gcs/builder: skip zero nil outputs scripts
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1 changed files with 8 additions and 0 deletions
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@ -331,6 +331,10 @@ func BuildBasicFilter(block *wire.MsgBlock, prevOutScripts [][]byte) (*gcs.Filte
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// For each output in a transaction, we'll add each of the
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// individual data pushes within the script.
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for _, txOut := range tx.TxOut {
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if len(txOut.PkScript) == 0 {
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continue
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}
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// In order to allow the filters to later be committed
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// to within an OP_RETURN output, we ignore all
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// OP_RETURNs to avoid a circular dependency.
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@ -346,6 +350,10 @@ func BuildBasicFilter(block *wire.MsgBlock, prevOutScripts [][]byte) (*gcs.Filte
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// In the second pass, we'll also add all the prevOutScripts
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// individually as elements.
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for _, prevScript := range prevOutScripts {
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if len(prevScript) == 0 {
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continue
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}
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b.AddEntry(prevScript)
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}
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