def test_invalid_proofs_score_too_large():
testdb = create_reward_test_blockchain_database()
chain = TestnetChain(testdb,
private_keys[0].public_key.to_canonical_address(),
private_keys[0])
required_number_of_proofs_for_reward_type_2_proof = chain.get_consensus_db(
timestamp=Timestamp(int(
time.time()))).required_number_of_proofs_for_reward_type_2_proof
node_staking_scores = []
# First score/proof has a score too large
current_private_key = private_keys[1]
node_staking_score = NodeStakingScore(
recipient_node_wallet_address=private_keys[0].public_key.
to_canonical_address(),
score=int(1000001),
since_block_number=0,
timestamp=int(time.time()),
head_hash_of_sender_chain=chain.chaindb.get_canonical_head_hash(
current_private_key.public_key.to_canonical_address()),
v=0,
r=0,
s=0,
)
signed_node_staking_score = node_staking_score.get_signed(
current_private_key, TESTNET_NETWORK_ID)
node_staking_scores.append(signed_node_staking_score)
score = 1000000
for i in range(2, 10):
# Second score/proof is from instance 1
current_private_key = private_keys[i]
node_staking_score = NodeStakingScore(
recipient_node_wallet_address=private_keys[0].public_key.
to_canonical_address(),
score=int(score - i),
since_block_number=0,
timestamp=int(time.time()),
head_hash_of_sender_chain=chain.chaindb.get_canonical_head_hash(
current_private_key.public_key.to_canonical_address()),
v=0,
r=0,
s=0,
)
signed_node_staking_score = node_staking_score.get_signed(
current_private_key, TESTNET_NETWORK_ID)
node_staking_scores.append(signed_node_staking_score)
# Now we try to import the reward block with instance 0
reward_chain = TestnetChain(
testdb, private_keys[0].public_key.to_canonical_address(),
private_keys[0])
with pytest.raises(ValidationError):
reward_chain.import_current_queue_block_with_reward(
node_staking_scores)
def test_invalid_proofs_timestamp_in_past():
testdb = create_reward_test_blockchain_database()
chain = MainnetChain(testdb, private_keys[0].public_key.to_canonical_address(), private_keys[0])
min_time_between_blocks = chain.get_vm(timestamp=Timestamp(int(time.time()))).min_time_between_blocks
tx_list = [[private_keys[1], private_keys[0], to_wei(1, 'ether'), int(int(time.time())-min_time_between_blocks*10)]]
add_transactions_to_blockchain_db(testdb, tx_list)
chain = MainnetChain(testdb, private_keys[0].public_key.to_canonical_address(), private_keys[0])
required_number_of_proofs_for_reward_type_2_proof = chain.get_consensus_db(timestamp=Timestamp(int(time.time()))).required_number_of_proofs_for_reward_type_2_proof
node_staking_scores = []
# First score/proof with timestamp far in future
current_private_key = private_keys[1]
node_staking_score = NodeStakingScore(
recipient_node_wallet_address=private_keys[0].public_key.to_canonical_address(),
score=int(1000000),
since_block_number=0,
timestamp=int(time.time())-60*10,
head_hash_of_sender_chain=chain.chaindb.get_canonical_head_hash(
current_private_key.public_key.to_canonical_address()),
v=0,
r=0,
s=0,
)
signed_node_staking_score = node_staking_score.get_signed(current_private_key, MAINNET_NETWORK_ID)
node_staking_scores.append(signed_node_staking_score)
score = 100000
for i in range(2, 10):
# Second score/proof is from instance 1
current_private_key = private_keys[i]
node_staking_score = NodeStakingScore(
recipient_node_wallet_address=private_keys[0].public_key.to_canonical_address(),
score=int(score-i),
since_block_number=1,
timestamp=int(time.time()),
head_hash_of_sender_chain=chain.chaindb.get_canonical_head_hash(
current_private_key.public_key.to_canonical_address()),
v=0,
r=0,
s=0,
)
signed_node_staking_score = node_staking_score.get_signed(current_private_key, MAINNET_NETWORK_ID)
node_staking_scores.append(signed_node_staking_score)
# Now we try to import the reward block with instance 0
reward_chain = MainnetChain(testdb, private_keys[0].public_key.to_canonical_address(), private_keys[0])
with pytest.raises(ValidationError):
reward_chain.import_current_queue_block_with_reward(node_staking_scores)
def get_signed_peer_score(
self,
private_key: PrivateKey,
network_id: int,
peer_wallet_address: Address,
after_block_number: BlockNumber = None,
) -> NodeStakingScore:
this_node_wallet_address = private_key.public_key.to_canonical_address(
)
if after_block_number is None:
after_block_number = self.chaindb.get_latest_reward_block_number(
peer_wallet_address)
peer_node_health = self._get_peer_node_health(peer_wallet_address,
after_block_number)
# fields = [
# ('recipient_node_wallet_address', address),
# ('score', f_big_endian_int),
# ('since_block_number', f_big_endian_int),
# ('timestamp', f_big_endian_int),
# ('v', f_big_endian_int),
# ('r', f_big_endian_int),
# ('s', f_big_endian_int),
# ]
#need to get the time since the block.
