def dict_to_prev_header(h):
return FakeHeader(hash=parse_as_bin(h['hash']),
number=parse_as_int(h['number']),
timestamp=parse_as_int(h['timestamp']),
difficulty=parse_as_int(h['difficulty']),
gas_used=parse_as_int(h.get('gas_used', '0')),
gas_limit=parse_as_int(h['gas_limit']),
uncles_hash=parse_as_bin(
h.get('uncles_hash',
'0x' + encode_hex(BLANK_UNCLES_HASH))))
def dict_to_prev_header(h):
return FakeHeader(
hash=parse_as_bin(h["hash"]),
number=parse_as_int(h["number"]),
timestamp=parse_as_int(h["timestamp"]),
difficulty=parse_as_int(h["difficulty"]),
gas_used=parse_as_int(h.get("gas_used", "0")),
gas_limit=parse_as_int(h["gas_limit"]),
uncles_hash=parse_as_bin(
h.get("uncles_hash", "0x" + encode_hex(BLANK_UNCLES_HASH))),
)
def mk_fake_header(blknum):
if blknum not in fake_headers:
fake_headers[blknum] = FakeHeader(sha3(to_string(blknum)))
return fake_headers[blknum]