5bb78bd9be
- Create project structure with FastAPI - Add database models for blocks, transactions, arbitrages, pools, and DEXes - Implement Solana RPC client for fetching blockchain data - Create arbitrage detection algorithm - Implement comprehensive API endpoints for analytics - Set up database migrations with Alembic - Add detailed project documentation generated with BackendIM... (backend.im) Co-Authored-By: Claude <noreply@anthropic.com>
45 lines
2.0 KiB
Python
45 lines
2.0 KiB
Python
from datetime import datetime
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from sqlalchemy import (
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Column, Integer, String, DateTime, Float,
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BigInteger, ForeignKey, JSON, Boolean
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)
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from sqlalchemy.orm import relationship
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from app.db.base_class import Base
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class Pool(Base):
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"""Liquidity pool model."""
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id = Column(Integer, primary_key=True, index=True)
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dex_id = Column(Integer, ForeignKey("dex.id"), nullable=False)
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address = Column(String, unique=True, index=True, nullable=False)
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token_a_address = Column(String, index=True, nullable=False)
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token_a_symbol = Column(String, nullable=True)
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token_a_name = Column(String, nullable=True)
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token_a_decimals = Column(Integer, nullable=True)
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token_b_address = Column(String, index=True, nullable=False)
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token_b_symbol = Column(String, nullable=True)
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token_b_name = Column(String, nullable=True)
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token_b_decimals = Column(Integer, nullable=True)
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token_a_reserve = Column(Float, nullable=True)
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token_b_reserve = Column(Float, nullable=True)
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last_updated_slot = Column(BigInteger, nullable=True)
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volume_24h = Column(Float, nullable=True)
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fees_24h = Column(Float, nullable=True)
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tvl = Column(Float, nullable=True) # Total Value Locked in USD
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fee_rate = Column(Float, nullable=True) # Pool fee percentage
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pool_type = Column(String, nullable=True) # Constant product, stable, etc.
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is_active = Column(Boolean, default=True, nullable=False)
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metadata = Column(JSON, nullable=True) # Additional pool-specific data
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created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
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updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow, nullable=False)
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# Relationships
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dex = relationship("Dex", back_populates="pools")
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arbitrage_legs = relationship("ArbitrageLeg", back_populates="pool")
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def __repr__(self):
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token_a = self.token_a_symbol or self.token_a_address[:8]
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token_b = self.token_b_symbol or self.token_b_address[:8]
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return f"<Pool(address={self.address}, pair={token_a}-{token_b})>" |