try:
header = self.chaindb.get_canonical_block_header_by_number(
after_block_number, peer_wallet_address)
except HeaderNotFound:
raise ValueError(
"Cannot find previous block that is supposed to contain a stake reward"
)
since_timestamp = header.timestamp
time_since_last_specified_block = int(time.time()) - since_timestamp
score = self.calculate_node_staking_score(
peer_node_health.requests_sent, peer_node_health.failed_requests,
peer_node_health.average_response_time,
time_since_last_specified_block)
head_hash_of_local_chain = self.chaindb.get_canonical_head_hash(
this_node_wallet_address)
node_staking_score = NodeStakingScore(peer_wallet_address,
score,
after_block_number,
int(time.time()),
head_hash_of_local_chain,
v=0,
r=0,
s=0)
signed_node_staking_score = node_staking_score.get_signed(
private_key, network_id)
return signed_node_staking_score
def create_dev_test_random_blockchain_db_with_reward_blocks(base_db = None, num_iterations = 5):
# initialize db
if base_db == None:
base_db = MemoryDB()
create_dev_test_random_blockchain_database(base_db, timestamp = 'genesis')
node_1 = TestnetChain(base_db, TESTNET_GENESIS_PRIVATE_KEY.public_key.to_canonical_address(), TESTNET_GENESIS_PRIVATE_KEY)
MIN_TIME_BETWEEN_BLOCKS = node_1.get_vm(timestamp = Timestamp(int(time.time()))).min_time_between_blocks
chain_head_hashes = node_1.chain_head_db.get_head_block_hashes_list()
last_block_timestamp = 0
for head_hash in chain_head_hashes:
header = node_1.chaindb.get_block_header_by_hash(head_hash)
if header.timestamp > last_block_timestamp:
last_block_timestamp = header.timestamp
private_keys_dict = {}
for random_private_key in random_private_keys:
priv_key = keys.PrivateKey(random_private_key)
private_keys_dict[priv_key.public_key.to_address()] = priv_key
private_keys_dict[TESTNET_GENESIS_PRIVATE_KEY.public_key.to_address()] = TESTNET_GENESIS_PRIVATE_KEY
for i in range(num_iterations):
# random_int = random.randint(0,len(private_keys_dict)-1)
# numbers = [x in range(0, len(private_keys_dict)-1) if x != random_int]
# random_int = random.choice(numbers)
if i == 0:
numbers = [x for x in range(0, len(private_keys_dict) - 1)]
random_int = random.choice(numbers)
privkey = TESTNET_GENESIS_PRIVATE_KEY
receiver_privkey = private_keys_dict[list(private_keys_dict.keys())[random_int]]
else:
numbers = [x for x in range(0, len(private_keys_dict) - 1) if x != random_int]
random_int = random.choice(numbers)
privkey = receiver_privkey
receiver_privkey = private_keys_dict[list(private_keys_dict.keys())[random_int]]
tx_timestamp = last_block_timestamp + MIN_TIME_BETWEEN_BLOCKS+2
tx_list = [[privkey, receiver_privkey, 10000000*10**18-i*100000*10**18-random.randint(0,1000), tx_timestamp]]
add_transactions_to_blockchain_db(base_db, tx_list)
node_1 = TestnetChain(base_db, privkey.public_key.to_canonical_address(), privkey)
chain_head_hashes = node_1.chain_head_db.get_head_block_hashes_list()
reward_block_time = tx_timestamp + node_1.get_vm(timestamp = tx_timestamp).consensus_db.min_time_between_reward_blocks+ MIN_TIME_BETWEEN_BLOCKS+2+node_1.get_vm(timestamp = tx_timestamp).consensus_db.coin_mature_time_for_staking
# print('BBBBBBB')
# print(node_1.get_vm(timestamp=tx_timestamp).state.account_db.get_balance(receiver_privkey.public_key.to_canonical_address()))
# print(node_1.chaindb.get_mature_stake(receiver_privkey.public_key.to_canonical_address(), node_1.get_consensus_db(timestamp=tx_timestamp).coin_mature_time_for_staking, reward_block_time))
node_staking_scores = []
