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run_blockchain_terraformer.py
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import math
from typing import Tuple, List, Dict
import pandas as pd
from dotenv import load_dotenv
from joblib import parallel_backend, Parallel, delayed
from pandas import DataFrame
load_dotenv()
import os
import requests
import pathlib
from web3 import Web3, AsyncWeb3
from fastlane_bot.utils import safe_int
from fastlane_bot.events.exchanges.solidly_v2 import SolidlyV2
from fastlane_bot.data.abi import ERC20_ABI, UNISWAP_V2_FACTORY_ABI, UNISWAP_V3_FACTORY_ABI
import asyncio
import nest_asyncio
import threading
def start_background_loop(loop):
asyncio.set_event_loop(loop)
loop.run_forever()
_LOOP = asyncio.new_event_loop()
_LOOP_THREAD = threading.Thread(target=start_background_loop, args=(_LOOP,), daemon=True)
_LOOP_THREAD.start()
def asyncio_gather(*futures, return_exceptions=False) -> list:
"""
A version of asyncio.gather that runs on the internal event loop
"""
async def gather():
return await asyncio.gather(*futures, return_exceptions=return_exceptions)
return asyncio.run_coroutine_threadsafe(gather(), loop=_LOOP).result()
nest_asyncio.apply()
ETHEREUM = "ethereum"
POLYGON = "polygon"
POLYGON_ZKEVM = "polygon_zkevm"
ARBITRUM_ONE = "arbitrum_one"
OPTIMISM = "optimism"
BASE = "coinbase_base"
FANTOM = "fantom"
MANTLE = "mantle"
LINEA = "linea"
coingecko_network_map = {
"ethereum": "ethereum",
"coinbase_base": "base",
"polygon": "polygon-pos",
"polygon_zkevm": "polygon-zkevm",
"optimism": "optimistic-ethereum",
"arbitrum_one": "arbitrum-one",
"fantom": "fantom",
"arbitrum_nova": "arbitrum-nova",
"avalanche": "avalanche",
"tron": "tron",
"neon": "neon-evm",
"moonbeam": "moonbeam",
"linea": "linea",
"cosmos": "cosmos",
"kava": "kava",
"mantle": "mantle",
}
BLOCK_CHUNK_SIZE_MAP = {
"ethereum": 0,
"polygon": 0,
"polygon_zkevm": 0,
"arbitrum_one": 0,
"optimism": 0,
"coinbase_base": 0,
"fantom": 5000,
"mantle": 0,
"linea": 0,
}
ALCHEMY_KEY_DICT = {
"ethereum": "WEB3_ALCHEMY_PROJECT_ID",
"polygon": "WEB3_ALCHEMY_POLYGON",
"polygon_zkevm": "WEB3_ALCHEMY_POLYGON_ZKEVM",
"arbitrum_one": "WEB3_ALCHEMY_ARBITRUM",
"optimism": "WEB3_ALCHEMY_OPTIMISM",
"coinbase_base": "WEB3_ALCHEMY_BASE",
"fantom": "WEB3_FANTOM",
"mantle": "WEB3_MANTLE",
"linea": "WEB3_LINEA",
}
ALCHEMY_RPC_LIST = {
"ethereum": "https://eth-mainnet.alchemyapi.io/v2/",
"polygon": "https://polygon-mainnet.g.alchemy.com/v2/",
"polygon_zkevm": "https://polygonzkevm-mainnet.g.alchemy.com/v2/",
"arbitrum_one": "https://arb-mainnet.g.alchemy.com/v2/",
"optimism": "https://opt-mainnet.g.alchemy.com/v2/",
"coinbase_base": "https://base-mainnet.g.alchemy.com/v2/",
"fantom": "https://fantom.blockpi.network/v1/rpc/",
"mantle": "https://rpc.mantle.xyz/",
"linea": "https://rpc.linea.build/",
}
BALANCER_SUBGRAPH_CHAIN_URL = {
"ethereum": "https://api.thegraph.com/subgraphs/name/balancer-labs/balancer-v2",
"polygon": "https://api.thegraph.com/subgraphs/name/balancer-labs/balancer-polygon-v2",
"polygon_zkevm": "https://api.studio.thegraph.com/query/24660/balancer-polygon-zk-v2/version/latest",
"arbitrum_one": "https://api.thegraph.com/subgraphs/name/balancer-labs/balancer-arbitrum-v2",
