def test_can_add_node_declaration_block(
forced_memory_blockchain: MemoryBlockchain,
user_account_key_pair: KeyPair,
):
blockchain = forced_memory_blockchain
user_account = user_account_key_pair.public
request0 = NodeDeclarationSignedChangeRequest.create(
identifier=hexstr('abcd'),
network_addresses=['127.0.0.1'],
fee_amount=3,
signing_key=user_account_key_pair.private)
block0 = Block.create_from_signed_change_request(blockchain, request0)
blockchain.add_block(block0)
assert blockchain.get_current_node(user_account) == request0.message.node
blockchain.snapshot_blockchain_state()
assert blockchain.blockchain_states[-1].get_node(
user_account) == request0.message.node
request1 = NodeDeclarationSignedChangeRequest.create(
identifier=hexstr('abcd'),
network_addresses=['127.0.0.2', '192.168.0.34'],
fee_amount=3,
signing_key=user_account_key_pair.private)
block1 = Block.create_from_signed_change_request(blockchain, request1)
blockchain.add_block(block1)
assert blockchain.get_current_node(user_account) == request1.message.node
blockchain.snapshot_blockchain_state()
assert blockchain.blockchain_states[-1].get_node(
user_account) == request1.message.node
def test_can_get_nodes_blocks_node_overrides_genesis_state_node(
blockchain_directory, blockchain_genesis_state, user_account_key_pair
):
blockchain = FileBlockchain(base_directory=blockchain_directory)
account_number = user_account_key_pair.public
blockchain_state_node = baker.make(
Node, network_addresses=['https://192.168.0.32:8555/'], identifier=account_number
)
blockchain_genesis_state.account_states[account_number] = AccountState(node=blockchain_state_node)
blockchain.add_blockchain_state(blockchain_genesis_state)
blockchain.validate()
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['https://127.0.0.1:8555/'], fee_amount=3, signing_key=user_account_key_pair.private
)
blocks_node = request.message.node
assert blocks_node.identifier
block = Block.create_from_signed_change_request(blockchain, request, get_node_signing_key())
blockchain.add_block(block)
assert blocks_node != blockchain_state_node
assert list(blockchain.yield_nodes()) == [blocks_node]
def test_can_get_primary_validator_node(forced_memory_blockchain, api_client):
blockchain = forced_memory_blockchain
signing_key = get_node_signing_key()
pv_node_declaration_request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['http://my.domain.com/'],
fee_amount=3,
signing_key=signing_key,
)
block = Block.create_from_signed_change_request(
blockchain,
signed_change_request=pv_node_declaration_request,
pv_signing_key=signing_key,
)
blockchain.add_block(block)
pv_node = pv_node_declaration_request.message.node
pv_schedule_request = PrimaryValidatorScheduleSignedChangeRequest.create(
0, 99, signing_key=signing_key)
block = Block.create_from_signed_change_request(
blockchain,
signed_change_request=pv_schedule_request,
pv_signing_key=signing_key,
)
blockchain.add_block(block)
response = api_client.get(f'{API_V1_NODES_PREFIX}/pv/')
assert response.status_code == 200
data = response.json()
assert data['identifier'] == pv_node.identifier
assert data['fee_amount'] == 3
def test_node_declaration_signed_change_request_valid_network_addresses(
user_account_key_pair, network_address, forced_memory_blockchain):
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=[network_address],
fee_amount=3,
fee_account=hexstr('be10aa7e'),
signing_key=user_account_key_pair.private)
request.validate(forced_memory_blockchain, block_number=0)
def test_node_declaration_signed_change_request_validate_negative_fee_amount(
user_account_key_pair, forced_memory_blockchain):
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=[],
fee_amount=-3,
fee_account=hexstr('be10aa7e'),
signing_key=user_account_key_pair.private)
with pytest.raises(ValidationError,
match='Node fee_amount must be greater or equal to 0'):
request.validate(forced_memory_blockchain, block_number=0)
def test_node_declaration_signed_change_request_validate_fee_account_is_hexadecimal(
user_account_key_pair, forced_memory_blockchain):
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=[],
fee_amount=3,
fee_account=hexstr('non-hexadecimal'),
signing_key=user_account_key_pair.private)
with pytest.raises(ValidationError,
match='Node fee_account must be hexadecimal string'):
request.validate(forced_memory_blockchain, block_number=0)
def test_node_declaration_signed_change_request_validate_network_addresses_scheme(
user_account_key_pair, forced_memory_blockchain):
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['ftp://my.domain.com/'],
fee_amount=3,
fee_account=hexstr('be10aa7e'),
signing_key=user_account_key_pair.private)
with pytest.raises(
ValidationError,
match='Node network_addresses scheme must be one of http, https'):
request.validate(forced_memory_blockchain, block_number=0)
def test_node_declaration_signed_change_request_validate_empty_network_addresses(
user_account_key_pair, network_addresses, forced_memory_blockchain):
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=[network_addresses],
fee_amount=3,
fee_account=hexstr('be10aa7e'),
signing_key=user_account_key_pair.private)
with pytest.raises(ValidationError,
match='Node network_addresses must be not empty'):
