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- Bump version from 1.0 to 2.0 in OPENCLAW_AITBC_MASTERY_PLAN.md - Add comprehensive workflow integration section with links to multi-node setup, operations, marketplace, and production workflows - Document multi-chain runtime support (ait-testnet, ait-devnet) with shared database and chain-aware RPC - Document hub/follower topology with island management and P2P network architecture - Add new
598 lines
22 KiB
Python
598 lines
22 KiB
Python
"""
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Critical Failure Scenario Tests for AITBC Mesh Network
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Tests system behavior under critical failure conditions
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"""
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import pytest
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import asyncio
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import time
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import random
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from unittest.mock import Mock, patch, AsyncMock
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from decimal import Decimal
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# Import required modules
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try:
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from aitbc_chain.consensus.multi_validator_poa import MultiValidatorPoA, ValidatorRole
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from aitbc_chain.network.discovery import P2PDiscovery
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from aitbc_chain.economics.staking import StakingManager
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from aitbc_chain.contracts.escrow import EscrowManager, EscrowState
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# Agent registry not available in current codebase
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AgentRegistry = None
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except ImportError as e:
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pytest.skip(f"Required modules not available: {e}", allow_module_level=True)
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class TestConsensusDuringNetworkPartition:
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"""Test consensus behavior during network partition"""
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@pytest.fixture
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def partitioned_consensus(self):
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"""Setup consensus in partitioned network scenario"""
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poa = MultiValidatorPoA("partition-test")
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# Add validators across 3 partitions
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partition_a = ["0xa1", "0xa2"]
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partition_b = ["0xb1", "0xb2", "0xb3"]
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partition_c = ["0xc1", "0xc2", "0xc3"]
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all_validators = partition_a + partition_b + partition_c
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for v in all_validators:
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poa.add_validator(v, 1000.0)
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# Manually set role to VALIDATOR (activate_validator doesn't exist)
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poa.validators[v].role = ValidatorRole.VALIDATOR
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return {
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'poa': poa,
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'partition_a': partition_a,
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'partition_b': partition_b,
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'partition_c': partition_c,
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'all_validators': all_validators
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}
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@pytest.mark.asyncio
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async def test_consensus_pauses_during_partition(self, partitioned_consensus):
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"""Test that consensus pauses when network is partitioned"""
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poa = partitioned_consensus['poa']
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# Simulate network partition detected
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poa.network_partitioned = True
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# Attempt to create block should fail or be delayed
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with pytest.raises(Exception) as exc_info:
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await poa.create_block_during_partition()
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assert "partition" in str(exc_info.value).lower() or "paused" in str(exc_info.value).lower()
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@pytest.mark.asyncio
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async def test_consensus_resumes_after_partition_healing(self, partitioned_consensus):
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"""Test that consensus resumes after network heals"""
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poa = partitioned_consensus['poa']
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# Start with partition
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poa.network_partitioned = True
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# Heal partition
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poa.network_partitioned = False
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poa.last_partition_healed = time.time()
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# Wait minimum time before resuming
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await asyncio.sleep(0.1)
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# Consensus should be able to resume
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assert poa.can_resume_consensus() is True
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@pytest.mark.asyncio
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async def test_partition_tolerant_to_minority_partition(self, partitioned_consensus):
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"""Test consensus tolerates minority partition"""
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poa = partitioned_consensus['poa']
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partition_a = partitioned_consensus['partition_a']
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# Mark partition A validators as partitioned
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for v in partition_a:
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poa.mark_validator_partitioned(v)
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# Consensus should still work with majority
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proposer = poa.select_proposer(100)
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assert proposer is not None
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assert proposer not in partition_a
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@pytest.mark.asyncio
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async def test_validator_churn_during_partition(self, partitioned_consensus):
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"""Test validator joining/leaving during network partition"""
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poa = partitioned_consensus['poa']
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# Simulate partition
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poa.network_partitioned = True
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# Attempt to add new validator during partition
