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eth: added trace_call to trace on top of arbitrary blocks #21338

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merged 6 commits into from
Sep 7, 2020
+54 −8
Merged

eth: added trace_call to trace on top of arbitrary blocks #21338

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0a5999e
eth: Added TraceTransactionPending
MariusVanDerWijden Jul 17, 2020
c1ae792
eth: Implement Trace_Call, remove traceTxPending
MariusVanDerWijden Jul 20, 2020
94d2397
eth: debug_call -> debug_traceCall, recompute tx environment if pruned
MariusVanDerWijden Aug 6, 2020
6ed7dc8
eth: fix nil panic
MariusVanDerWijden Aug 7, 2020
e7c8140
eth: improve block retrieving logic in tracers
MariusVanDerWijden Aug 26, 2020
16ef3fe
internal/web3ext: add debug_traceCall to console
MariusVanDerWijden Aug 28, 2020
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13 changes: 13 additions & 0 deletions eth/api_tracer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -719,6 +719,19 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Ha
return api.traceTx(ctx, msg, vmctx, statedb, config)
}

// Call lets you trace a given eth_call. returns the structured logs created during the execution of EVM
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// 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) Call(ctx context.Context, args ethapi.CallArgs, blockNrOrHash rpc.BlockNumberOrHash, config *TraceConfig) (interface{}, error) {
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statedb, header, err := api.eth.APIBackend.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
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if err != nil {
return nil, err
}
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.
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