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eth/state, les/state, et/tracers: properly init statedb accesslist #22480

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merged 4 commits into from
Mar 14, 2021
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eth/state, les/state, et/tracers: properly init statedb accesslist #22480

merged 4 commits into from
Mar 14, 2021

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holiman
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@holiman holiman commented Mar 11, 2021

....during tracing. Fixes #22475

@holiman holiman mentioned this pull request Mar 11, 2021
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karalabe
karalabe reviewed Mar 11, 2021
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eth/state_accessor.go Outdated
@@ -212,6 +212,7 @@ func (eth *Ethereum) stateAtTransaction(block *types.Block, txIndex int, reexec
msg, _ := tx.AsMessage(signer)
txContext := core.NewEVMTxContext(msg)
context := core.NewEVMBlockContext(block.Header(), eth.blockchain, nil)
statedb.Prepare(tx.Hash(), block.Hash(), idx)
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I think we should move this down (so that it does not prepare the statedb for the tx to be traced), and rather do it on call-site. That way all 4 invocations of traceTx will be the same. In the current code 3 manually does a prep and one inherits it from here, which seems brittle.

karalabe
karalabe reviewed Mar 11, 2021
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eth/tracers/api.go Outdated
@@ -266,6 +266,7 @@ func (api *API) traceChain(ctx context.Context, start, end *types.Block, config
// Trace all the transactions contained within
for i, tx := range task.block.Transactions() {
msg, _ := tx.AsMessage(signer)
task.statedb.Prepare(tx.Hash(), task.block.Hash(), i)
res, err := api.traceTx(ctx, msg, blockCtx, task.statedb, config)
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I'd be a lot happier if we did thins in traceTx, seems wried to manually do this at all callsites

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Ok, but we don't actually have the index nor the hash at that point. That may be fine, but might also at some later point pop up as as bug

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holiman commented Mar 11, 2021

I think the call-sites are fixed

@MariusVanDerWijden
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@holiman Don't know if it is relevant, but afaict we call ApplyTransaction in the miner without preparing the db too.
See:

go-ethereum/miner/worker.go

Line 739 in 6387c52

receipt, err := core.ApplyTransaction(w.chainConfig, w.chain, &coinbase, w.current.gasPool, w.current.state, w.current.header, tx, &w.current.header.GasUsed, *w.chain.GetVMConfig())

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holiman commented Mar 12, 2021

@holiman Don't know if it is relevant, but afaict we call ApplyTransaction in the miner without preparing the db too.

cc @fjl could you PTAL?

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holiman commented Mar 12, 2021

That may indeed be really bad

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holiman commented Mar 12, 2021

Ah no it's fine. It's done by the caller

		w.current.state.Prepare(tx.Hash(), common.Hash{}, w.current.tcount)

		logs, err := w.commitTransaction(tx, coinbase)

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@holiman Don't know if it is relevant, but afaict we call ApplyTransaction in the miner without preparing the db too.

At least the traces would have been correct then :trollface:

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Proposed diff on top https://gist.github.com/karalabe/fdf7c431fceabc7f2e15ac6f041d6800

karalabe
karalabe approved these changes Mar 14, 2021
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SGTM

@karalabe karalabe added this to the 1.10.2 milestone Mar 14, 2021
@karalabe karalabe merged commit c6d4500 into ethereum:master Mar 14, 2021
atif-konasl pushed a commit to frozeman/pandora-execution-engine that referenced this pull request Oct 15, 2021
@holiman @atif-konasl
eth, les: properly init statedb accesslist during tracing (ethereum#2…
eb2e13a 
…2480)

* eth/state, les/state: properly init statedb accesslist when tracing, fixes ethereum#22475

* eth: review comments

* eth/tracers: fix compilation err

* eth/tracers: apply @karalabe's suggested fix
@quorumbot quorumbot mentioned this pull request Apr 28, 2022
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formingform added a commit to formingform/PlatON-Go that referenced this pull request Apr 20, 2023
@formingform
fix: properly init statedb accesslist
ef4ef60 
refer to: ethereum/go-ethereum#22480
@gzliudan gzliudan mentioned this pull request Apr 22, 2024
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gzliudan added a commit to gzliudan/XDPoSChain that referenced this pull request May 14, 2024
@gzliudan
eth/state, les/state, et/tracers: properly init statedb accesslist (e…
b8974be 
…thereum#22480)
@gzliudan gzliudan mentioned this pull request May 17, 2024
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@karalabe karalabe karalabe approved these changes

@rjl493456442 rjl493456442 Awaiting requested review from rjl493456442 rjl493456442 is a code owner

@zsfelfoldi zsfelfoldi Awaiting requested review from zsfelfoldi

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debug_traceTransaction gas usage doesn't match transaction receipt
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@holiman @MariusVanDerWijden @karalabe