, error) { | ||
| // Assemble the structured logger or the JavaScript tracer | ||
| var ( | ||
| tracer evm.Tracer | ||
| err error | ||
| ) | ||
| switch { | ||
| case config == nil: | ||
| tracer = evm.NewStructLogger(nil) | ||
| case config.Tracer != nil: | ||
| switch *config.Tracer { | ||
| case "callTracer": | ||
| tracer = tracers.NewCallTracer() | ||
| default: | ||
| return nil, fmt.Errorf("unkown tracer type: %s", *config.Tracer) | ||
| } | ||
| default: | ||
| tracer = evm.NewStructLogger(config.LogConfig) | ||
| } | ||
|
|
||
| result, err := ledger.DefLedger.TraceEip155Tx(message, nil) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("tracing failed: %w", err) | ||
| } | ||
|
|
||
| // Depending on the tracer type, format and return the output. | ||
| switch tracer := tracer.(type) { | ||
| case *evm.StructLogger: | ||
| // If the result contains a revert reason, return it. | ||
| returnVal := fmt.Sprintf("%x", result.Return()) | ||
| if len(result.Revert()) > 0 { | ||
| returnVal = fmt.Sprintf("%x", result.Revert()) | ||
| } | ||
| return &ExecutionResult{ | ||
| Gas: result.UsedGas, | ||
| Failed: result.Failed(), | ||
| ReturnValue: returnVal, | ||
| StructLogs: FormatLogs(tracer.StructLogs()), | ||
| }, nil | ||
|
|
||
| case *tracers.CallTracer: | ||
| return tracer.GetResult() | ||
|
|
||
| default: | ||
| panic(fmt.Sprintf("bad tracer type %T", tracer)) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| /* | ||
| * Copyright (C) 2018 The ontology Authors | ||
| * This file is part of The ontology library. | ||
| * | ||
| * The ontology is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Lesser General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * The ontology is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Lesser General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Lesser General Public License | ||
| * along with The ontology. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| package debug | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "github.com/ethereum/go-ethereum/common/math" | ||
| "github.com/ontio/ontology/vm/evm" | ||
| ) | ||
|
|
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| // ExecutionResult groups all structured logs emitted by the EVM | ||
| // while replaying a transaction in debug mode as well as transaction | ||
| // execution status, the amount of gas used and the return value | ||
| type ExecutionResult struct { | ||
| Gas uint64 `json:"gas"` | ||
| Failed bool `json:"failed"` | ||
| ReturnValue string `json:"returnValue"` | ||
| StructLogs []StructLogRes `json:"structLogs"` | ||
| } | ||
|
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| // StructLogRes stores a structured log emitted by the EVM while replaying a | ||
| // transaction in debug mode | ||
| type StructLogRes struct { | ||
| Pc uint64 `json:"pc"` | ||
| Op string `json:"op"` | ||
| Gas uint64 `json:"gas"` | ||
| GasCost uint64 `json:"gasCost"` | ||
| Depth int `json:"depth"` | ||
| Error error `json:"error,omitempty"` | ||
| Stack *[]string `json:"stack,omitempty"` | ||
| Memory *[]string `json:"memory,omitempty"` | ||
| Storage *map[string]string `json:"storage,omitempty"` | ||
| } | ||
|
|
||
| // FormatLogs formats EVM returned structured logs for json output | ||
| func FormatLogs(logs []evm.StructLog) []StructLogRes { | ||
| formatted := make([]StructLogRes, len(logs)) | ||
| for index, trace := range logs { | ||
| formatted[index] = StructLogRes{ | ||
| Pc: trace.Pc, | ||
| Op: trace.Op.String(), | ||
| Gas: trace.Gas, | ||
| GasCost: trace.GasCost, | ||
| Depth: trace.Depth, | ||
| Error: trace.Err, | ||
| } | ||
| if trace.Stack != nil { | ||
| stack := make([]string, len(trace.Stack)) | ||
| for i, stackValue := range trace.Stack { | ||
| stack[i] = fmt.Sprintf("%x", math.PaddedBigBytes(stackValue, 32)) | ||
| } | ||
| formatted[index].Stack = &stack | ||
| } | ||
| if trace.Memory != nil { | ||
| memory := make([]string, 0, (len(trace.Memory)+31)/32) | ||
| for i := 0; i+32 <= len(trace.Memory); i += 32 { | ||
| memory = append(memory, fmt.Sprintf("%x", trace.Memory[i:i+32])) | ||
| } | ||
| formatted[index].Memory = &memory | ||
| } | ||
| if trace.Storage != nil { | ||
| storage := make(map[string]string) | ||
| for i, storageValue := range trace.Storage { | ||
| storage[fmt.Sprintf("%x", i)] = fmt.Sprintf("%x", storageValue) | ||
| } | ||
| formatted[index].Storage = &storage | ||
| } | ||
| } | ||
| return formatted | ||
| } |
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