def _parse_header(self, electrum_header: Dict):
header_hex = serialize_header(electrum_header)
blockhash_from_header = blockheader_to_blockhash(header_hex)
if electrum_header['block_height'] in self._checkpoints:
if self._checkpoints[electrum_header['block_height']] != blockhash_from_header:
raise exceptions.NetworkHeadersInconsistencyException
header_data = deserialize_header(header_hex)
return {
'block_hash': blockhash_from_header,
'block_height': electrum_header['block_height'],
'header_bytes': binascii.unhexlify(header_hex),
'prev_block_hash': header_data['prev_block_hash'],
'timestamp': header_data['timestamp']
}
def _parse_header(self, electrum_header: Dict):
if electrum_header.get('hex'):
header_hex = electrum_header['hex']
# protocol 1.4
else:
header_hex = serialize_header(electrum_header)
electrum_header['height'] = electrum_header['block_height']
# some servers with protocol 1.4 that answers with 1.2 expected answer :-(
blockhash_from_header = blockheader_to_blockhash(header_hex)
if electrum_header['height'] in self._checkpoints:
if self._checkpoints[
electrum_header['height']] != blockhash_from_header:
raise exceptions.NetworkHeadersInconsistencyException
header_data = deserialize_header(header_hex)
header_bytes = binascii.unhexlify(header_hex)
verify_pow(header_bytes, binascii.unhexlify(header_data['hash']))
return {
'block_hash': blockhash_from_header,
'block_height': electrum_header['height'],
'header_bytes': header_bytes,
'prev_block_hash': header_data['prev_block_hash'],
'timestamp': header_data['timestamp']
}