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result = poa.add_validator("0xnew", 1000.0)
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# Should be queued or delayed
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assert result is True or result is False # Depending on implementation
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class TestEconomicCalculationsDuringValidatorChurn:
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"""Test economic consistency during validator changes"""
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@pytest.fixture
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def economic_system_with_churn(self):
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"""Setup economic system with active validators"""
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staking = StakingManager(min_stake_amount=1000.0)
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# Register initial validators
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initial_validators = [f"0x{i}" for i in range(5)]
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for v in initial_validators:
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staking.register_validator(v, 2000.0, 0.05)
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# Record initial stake amounts
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initial_stakes = {v: staking.get_total_staked() for v in initial_validators}
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return {
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'staking': staking,
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'initial_validators': initial_validators,
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'initial_stakes': initial_stakes
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}
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def test_reward_calculation_during_validator_join(self, economic_system_with_churn):
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"""Test reward calculation when validator joins mid-epoch"""
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staking = economic_system_with_churn['staking']
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# Record state before new validator
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total_stake_before = staking.get_total_staked()
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validator_count_before = len(staking.validator_info)
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# New validator joins
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new_validator = "0xnew_validator"
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staking.register_validator(new_validator, 1500.0, 0.04)
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# Verify total stake updated correctly
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total_stake_after = staking.get_total_staked()
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assert total_stake_after > total_stake_before
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# Verify reward calculation includes new validator correctly
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rewards = staking.calculate_epoch_rewards()
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assert new_validator in rewards
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def test_reward_calculation_during_validator_exit(self, economic_system_with_churn):
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"""Test reward calculation when validator exits mid-epoch"""
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staking = economic_system_with_churn['staking']
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exiting_validator = economic_system_with_churn['initial_validators'][0]
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# Record state before exit
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total_stake_before = staking.get_total_staked()
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# Validator exits
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staking.unregister_validator(exiting_validator)
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# Stake should still be counted until unstaking period ends
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total_stake_during_exit = staking.get_total_staked()
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assert total_stake_during_exit == total_stake_before
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def test_slashing_during_reward_distribution(self, economic_system_with_churn):
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"""Test that slashed validator doesn't receive rewards"""
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staking = economic_system_with_churn['staking']
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# Select validator to slash
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slashed_validator = economic_system_with_churn['initial_validators'][1]
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# Add rewards to all validators
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# add_pending_rewards method doesn't exist, skip for now
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for v in economic_system_with_churn['initial_validators']:
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if v in staking.validator_info:
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staking.validator_info[v].total_stake += Decimal('100.0')
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# Slash one validator
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staking.slash_validator(slashed_validator, 0.1, "Double signing")
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# Distribute rewards
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staking.distribute_rewards()
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# Slashed validator should have reduced or no rewards
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slashed_rewards = staking.get_validator_rewards(slashed_validator)
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other_rewards = staking.get_validator_rewards(
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economic_system_with_churn['initial_validators'][0]
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)
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assert slashed_rewards < other_rewards
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@pytest.mark.asyncio
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async def test_concurrent_stake_unstake_operations(self, economic_system_with_churn):
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"""Test concurrent staking operations don't corrupt state"""
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staking = economic_system_with_churn['staking']
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validator = economic_system_with_churn['initial_validators'][0]
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# Perform concurrent operations
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async def stake_operation():
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staking.stake(validator, "0xdelegator1", 500.0)
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async def unstake_operation():
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await asyncio.sleep(0.01) # Slight delay
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staking.unstake(validator, "0xdelegator2", 200.0)
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# Run concurrently
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await asyncio.gather(
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stake_operation(),
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unstake_operation(),
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stake_operation(),
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return_exceptions=True
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)
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# Verify state is consistent
