yield_farming.pyā¢17.2 kB
import os
import logging
from blockchain.ethereum import EthereumClient
from blockchain.polygon import PolygonClient
from blockchain.solana import SolanaClient
logger = logging.getLogger(__name__)
class YieldFarmingOperations:
"""Yield farming and liquidity provision operations"""
def __init__(self):
self.ethereum_client = EthereumClient()
self.polygon_client = PolygonClient()
self.solana_client = SolanaClient()
# Protocol contract addresses
self.protocols = {
'ethereum': {
'uniswap_v2': '0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f',
'uniswap_v3': '0x1F98431c8aD98523631AE4a59f267346ea31F984',
'sushiswap': '0xC0AEe478e3658e2610c5F7A4A2E1777cE9e4f2Ac'
},
'polygon': {
'quickswap': '0x5757371414417b8C6CAad45bAeF941aBc7d3Ab32',
'sushiswap': '0xc35DADB65012eC5796536bD9864eD8773aBc74C4'
}
}
def add_liquidity(self, blockchain, protocol, wallet_address, pool_id, token_a, token_b, amount_a, amount_b):
"""Add liquidity to a farming pool"""
try:
if blockchain.lower() == 'ethereum':
return self._add_liquidity_ethereum(protocol, wallet_address, pool_id, token_a, token_b, amount_a, amount_b)
elif blockchain.lower() == 'polygon':
return self._add_liquidity_polygon(protocol, wallet_address, pool_id, token_a, token_b, amount_a, amount_b)
elif blockchain.lower() == 'solana':
return self._add_liquidity_solana(protocol, wallet_address, pool_id, token_a, token_b, amount_a, amount_b)
else:
return {"success": False, "error": f"Unsupported blockchain: {blockchain}"}
except Exception as e:
logger.error(f"Add liquidity operation failed: {str(e)}")
return {"success": False, "error": str(e)}
def _add_liquidity_ethereum(self, protocol, wallet_address, pool_id, token_a, token_b, amount_a, amount_b):
"""Add liquidity on Ethereum"""
try:
if protocol.lower() == 'uniswap':
return self._add_liquidity_uniswap_v2(wallet_address, token_a, token_b, amount_a, amount_b)
elif protocol.lower() == 'sushiswap':
return self._add_liquidity_sushiswap(wallet_address, token_a, token_b, amount_a, amount_b)
else:
return {"success": False, "error": f"Unsupported protocol: {protocol}"}
except Exception as e:
logger.error(f"Ethereum liquidity addition failed: {str(e)}")
return {"success": False, "error": str(e)}
def _add_liquidity_uniswap_v2(self, wallet_address, token_a, token_b, amount_a, amount_b):
"""Add liquidity to Uniswap V2"""
try:
router_address = "0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D" # Uniswap V2 Router
# ABI for addLiquidity function
add_liquidity_abi = [{
"inputs": [
{"name": "tokenA", "type": "address"},
{"name": "tokenB", "type": "address"},
{"name": "amountADesired", "type": "uint256"},
{"name": "amountBDesired", "type": "uint256"},
{"name": "amountAMin", "type": "uint256"},
{"name": "amountBMin", "type": "uint256"},
{"name": "to", "type": "address"},
{"name": "deadline", "type": "uint256"}
],
"name": "addLiquidity",
"type": "function"
}]
# Calculate minimum amounts (95% of desired amounts for slippage protection)
amount_a_min = int(int(amount_a) * 0.95)
amount_b_min = int(int(amount_b) * 0.95)
deadline = int(self.ethereum_client.get_current_timestamp()) + 3600 # 1 hour from now
# Encode function call
function_data = self.ethereum_client.encode_function_call(
abi=add_liquidity_abi[0],
args=[token_a, token_b, int(amount_a), int(amount_b), amount_a_min, amount_b_min, wallet_address, deadline]
)
# Execute transaction
tx_hash = self.ethereum_client.send_transaction(
wallet_address=wallet_address,
to_address=router_address,
data=function_data,
value="0"
)
if tx_hash:
# Calculate LP tokens received (this would be fetched from transaction receipt)
lp_tokens = self._calculate_lp_tokens(token_a, token_b, amount_a, amount_b)
return {
"success": True,
"tx_hash": tx_hash,
"protocol": "uniswap_v2",
"operation": "add_liquidity",
"token_a": token_a,
"token_b": token_b,
"amount_a": amount_a,
"amount_b": amount_b,
"lp_tokens": lp_tokens,
"pool_address": self._get_pair_address(token_a, token_b),
"metadata": {
"router": router_address,
"deadline": deadline
}
}
else:
return {"success": False, "error": "Transaction failed"}
