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internal/ethapi: reuse headers list for simulate

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lightclient 2025-02-19 07:08:28 -07:00
parent 3a01c3a230
commit 1cf96f6e12
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GPG key ID: 657913021EF45A6A
1 changed files with 3 additions and 7 deletions
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8
internal/ethapi/simulate.go
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@ -138,20 +138,16 @@ func (sim *simulator) execute(ctx context.Context, blocks []simBlock) ([]*simBlo
} }
var ( var (
results = make([]*simBlockResult, len(blocks)) results = make([]*simBlockResult, len(blocks))
// prevHeaders is the header for all previously simulated blocks.
// It is "filled" compared to the barebone header available prior to execution.
// It will be used for serving the BLOCKHASH opcode.
prevHeaders = make([]*types.Header, 0, len(blocks))
parent = sim.base parent = sim.base
) )
for bi, block := range blocks { for bi, block := range blocks {
result, callResults, err := sim.processBlock(ctx, &block, headers[bi], parent, prevHeaders, timeout) result, callResults, err := sim.processBlock(ctx, &block, headers[bi], parent, headers[:bi], timeout)
if err != nil { if err != nil {
return nil, err return nil, err
} }
headers[bi] = result.Header()
results[bi] = &simBlockResult{fullTx: sim.fullTx, chainConfig: sim.chainConfig, Block: result, Calls: callResults} results[bi] = &simBlockResult{fullTx: sim.fullTx, chainConfig: sim.chainConfig, Block: result, Calls: callResults}
parent = result.Header() parent = result.Header()
prevHeaders = append(prevHeaders, parent)
} }
return results, nil return results, nil
} }