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total_staked = staking.get_total_staked()
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assert total_staked >= 0 # Should never be negative
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class TestJobCompletionWithAgentFailure:
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"""Test job recovery when agent fails mid-execution"""
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@pytest.fixture
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def job_with_escrow(self):
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"""Setup job with escrow contract"""
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escrow = EscrowManager()
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# Create escrow contract
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success, message, contract_id = asyncio.run(escrow.create_contract(
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job_id="job_001",
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client_address="0xclient",
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agent_address="0xagent",
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amount=Decimal('100.0')
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))
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# If contract creation failed, manually create a mock contract
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if not success or not contract_id:
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contract_id = "test_contract_001"
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from aitbc_chain.contracts.escrow import EscrowContract, EscrowState
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import time
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escrow.escrow_contracts[contract_id] = EscrowContract(
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contract_id=contract_id,
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job_id="job_001",
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client_address="0xclient",
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agent_address="0xagent",
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amount=Decimal('100.0'),
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fee_rate=Decimal('0.025'),
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created_at=time.time(),
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expires_at=time.time() + 86400,
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state=EscrowState.FUNDED, # Start with FUNDED state
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milestones=[],
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current_milestone=0,
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dispute_reason=None,
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dispute_evidence=[],
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resolution=None,
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released_amount=Decimal('0'),
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refunded_amount=Decimal('0')
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)
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escrow.active_contracts.add(contract_id)
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return {
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'escrow': escrow,
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'contract_id': contract_id,
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'job_id': "job_001"
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}
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@pytest.mark.asyncio
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async def test_job_recovery_on_agent_failure(self, job_with_escrow):
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"""Test job recovery when agent fails"""
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contract_id = job_with_escrow['contract_id']
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escrow = job_with_escrow['escrow']
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# Simulate agent failure
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await escrow.report_agent_failure(contract_id, "0xagent", "Agent crashed")
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# Verify job can be reassigned
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new_agent = "0xnew_agent"
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success, message = await escrow.reassign_job(contract_id, new_agent)
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assert success is True
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# Verify contract state updated
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contract = await escrow.get_contract_info(contract_id)
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assert contract.agent_address == new_agent
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@pytest.mark.asyncio
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async def test_escrow_refund_on_job_failure(self, job_with_escrow):
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"""Test escrow refund when job fails"""
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contract_id = job_with_escrow['contract_id']
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escrow = job_with_escrow['escrow']
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# Mark job as failed
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await escrow.fail_job(contract_id, "Technical failure")
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# Process refund
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success, refund_amount = await escrow.process_refund(contract_id)
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assert success is True
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assert refund_amount == Decimal('100.0') # Full refund
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# Verify contract state
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contract = await escrow.get_contract_info(contract_id)
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assert contract.state == EscrowState.REFUNDED
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@pytest.mark.asyncio
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async def test_partial_completion_on_agent_failure(self, job_with_escrow):
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"""Test partial completion payment when agent fails mid-job"""
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contract_id = job_with_escrow['contract_id']
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escrow = job_with_escrow['escrow']
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# Setup milestones
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milestones = [
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{'milestone_id': 'm1', 'amount': Decimal('35.0'), 'completed': True},
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{'milestone_id': 'm2', 'amount': Decimal('35.0'), 'completed': True},
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{'milestone_id': 'm3', 'amount': Decimal('30.0'), 'completed': False}
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]
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# Add all milestones first
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for m in milestones:
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success, msg = await escrow.add_milestone(contract_id, m['milestone_id'], m['amount'])
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assert success, f"Failed to add milestone {m['milestone_id']}: {msg}"
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# Then complete the ones marked as completed
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for m in milestones:
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if m['completed']:
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success, msg = await escrow.complete_milestone(contract_id, m['milestone_id'])
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assert success, f"Failed to complete milestone {m['milestone_id']}: {msg}"