"optimism": "https://api.thegraph.com/subgraphs/name/balancer-labs/balancer-optimism-v2",
"coinbase_base": "https://api.studio.thegraph.com/query/24660/balancer-base-v2/version/latest",
"avalanche": "https://api.thegraph.com/subgraphs/name/balancer-labs/balancer-avalanche-v2",
"fantom": "https://api.thegraph.com/subgraphs/name/beethovenxfi/beethovenx"
}
BANCOR_V2_NAME = "bancor_v2"
BANCOR_V3_NAME = "bancor_v3"
UNISWAP_V2_NAME = "uniswap_v2"
UNISWAP_V3_NAME = "uniswap_v3"
SUSHISWAP_V2_NAME = "sushiswap_v2"
SUSHISWAP_V3_NAME = "sushiswap_v3"
CARBON_V1_NAME = "carbon_v1"
BANCOR_POL_NAME = "bancor_pol"
BALANCER_NAME = "balancer"
PANCAKESWAP_V2_NAME = "pancakeswap_v2"
PANCAKESWAP_V3_NAME = "pancakeswap_v3"
AERODROME_V2_NAME = "aerodrome_v2"
VELOCIMETER_V2_NAME = "velocimeter_v2"
CARBON_POL_NAME = "bancor_pol"
SHIBA_V2_NAME = "shiba_v2"
SCALE_V2_NAME = "scale_v2"
EQUALIZER_V2_NAME = "equalizer_v2"
SOLIDLY_V2_NAME = "solidly_v2"
VELODROME_V2_NAME = "velodrome_v2"
CLEOPATRA_V2_NAME = "cleopatra_v2"
STRATUM_V2_NAME = "stratum_v2"
LYNEX_V2_NAME = "lynex_v2"
NILE_V2_NAME = "nile_v2"
XFAI_V0_NAME = "xfai_v0"
SOLIDLY_FORKS = [
AERODROME_V2_NAME,
VELOCIMETER_V2_NAME,
SCALE_V2_NAME,
EQUALIZER_V2_NAME,
VELODROME_V2_NAME,
CLEOPATRA_V2_NAME,
STRATUM_V2_NAME,
XFAI_V0_NAME,
]
EXCHANGE_IDS = {
BANCOR_V2_NAME: 1,
BANCOR_V3_NAME: 2,
UNISWAP_V2_NAME: 3,
UNISWAP_V3_NAME: 4,
SUSHISWAP_V2_NAME: 3,
SUSHISWAP_V3_NAME: 4,
CARBON_V1_NAME: 6,
BALANCER_NAME: 7,
CARBON_POL_NAME: 8,
PANCAKESWAP_V2_NAME: 3,
PANCAKESWAP_V3_NAME: 4,
SOLIDLY_V2_NAME: 11,
VELOCIMETER_V2_NAME: 11,
SCALE_V2_NAME: 11,
EQUALIZER_V2_NAME: 11,
VELODROME_V2_NAME: 12,
AERODROME_V2_NAME: 12,
CLEOPATRA_V2_NAME: 12,
STRATUM_V2_NAME: 12,
XFAI_V0_NAME: 13,
}
EXCHANGE_POOL_CREATION_EVENT_NAMES = {
UNISWAP_V2_NAME: "PairCreated",
UNISWAP_V3_NAME: "PoolCreated",
AERODROME_V2_NAME: "PoolCreated",
VELOCIMETER_V2_NAME: "PairCreated",
SCALE_V2_NAME: "PairCreated",
EQUALIZER_V2_NAME: "PairCreated",
CLEOPATRA_V2_NAME: "PairCreated",
STRATUM_V2_NAME: "PairCreated",
LYNEX_V2_NAME: "PairCreated",
NILE_V2_NAME: "PairCreated",
XFAI_V0_NAME: "PoolCreated",
}
dataframe_key = [
"cid",
"strategy_id",
"last_updated",
"last_updated_block",
"descr",
"pair_name",
"exchange_name",
"fee",
"fee_float",
"address",
"anchor",
"tkn0_address",
"tkn1_address",
"tkn0_decimals",
"tkn1_decimals",
"exchange_id",
"tkn0_symbol",
"tkn1_symbol",
"timestamp",
"tkn0_balance",
"tkn1_balance",
"liquidity",
"sqrt_price_q96",
"tick",
"tick_spacing",
"exchange",
"pool_type",
"tkn0_weight",
"tkn1_weight",
"tkn2_address",
"tkn2_decimals",
"tkn2_symbol",
"tkn2_balance",
"tkn2_weight",
"tkn3_address",
"tkn3_decimals",
"tkn3_symbol",
"tkn3_balance",
"tkn3_weight",
"tkn4_address",
"tkn4_decimals",
"tkn4_symbol",
"tkn4_balance",
"tkn4_weight",
"tkn5_address",
"tkn5_decimals",
"tkn5_symbol",
"tkn5_balance",
"tkn5_weight",
"tkn6_address",
"tkn6_decimals",
"tkn6_symbol",
"tkn6_balance",
"tkn6_weight",
"tkn7_address",
"tkn7_decimals",
"tkn7_symbol",
"tkn7_balance",
"tkn7_weight",
]
skip_token_list = set(["0xaD67F7a72BA2ca971390B2a1dD907303bD577a4F"])
def get_all_token_details(network: str, write_path: str) -> dict:
"""
This function collects the number of decimals and symbol of a token, and formats it for use in a dataframe.
