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107 lines
4.2 KiB
Python
Executable File
107 lines
4.2 KiB
Python
Executable File
from __future__ import annotations
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from pathlib import Path
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from typing import Optional
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import uuid
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from pydantic_settings import BaseSettings, SettingsConfigDict
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from pydantic import BaseModel
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class ProposerConfig(BaseModel):
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chain_id: str
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proposer_id: str
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interval_seconds: int
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max_block_size_bytes: int
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max_txs_per_block: int
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# Default island ID for new installations
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DEFAULT_ISLAND_ID = str(uuid.uuid4())
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class ChainSettings(BaseSettings):
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model_config = SettingsConfigDict(env_file="/etc/aitbc/.env", env_file_encoding="utf-8", case_sensitive=False, extra="ignore")
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chain_id: str = ""
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supported_chains: str = "ait-mainnet" # Comma-separated list of supported chain IDs
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db_path: Path = Path("/var/lib/aitbc/data/chain.db")
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rpc_bind_host: str = "0.0.0.0" # nosec B104: intentional for distributed blockchain
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rpc_bind_port: int = 8080
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p2p_bind_host: str = "0.0.0.0" # nosec B104: intentional for P2P peer connections
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p2p_bind_port: int = 8001
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p2p_node_id: str = ""
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proposer_id: str = ""
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proposer_key: Optional[str] = None
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mint_per_unit: int = 0 # No new minting after genesis for production
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coordinator_ratio: float = 0.05
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block_time_seconds: int = 10
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# Block production toggle (set false on followers)
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enable_block_production: bool = True
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# Block production limits
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max_block_size_bytes: int = 1_000_000 # 1 MB
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max_txs_per_block: int = 500
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# Only propose blocks if mempool is not empty (prevents empty blocks)
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propose_only_if_mempool_not_empty: bool = False
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# Monitoring interval (in seconds)
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blockchain_monitoring_interval_seconds: int = 60
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min_fee: int = 0 # Minimum fee to accept into mempool
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# Mempool settings
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mempool_backend: str = "database" # "database" or "memory" (database recommended for persistence)
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mempool_max_size: int = 10_000
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mempool_eviction_interval: int = 60 # seconds
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# Circuit breaker
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circuit_breaker_threshold: int = 5 # failures before opening
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circuit_breaker_timeout: int = 30 # seconds before half-open
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# Sync settings
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trusted_proposers: str = "" # comma-separated list of trusted proposer IDs
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max_reorg_depth: int = 10 # max blocks to reorg on conflict
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sync_validate_signatures: bool = True # validate proposer signatures on import
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# Automatic bulk sync settings
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auto_sync_enabled: bool = True # enable automatic bulk sync when gap detected
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auto_sync_threshold: int = 10 # blocks gap threshold to trigger bulk sync
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auto_sync_max_retries: int = 3 # max retry attempts for automatic bulk sync
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min_bulk_sync_interval: int = 60 # minimum seconds between bulk sync attempts
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min_bulk_sync_batch_size: int = 20 # minimum batch size for dynamic bulk sync
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max_bulk_sync_batch_size: int = 200 # maximum batch size for dynamic bulk sync
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gossip_backend: str = "memory"
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gossip_broadcast_url: Optional[str] = None
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default_peer_rpc_url: Optional[str] = None # HTTP RPC URL of default peer for bulk sync
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# NAT Traversal (STUN/TURN)
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stun_servers: str = "" # Comma-separated STUN server addresses (e.g., "stun.l.google.com:19302,jitsi.example.com:3478")
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turn_server: Optional[str] = None # TURN server address (future support)
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turn_username: Optional[str] = None # TURN username (future support)
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turn_password: Optional[str] = None # TURN password (future support)
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# Island Configuration (Federated Mesh)
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island_id: str = DEFAULT_ISLAND_ID # UUID-based island identifier
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island_name: str = "default" # Human-readable island name
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is_hub: bool = False # This node acts as a hub
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island_chain_id: str = "" # Separate chain_id per island (empty = use default chain_id)
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hub_discovery_url: str = "hub.aitbc.bubuit.net" # Hub discovery DNS
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bridge_islands: str = "" # Comma-separated list of islands to bridge (optional)
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# Redis Configuration (Hub persistence)
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redis_url: str = "redis://localhost:6379" # Redis connection URL
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# Keystore for proposer private key (future block signing)
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keystore_path: Path = Path("/var/lib/aitbc/keystore")
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keystore_password_file: Path = Path("/var/lib/aitbc/keystore/.password")
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settings = ChainSettings()
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