message: [Tests] fake_stake: reverse stake hash byte order
diff: @@ -482,7 +482,7 @@ class CBlockHeader():
  if isinstance(prevout, COutPoint):
  data += self.get_uniqueness(prevout)
  else:
  - data += ser_uint256(uint256_from_str(bytes.fromhex(hashStake)))
  + data += ser_uint256(uint256_from_str(bytes.fromhex(hashStake)[::-1]))
  data += struct.pack("<I", self.nTime)
  posHash = uint256_from_str(hash256(data))
  if posHash <= target:
  