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# @version 0.3.10
"""
@title Minter Proxy
@dev Middleware to allow multiple minters for a token.
"""

interface MERC20:
    def mint(_to: address, _value: uint256): nonpayable


event TransferOwnership:
    owner: address


TOKEN: public(immutable(address))


is_minter: public(HashMap[address, bool])

owner: public(address)
future_owner: public(address)


@external
def __init__(token: address):
    TOKEN = token

    self.owner = msg.sender


@external
def mint(_to: address, _value: uint256):
    assert self.is_minter[msg.sender]
    
    MERC20(TOKEN).mint(_to, _value)


@external
def set_minter(_minter: address, _is_approved: bool):
    assert msg.sender == self.owner

    self.is_minter[_minter] = _is_approved


@external
def commit_transfer_ownership(_future_owner: address):
    """
    @notice Transfer ownership to `_future_owner`
    @param _future_owner The account to commit as the future owner
    """
    assert msg.sender == self.owner  # dev: only owner

    self.future_owner = _future_owner


@external
def accept_transfer_ownership():
    """
    @notice Accept the transfer of ownership
    @dev Only the committed future owner can call this function
    """
    assert msg.sender == self.future_owner  # dev: only future owner

    self.owner = msg.sender
    log TransferOwnership(msg.sender)

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[{"name":"TransferOwnership","inputs":[{"name":"owner","type":"address","indexed":false}],"anonymous":false,"type":"event"},{"stateMutability":"nonpayable","type":"constructor","inputs":[{"name":"token","type":"address"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"mint","inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"set_minter","inputs":[{"name":"_minter","type":"address"},{"name":"_is_approved","type":"bool"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"commit_transfer_ownership","inputs":[{"name":"_future_owner","type":"address"}],"outputs":[]},{"stateMutability":"nonpayable","type":"function","name":"accept_transfer_ownership","inputs":[],"outputs":[]},{"stateMutability":"view","type":"function","name":"TOKEN","inputs":[],"outputs":[{"name":"","type":"address"}]},{"stateMutability":"view","type":"function","name":"is_minter","inputs":[{"name":"arg0","type":"address"}],"outputs":[{"name":"","type":"bool"}]},{"stateMutability":"view","type":"function","name":"owner","inputs":[],"outputs":[{"name":"","type":"address"}]},{"stateMutability":"view","type":"function","name":"future_owner","inputs":[],"outputs":[{"name":"","type":"address"}]}]

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

0000000000000000000000005191946500e75f0a74476f146df7d386e52961d9

-----Decoded View---------------
Arg [0] : token (address): 0x5191946500e75f0A74476F146dF7d386e52961d9

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000005191946500e75f0a74476f146df7d386e52961d9