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>
32 lines
1.4 KiB
Python
32 lines
1.4 KiB
Python
from datetime import datetime
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from sqlalchemy import (
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Column, Integer, String, DateTime, BigInteger,
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Float, Boolean, ForeignKey, Text, JSON
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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 Transaction(Base):
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"""Solana blockchain transaction model."""
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id = Column(Integer, primary_key=True, index=True)
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block_id = Column(Integer, ForeignKey("block.id"), nullable=False)
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transaction_hash = Column(String, unique=True, index=True, nullable=False)
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slot = Column(BigInteger, index=True, nullable=False)
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signature = Column(String, unique=True, index=True, nullable=False)
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success = Column(Boolean, nullable=False, default=False)
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fee = Column(BigInteger, nullable=True)
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fee_payer = Column(String, index=True, nullable=True)
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program_ids = Column(JSON, nullable=True) # Array of program IDs involved
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accounts = Column(JSON, nullable=True) # Array of account addresses involved
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raw_data = Column(Text, nullable=True) # Raw transaction data for detailed analysis
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created_at = Column(DateTime, default=datetime.utcnow, nullable=False)
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# Relationships
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block = relationship("Block", back_populates="transactions")
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arbitrages = relationship("Arbitrage", back_populates="transaction", cascade="all, delete-orphan")
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def __repr__(self):
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return f"<Transaction(hash={self.transaction_hash}, success={self.success})>" |