def __get_median_timestamp(self, blocks):
# Sort all blocks by timestamp
sorted_blocks = sorted( blocks, key=lambda b: b["time_utc"] )
length = len( sorted_blocks )
if length % 2:
return int( ConsensusHelper.parse_utc_timestamp( sorted_blocks[length/2]["time_utc"] ) )
else:
return int( ( ConsensusHelper.parse_utc_timestamp( sorted_blocks[length/2]["time_utc"] ) + \
ConsensusHelper.parse_utc_timestamp( sorted_blocks[length/2-1]["time_utc"] ) ) / 2.0 )
def __get_median_timestamp(self, blocks):
# Sort all blocks by timestamp
sorted_blocks = sorted(blocks, key=lambda b: b["time_utc"])
length = len(sorted_blocks)
if length % 2:
return int(
ConsensusHelper.parse_utc_timestamp(
sorted_blocks[length / 2]["time_utc"]))
else:
return int( ( ConsensusHelper.parse_utc_timestamp( sorted_blocks[length/2]["time_utc"] ) + \
ConsensusHelper.parse_utc_timestamp( sorted_blocks[length/2-1]["time_utc"] ) ) / 2.0 )
def getFirstSeen(self, testnet, address):
"""
Find out when the blockchain has first seen the provided address.
Returns first transaction info if it has been seen, or None if never seen before.
Result is ( block_number, confirmation_count, block_timestamp )
"""
address_info = BitcoinThread.request_blockr_json(
"address/info/%s" % address, testnet)
if address_info['is_unknown'] or not 'first_tx' in address_info:
return None
first_tx = address_info['first_tx']
return (int(first_tx['block_nb']), first_tx['confirmations'],
int(ConsensusHelper.parse_utc_timestamp(first_tx['time_utc'])))
def getFirstSeen(self, testnet, address):
"""
Find out when the blockchain has first seen the provided address.
Returns first transaction info if it has been seen, or None if never seen before.
Result is ( block_number, confirmation_count, block_timestamp )
"""
address_info = BitcoinThread.request_blockr_json( "address/info/%s" % address, testnet )
if address_info['is_unknown'] or not 'first_tx' in address_info:
return None
first_tx = address_info['first_tx']
return ( int( first_tx['block_nb'] ),
first_tx['confirmations'],
int( ConsensusHelper.parse_utc_timestamp( first_tx['time_utc'] ) ) )