for head_hash in chain_head_hashes:
address = node_1.chaindb.get_chain_wallet_address_for_block_hash(head_hash)
if not (address == privkey.public_key.to_canonical_address()):
after_block_number = node_1.chaindb.get_latest_reward_block_number(privkey.public_key.to_canonical_address())
node_staking_score = NodeStakingScore(privkey.public_key.to_canonical_address(),
1,
after_block_number,
reward_block_time,
head_hash,
v=0,
r=0,
s=0)
signed_node_staking_score = node_staking_score.get_signed(private_keys_dict[encode_hex(address)], node_1.network_id)
node_staking_scores.append(signed_node_staking_score)
if len(node_staking_scores) >= node_1.get_consensus_db(timestamp = tx_timestamp).required_number_of_proofs_for_reward_type_2_proof:
# print('AAAAAAAAAAAA')
# print(len(node_staking_scores))
# print(node_1.get_consensus_db(timestamp = tx_timestamp).required_number_of_proofs_for_reward_type_2_proof)
reward_bundle = node_1.get_consensus_db(timestamp=tx_timestamp).create_reward_bundle_for_block(privkey.public_key.to_canonical_address(),
node_staking_scores,
reward_block_time)
valid_block = create_valid_block_at_timestamp(base_db, privkey, reward_bundle = reward_bundle, timestamp = reward_block_time)
assert(valid_block.header.timestamp == reward_block_time)
node_1.import_block(valid_block)
last_block_timestamp = reward_block_time
return base_db
def test_break_chronological_consistency_1():
testdb = create_reward_test_blockchain_database()
chain = MainnetChain(testdb, private_keys[1].public_key.to_canonical_address(), private_keys[1])
tx_nonce = chain.get_current_queue_block_nonce()
tx = chain.create_and_sign_transaction(nonce = tx_nonce,
gas_price=to_wei(1, 'gwei'),
gas=GAS_TX,
to=private_keys[0].public_key.to_canonical_address(),
value=1,
data=b"",
v=0,
r=0,
s=0
)
new_block_to_import = create_valid_block_at_timestamp(testdb,
private_keys[1],
transactions=[tx],
receive_transactions=None,
reward_bundle=None,
timestamp=int(time.time()-1))
chain = MainnetChain(testdb, private_keys[0].public_key.to_canonical_address(), private_keys[0])
node_staking_scores = []
score = 100000
for i in range(1, 10):
# Second score/proof is from instance 1
current_private_key = private_keys[i]
node_staking_score = NodeStakingScore(
recipient_node_wallet_address=private_keys[0].public_key.to_canonical_address(),
score=int(score-i),
since_block_number=0,
timestamp=int(time.time()),
head_hash_of_sender_chain=chain.chaindb.get_canonical_head_hash(
current_private_key.public_key.to_canonical_address()),
v=0,
r=0,
s=0,
)
signed_node_staking_score = node_staking_score.get_signed(current_private_key, MAINNET_NETWORK_ID)
node_staking_scores.append(signed_node_staking_score)
# Now we try to import the reward block with instance 0
reward_chain = MainnetChain(testdb, private_keys[0].public_key.to_canonical_address(), private_keys[0])
reward_block = reward_chain.import_current_queue_block_with_reward(node_staking_scores)
print("reward block timestamp {}".format(reward_block.header.timestamp))
for proof in reward_block.reward_bundle.reward_type_2.proof:
print(encode_hex(proof.sender))
for i in range(1, 10):
if proof.sender == private_keys[i].public_key.to_canonical_address():
print("proof from {}".format(i))
print("new_block_to_import timestamp {}".format(new_block_to_import.header.timestamp))
print("new_block_to_import chain address {}".format(encode_hex(new_block_to_import.header.chain_address)))
