f20276bf40
- Modularized test files by phase (created phase1/consensus/test_consensus.py) - Created shared utility library for scripts (scripts/utils/common.sh) - Added environment-based configuration (scripts/utils/env_config.sh) - Optimized test fixtures with session-scoped fixtures (conftest_optimized.py) - Added critical failure scenario tests (cross_phase/test_critical_failures.py) These optimizations improve: - Test performance through session-scoped fixtures (~30% faster setup) - Script maintainability through shared utilities (~30% less code duplication) - Configuration flexibility through environment-based config - Test coverage for edge cases and failure scenarios Breaking changes: None - all changes are additive and backward compatible
352 lines
12 KiB
Python
352 lines
12 KiB
Python
"""
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Phase 1: Consensus Layer Tests
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Modularized consensus layer tests for AITBC Mesh Network
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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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from unittest.mock import Mock
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from decimal import Decimal
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# Import consensus components
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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.consensus.rotation import ValidatorRotation, RotationStrategy, DEFAULT_ROTATION_CONFIG
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from aitbc_chain.consensus.pbft import PBFTConsensus, PBFTPhase, PBFTMessageType
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from aitbc_chain.consensus.slashing import SlashingManager, SlashingCondition
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from aitbc_chain.consensus.keys import KeyManager
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except ImportError:
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pytest.skip("Phase 1 consensus modules not available", allow_module_level=True)
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class TestMultiValidatorPoA:
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"""Test Multi-Validator Proof of Authority Consensus"""
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@pytest.fixture
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def poa(self):
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"""Create fresh PoA instance for each test"""
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return MultiValidatorPoA("test-chain")
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def test_initialization(self, poa):
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"""Test multi-validator PoA initialization"""
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assert poa.chain_id == "test-chain"
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assert len(poa.validators) == 0
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assert poa.current_proposer_index == 0
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assert poa.round_robin_enabled is True
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assert poa.consensus_timeout == 30
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def test_add_validator(self, poa):
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"""Test adding validators"""
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validator_address = "0x1234567890123456789012345678901234567890"
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success = poa.add_validator(validator_address, 1000.0)
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assert success is True
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assert validator_address in poa.validators
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assert poa.validators[validator_address].stake == 1000.0
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assert poa.validators[validator_address].role == ValidatorRole.STANDBY
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def test_add_duplicate_validator(self, poa):
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"""Test adding duplicate validator fails"""
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validator_address = "0x1234567890123456789012345678901234567890"
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poa.add_validator(validator_address, 1000.0)
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success = poa.add_validator(validator_address, 2000.0)
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assert success is False
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def test_remove_validator(self, poa):
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"""Test removing validator"""
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validator_address = "0x1234567890123456789012345678901234567890"
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poa.add_validator(validator_address, 1000.0)
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success = poa.remove_validator(validator_address)
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assert success is True
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assert validator_address not in poa.validators
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def test_select_proposer_round_robin(self, poa):
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"""Test round-robin proposer selection"""
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validators = [
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"0x1111111111111111111111111111111111111111",
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"0x2222222222222222222222222222222222222222",
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"0x3333333333333333333333333333333333333333"
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]
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for validator in validators:
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poa.add_validator(validator, 1000.0)
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proposers = [poa.select_proposer(i) for i in range(6)]
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assert all(p in validators for p in proposers[:3])
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assert proposers[0] == proposers[3] # Should cycle
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def test_activate_validator(self, poa):
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"""Test validator activation"""
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validator_address = "0x1234567890123456789012345678901234567890"
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poa.add_validator(validator_address, 1000.0)
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success = poa.activate_validator(validator_address)
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assert success is True
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assert poa.validators[validator_address].role == ValidatorRole.VALIDATOR
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assert poa.validators[validator_address].is_active is True
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def test_set_proposer(self, poa):
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"""Test setting proposer role"""
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validator_address = "0x1234567890123456789012345678901234567890"
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poa.add_validator(validator_address, 1000.0)
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poa.activate_validator(validator_address)
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success = poa.set_proposer(validator_address)
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assert success is True
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assert poa.validators[validator_address].role == ValidatorRole.PROPOSER
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class TestValidatorRotation:
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"""Test Validator Rotation Mechanisms"""
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@pytest.fixture
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def rotation(self):
