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# @version 0.3.1
"""
@title Curve LP Token V5
@author Curve.Fi
@notice Base implementation for an LP token provided for supplying liquidity
@dev Follows the ERC-20 token standard as defined at https://eips.ethereum.org/EIPS/eip-20
"""
from vyper.interfaces import ERC20
implements: ERC20
interface ERC1271:
    def isValidSignature(_hash: bytes32, _signature: Bytes[65]) -> bytes32: view
event Approval:
    _owner: indexed(address)
    _spender: indexed(address)
    _value: uint256
event Transfer:
    _from: indexed(address)
    _to: indexed(address)
    _value: uint256
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