consensus: only use previous proposal if it has something in it
It might just be uninitialized it doesn't really make sense using zero-length previous proposal anyway.
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@ -580,7 +580,7 @@ func (s *service) getVerifiedTx() []block.Transaction {
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var txx []*transaction.Transaction
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if s.dbft.ViewNumber > 0 {
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if s.dbft.ViewNumber > 0 && len(s.lastProposal) > 0 {
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txx = make([]*transaction.Transaction, 0, len(s.lastProposal))
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for i := range s.lastProposal {
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if tx, ok := pool.TryGetValue(s.lastProposal[i]); ok {
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