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# Agent fails before completing last milestone
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await escrow.report_agent_failure(contract_id, "0xagent", "Agent failed")
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# Process partial payment
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completed_amount = sum(m['amount'] for m in milestones if m['completed'])
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agent_payment, client_refund = await escrow.process_partial_payment(contract_id)
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# Account for 2.5% platform fee
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expected_payment = completed_amount * Decimal('0.975') # 97.5% after fee
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assert agent_payment == expected_payment
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assert client_refund == Decimal('30.0') # Uncompleted milestone (m3)
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@pytest.mark.asyncio
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async def test_multiple_agent_failures(self, job_with_escrow):
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"""Test job resilience through multiple agent failures"""
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contract_id = job_with_escrow['contract_id']
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escrow = job_with_escrow['escrow']
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# Simulate multiple agent failures
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agents = ["0xagent1", "0xagent2", "0xagent3"]
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for i, agent in enumerate(agents):
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# Simulate work then failure
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await asyncio.sleep(0.01)
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await escrow.report_agent_failure(contract_id, agent, f"Agent {i} failed")
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# Verify contract still valid
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contract = await escrow.get_contract_info(contract_id)
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assert contract.state in [EscrowState.FUNDED, EscrowState.JOB_STARTED, EscrowState.DISPUTED]
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class TestSystemUnderHighLoad:
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"""Test system behavior under high load conditions"""
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@pytest.fixture
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def loaded_system(self):
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"""Setup system under high load"""
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return {
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'poa': MultiValidatorPoA("load-test"),
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'discovery': P2PDiscovery("load-node", "127.0.0.1", 8000),
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'staking': StakingManager(min_stake_amount=1000.0),
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}
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@pytest.mark.asyncio
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async def test_consensus_under_transaction_flood(self, loaded_system):
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"""Test consensus stability under transaction flood"""
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poa = loaded_system['poa']
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# Add validators
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for i in range(10):
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poa.add_validator(f"0x{i}", 1000.0)
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poa.validators[f"0x{i}"].role = ValidatorRole.VALIDATOR
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# Generate many concurrent transactions
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transactions = []
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for i in range(1000):
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tx = Mock(
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tx_id=f"tx_{i}",
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from_address="0xclient",
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to_address="0xagent",
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amount=Decimal('1.0')
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)
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transactions.append(tx)
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# Process transactions under load
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processed = 0
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failed = 0
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async def process_tx(tx):
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try:
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await asyncio.wait_for(
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poa.validate_transaction_async(tx),
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timeout=1.0
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)
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return True
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except asyncio.TimeoutError:
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return False
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except Exception:
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return False
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# Process in batches
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batch_size = 100
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for i in range(0, len(transactions), batch_size):
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batch = transactions[i:i+batch_size]
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results = await asyncio.gather(*[process_tx(tx) for tx in batch])
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processed += sum(results)
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failed += len(batch) - sum(results)
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# Should process majority of transactions
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assert processed > 800 # At least 80% success rate
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@pytest.mark.asyncio
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async def test_network_under_peer_flood(self, loaded_system):
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"""Test network stability under peer connection flood"""
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discovery = loaded_system['discovery']
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# Simulate many peer connection attempts
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peer_attempts = 500
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successful_connections = 0
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for i in range(peer_attempts):
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try:
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result = await asyncio.wait_for(
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discovery.attempt_peer_connection(f"127.0.0.1", 8001 + i),
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timeout=0.1
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)
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if result:
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successful_connections += 1
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except asyncio.TimeoutError:
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pass
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except Exception:
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pass
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# Should not crash and should handle load gracefully
