MATIC Price: $0.72 (-1.16%)
Gas: 244 GWei
 

Overview

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MATIC Value

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Sponsored

Transaction Hash
Method
Block
From
To
Value
Apply_transfer_o...142087852021-05-07 16:43:211081 days ago1620405801IN
0x00000000...046FC4383
0 MATIC0.000020831
Commit_transfer_...139942862021-05-02 10:42:361086 days ago1619952156IN
0x00000000...046FC4383
0 MATIC0.000065011
Add_new_id139924022021-05-02 9:35:081086 days ago1619948108IN
0x00000000...046FC4383
0 MATIC0.000153421
Add_new_id139921992021-05-02 9:27:511086 days ago1619947671IN
0x00000000...046FC4383
0 MATIC0.00015351
Set_address139919332021-05-02 9:18:391086 days ago1619947119IN
0x00000000...046FC4383
0 MATIC0.000127411
0x60206108135495632021-04-21 12:41:101097 days ago1619008870IN
 Create: Vyper_contract
0 MATIC0.000561211

Parent Transaction Hash Block From To Value
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Contract Source Code Verified (Exact Match)

Contract Name:
Vyper_contract

Compiler Version
vyper:0.2.7

Optimization Enabled:
N/A

Other Settings:
MIT license

Contract Source Code (Vyper language format)

# @version 0.2.7
"""
@title Curve Registry Address Provider
@license MIT
@author Curve.Fi
"""

event NewAddressIdentifier:
    id: indexed(uint256)
    addr: address
    description: String[64]

event AddressModified:
    id: indexed(uint256)
    new_address: address
    version: uint256

event CommitNewAdmin:
    deadline: indexed(uint256)
    admin: indexed(address)

event NewAdmin:
    admin: indexed(address)


struct AddressInfo:
    addr: address
    is_active: bool
    version: uint256
    last_modified: uint256
    description: String[64]


registry: address
admin: public(address)
transfer_ownership_deadline: public(uint256)
future_admin: public(address)

queue_length: uint256
get_id_info: public(HashMap[uint256, AddressInfo])


@external
def __init__(_admin: address):
    self.admin = _admin
    self.queue_length = 1
    self.get_id_info[0].description = "Main Registry"


@view
@external
def get_registry() -> address:
    """
    @notice Get the address of the main registry contract
    @dev This is a gas-efficient way of calling `AddressProvider.get_address(0)`
    @return address main registry contract
    """
    return self.registry


@view
@external
def max_id() -> uint256:
    """
    @notice Get the highest ID set within the address provider
    @return uint256 max ID
    """
    return self.queue_length - 1


@view
@external
def get_address(_id: uint256) -> address:
    """
    @notice Fetch the address associated with `_id`
    @dev Returns ZERO_ADDRESS if `_id` has not been defined, or has been unset
    @param _id Identifier to fetch an address for
    @return Current address associated to `_id`
    """
    return self.get_id_info[_id].addr


@external
def add_new_id(_address: address, _description: String[64]) -> uint256:
    """
    @notice Add a new identifier to the registry
    @dev ID is auto-incremented
    @param _address Initial address to assign to new identifier
    @param _description Human-readable description of the identifier
    @return uint256 identifier
    """
    assert msg.sender == self.admin  # dev: admin-only function
    assert _address.is_contract  # dev: not a contract

    id: uint256 = self.queue_length
    self.get_id_info[id] = AddressInfo({
        addr: _address,
        is_active: True,
        version: 1,
        last_modified: block.timestamp,
        description: _description
    })
    self.queue_length = id + 1

    log NewAddressIdentifier(id, _address, _description)

    return id


@external
def set_address(_id: uint256, _address: address) -> bool:
    """
    @notice Set a new address for an existing identifier
    @param _id Identifier to set the new address for
    @param _address Address to set
    @return bool success
    """
    assert msg.sender == self.admin  # dev: admin-only function
    assert _address.is_contract  # dev: not a contract
    assert self.queue_length > _id  # dev: id does not exist

    version: uint256 = self.get_id_info[_id].version + 1

    self.get_id_info[_id].addr = _address
    self.get_id_info[_id].is_active = True
    self.get_id_info[_id].version = version
    self.get_id_info[_id].last_modified = block.timestamp

    if _id == 0:
        self.registry = _address

    log AddressModified(_id, _address, version)

    return True


@external
def unset_address(_id: uint256) -> bool:
    """
    @notice Unset an existing identifier
    @dev An identifier cannot ever be removed, it can only have the
         address unset so that it returns ZERO_ADDRESS
    @param _id Identifier to unset
    @return bool success
    """
    assert msg.sender == self.admin  # dev: admin-only function
    assert self.get_id_info[_id].is_active  # dev: not active

    self.get_id_info[_id].is_active = False
    self.get_id_info[_id].addr = ZERO_ADDRESS
    self.get_id_info[_id].last_modified = block.timestamp

