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eth/tracers: fix concurrency issue for JS-tracing a block #29238 (#1350)

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Daniel Liu 2025-09-09 16:45:35 +08:00 committed by GitHub
parent bb7da37fb9
commit 7be9ab1ed9
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1 changed files with 6 additions and 1 deletions
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7
eth/tracers/api.go
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@ -624,7 +624,6 @@ func (api *API) traceBlockParallel(ctx context.Context, block *types.Block, stat
var (
txs = block.Transactions()
blockHash = block.Hash()
blockCtx = core.NewEVMBlockContext(block.Header(), api.chainContext(ctx), nil)
signer = types.MakeSigner(api.backend.ChainConfig(), block.Number())
results = make([]*txTraceResult, len(txs))
pend sync.WaitGroup
@ -655,6 +654,11 @@ func (api *API) traceBlockParallel(ctx context.Context, block *types.Block, stat
TxIndex: task.index,
TxHash: txs[task.index].Hash(),
}
// Reconstruct the block context for each transaction
// as the GetHash function of BlockContext is not safe for
// concurrent use.
// See: https://github.com/ethereum/go-ethereum/issues/29114
blockCtx := core.NewEVMBlockContext(block.Header(), api.chainContext(ctx), nil)
res, err := api.traceTx(ctx, msg, txctx, blockCtx, task.statedb, config)
if err != nil {
results[task.index] = &txTraceResult{TxHash: txs[task.index].Hash(), Error: err.Error()}
@ -668,6 +672,7 @@ func (api *API) traceBlockParallel(ctx context.Context, block *types.Block, stat
// Feed the transactions into the tracers and return
feeCapacity := state.GetTRC21FeeCapacityFromState(statedb)
var failed error
blockCtx := core.NewEVMBlockContext(block.Header(), api.chainContext(ctx), nil)
txloop:
for i, tx := range txs {
// Send the trace task over for execution