:param network: the network name
:returns: the token lookup table
"""
token_path = os.path.join(write_path, "tokens.csv")
token_file_exists = os.path.exists(token_path)
if token_file_exists:
token_df = pd.read_csv(token_path, index_col=False)
token_manager = {}
for idx, row in token_df.iterrows():
address, decimals, symbol = row
token_manager[address] = {"address": address, "decimals": decimals, "symbol": symbol}
return token_manager
url = f"https://tokens.coingecko.com/{coingecko_network_map[network]}/all.json"
response = requests.get(url).json()["tokens"]
token_manager = {
"0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE": {"address": "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE",
"decimals": 18, "symbol": "ETH"}
} if network in ["ethereum", "coinbase_base", "arbitrum_one", "optimism"] else {}
for token in response:
address = Web3.to_checksum_address(token["address"])
symbol = token["symbol"]
decimals = token["decimals"]
try:
# try to write to csv
pd.DataFrame(
{"token": [address], "symbol": [symbol], "decimals": [decimals]}
).to_csv("token_details.csv")
token_manager[address] = {
"address": address,
"decimals": decimals,
"symbol": symbol,
}
except Exception as e:
print(f"Failed to get token details for token: {address} with error: {e}")
continue
return token_manager
def get_token_details_from_contract(
token: str, web3
) -> Tuple[str, int] or Tuple[None, None]:
"""
This function collects the number of decimals and symbol of a token, and formats it for use in a dataframe.
:param token: the token address
:param web3: the Web3 object
Returns: a Tuple containing the token symbol & decimals, or None, None if the contract call failed.
"""
if token in skip_token_list:
return None, None
elif token == "0x9f8F72aA9304c8B593d555F12eF6589cC3A579A2":
symbol = "MKR"
decimals = 18
elif token == "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE":
symbol = "ETH"
decimals = 18
else:
contract = web3.eth.contract(address=token, abi=ERC20_ABI)
try:
decimals = contract.caller.decimals()
except:
print(f"Cannot get token details for token: {token}")
skip_token_list.add(token)
return None, None
try:
symbol = contract.caller.symbol()
except:
symbol = "SYMBOL_FAILED"
else:
symbol = symbol.replace(os.linesep, "") or "???"
pd.DataFrame(
{"token": [token], "symbol": [symbol], "decimals": [decimals]}
).to_csv("token_details.csv")
return symbol, decimals
def get_token_details(
tkn: str, token_manager: dict, web3: Web3
) -> Tuple[str, int] or Tuple[None, None]:
"""
:param tkn: the token address
:param token_manager: the token lookup table
:param web3: the Web3 object
Returns: a Tuple containing the token symbol & decimals, or None, None if the contract call failed.
"""
tkn = Web3.to_checksum_address(tkn)
if tkn in token_manager:
symbol = token_manager[tkn]["symbol"]
decimal = token_manager[tkn]["decimals"]
else:
symbol, decimal = get_token_details_from_contract(token=tkn, web3=web3)
if type(decimal) == int and type(symbol) == str:
token_manager[tkn] = {"address": tkn, "decimals": decimal, "symbol": symbol}
return symbol, decimal
def fix_missing_symbols(symbol: str, addr: str) -> str:
"""
This function fixes specific tokens that have an issue getting their Symbol from the contract.
