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eth: fix tracer panic when running without configs + reexec #15799

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Merged
fjl merged 1 commit into from
Jan 4, 2018
+3 −3
Merged

eth: fix tracer panic when running without configs + reexec #15799

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6 changes: 3 additions & 3 deletions eth/api_tracer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -204,7 +204,7 @@ func (api *PrivateDebugAPI) traceChain(ctx context.Context, start, end *types.Bl
if err != nil {
// If the starting state is missing, allow some number of blocks to be reexecuted
reexec := defaultTraceReexec
if config.Reexec != nil {
if config != nil && config.Reexec != nil {
reexec = *config.Reexec
}
// Find the most recent block that has the state available
Expand Down Expand Up @@ -465,7 +465,7 @@ func (api *PrivateDebugAPI) traceBlock(ctx context.Context, block *types.Block,
return nil, fmt.Errorf("parent %x not found", block.ParentHash())
}
reexec := defaultTraceReexec
if config.Reexec != nil {
if config != nil && config.Reexec != nil {
reexec = *config.Reexec
}
statedb, err := api.computeStateDB(parent, reexec)
Expand Down Expand Up @@ -619,7 +619,7 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Ha
return nil, fmt.Errorf("transaction %x not found", hash)
}
reexec := defaultTraceReexec
if config.Reexec != nil {
if config != nil && config.Reexec != nil {
reexec = *config.Reexec
}
msg, vmctx, statedb, err := api.computeTxEnv(blockHash, int(index), reexec)
Expand Down