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add check in case local height is less than zero

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Kay Kurokawa 2017-02-23 19:45:07 -05:00
parent 76df0e3940
commit 88f270180c
2 changed files with 11 additions and 2 deletions
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1
CHANGELOG.md
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@ -20,6 +20,7 @@ at anytime.
### Fixed
* Added timeout to ClientProtocol
* Add check for when local height of wallet is less than zero
*
*

12
lbrynet/core/Wallet.py
View file

@ -1031,11 +1031,16 @@ class LBRYumWallet(Wallet):
return self._run_cmd_as_defer_to_thread('getblock', blockhash)
def get_most_recent_blocktime(self):
height = self.network.get_local_height()
if height < 0:
return defer.succeed(None)
header = self.network.get_header(self.network.get_local_height())
return defer.succeed(header['timestamp'])
def get_best_blockhash(self):
height = self.network.get_local_height()
if height < 0:
return defer.succeed(None)
header = self.network.blockchain.read_header(height)
return defer.succeed(self.network.blockchain.hash_header(header))
@ -1114,8 +1119,11 @@ class LBRYumWallet(Wallet):
return d
def _get_value_for_name(self, name):
block_header = self.network.blockchain.read_header(
self.network.get_local_height() - RECOMMENDED_CLAIMTRIE_HASH_CONFIRMS + 1)
height_to_check = self.network.get_local_height() - RECOMMENDED_CLAIMTRIE_HASH_CONFIRMS + 1
if height_to_check < 0:
msg = "Height to check is less than 0, blockchain headers are likely not initialized"
raise Exception(msg)
block_header = self.network.blockchain.read_header(height_to_check)
block_hash = self.network.blockchain.hash_header(block_header)
d = self._run_cmd_as_defer_to_thread('requestvalueforname', name, block_hash)
d.addCallback(lambda response: Commands._verify_proof(name, block_header['claim_trie_root'],