request.validate(forced_memory_blockchain, block_number=0)
def test_node_identifier_is_removed_when_node_declaration_signed_change_request_is_serialized(
memory_blockchain, user_account_key_pair):
request = NodeDeclarationSignedChangeRequest.create(
identifier=hexstr('abcd'),
network_addresses=['127.0.0.1'],
fee_amount=3,
fee_account=hexstr('dcba'),
signing_key=user_account_key_pair.private)
block = Block.create_from_signed_change_request(memory_blockchain, request)
compact_dict = block.to_compact_dict()
assert ck('identifier') not in compact_dict[ck('message')][ck(
'signed_change_request')][ck('message')][ck('node')]
def test_can_create_node_declaration_signed_change_request(
user_account_key_pair):
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['127.0.0.1'],
fee_amount=3,
fee_account=hexstr('be10aa7e'),
signing_key=user_account_key_pair.private)
assert request
assert request.signer
assert request.signature
assert request.message
assert request.message.node.network_addresses == ['127.0.0.1']
assert request.message.node.fee_amount == 3
assert request.message.node.fee_account == 'be10aa7e'
def test_can_get_nodes_from_different_block_numbers(
blockchain_directory, blockchain_genesis_state, user_account_key_pair
):
account_number = user_account_key_pair.public
blockchain = FileBlockchain(base_directory=blockchain_directory)
blockchain_state_node = baker.make(
Node, network_addresses=['https://192.168.0.29:8555/'], identifier=account_number
)
blockchain_genesis_state.account_states[account_number] = AccountState(node=blockchain_state_node)
blockchain.add_blockchain_state(blockchain_genesis_state)
blockchain.validate()
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['https://192.168.0.30:8555/'], fee_amount=3, signing_key=user_account_key_pair.private
)
node0 = request.message.node
blockchain.add_block(Block.create_from_signed_change_request(blockchain, request, get_node_signing_key()))
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['https://192.168.0.31:8555/'], fee_amount=3, signing_key=user_account_key_pair.private
)
node1 = request.message.node
blockchain.add_block(Block.create_from_signed_change_request(blockchain, request, get_node_signing_key()))
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['https://192.168.0.32:8555/'], fee_amount=3, signing_key=user_account_key_pair.private
)
node2 = request.message.node
blockchain.add_block(Block.create_from_signed_change_request(blockchain, request, get_node_signing_key()))
assert list(blockchain.yield_nodes()) == [node2]
assert list(blockchain.yield_nodes(block_number=2)) == [node2]
assert list(blockchain.yield_nodes(block_number=1)) == [node1]
assert list(blockchain.yield_nodes(block_number=0)) == [node0]
assert list(blockchain.yield_nodes(block_number=-1)) == [blockchain_state_node]
def test_can_get_nodes_single_node_from_blocks(blockchain_directory, blockchain_genesis_state, user_account_key_pair):
blockchain = FileBlockchain(base_directory=blockchain_directory)
blockchain.add_blockchain_state(blockchain_genesis_state)
blockchain.validate()
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['https://127.0.0.1:8555/'], fee_amount=3, signing_key=user_account_key_pair.private
)
node = request.message.node
assert node.identifier
block = Block.create_from_signed_change_request(blockchain, request, get_node_signing_key())
blockchain.add_block(block)
assert list(blockchain.yield_nodes()) == [node]
def test_can_create_node_declaration_signed_change_request(
user_account_key_pair):
request = NodeDeclarationSignedChangeRequest.create(
identifier='abcd',
network_addresses=['127.0.0.1'],
fee_amount=3,
fee_account='fake_fee_account',
signing_key=user_account_key_pair.private)
assert request
assert request.signer
assert request.signature
assert request.message
assert request.message.node.network_addresses == ['127.0.0.1']
assert request.message.node.fee_amount == 3
assert request.message.node.fee_account == 'fake_fee_account'
def test_create_node_declaration_block(memory_blockchain,
user_account_key_pair):
request = NodeDeclarationSignedChangeRequest.create(
identifier=hexstr('abcd'),
network_addresses=['127.0.0.1'],
fee_amount=3,
fee_account=hexstr('dcba'),
signing_key=user_account_key_pair.private)
block = Block.create_from_signed_change_request(memory_blockchain, request)
assert block
assert block.message.signed_change_request
assert block.message.signed_change_request.signer
assert block.message.signed_change_request.signature
assert block.message.signed_change_request.message
assert block.message.signed_change_request.message.node.network_addresses == [
'127.0.0.1'
]
assert block.message.signed_change_request.message.node.fee_amount == 3
assert block.message.signed_change_request.message.node.fee_account == hexstr(
'dcba')
def test_node_serializes_without_identifier_in_block(memory_blockchain,
user_account_key_pair):
account_number = user_account_key_pair.public
node = baker.make(Node, identifier=account_number)
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['https://192.168.0.34:8555/'],
fee_amount=3,
signing_key=user_account_key_pair.private)
block = Block.create_from_signed_change_request(memory_blockchain, request,
get_node_signing_key())