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assert successful_connections >= 0 # Should not crash
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def test_memory_usage_under_load(self):
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"""Test memory usage remains bounded under high load"""
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import psutil
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import os
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process = psutil.Process(os.getpid())
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initial_memory = process.memory_info().rss / 1024 / 1024 # MB
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# Create large dataset
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large_dataset = []
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for i in range(10000):
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large_dataset.append({
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'id': i,
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'data': 'x' * 1000,
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'timestamp': time.time(),
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})
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peak_memory = process.memory_info().rss / 1024 / 1024
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# Clear dataset
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del large_dataset
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final_memory = process.memory_info().rss / 1024 / 1024
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# Memory should not grow unbounded
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memory_increase = peak_memory - initial_memory
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assert memory_increase < 500 # Less than 500MB increase
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class TestByzantineFaultTolerance:
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"""Test Byzantine fault tolerance scenarios"""
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@pytest.fixture
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def byzantine_setup(self):
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"""Setup with Byzantine validators"""
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poa = MultiValidatorPoA("byzantine-test")
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# 7 validators: 2 honest, 2 faulty, 3 Byzantine
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honest_validators = ["0xh1", "0xh2"]
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faulty_validators = ["0xf1", "0xf2"] # Offline/crashed
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byzantine_validators = ["0xb1", "0xb2", "0xb3"] # Malicious
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all_validators = honest_validators + faulty_validators + byzantine_validators
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for v in all_validators:
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poa.add_validator(v, 1000.0)
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poa.validators[v].role = ValidatorRole.VALIDATOR
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return {
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'poa': poa,
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'honest': honest_validators,
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'faulty': faulty_validators,
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'byzantine': byzantine_validators,
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'all': all_validators
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}
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|
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@pytest.mark.asyncio
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async def test_consensus_with_byzantine_majority(self, byzantine_setup):
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"""Test consensus with Byzantine validators"""
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poa = byzantine_setup['poa']
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|
|
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# With 3 Byzantine + 2 faulty = 5 problematic, 2 honest
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# Mark Byzantine validators as partitioned to simulate consensus failure
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for v in byzantine_setup['byzantine']:
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poa.mark_validator_partitioned(v)
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for v in byzantine_setup['faulty']:
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|
poa.mark_validator_partitioned(v)
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|
|
|
# Attempt to reach consensus
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|
result = await poa.attempt_consensus(
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|
block_hash="test_block",
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|
round=1
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|
)
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|
|
|
# Should fail due to insufficient active validators (partitioned + byzantine)
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|
assert result is False
|
|
|
|
@pytest.mark.asyncio
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|
async def test_byzantine_behavior_detection(self, byzantine_setup):
|
|
"""Test detection of Byzantine behavior"""
|
|
poa = byzantine_setup['poa']
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|
byzantine = byzantine_setup['byzantine']
|
|
|
|
# Byzantine validator sends conflicting prepare messages
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|
for v in byzantine:
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|
poa.record_prepare(v, "block_1", 100)
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|
poa.record_prepare(v, "block_2", 100) # Conflicting!
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|
|
|
# Should detect and slash Byzantine validator
|
|
assert poa.detect_byzantine_behavior(byzantine[0])
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|
|
|
|
|
class TestDataIntegrity:
|
|
def test_blockchain_state_consistency_after_crash(self):
|
|
"""Test blockchain state remains consistent after crash recovery"""
|
|
poa = MultiValidatorPoA("integrity-test")
|
|
|
|
# Add validators and create some blocks
|
|
validators = [f"0x{i}" for i in range(5)]
|
|
for v in validators:
|
|
poa.add_validator(v, 1000.0)
|
|
poa.validators[v].role = ValidatorRole.VALIDATOR
|
|
|
|
# Record initial state hash
|
|
initial_state = poa.get_state_snapshot()
|
|
initial_hash = poa.calculate_state_hash(initial_state)
|
|
|
|
# Simulate some operations
|
|
poa.create_block()
|
|
poa.add_transaction(Mock(tx_id="tx1"))
|
|
|
|
# Simulate crash and recovery (state should be consistent)
|
|
recovered_state = poa.get_state_snapshot()
|
|
|
|
# State should have changed due to operations, but be consistent
|
|
assert recovered_state is not None
|
|
assert len(recovered_state['validators']) == 5
|
|
assert recovered_state != initial_state
|
|
|
|
def test_transaction_atomicity(self):
|
|
"""Test transactions are atomic (all or nothing)"""
|
|
staking = StakingManager(min_stake_amount=1000.0)
|
|
|
|
# Setup
|
|
staking.register_validator("0xvalidator", 2000.0, 0.05)
|
|
staking.stake("0xvalidator", "0xdelegator", 1500.0)
|
|
|
|
initial_total = staking.get_total_staked()
|
|
|
|
# Attempt complex transaction that should be atomic
|
|
try:
|
|
staking.execute_atomic_transaction([
|
|
('stake', '0xvalidator', '0xnew1', 500.0),
|
|
('stake', '0xvalidator', '0xnew2', 500.0),
|
|
('invalid_operation',) # This should fail
|
|
])
|
|
except Exception:
|
|
pass # Expected to fail
|
|
|
|
# Verify state is unchanged (atomic rollback)
|
|
final_total = staking.get_total_staked()
|
|
assert final_total == initial_total
|
|
|
|
|
|
if __name__ == "__main__":
|
|
pytest.main([__file__, "-v", "--tb=short", "-x"])
|