fix #750
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@ -102,6 +102,9 @@ class TxVerifier(threading.Thread):
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# request missing tx
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for tx_hash, tx_height in self.transactions.items():
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if tx_hash not in self.verified_tx:
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# do not request merkle branch before headers are available
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if tx_height > self.network.blockchain.height():
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continue
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if self.merkle_roots.get(tx_hash) is None and tx_hash not in requested_merkle:
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if self.network.send([ ('blockchain.transaction.get_merkle',[tx_hash, tx_height]) ], lambda i,r: self.queue.put(r)):
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print_error('requesting merkle', tx_hash)
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