serialized = block.serialize_to_dict()
assert 'identifier' not in serialized['message']['updated_account_states'][
account_number]['node']
deserialized = Block.deserialize_from_dict(serialized)
deserialized_node = deserialized.message.updated_account_states[
account_number].node
assert deserialized_node is not node
assert deserialized_node.identifier == account_number
def test_can_get_self_node(forced_memory_blockchain, api_client):
blockchain = forced_memory_blockchain
signing_key = get_node_signing_key()
node_id = derive_public_key(signing_key)
node_declaration_request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['http://my.domain.com/'],
fee_amount=3,
signing_key=signing_key,
)
block = Block.create_from_signed_change_request(
blockchain,
signed_change_request=node_declaration_request,
pv_signing_key=signing_key,
)
blockchain.add_block(block)
response = api_client.get(f'{API_V1_NODES_PREFIX}/self/')
assert response.status_code == 200
data = response.json()
assert data['identifier'] == node_id
assert data['fee_amount'] == 3
def test_can_get_node(forced_memory_blockchain, api_client,
user_account_key_pair):
blockchain = forced_memory_blockchain
node_declaration_request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['http://my.domain.com/'],
fee_amount=3,
signing_key=user_account_key_pair.private,
)
block = Block.create_from_signed_change_request(
blockchain,
signed_change_request=node_declaration_request,
pv_signing_key=user_account_key_pair.private,
)
blockchain.add_block(block)
node = node_declaration_request.message.node
response = api_client.get(f'{API_V1_NODES_PREFIX}/{node.identifier}/')
assert response.status_code == 200
data = response.json()
assert data['identifier'] == node.identifier
assert data['fee_amount'] == 3
def test_can_get_nodes_from_complex_blockchain(blockchain_directory, blockchain_genesis_state):
key_pair1 = generate_key_pair()
key_pair2 = generate_key_pair()
key_pair3 = generate_key_pair()
key_pair4 = generate_key_pair()
key_pair5 = generate_key_pair()
key_pair6 = generate_key_pair()
assert len({
key_pair1.public, key_pair2.public, key_pair3.public, key_pair4.public, key_pair5.public, key_pair6.public
}) == 6
blockchain = FileBlockchain(base_directory=blockchain_directory)
node1 = baker.make(Node, network_addresses=['https://192.168.0.29:8555/'], identifier=key_pair1.public)
blockchain_genesis_state.account_states[node1.identifier] = AccountState(node=node1)
blockchain.add_blockchain_state(blockchain_genesis_state)
blockchain.validate()
# Block 0
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['https://192.168.0.30:8555/'], fee_amount=3, signing_key=key_pair2.private
)
node2 = request.message.node
blockchain.add_block(Block.create_from_signed_change_request(blockchain, request, get_node_signing_key()))
# Block 1
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['https://192.168.0.31:8555/'], fee_amount=3, signing_key=key_pair3.private
)
node3_old = request.message.node
blockchain.add_block(Block.create_from_signed_change_request(blockchain, request, get_node_signing_key()))
# Block 2
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['https://192.168.0.32:8555/'], fee_amount=3, signing_key=key_pair4.private
)
node4 = request.message.node
blockchain.add_block(Block.create_from_signed_change_request(blockchain, request, get_node_signing_key()))
def sort_key(value):
return value.network_addresses
def sort_me(list_):
return sorted(list_, key=sort_key)
assert sort_me(blockchain.yield_nodes(block_number=2)) == sort_me([node4, node3_old, node2, node1])
blockchain.snapshot_blockchain_state()
# Block 3
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['https://192.168.0.33:8555/'], fee_amount=3, signing_key=key_pair3.private
)
node3 = request.message.node
blockchain.add_block(Block.create_from_signed_change_request(blockchain, request, get_node_signing_key()))
# Block 4
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['https://192.168.0.34:8555/'], fee_amount=3, signing_key=key_pair5.private
)
node5 = request.message.node
blockchain.add_block(Block.create_from_signed_change_request(blockchain, request, get_node_signing_key()))
# Block 5
request = NodeDeclarationSignedChangeRequest.create(
network_addresses=['https://192.168.0.35:8555/'], fee_amount=3, signing_key=key_pair6.private
)
node6 = request.message.node
blockchain.add_block(Block.create_from_signed_change_request(blockchain, request, get_node_signing_key()))
assert sort_me(blockchain.yield_nodes()) == sort_me([node6, node5, node3, node4, node2, node1])
assert sort_me(blockchain.yield_nodes(block_number=5)) == sort_me([node6, node5, node3, node4, node2, node1])
assert sort_me(blockchain.yield_nodes(block_number=4)) == sort_me([node5, node3, node4, node2, node1])
assert sort_me(blockchain.yield_nodes(block_number=3)) == sort_me([node3, node4, node2, node1])
assert sort_me(blockchain.yield_nodes(block_number=2)) == sort_me([node4, node3_old, node2, node1])
assert sort_me(blockchain.yield_nodes(block_number=1)) == sort_me([node3_old, node2, node1])
assert sort_me(blockchain.yield_nodes(block_number=0)) == sort_me([node2, node1])
assert sort_me(blockchain.yield_nodes(block_number=-1)) == sort_me([node1])