:param symbol: the token symbol
:param addr: the token address
returns: str
"""
if addr == "0x9f8f72aa9304c8b593d555f12ef6589cc3a579a2":
return "MKR"
elif addr == "0xF1290473E210b2108A85237fbCd7b6eb42Cc654F":
return "HEDG"
else:
return symbol
def organize_pool_details_uni_v3(
pool_data: dict, token_manager: dict, exchange: str, web3: Web3
) -> dict:
"""
This function organizes pool details for Uni V3 pools.
:param pool_data: the pool data from the pool creation event
:param token_manager: the token lookup table
:param exchange: the exchange name
:param web3: the Web3 object
returns: dict of pool information
"""
pool_address = pool_data["args"]["pool"]
pool_address = Web3.to_checksum_address(pool_address)
last_updated_block = pool_data["blockNumber"]
tick_spacing = pool_data["args"]["tickSpacing"]
tokens = [pool_data["args"]["token0"], pool_data["args"]["token1"]]
token_info, pair, skip_pool = process_token_details(
tokens=tokens, token_manager=token_manager, web3=web3
)
if skip_pool:
return None
fee = pool_data["args"]["fee"]
pool_info = {
"cid": pool_address,
"strategy_id": 0,
"last_updated": "",
"last_updated_block": last_updated_block,
"descr": f"{exchange} {pair} {fee}",
"pair_name": pair,
"exchange_name": exchange,
"fee": fee,
"fee_float": float(fee) / 1000000,
"address": pool_address,
"anchor": "",
"tkn0_address": token_info["tkn0_address"],
"tkn1_address": token_info["tkn1_address"],
"tkn0_decimals": token_info["tkn0_decimals"],
"tkn1_decimals": token_info["tkn1_decimals"],
"exchange_id": EXCHANGE_IDS["uniswap_v3"],
"tkn0_symbol": token_info["tkn0_symbol"],
"tkn1_symbol": token_info["tkn1_symbol"],
"timestamp": 0,
"tkn0_balance": 0,
"tkn1_balance": 0,
"liquidity": 0,
"sqrt_price_q96": 0,
"tick": 0,
"tick_spacing": tick_spacing,
"exchange": exchange,
}
return {**pool_info, **token_info}
def process_token_details(
tokens: List[str], token_manager: dict, web3: Web3
) -> Tuple[Dict, str, bool] or Tuple[None, None, bool]:
"""
This function processes token details & generates the token pair
:param tokens: the list of tokens
:param token_manager: the token lookup table
:param web3: the Web3 object
returns: tuple containing a dict with token information, the pair name as a string, and a bool that indicates if all tokens were successfully added.
"""
token_info = {}
addresses = []
for idx, tkn in enumerate(tokens):
address = Web3.to_checksum_address(tkn)
if address in skip_token_list:
return None, None, True
symbol, decimals = get_token_details(
token_manager=token_manager, tkn=address, web3=web3
)
if symbol is None:
return None, None, True
symbol = fix_missing_symbols(addr=address, symbol=symbol)
token_info[f"tkn{idx}_decimals"] = decimals
token_info[f"tkn{idx}_address"] = address
token_info[f"tkn{idx}_symbol"] = symbol
token_info[f"tkn{idx}_balance"] = 0
addresses += [address]
return token_info, "/".join(addresses), False
def organize_pool_details_balancer(pool_data: dict) -> dict:
"""
This function organizes pool details for Uni V3 pools.
:param pool_data: the pool data from the pool creation event
returns: dict of pool information
"""
if pool_data["swapEnabled"] != True:
return None
token_info = {}
addresses = []
for idx, tkn in enumerate(pool_data["tokens"]):
address = Web3.to_checksum_address(tkn["address"])
if address in skip_token_list:
return None
token_info[f"tkn{idx}_address"] = address
token_info[f"tkn{idx}_symbol"] = fix_missing_symbols(addr=address, symbol=tkn["symbol"])
token_info[f"tkn{idx}_decimals"] = tkn["decimals"]
token_info[f"tkn{idx}_weight"] = tkn["weight"]
token_info[f"tkn{idx}_balance"] = 0
addresses += [address]
pair = "/".join(addresses)
fee = pool_data["swapFee"]
pool_info = {
"cid": pool_data["id"],
"strategy_id": 0,
"last_updated": "",
"last_updated_block": 0,
"descr": f"balancer {pair} {fee}",
"pair_name": pair,
"exchange_name": "balancer",
"fee": float(fee) * 10 ** 18,
"fee_float": float(fee),
"address": Web3.to_checksum_address(pool_data["address"]),
"anchor": pool_data["id"],
"tkn0_address": token_info["tkn0_address"],
"tkn1_address": token_info["tkn1_address"],
"tkn0_decimals": token_info["tkn0_decimals"],
"tkn1_decimals": token_info["tkn1_decimals"],
"exchange_id": 7,
"tkn0_symbol": token_info["tkn0_symbol"],
"tkn1_symbol": token_info["tkn1_symbol"],
"timestamp": 0,
"tkn0_balance": 0,
"tkn1_balance": 0,
"liquidity": 0,
"sqrt_price_q96": 0,
"tick": 0,
"tick_spacing": 0,
"exchange": "balancer",
"pool_type": pool_data["poolType"],
}
return {**pool_info, **token_info}
def organize_pool_details_uni_v2(
pool_data, token_manager: dict, exchange, default_fee, web3
):
"""
This function organizes pool details for Uni V2 pools.