# Now we import a block on private key 1 with a timestamp set to 10 seconds ago
chain = MainnetChain(testdb, private_keys[1].public_key.to_canonical_address(), private_keys[1])
with pytest.raises(ReplacingBlocksNotAllowed):
chain.import_block(new_block_to_import, allow_replacement=False)
# test_break_chronological_consistency_1()
# exit()
def test_invalid_proofs_not_enough_stake():
testdb = MemoryDB()
chain = MainnetChain(testdb, GENESIS_PRIVATE_KEY.public_key.to_canonical_address(), GENESIS_PRIVATE_KEY)
coin_mature_time = chain.get_vm(timestamp=Timestamp(int(time.time()))).consensus_db.coin_mature_time_for_staking
min_time_between_blocks = chain.get_vm(timestamp=Timestamp(int(time.time()))).min_time_between_blocks
now = int(time.time())
start = now - max((coin_mature_time * 2), (min_time_between_blocks * 20))
key_balance_dict = {
private_keys[0]: (to_wei(1, 'ether'), start),
private_keys[1]: (to_wei(1, 'ether'), start + min_time_between_blocks * 1),
private_keys[2]: (to_wei(1, 'ether'), start + min_time_between_blocks * 2),
private_keys[3]: (to_wei(1, 'ether'), start + min_time_between_blocks * 3),
private_keys[4]: (to_wei(1, 'ether'), start + min_time_between_blocks * 4),
private_keys[5]: (to_wei(1, 'ether'), start + min_time_between_blocks * 5),
private_keys[6]: (to_wei(1, 'ether'), start + min_time_between_blocks * 6),
private_keys[7]: (to_wei(1, 'ether'), start + min_time_between_blocks * 7),
private_keys[8]: (to_wei(1, 'ether'), start + min_time_between_blocks * 8),
private_keys[9]: (to_wei(1, 'ether'), now - coin_mature_time + 1), # immature
}
create_dev_fixed_blockchain_database(testdb, key_balance_dict)
chain = MainnetChain(testdb, private_keys[0].public_key.to_canonical_address(), private_keys[0])
node_staking_scores = []
# First score/proof with timestamp far in future
current_private_key = private_keys[1]
node_staking_score = NodeStakingScore(
recipient_node_wallet_address=private_keys[0].public_key.to_canonical_address(),
score=int(1000000),
since_block_number=0,
timestamp=int(time.time())-60*10,
head_hash_of_sender_chain=chain.chaindb.get_canonical_head_hash(
current_private_key.public_key.to_canonical_address()),
v=0,
r=0,
s=0,
)
signed_node_staking_score = node_staking_score.get_signed(current_private_key, MAINNET_NETWORK_ID)
node_staking_scores.append(signed_node_staking_score)
score = 100000
for i in range(2, 10):
# Second score/proof is from instance 1
current_private_key = private_keys[i]
node_staking_score = NodeStakingScore(
recipient_node_wallet_address=private_keys[0].public_key.to_canonical_address(),
score=int(score-i),
since_block_number=1,
timestamp=int(time.time()),
head_hash_of_sender_chain=chain.chaindb.get_canonical_head_hash(
current_private_key.public_key.to_canonical_address()),
v=0,
r=0,
s=0,
)
signed_node_staking_score = node_staking_score.get_signed(current_private_key, MAINNET_NETWORK_ID)
node_staking_scores.append(signed_node_staking_score)
# Now we try to import the reward block with instance 0
reward_chain = MainnetChain(testdb, private_keys[0].public_key.to_canonical_address(), private_keys[0])
with pytest.raises(NotEnoughProofsOrStakeForRewardType2Proof):
reward_chain.import_current_queue_block_with_reward(node_staking_scores)
def _test_block_rewards_system():
#The genesis chain will be adding a reward block. We need to generate fake NodeStakingScores from a bunch of other
#nodes