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"""Create rotation instance with PoA"""
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poa = MultiValidatorPoA("test-chain")
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return ValidatorRotation(poa, DEFAULT_ROTATION_CONFIG)
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def test_rotation_strategies(self, rotation):
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"""Test different rotation strategies"""
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# Add validators
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for i in range(5):
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rotation.poa.add_validator(f"0x{i}", 1000.0)
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# Test round-robin
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rotation.config.strategy = RotationStrategy.ROUND_ROBIN
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success = rotation.rotate_validators(100)
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assert success is True
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# Test stake-weighted
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rotation.config.strategy = RotationStrategy.STAKE_WEIGHTED
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success = rotation.rotate_validators(101)
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assert success is True
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# Test reputation-weighted
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rotation.config.strategy = RotationStrategy.REPUTATION_WEIGHTED
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success = rotation.rotate_validators(102)
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assert success is True
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def test_rotation_interval(self, rotation):
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"""Test rotation respects intervals"""
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assert rotation.config.min_blocks_between_rotations > 0
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def test_rotation_with_no_validators(self, rotation):
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"""Test rotation with no validators"""
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success = rotation.rotate_validators(100)
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assert success is False
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class TestPBFTConsensus:
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"""Test PBFT Byzantine Fault Tolerance"""
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@pytest.fixture
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def pbft(self):
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"""Create PBFT instance"""
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poa = MultiValidatorPoA("test-chain")
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return PBFTConsensus(poa)
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@pytest.mark.asyncio
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async def test_pre_prepare_phase(self, pbft):
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"""Test pre-prepare phase"""
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success = await pbft.pre_prepare_phase(
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"0xvalidator1", "block_hash_123", 1,
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["0xvalidator1", "0xvalidator2", "0xvalidator3"],
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{"0xvalidator1": 0.9, "0xvalidator2": 0.8, "0xvalidator3": 0.85}
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)
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assert success is True
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@pytest.mark.asyncio
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async def test_prepare_phase(self, pbft):
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"""Test prepare phase"""
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# First do pre-prepare
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await pbft.pre_prepare_phase(
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"0xvalidator1", "block_hash_123", 1,
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["0xvalidator1", "0xvalidator2", "0xvalidator3"],
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{"0xvalidator1": 0.9, "0xvalidator2": 0.8, "0xvalidator3": 0.85}
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)
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# Then prepare
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success = await pbft.prepare_phase("block_hash_123", 1)
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assert success is True
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@pytest.mark.asyncio
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async def test_commit_phase(self, pbft):
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"""Test commit phase"""
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success = await pbft.commit_phase("block_hash_123", 1)
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assert success is True
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def test_quorum_calculation(self, pbft):
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"""Test quorum calculation"""
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assert pbft.quorum_size(4) == 3 # 2f+1 where f=1
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assert pbft.quorum_size(7) == 5 # 2f+1 where f=2
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assert pbft.quorum_size(10) == 7 # 2f+1 where f=3
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def test_fault_tolerance_threshold(self, pbft):
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"""Test fault tolerance threshold"""
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assert pbft.max_faulty_nodes(4) == 1 # floor((n-1)/3)
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assert pbft.max_faulty_nodes(7) == 2
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assert pbft.max_faulty_nodes(10) == 3
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class TestSlashingManager:
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"""Test Slashing Condition Detection"""
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@pytest.fixture
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def slashing(self):
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"""Create slashing manager"""
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return SlashingManager()
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def test_double_sign_detection(self, slashing):
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"""Test double signing detection"""
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validator_address = "0xvalidator1"
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event = slashing.detect_double_sign(
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validator_address, "hash1", "hash2", 100
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)
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assert event is not None
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assert event.condition == SlashingCondition.DOUBLE_SIGN
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assert event.validator_address == validator_address
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def test_downtime_detection(self, slashing):
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"""Test downtime detection"""
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validator_address = "0xvalidator1"
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event = slashing.detect_excessive_downtime(
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validator_address, missed_blocks=50, threshold=20
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)
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assert event is not None
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assert event.condition == SlashingCondition.EXCESSIVE_DOWNTIME
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def test_malicious_proposal_detection(self, slashing):
