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models.py
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from pony.orm import Database, PrimaryKey, Set
from pony.orm import Required, Optional
db = Database()
class Token(db.Entity):
id = PrimaryKey(str, auto=False)
symbol = Required(str)
name = Optional(str, nullable=True)
pairs0 = Set("Pair", reverse="token0")
pairs1 = Set("Pair", reverse="token1")
class Pair(db.Entity):
id = PrimaryKey(str, auto=False)
token0 = Required(Token)
token1 = Required(Token)
snapshots = Set("PairSnapshot")
mints = Set("Mint")
burns = Set("Burn")
swaps = Set("Swap")
class PairSnapshot(db.Entity):
id = PrimaryKey(str, auto=False)
pair = Required(Pair)
token0Price = Required(str)
token1Price = Required(str)
reserve0 = Required(str)
reserve1 = Required(str)
totalSupply = Required(str)
reserveETH = Required(str)
reserveUSD = Required(str)
trackedReserveETH = Required(str)
volumeToken0 = Required(str)
volumeToken1 = Required(str)
volumeUSD = Required(str)
untrackedVolumeUSD = Required(str)
txCount = Required(int)
createdAtTimestamp = Required(int)
createdAtBlockNumber = Required(int)
liquidityProviderCount = Required(int)
class Transaction(db.Entity):
id = PrimaryKey(str, auto=False)
blockNumber = Required(int)
timestamp = Required(int)
mints = Set("Mint")
burns = Set("Burn")
swaps = Set("Swap")
class Mint(db.Entity):
id = PrimaryKey(str, auto=False)
transaction = Required(Transaction)
timestamp = Required(int)
pair = Required(Pair)
sender = Required(str)
to = Required(str)
feeTo = Optional(str, nullable=True)
liquidity = Required(str)
feeLiquidity = Optional(str, nullable=True)
amount0 = Required(str)
amount1 = Required(str)
amountUSD = Required(str)
logIndex = Required(int)
class Burn(db.Entity):
id = PrimaryKey(str, auto=False)
transaction = Required(Transaction)
timestamp = Required(int)
pair = Required(Pair)
sender = Required(str)
to = Required(str)
feeTo = Optional(str, nullable=True)
liquidity = Required(str)
feeLiquidity = Optional(str, nullable=True)
amount0 = Required(str)
amount1 = Required(str)
amountUSD = Required(str)
needsComplete = Required(bool)
logIndex = Required(int)
class Swap(db.Entity):
id = PrimaryKey(str, auto=False)
transaction = Required(Transaction)
timestamp = Required(int)
pair = Required(Pair)
sender = Required(str)
to = Required(str)
amount0In = Required(str)
amount1In = Required(str)
amount0Out = Required(str)
amount1Out = Required(str)
amountUSD = Required(str)
logIndex = Required(int)
def init_db(args):
db.bind(provider="sqlite", filename=args.database, create_db=True)
db.generate_mapping(create_tables=True)