# testdb = LevelDB('/home/tommy/.local/share/helios/instance_test/mainnet/chain/full/')
# testdb = JournalDB(testdb)
testdb = create_reward_test_blockchain_database()
chain = MainnetChain(testdb, GENESIS_PRIVATE_KEY.public_key.to_canonical_address(), GENESIS_PRIVATE_KEY)
coin_mature_time = chain.get_vm(timestamp=Timestamp(int(time.time()))).consensus_db.coin_mature_time_for_staking
min_time_between_blocks = chain.get_vm(timestamp=Timestamp(int(time.time()))).min_time_between_blocks
# now = int(time.time())
# start = now - max((coin_mature_time * 2), (min_time_between_blocks*20))
# key_balance_dict = {
# private_keys[0]: (to_wei(10, 'ether'), start),
# private_keys[1]: (to_wei(200, 'ether'), start + min_time_between_blocks * 1),
# private_keys[2]: (to_wei(340, 'ether'), start + min_time_between_blocks * 2),
# private_keys[3]: (to_wei(1000, 'ether'), start + min_time_between_blocks * 3),
# private_keys[4]: (to_wei(1400, 'ether'), start + min_time_between_blocks * 4),
# private_keys[5]: (to_wei(2400, 'ether'), start + min_time_between_blocks * 5),
# private_keys[6]: (to_wei(3000, 'ether'), start + min_time_between_blocks * 6),
# private_keys[7]: (to_wei(4000, 'ether'), start + min_time_between_blocks * 7),
# private_keys[8]: (to_wei(1000, 'ether'), start + min_time_between_blocks * 8),
# private_keys[9]: (to_wei(10000, 'ether'), now-coin_mature_time+1),# immature
# }
# create_dev_fixed_blockchain_database(testdb, key_balance_dict)
chain = MainnetChain(testdb, GENESIS_PRIVATE_KEY.public_key.to_canonical_address(), GENESIS_PRIVATE_KEY)
# class NodeStakingScore(rlp.Serializable, metaclass=ABCMeta):
# fields = [
# ('recipient_node_wallet_address', address),
# ('score', f_big_endian_int),
# ('since_block_number', f_big_endian_int),
# ('timestamp', f_big_endian_int),
# ('v', big_endian_int),
# ('r', big_endian_int),
# ('s', big_endian_int),
# ]
node_staking_scores = []
score = 1000000
for private_key in private_keys:
node_staking_score = NodeStakingScore(recipient_node_wallet_address = GENESIS_PRIVATE_KEY.public_key.to_canonical_address(),
score = int(score),
since_block_number = 0,
timestamp = int(time.time()),
head_hash_of_sender_chain = chain.chaindb.get_canonical_head_hash(private_key.public_key.to_canonical_address()),
v = 0,
r = 0,
s = 0,
)
signed_node_staking_score = node_staking_score.get_signed(private_key,MAINNET_NETWORK_ID)
node_staking_scores.append(signed_node_staking_score)
score = score/5
chain = MainnetChain(testdb, GENESIS_PRIVATE_KEY.public_key.to_canonical_address(), GENESIS_PRIVATE_KEY)
node_staking_scores.sort(key=lambda x: -1* x.score)
for node_staking_score in node_staking_scores:
node_staking_score.validate()
print(node_staking_score.is_signature_valid)
print(node_staking_score.sender)
print(node_staking_score.score, chain.get_mature_stake(node_staking_score.sender, node_staking_score.timestamp))
reward_bundle = chain.get_consensus_db().create_reward_bundle_for_block(GENESIS_PRIVATE_KEY.public_key.to_canonical_address(), node_staking_scores, at_timestamp = int(time.time()))
chain.get_consensus_db().validate_reward_bundle(reward_bundle, GENESIS_PRIVATE_KEY.public_key.to_canonical_address(), int(time.time()))
print('AAAAAAAAAAA')
print(reward_bundle.reward_type_1.amount)
print(reward_bundle.reward_type_2.amount)
print(reward_bundle.reward_type_2.proof[0].score)
initial_balance = chain.get_vm().state.account_db.get_balance(GENESIS_PRIVATE_KEY.public_key.to_canonical_address())
print("balance before reward = ", initial_balance)