:param pool_data: the pool data from the pool creation event
:param token_manager: the token lookup table
:param exchange: the exchange name
:param default_fee: the fee for the exchange
:param web3: the Web3 object
returns: dict of pool information
"""
pool_address = pool_data["args"]["pair"]
pool_address = Web3.to_checksum_address(pool_address)
last_updated_block = pool_data["blockNumber"]
if default_fee == "TBD":
return None
default_fee = float(default_fee)
tokens = [pool_data["args"]["token0"], pool_data["args"]["token1"]]
token_info, pair, skip_pool = process_token_details(
tokens=tokens, token_manager=token_manager, web3=web3
)
if skip_pool:
return None
pool_info = {
"cid": pool_address,
"strategy_id": 0,
"last_updated": "",
"last_updated_block": last_updated_block,
"descr": f"{exchange} {pair}",
"pair_name": pair,
"exchange_name": exchange,
"fee": default_fee,
"fee_float": default_fee,
"address": pool_address,
"anchor": "",
"tkn0_address": token_info["tkn0_address"],
"tkn1_address": token_info["tkn1_address"],
"tkn0_decimals": token_info["tkn0_decimals"],
"tkn1_decimals": token_info["tkn1_decimals"],
"exchange_id": EXCHANGE_IDS["uniswap_v2"],
"tkn0_symbol": token_info["tkn0_symbol"],
"tkn1_symbol": token_info["tkn1_symbol"],
"timestamp": 0,
"tkn0_balance": 0,
"tkn1_balance": 0,
"exchange": exchange,
}
return {**pool_info, **token_info}
def organize_pool_details_solidly_v2(
pool_data, token_manager, exchange, exchange_object, web3, async_web3,
):
"""
This function organizes pool details for Solidly pools.
:param pool_data: the pool data from the pool creation event
:param token_manager: the token lookup table
:param exchange: the exchange name
:param factory_contract: the exchange's Factory contract - initialized
:param web3: the Web3 object
:param async_web3: the Async Web3 object
returns: dict of pool information
"""
if "pool" in pool_data or "pool" in pool_data["args"]:
pool_address = pool_data["args"]["pool"]
elif "pair" in pool_data or "pair" in pool_data["args"]:
pool_address = pool_data["args"]["pair"]
else:
print(f"COULD NOT FIND KEY IN EVENT for exchange {exchange}: {pool_data}")
pool_address = Web3.to_checksum_address(pool_address)
last_updated_block = pool_data["blockNumber"]
if exchange == XFAI_V0_NAME:
stable_pool = "volatile"
tokens = [pool_data["args"]["token"], "0xe5D7C2a44FfDDf6b295A15c148167daaAf5Cf34f"] # TODO Use the constant WRAPPED_GAS_TOKEN_ADDRESS for this network
else:
stable_pool = "stable" if pool_data["args"]["stable"] else "volatile"
tokens = [pool_data["args"]["token0"], pool_data["args"]["token1"]]
pool_contract = async_web3.eth.contract(address=pool_address, abi=exchange_object.get_abi())
fee_str, fee_float = asyncio_gather(exchange_object.get_fee(address=pool_address, contract=pool_contract))[0]
token_info, pair, skip_pool = process_token_details(
tokens=tokens, token_manager=token_manager, web3=web3
)
if skip_pool:
return None
pool_info = {
"cid": pool_address,
"strategy_id": 0,
"last_updated": "",
"last_updated_block": last_updated_block,
"descr": f"{exchange} {pair}",
"pair_name": pair,
"exchange_name": exchange,
"fee": fee_str,
"fee_float": fee_float,
"address": pool_address,
"anchor": "",
"tkn0_address": token_info["tkn0_address"],
"tkn1_address": token_info["tkn1_address"],
"tkn0_decimals": token_info["tkn0_decimals"],
"tkn1_decimals": token_info["tkn1_decimals"],
"exchange_id": EXCHANGE_IDS[exchange],
"tkn0_symbol": token_info["tkn0_symbol"],
"tkn1_symbol": token_info["tkn1_symbol"],
"timestamp": 0,
"tkn0_balance": 0,
"tkn1_balance": 0,
"exchange": exchange,
"pool_type": stable_pool,
}
return {**pool_info, **token_info}
def get_events(contract: any, blockchain: str, exchange: str, start_block: int, end_block: int) -> list:
chunk_size = BLOCK_CHUNK_SIZE_MAP[blockchain]
get_logs = contract.events[EXCHANGE_POOL_CREATION_EVENT_NAMES[exchange]].get_logs
if chunk_size > 0:
return get_events_iterative(get_logs, start_block, end_block, chunk_size)
else:
return get_events_recursive(get_logs, start_block, end_block)