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"""Test malicious proposal detection"""
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validator_address = "0xvalidator1"
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event = slashing.detect_malicious_proposal(
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validator_address, "invalid_block_hash"
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)
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assert event is not None
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assert event.condition == SlashingCondition.MALICIOUS_PROPOSAL
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def test_slashing_percentage(self, slashing):
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"""Test slashing percentage calculation"""
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assert slashing.get_slashing_percentage(SlashingCondition.DOUBLE_SIGN) == 0.1
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assert slashing.get_slashing_percentage(SlashingCondition.EXCESSIVE_DOWNTIME) == 0.05
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assert slashing.get_slashing_percentage(SlashingCondition.MALICIOUS_PROPOSAL) == 0.1
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class TestKeyManager:
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"""Test Cryptographic Key Management"""
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@pytest.fixture
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def key_manager(self):
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"""Create key manager"""
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return KeyManager()
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def test_key_pair_generation(self, key_manager):
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"""Test key pair generation"""
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address = "0x1234567890123456789012345678901234567890"
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key_pair = key_manager.generate_key_pair(address)
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assert key_pair.address == address
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assert key_pair.private_key_pem is not None
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assert key_pair.public_key_pem is not None
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def test_message_signing(self, key_manager):
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"""Test message signing"""
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address = "0x1234567890123456789012345678901234567890"
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key_manager.generate_key_pair(address)
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message = "test message"
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signature = key_manager.sign_message(address, message)
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assert signature is not None
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assert len(signature) > 0
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def test_signature_verification(self, key_manager):
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"""Test signature verification"""
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address = "0x1234567890123456789012345678901234567890"
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key_manager.generate_key_pair(address)
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message = "test message"
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signature = key_manager.sign_message(address, message)
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valid = key_manager.verify_signature(address, message, signature)
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assert valid is True
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def test_invalid_signature(self, key_manager):
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"""Test invalid signature detection"""
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address = "0x1234567890123456789012345678901234567890"
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key_manager.generate_key_pair(address)
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message = "test message"
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invalid_signature = "invalid_signature"
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valid = key_manager.verify_signature(address, message, invalid_signature)
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assert valid is False
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def test_key_rotation(self, key_manager):
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"""Test key rotation"""
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address = "0x1234567890123456789012345678901234567890"
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# Generate initial key
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key_pair_1 = key_manager.generate_key_pair(address)
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# Rotate key
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success = key_manager.rotate_key(address)
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assert success is True
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# Get new key
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key_pair_2 = key_manager.get_key_pair(address)
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assert key_pair_2.public_key_pem != key_pair_1.public_key_pem
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class TestConsensusIntegration:
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"""Test Integration Between Consensus Components"""
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def test_full_consensus_flow(self):
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"""Test complete consensus flow"""
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# Setup components
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poa = MultiValidatorPoA("test-chain")
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pbft = PBFTConsensus(poa)
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slashing = SlashingManager()
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# Add validators
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for i in range(4):
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poa.add_validator(f"0x{i}", 1000.0)
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# Test integration
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assert poa is not None
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assert pbft is not None
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assert slashing is not None
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def test_rotation_with_slashing(self):
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"""Test rotation with slashed validator"""
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poa = MultiValidatorPoA("test-chain")
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rotation = ValidatorRotation(poa, DEFAULT_ROTATION_CONFIG)
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slashing = SlashingManager()
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# Add validators
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validators = [f"0x{i}" for i in range(4)]
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for v in validators:
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poa.add_validator(v, 1000.0)
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# Slash one validator
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slashed_validator = validators[0]
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slashing.apply_slash(slashed_validator, 0.1, "Test slash")
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# Rotation should skip slashed validator
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success = rotation.rotate_validators(100)
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assert success is True
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if __name__ == "__main__":
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pytest.main([__file__, "-v", "--tb=short"])
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