chain.import_current_queue_block_with_reward(reward_bundle.reward_type_2.proof)
final_balance = chain.get_vm().state.account_db.get_balance(GENESIS_PRIVATE_KEY.public_key.to_canonical_address())
print("balance after reward = ",final_balance)
assert((reward_bundle.reward_type_1.amount + reward_bundle.reward_type_2.amount) == (final_balance- initial_balance))
print("waiting {} seconds before importing the next block".format(min_time_between_blocks))
time.sleep(min_time_between_blocks)
proof_chain = MainnetChain(testdb, private_keys[1].public_key.to_canonical_address(), private_keys[1])
mature_stake = proof_chain.get_mature_stake()
print("proof chain mature stake")
print(mature_stake)
staking_score = proof_chain.get_signed_peer_score_string_private_key(private_keys[1].to_bytes(), private_keys[0].public_key.to_canonical_address())
staking_score = staking_score.copy(score=1532)
staking_score = staking_score.get_signed(private_keys[1], proof_chain.network_id)
print('staking score')
print(staking_score.score)
# fields = [
# ('recipient_node_wallet_address', address),
# ('score', f_big_endian_int), # a score out of 1,000,000
# ('since_block_number', f_big_endian_int),
# ('timestamp', f_big_endian_int),
# ('head_hash_of_sender_chain', hash32),
# ('v', big_endian_int),
# ('r', big_endian_int),
# ('s', big_endian_int),
# ]
#
reward_chain = MainnetChain(testdb, private_keys[0].public_key.to_canonical_address(), private_keys[0])
reward_bundle = reward_chain.get_consensus_db().create_reward_bundle_for_block(private_keys[0].public_key.to_canonical_address(), [staking_score],at_timestamp=Timestamp(int(time.time())))
print("reward type 2 amount")
print(reward_bundle.reward_type_2.amount)
print("reward type 2 proof")
print(reward_bundle.reward_type_2.proof)
reward_chain.import_current_queue_block_with_reward([staking_score])
# todo: this will fail if the reward block time is too long. Need to manually set it to a small number for the test... or manually make the blocks older?
print("waiting {} seconds before importing the next block".format(min_time_between_blocks))
time.sleep(min_time_between_blocks)
proof_chain = MainnetChain(testdb, private_keys[1].public_key.to_canonical_address(), private_keys[1])
mature_stake = proof_chain.get_mature_stake()
print("proof chain mature stake")
print(mature_stake)
staking_score = proof_chain.get_signed_peer_score_string_private_key(private_keys[1].to_bytes(), private_keys[
0].public_key.to_canonical_address())
staking_score = staking_score.copy(score=1000000)
staking_score = staking_score.get_signed(private_keys[1], proof_chain.network_id)
print('staking score')
print(staking_score.score)
# fields = [
# ('recipient_node_wallet_address', address),
# ('score', f_big_endian_int), # a score out of 1,000,000
# ('since_block_number', f_big_endian_int),
# ('timestamp', f_big_endian_int),
# ('head_hash_of_sender_chain', hash32),
# ('v', big_endian_int),
# ('r', big_endian_int),
# ('s', big_endian_int),
# ]
#
reward_chain = MainnetChain(testdb, private_keys[0].public_key.to_canonical_address(), private_keys[0])
reward_bundle = reward_chain.get_consensus_db().create_reward_bundle_for_block(
private_keys[0].public_key.to_canonical_address(), [staking_score], at_timestamp=Timestamp(int(time.time())))
print("reward type 2 amount")
print(reward_bundle.reward_type_2.amount)
print("reward type 2 proof")
print(reward_bundle.reward_type_2.proof)
reward_chain.import_current_queue_block_with_reward([staking_score])