def get_events_iterative(get_logs: any, start_block: int, end_block: int, chunk_size: int) -> list:
block_numbers = list(range(start_block, end_block + 1, chunk_size)) + [end_block + 1]
event_lists = [get_logs(fromBlock=block_numbers[n-1], toBlock=block_numbers[n]-1) for n in range(1, len(block_numbers))]
return [event for event_list in event_lists for event in event_list]
def get_events_recursive(get_logs: any, start_block: int, end_block: int) -> list:
if start_block <= end_block:
try:
return get_logs(fromBlock=start_block, toBlock=end_block)
except Exception as e:
assert "eth_getLogs" in str(e), str(e)
if start_block < end_block:
mid_block = (start_block + end_block) // 2
event_list_1 = get_events_recursive(get_logs, start_block, mid_block)
event_list_2 = get_events_recursive(get_logs, mid_block + 1, end_block)
return event_list_1 + event_list_2
else:
raise e
raise Exception(f"Illegal log query range: {start_block} -> {end_block}")
def get_uni_v3_pools(
token_manager: dict,
exchange: str,
factory_contract,
start_block: int,
end_block: int,
web3: Web3,
blockchain: str
) -> Tuple[DataFrame, DataFrame]:
"""
This function retrieves Uniswap V3 pool generation events and organizes them into two Dataframes
:param token_manager: the token lookup table
:param factory_contract: the initialized Factory contract
:param start_block: the block number from which to start
:param end_block: the block number at which to end
:param web3: the Web3 object
:param exchange: the name of the exchange
:param blockchain: the blockchain name
returns: a tuple containing a Dataframe of pool creation and a Dataframe of Uni V3 pool mappings
"""
pool_data = get_events(factory_contract, blockchain, UNISWAP_V3_NAME, start_block, end_block)
with parallel_backend(n_jobs=-1, backend="threading"):
pools = Parallel(n_jobs=-1)(
delayed(organize_pool_details_uni_v3)(
pool_data=pool,
token_manager=token_manager,
exchange=exchange,
web3=web3,
)
for pool in pool_data
)
pools = [pool for pool in pools if pool is not None]
df = pd.DataFrame(pools, columns=dataframe_key)
pool_mapping = [{"exchange": pool["exchange"], "address": pool["address"]} for pool in pools]
mapdf = pd.DataFrame(pool_mapping, columns=["exchange", "address"]).reset_index(drop=True)
return df, mapdf
def get_uni_v2_pools(
token_manager: dict,
exchange: str,
factory_contract,
start_block: int,
end_block: int,
default_fee: float,
web3: Web3,
blockchain: str
) -> Tuple[DataFrame, DataFrame]:
"""
This function retrieves Uniswap V2 pool generation events and organizes them into two Dataframes
:param token_manager: the token lookup table
:param factory_contract: the initialized Factory contract
:param start_block: the block number from which to start
:param end_block: the block number at which to end
:param web3: the Web3 object
:param exchange: the name of the exchange
:param default_fee: the fee for the exchange
:param blockchain: the blockchain name
returns: a tuple containing a Dataframe of pool creation and a Dataframe of Uni V3 pool mappings
"""
pool_data = get_events(factory_contract, blockchain, UNISWAP_V2_NAME, start_block, end_block)
with parallel_backend(n_jobs=-1, backend="threading"):
pools = Parallel(n_jobs=-1)(
delayed(organize_pool_details_uni_v2)(
pool_data=pool,
token_manager=token_manager,
default_fee=default_fee,
exchange=exchange,
web3=web3,
)
for pool in pool_data
)
pools = [pool for pool in pools if pool is not None]
df = pd.DataFrame(pools, columns=dataframe_key)
pool_mapping = [{"exchange": pool["exchange"], "address": pool["address"]} for pool in pools]
mapdf = pd.DataFrame(pool_mapping, columns=["exchange", "address"]).reset_index(drop=True)
return df, mapdf
def get_solidly_v2_pools(
token_manager: dict,
exchange: str,
async_factory_contract,
factory_contract,
start_block: int,
end_block: int,
web3: Web3,
async_web3: AsyncWeb3,
blockchain: str
) -> Tuple[DataFrame, DataFrame]:
"""
This function retrieves Solidly pool generation events and organizes them into two Dataframes
:param token_manager: the token lookup table
:param factory_contract: the initialized Factory contract
