diff --git a/eth/api.go b/eth/api.go index b8a2d12b4..ee66e9371 100644 --- a/eth/api.go +++ b/eth/api.go @@ -378,7 +378,12 @@ func (api *PublicDebugAPI) AccountRange(blockNrOrHash rpc.BlockNumberOrHash, sta // StorageRangeAt returns the storage at the given block height and transaction index. func (api *PrivateDebugAPI) StorageRangeAt(ctx context.Context, blockHash common.Hash, txIndex uint64, contractAddress common.Address, keyStart hexutil.Bytes, maxResult int) (StorageRangeResult, error) { + // Retrieve the block _, _, _, dbstate, err := ComputeTxEnv(ctx, api.eth.blockchain, api.eth.blockchain.Config(), api.eth.blockchain, api.eth.ChainKV(), blockHash, txIndex) + if block == nil { + return StorageRangeResult{}, fmt.Errorf("block %#x not found", blockHash) + } + _, _, statedb, err := api.computeTxEnv(block, txIndex, 0) if err != nil { return StorageRangeResult{}, err } diff --git a/eth/api_tracer.go b/eth/api_tracer.go index e15c1d1b8..7acfb6bed 100644 --- a/eth/api_tracer.go +++ b/eth/api_tracer.go @@ -604,6 +604,10 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Ha return nil, fmt.Errorf("transaction %#x not found", hash) } msg, vmctx, statedb, _, err := ComputeTxEnv(ctx, api.eth.blockchain, api.eth.blockchain.Config(), api.eth.blockchain, api.eth.ChainKV(), blockHash, index) + if block == nil { + return nil, fmt.Errorf("block %#x not found", blockHash) + } + msg, vmctx, statedb, err := api.computeTxEnv(block, int(index), reexec) if err != nil { return nil, err } @@ -611,6 +615,40 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Ha return api.traceTx(ctx, msg, vmctx, statedb, config) } +// 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 *PrivateDebugAPI) TraceCall(ctx context.Context, args ethapi.CallArgs, blockNrOrHash rpc.BlockNumberOrHash, config *TraceConfig) (interface{}, error) { + // First try to retrieve the state + statedb, header, err := api.eth.APIBackend.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash) + if err != nil { + // Try to retrieve the specified block + var block *types.Block + if hash, ok := blockNrOrHash.Hash(); ok { + block = api.eth.blockchain.GetBlockByHash(hash) + } else if number, ok := blockNrOrHash.Number(); ok { + block = api.eth.blockchain.GetBlockByNumber(uint64(number)) + } + if block == nil { + return nil, fmt.Errorf("block %v not found: %v", blockNrOrHash, err) + } + // try to recompute the state + reexec := defaultTraceReexec + if config != nil && config.Reexec != nil { + reexec = *config.Reexec + } + _, _, statedb, err = api.computeTxEnv(block, 0, reexec) + if err != nil { + return nil, err + } + } + + // Execute the trace + msg := args.ToMessage(api.eth.APIBackend.RPCGasCap()) + vmctx := core.NewEVMContext(msg, header, api.eth.blockchain, nil) + return api.traceTx(ctx, msg, vmctx, statedb, config) +} + // 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. diff --git a/internal/web3ext/web3ext.go b/internal/web3ext/web3ext.go index 80ac92fe4..41d865778 100644 --- a/internal/web3ext/web3ext.go +++ b/internal/web3ext/web3ext.go @@ -429,6 +429,12 @@ web3._extend({ params: 2, inputFormatter: [null, null] }), + new web3._extend.Method({ + name: 'traceCall', + call: 'debug_traceCall', + params: 3, + inputFormatter: [null, null, null] + }), new web3._extend.Method({ name: 'preimage', call: 'debug_preimage',