except Exception as e:
logger.error(f"Uniswap V2 liquidity addition failed: {str(e)}")
return {"success": False, "error": str(e)}
def _add_liquidity_sushiswap(self, wallet_address, token_a, token_b, amount_a, amount_b):
"""Add liquidity to SushiSwap"""
try:
router_address = "0xd9e1cE17f2641f24aE83637ab66a2cca9C378B9F" # SushiSwap Router
# Similar to Uniswap V2, using SushiSwap router
add_liquidity_abi = [{
"inputs": [
{"name": "tokenA", "type": "address"},
{"name": "tokenB", "type": "address"},
{"name": "amountADesired", "type": "uint256"},
{"name": "amountBDesired", "type": "uint256"},
{"name": "amountAMin", "type": "uint256"},
{"name": "amountBMin", "type": "uint256"},
{"name": "to", "type": "address"},
{"name": "deadline", "type": "uint256"}
],
"name": "addLiquidity",
"type": "function"
}]
amount_a_min = int(int(amount_a) * 0.95)
amount_b_min = int(int(amount_b) * 0.95)
deadline = int(self.ethereum_client.get_current_timestamp()) + 3600
function_data = self.ethereum_client.encode_function_call(
abi=add_liquidity_abi[0],
args=[token_a, token_b, int(amount_a), int(amount_b), amount_a_min, amount_b_min, wallet_address, deadline]
)
tx_hash = self.ethereum_client.send_transaction(
wallet_address=wallet_address,
to_address=router_address,
data=function_data,
value="0"
)
if tx_hash:
lp_tokens = self._calculate_lp_tokens(token_a, token_b, amount_a, amount_b)
return {
"success": True,
"tx_hash": tx_hash,
"protocol": "sushiswap",
"operation": "add_liquidity",
"token_a": token_a,
"token_b": token_b,
"amount_a": amount_a,
"amount_b": amount_b,
"lp_tokens": lp_tokens,
"metadata": {
"router": router_address
}
}
else:
return {"success": False, "error": "Transaction failed"}
except Exception as e:
logger.error(f"SushiSwap liquidity addition failed: {str(e)}")
return {"success": False, "error": str(e)}
def _add_liquidity_polygon(self, protocol, wallet_address, pool_id, token_a, token_b, amount_a, amount_b):
"""Add liquidity on Polygon"""
try:
if protocol.lower() == 'quickswap':
return self._add_liquidity_quickswap(wallet_address, token_a, token_b, amount_a, amount_b)
else:
return {"success": False, "error": f"Unsupported protocol: {protocol}"}
except Exception as e:
logger.error(f"Polygon liquidity addition failed: {str(e)}")
return {"success": False, "error": str(e)}
def _add_liquidity_quickswap(self, wallet_address, token_a, token_b, amount_a, amount_b):
"""Add liquidity to QuickSwap"""
try:
router_address = "0xa5E0829CaCEd8fFDD4De3c43696c57F7D7A678ff" # QuickSwap Router
add_liquidity_abi = [{
"inputs": [
{"name": "tokenA", "type": "address"},
{"name": "tokenB", "type": "address"},
{"name": "amountADesired", "type": "uint256"},
{"name": "amountBDesired", "type": "uint256"},
{"name": "amountAMin", "type": "uint256"},
{"name": "amountBMin", "type": "uint256"},
{"name": "to", "type": "address"},
{"name": "deadline", "type": "uint256"}
],
"name": "addLiquidity",
"type": "function"
}]
amount_a_min = int(int(amount_a) * 0.95)
amount_b_min = int(int(amount_b) * 0.95)
deadline = int(self.polygon_client.get_current_timestamp()) + 3600
function_data = self.polygon_client.encode_function_call(
abi=add_liquidity_abi[0],
args=[token_a, token_b, int(amount_a), int(amount_b), amount_a_min, amount_b_min, wallet_address, deadline]
)
tx_hash = self.polygon_client.send_transaction(
wallet_address=wallet_address,
to_address=router_address,
data=function_data,
value="0"
)
if tx_hash:
return {
"success": True,
"tx_hash": tx_hash,
"protocol": "quickswap",
"operation": "add_liquidity",
"token_a": token_a,
"token_b": token_b,
"amount_a": amount_a,
"amount_b": amount_b,
"blockchain": "polygon",
"metadata": {
"router": router_address
}
}
else:
return {"success": False, "error": "Transaction failed"}
except Exception as e:
logger.error(f"QuickSwap liquidity addition failed: {str(e)}")
return {"success": False, "error": str(e)}
def _add_liquidity_solana(self, protocol, wallet_address, pool_id, token_a, token_b, amount_a, amount_b):
"""Add liquidity on Solana"""
try:
if protocol.lower() == 'raydium':