:param start_block: the block number from which to start
:param end_block: the block number at which to end
:param web3: the Web3 object
:param async_web3: the Async Web3 object
:param exchange: the name of the exchange
:param default_fee: the fee for the exchange
:param blockchain: the blockchain name
returns: a tuple containing a Dataframe of pool creation and a Dataframe of Uni V3 pool mappings
"""
pool_data = get_events(factory_contract, blockchain, exchange, start_block, end_block)
solidly_exchange = SolidlyV2(exchange_name=exchange, factory_contract=async_factory_contract)
with parallel_backend(n_jobs=-1, backend="threading"):
pools = Parallel(n_jobs=-1)(
delayed(organize_pool_details_solidly_v2)(
pool_data=pool,
token_manager=token_manager,
exchange=exchange,
exchange_object=solidly_exchange,
web3=web3,
async_web3=async_web3,
)
for pool in pool_data
)
pools = [pool for pool in pools if pool is not None]
df = pd.DataFrame(pools, columns=dataframe_key)
pool_mapping = [{"exchange": pool["exchange"], "address": pool["address"]} for pool in pools]
mapdf = pd.DataFrame(pool_mapping, columns=["exchange", "address"]).reset_index(drop=True)
return df, mapdf
def get_multichain_addresses(network_name: str) -> pd.DataFrame:
"""
Create dataframe of addresses for the selected network
:param network_name: the name of the network in which to get addresses
returns:
A dataframe that contains items from the selected network
"""
multichain_address_path = os.path.normpath("fastlane_bot/data/multichain_addresses.csv")
chain_addresses_df = pd.read_csv(multichain_address_path)
return chain_addresses_df.loc[chain_addresses_df["chain"] == network_name]
balancer_subgraph_query = """
{
pools(
orderBy: totalLiquidity
orderDirection: desc
first: 1000
where: {poolType_contains: "Weighted", totalLiquidity_gt: 50000 }
) {
id
poolType
swapFee
swapEnabled
tokens {
balance
symbol
decimals
address
weight
}
address
}
}
"""
def get_balancer_pools(subgraph_url: str) -> pd.DataFrame:
"""
This function gets Balancer pool details from the Balancer subgraph
:param subgraph_url: the URL of the Balancer subgraph
"""
response = requests.post(subgraph_url, json={"query": balancer_subgraph_query})
assert response.status_code == 200, f"Balancer subgraph query failed with {response}"
pool_data_list = response.json()["data"]["pools"]
pools = [organize_pool_details_balancer(pool_data) for pool_data in pool_data_list]
return pd.DataFrame([pool for pool in pools if pool is not None], columns=dataframe_key)
def add_to_exchange_ids(exchange: str, fork: str):
"""
This function adds an exchange if it is not listed in the Exchange Ids dict
:param exchange: the exchange name
:param fork: the fork name
"""
if exchange not in EXCHANGE_IDS:
platform_id = 0
if fork in ["uniswap_v2", "solidly_v1", "solidly_v2"]:
platform_id = 3
elif fork in "uniswap_v3":
platform_id = 4
elif fork in "balancer":
platform_id = 7
elif fork in "carbon_v1":
platform_id = 6
EXCHANGE_IDS[exchange] = platform_id
def get_last_block_updated(df: pd.DataFrame, exchange: str) -> int:
"""
This function retrieves the highest block number for relevant exchanges
:param df: the Dataframe containing static pool data
:param exchange: the exchange for which to get the latest block it was updated
returns: int
"""
ex_df = df[df["exchange"] == exchange]
# if the `last_updated_block` column contains `None` values, then `max` returns a value of type `float`
# we should therefore verify that this value is nevertheless integer
# and only then can we safely convert it to type `int`
return safe_int(ex_df["last_updated_block"].max())
def save_token_data(token_manager: dict, write_path: str):
"""
Saves token data to a CSV
"""
token_path = os.path.join(write_path, "tokens.csv")
token_df = pd.DataFrame(token_manager.values(), columns=["address", "decimals", "symbol"])
token_df.set_index("address", inplace=True)
token_df.to_csv(token_path)
def terraform_blockchain(network_name: str):
"""
This function collects all pool creation events for Uniswap V2/V3 and Solidly pools for a given network.
