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interface.get_history: enforce sorted order of heights
related: #7058
patch-4
SomberNight
4 years ago
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GPG Key ID: B33B5F232C6271E9
1 changed files with
10 additions and
3 deletions
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electrum/interface.py
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@ -938,14 +938,21 @@ class Interface(Logger): |
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res = await self.session.send_request('blockchain.scripthash.get_history', [sh]) |
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# check response |
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assert_list_or_tuple(res) |
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prev_height = 1 |
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for tx_item in res: |
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assert_dict_contains_field(tx_item, field_name='height') |
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height = assert_dict_contains_field(tx_item, field_name='height') |
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assert_dict_contains_field(tx_item, field_name='tx_hash') |
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assert_integer(tx_item['height']) |
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assert_integer(height) |
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assert_hash256_str(tx_item['tx_hash']) |
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if tx_item['height'] in (-1, 0): |
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if height in (-1, 0): |
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assert_dict_contains_field(tx_item, field_name='fee') |
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assert_non_negative_integer(tx_item['fee']) |
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prev_height = - float("inf") # this ensures confirmed txs can't follow mempool txs |
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else: |
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# check monotonicity of heights |
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if height < prev_height: |
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raise RequestCorrupted(f'heights of confirmed txs must be in increasing order') |
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prev_height = height |
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return res |
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async def listunspent_for_scripthash(self, sh: str) -> List[dict]: |
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