    if _id == 0:
        self.registry = ZERO_ADDRESS

    log AddressModified(_id, ZERO_ADDRESS, self.get_id_info[_id].version)

    return True


@external
def commit_transfer_ownership(_new_admin: address) -> bool:
    """
    @notice Initiate a transfer of contract ownership
    @dev Once initiated, the actual transfer may be performed three days later
    @param _new_admin Address of the new owner account
    @return bool success
    """
    assert msg.sender == self.admin  # dev: admin-only function
    assert self.transfer_ownership_deadline == 0  # dev: transfer already active

    deadline: uint256 = block.timestamp + 3*86400
    self.transfer_ownership_deadline = deadline
    self.future_admin = _new_admin

    log CommitNewAdmin(deadline, _new_admin)

    return True


@external
def apply_transfer_ownership() -> bool:
    """
    @notice Finalize a transfer of contract ownership
    @dev May only be called by the current owner, three days after a
         call to `commit_transfer_ownership`
    @return bool success
    """
    assert msg.sender == self.admin  # dev: admin-only function
    assert self.transfer_ownership_deadline != 0  # dev: transfer not active
    assert block.timestamp >= self.transfer_ownership_deadline  # dev: now < deadline

    new_admin: address = self.future_admin
    self.admin = new_admin
    self.transfer_ownership_deadline = 0

    log NewAdmin(new_admin)

    return True


@external
def revert_transfer_ownership() -> bool:
    """
    @notice Revert a transfer of contract ownership
    @dev May only be called by the current owner
    @return bool success
    """
    assert msg.sender == self.admin  # dev: admin-only function

    self.transfer_ownership_deadline = 0

    return True

Contract Security Audit

Contract ABI

[{"name":"NewAddressIdentifier","inputs":[{"type":"uint256","name":"id","indexed":true},{"type":"address","name":"addr","indexed":false},{"type":"string","name":"description","indexed":false}],"anonymous":false,"type":"event"},{"name":"AddressModified","inputs":[{"type":"uint256","name":"id","indexed":true},{"type":"address","name":"new_address","indexed":false},{"type":"uint256","name":"version","indexed":false}],"anonymous":false,"type":"event"},{"name":"CommitNewAdmin","inputs":[{"type":"uint256","name":"deadline","indexed":true},{"type":"address","name":"admin","indexed":true}],"anonymous":false,"type":"event"},{"name":"NewAdmin","inputs":[{"type":"address","name":"admin","indexed":true}],"anonymous":false,"type":"event"},{"outputs":[],"inputs":[{"type":"address","name":"_admin"}],"stateMutability":"nonpayable","type":"constructor"},{"name":"get_registry","outputs":[{"type":"address","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1061},{"name":"max_id","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1258},{"name":"get_address","outputs":[{"type":"address","name":""}],"inputs":[{"type":"uint256","name":"_id"}],"stateMutability":"view","type":"function","gas":1308},{"name":"add_new_id","outputs":[{"type":"uint256","name":""}],"inputs":[{"type":"address","name":"_address"},{"type":"string","name":"_description"}],"stateMutability":"nonpayable","type":"function","gas":291275},{"name":"set_address","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"uint256","name":"_id"},{"type":"address","name":"_address"}],"stateMutability":"nonpayable","type":"function","gas":182430},{"name":"unset_address","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"uint256","name":"_id"}],"stateMutability":"nonpayable","type":"function","gas":101348},{"name":"commit_transfer_ownership","outputs":[{"type":"bool","name":""}],"inputs":[{"type":"address","name":"_new_admin"}],"stateMutability":"nonpayable","type":"function","gas":74048},{"name":"apply_transfer_ownership","outputs":[{"type":"bool","name":""}],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":60125},{"name":"revert_transfer_ownership","outputs":[{"type":"bool","name":""}],"inputs":[],"stateMutability":"nonpayable","type":"function","gas":21400},{"name":"admin","outputs":[{"type":"address","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1331},{"name":"transfer_ownership_deadline","outputs":[{"type":"uint256","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1361},{"name":"future_admin","outputs":[{"type":"address","name":""}],"inputs":[],"stateMutability":"view","type":"function","gas":1391},{"name":"get_id_info","outputs":[{"type":"address","name":"addr"},{"type":"bool","name":"is_active"},{"type":"uint256","name":"version"},{"type":"uint256","name":"last_modified"},{"type":"string","name":"description"}],"inputs":[{"type":"uint256","name":"arg0"}],"stateMutability":"view","type":"function","gas":12168}]

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Deployed Bytecode

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000007eeac6cddbd1d0b8af061742d41877d7f707289a

-----Decoded View---------------
Arg [0] : _admin (address): 0x7EeAC6CDdbd1D0B8aF061742D41877D7F707289a

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000007eeac6cddbd1d0b8af061742d41877d7f707289a


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