return self._add_liquidity_raydium(wallet_address, pool_id, token_a, token_b, amount_a, amount_b)
elif protocol.lower() == 'orca':
return self._add_liquidity_orca(wallet_address, pool_id, token_a, token_b, amount_a, amount_b)
else:
return {"success": False, "error": f"Unsupported protocol: {protocol}"}
except Exception as e:
logger.error(f"Solana liquidity addition failed: {str(e)}")
return {"success": False, "error": str(e)}
def _add_liquidity_raydium(self, wallet_address, pool_id, token_a, token_b, amount_a, amount_b):
"""Add liquidity to Raydium"""
try:
# This would use Raydium SDK or direct instruction building
instruction = self.solana_client.build_raydium_add_liquidity_instruction(
wallet_address=wallet_address,
pool_id=pool_id,
token_a=token_a,
token_b=token_b,
amount_a=amount_a,
amount_b=amount_b
)
tx_hash = self.solana_client.send_transaction(
wallet_address=wallet_address,
instructions=[instruction]
)
if tx_hash:
return {
"success": True,
"tx_hash": tx_hash,
"protocol": "raydium",
"operation": "add_liquidity",
"pool_id": pool_id,
"token_a": token_a,
"token_b": token_b,
"amount_a": amount_a,
"amount_b": amount_b,
"blockchain": "solana"
}
else:
return {"success": False, "error": "Transaction failed"}
except Exception as e:
logger.error(f"Raydium liquidity addition failed: {str(e)}")
return {"success": False, "error": str(e)}
def remove_liquidity(self, blockchain, protocol, wallet_address, pool_id, lp_tokens):
"""Remove liquidity from a farming pool"""
try:
if blockchain.lower() == 'ethereum':
return self._remove_liquidity_ethereum(protocol, wallet_address, pool_id, lp_tokens)
elif blockchain.lower() == 'polygon':
return self._remove_liquidity_polygon(protocol, wallet_address, pool_id, lp_tokens)
elif blockchain.lower() == 'solana':
return self._remove_liquidity_solana(protocol, wallet_address, pool_id, lp_tokens)
else:
return {"success": False, "error": f"Unsupported blockchain: {blockchain}"}
except Exception as e:
logger.error(f"Remove liquidity operation failed: {str(e)}")
return {"success": False, "error": str(e)}
def get_farming_positions(self, blockchain, wallet_address):
"""Get farming positions for a wallet"""
try:
positions = []
if blockchain.lower() == 'ethereum':
uniswap_positions = self._get_uniswap_positions(wallet_address)
positions.extend(uniswap_positions)
sushiswap_positions = self._get_sushiswap_positions(wallet_address)
positions.extend(sushiswap_positions)
elif blockchain.lower() == 'polygon':
quickswap_positions = self._get_quickswap_positions(wallet_address)
positions.extend(quickswap_positions)
elif blockchain.lower() == 'solana':
raydium_positions = self._get_raydium_positions(wallet_address)
positions.extend(raydium_positions)
orca_positions = self._get_orca_positions(wallet_address)
positions.extend(orca_positions)
return {"success": True, "positions": positions}
except Exception as e:
logger.error(f"Failed to get farming positions: {str(e)}")
return {"success": False, "error": str(e)}
def _calculate_lp_tokens(self, token_a, token_b, amount_a, amount_b):
"""Calculate LP tokens received (simplified calculation)"""
# This would use actual pool reserves to calculate precise LP tokens
return str(int(amount_a) + int(amount_b)) # Simplified calculation
def _get_pair_address(self, token_a, token_b):
"""Get pair contract address for tokens"""
# This would calculate or fetch the actual pair address
return "0x" + "0" * 40 # Placeholder
def _get_uniswap_positions(self, wallet_address):
"""Get Uniswap positions"""
# This would query Uniswap subgraph or contracts
return []
def _get_sushiswap_positions(self, wallet_address):
"""Get SushiSwap positions"""
# This would query SushiSwap subgraph or contracts
return []
def _get_quickswap_positions(self, wallet_address):
"""Get QuickSwap positions"""
# This would query QuickSwap subgraph or contracts
return []
def _get_raydium_positions(self, wallet_address):
"""Get Raydium positions"""
# This would query Raydium API or on-chain data
return []
def _get_orca_positions(self, wallet_address):
"""Get Orca positions"""
# This would query Orca API or on-chain data
return []