if self.verifier: self.verifier.add(tx_hash, tx_height)
# set the height in case it changed
txh = self.tx_height.get(tx_hash)
- if txh and txh != tx_height:
+ if txh is not None and txh != tx_height:
print_error( "changing height for tx", tx_hash )
self.tx_height[tx_hash] = tx_height
self.verifier.add(tx_hash, tx_height)
# set the height in case it changed
txh = self.tx_height.get(tx_hash)
- if txh and txh != tx_height:
+ if txh is not None and txh != tx_height:
print_error( "changing height for tx", tx_hash )
self.tx_height[tx_hash] = tx_height