The factory addresses for each exchange for which to extract pools must be defined in fastlane_bot/data/multichain_addresses.csv.
:param network_name: the name of the blockchain from which to get data
"""
url = ALCHEMY_RPC_LIST[network_name] + os.environ.get(ALCHEMY_KEY_DICT[network_name])
web3 = Web3(Web3.HTTPProvider(url))
async_web3 = AsyncWeb3(AsyncWeb3.AsyncHTTPProvider(url))
PROJECT_PATH = os.path.normpath(f"{os.getcwd()}")
write_path = os.path.normpath(f"{PROJECT_PATH}/fastlane_bot/data/blockchain_data/{network_name}")
path_exists = os.path.exists(write_path)
data_path = os.path.normpath(write_path + "/static_pool_data.csv")
data_exists = os.path.exists(data_path)
token_manager = get_all_token_details(network=network_name, write_path=write_path)
if not path_exists:
os.makedirs(write_path)
if not data_exists:
exchange_df = pd.DataFrame(columns=dataframe_key)
univ2_mapdf = pd.DataFrame(columns=["exchange", "address"])
univ3_mapdf = pd.DataFrame(columns=["exchange", "address"])
solidly_v2_mapdf = pd.DataFrame(columns=["exchange", "address"])
else:
exchange_df = pd.read_csv(
write_path + "/static_pool_data.csv",
low_memory=False,
dtype=str,
index_col=False,
)
univ2_mapdf = pd.read_csv(
write_path + "/uniswap_v2_event_mappings.csv", index_col=False
)
univ3_mapdf = pd.read_csv(
write_path + "/uniswap_v3_event_mappings.csv", index_col=False
)
solidly_v2_mapdf = pd.read_csv(
write_path + "/solidly_v2_event_mappings.csv", index_col=False
)
save_token_data(token_manager=token_manager, write_path=write_path)
to_block = web3.eth.block_number
for row in get_multichain_addresses(network_name=network_name).iterrows():
exchange_name = row[1]["exchange_name"]
chain = row[1]["chain"]
fork = row[1]["fork"]
factory_address = row[1]["factory_address"]
fee = row[1]["fee"]
if row[1]["active"] == "FALSE":
continue
from_block = int(row[1]["start_block"]) if not math.isnan(row[1]["start_block"]) else 0
if factory_address is None or type(factory_address) != str or factory_address == "TBD":
print(f"No factory contract address for exchange {exchange_name} on {chain}")
continue
print(f"*** Terraforming {chain} / {exchange_name} from block {from_block:,} to block {to_block:,} ***")
if fork in "uniswap_v2":
if fee == "TBD":
continue
if fork in SOLIDLY_FORKS:
continue
factory_abi = UNISWAP_V2_FACTORY_ABI
add_to_exchange_ids(exchange=exchange_name, fork=fork)
factory_contract = web3.eth.contract(
address=factory_address, abi=factory_abi
)
u_df, m_df = get_uni_v2_pools(
token_manager=token_manager,
exchange=exchange_name,
factory_contract=factory_contract,
default_fee=fee,
start_block=from_block,
end_block=to_block,
web3=web3,
blockchain=network_name
)
m_df = m_df.reset_index(drop=True)
univ2_mapdf = pd.concat([univ2_mapdf, m_df], ignore_index=True)