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# @version ^0.3.3

interface Vault():
    def deposit(amount: uint256, recipient: address) -> uint256: nonpayable
    def withdraw(maxShares: uint256, recipient: address, max_loss: uint256) -> uint256: nonpayable
    def transferFrom(_from : address, _to : address, _value : uint256) -> bool: nonpayable
    def transfer(_to : address, _value : uint256) -> bool: nonpayable
    def token() -> address: nonpayable
    def balanceOf(owner: address) -> uint256: view

interface WEth(ERC20):
    def deposit(): payable
    def approve(_spender : address, _value : uint256) -> bool: nonpayable
    def withdraw(amount: uint256): nonpayable

VAULT: immutable(Vault)
WETH: immutable(WEth)
started_withdraw: bool

@external
def __init__(vault: address):
    weth: address = Vault(vault).token()
    VAULT = Vault(vault)
    WETH = WEth(weth)
    WEth(weth).approve(vault, MAX_UINT256)
    self.started_withdraw = False

@internal
def _deposit(sender: address, amount: uint256):
    assert amount != 0 #dev: "!value"
    WETH.deposit(value= amount)
    VAULT.deposit(amount, sender)

@external
@payable
def deposit():
    self._deposit(msg.sender, msg.value)

@external
@nonpayable
def withdraw(amount: uint256, max_loss: uint256 = 1):
    self.started_withdraw = True
    VAULT.transferFrom(msg.sender, self, amount)
    weth_amount: uint256 = VAULT.withdraw(amount, self, max_loss)
    assert amount != 0 #dev: "!amount"
    WETH.withdraw(weth_amount)
    send(msg.sender, weth_amount)
    left_over: uint256 = VAULT.balanceOf(self)
    if left_over > 0:
        VAULT.transfer(msg.sender, left_over)
    self.started_withdraw = False

@external
@payable
def __default__():
    if self.started_withdraw == False:
        self._deposit(msg.sender, msg.value)

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[{"stateMutability":"nonpayable","type":"constructor","inputs":[{"name":"vault","type":"address"}],"outputs":[]},{"stateMutability":"payable","type":"function","name":"deposit","inputs":[],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"withdraw","inputs":[{"name":"amount","type":"uint256"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"withdraw","inputs":[{"name":"amount","type":"uint256"},{"name":"max_loss","type":"uint256"}],"outputs":[]},{"stateMutability":"payable","type":"fallback"}]

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

000000000000000000000000a258c4606ca8206d8aa700ce2143d7db854d168c

-----Decoded View---------------
Arg [0] : vault (address): 0xa258C4606Ca8206D8aA700cE2143D7db854D168c

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000a258c4606ca8206d8aa700ce2143d7db854d168c