def test_block_skip_verify():
"""
Deserialize a Block by skipping the verification of signature and PoW
"""
block_data = BLOCKS["receive"]["data"].copy()
block_data["work"] = "a" * 16
# The work is invalid, but it's OK
Block.from_dict(block_data, verify=False)
Block.from_json(json.dumps(block_data), verify=False)
block_data["signature"] = "A" * 128
# The signature is invalid, but that's OK as well now
Block.from_dict(block_data, verify=False)
Block.from_json(json.dumps(block_data), verify=False)
def test_block_json(name, block):
"""
Deserialize every block from JSON and ensure they can be serialized
back into identical JSON
"""
test_block = block["data"]
block = Block.from_json(json.dumps(test_block))
assert json.loads(block.json()) == test_block
def test_block_complete(name, block):
"""
Deserialize every block from JSON and check that they have valid PoW and
signatures
"""
test_block = block["data"]
block = Block.from_json(json.dumps(test_block))
assert block.has_valid_work
if block.account:
assert block.has_valid_signature
assert block.complete
else:
# Nano reference wallet's RPC API doesn't return some legacy blocks
# with 'account' fields set even if they're required to verify the
# signature.
try:
assert not block.account
block.verify_signature()
except ValueError as e:
assert "'account' not included" in str(e)
assert not block.complete