ETH Price: $2,678.30 (+2.29%)

Children of Ukiyo (CoU)
 

Overview

TokenID

3981

Total Transfers

-

Market

Onchain Market Cap

$0.00

Circulating Supply Market Cap

-
Loading...
Loading
Loading...
Loading
Loading...
Loading

Click here to update the token information / general information
# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
ERC1967Proxy

Compiler Version
v0.8.4+commit.c7e474f2

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 7 : ERC1967Proxy.sol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Proxy.sol)
pragma solidity ^0.8.0;
import "../Proxy.sol";
import "./ERC1967Upgrade.sol";
/**
* @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
* implementation address that can be changed. This address is stored in storage in the location specified by
* https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
* implementation behind the proxy.
*/
contract ERC1967Proxy is Proxy, ERC1967Upgrade {
/**
* @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
*
* If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
* function call, and allows initializating the storage of the proxy like a Solidity constructor.
*/
constructor(address _logic, bytes memory _data) payable {
assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
_upgradeToAndCall(_logic, _data, false);
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

File 2 of 7 : Proxy.sol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/Proxy.sol)
pragma solidity ^0.8.0;
/**
* @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
* instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
* be specified by overriding the virtual {_implementation} function.
*
* Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
* different contract through the {_delegate} function.
*
* The success and return data of the delegated call will be returned back to the caller of the proxy.
*/
abstract contract Proxy {
/**
* @dev Delegates the current call to `implementation`.
*
* This function does not return to its internal call site, it will return directly to the external caller.
*/
function _delegate(address implementation) internal virtual {
assembly {
// Copy msg.data. We take full control of memory in this inline assembly
// block because it will not return to Solidity code. We overwrite the
// Solidity scratch pad at memory position 0.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

File 3 of 7 : ERC1967Upgrade.sol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol)
pragma solidity ^0.8.2;
import "../beacon/IBeacon.sol";
import "../../interfaces/draft-IERC1822.sol";
import "../../utils/Address.sol";
import "../../utils/StorageSlot.sol";
/**
* @dev This abstract contract provides getters and event emitting update functions for
* https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
*
* _Available since v4.1._
*
* @custom:oz-upgrades-unsafe-allow delegatecall
*/
abstract contract ERC1967Upgrade {
// This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;
/**
* @dev Storage slot with the address of the current implementation.
* This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
* validated in the constructor.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

File 4 of 7 : IBeacon.sol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)
pragma solidity ^0.8.0;
/**
* @dev This is the interface that {BeaconProxy} expects of its beacon.
*/
interface IBeacon {
/**
* @dev Must return an address that can be used as a delegate call target.
*
* {BeaconProxy} will check that this address is a contract.
*/
function implementation() external view returns (address);
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

File 5 of 7 : draft-IERC1822.sol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)
pragma solidity ^0.8.0;
/**
* @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
* proxy whose upgrades are fully controlled by the current implementation.
*/
interface IERC1822Proxiable {
/**
* @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
* address.
*
* IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
* bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
* function revert if invoked through a proxy.
*/
function proxiableUUID() external view returns (bytes32);
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

File 6 of 7 : Address.sol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

File 7 of 7 : StorageSlot.sol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/StorageSlot.sol)
pragma solidity ^0.8.0;
/**
* @dev Library for reading and writing primitive types to specific storage slots.
*
* Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
* This library helps with reading and writing to such slots without the need for inline assembly.
*
* The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
*
* Example usage to set ERC1967 implementation slot:
* ```
* contract ERC1967 {
* bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
*
* function _getImplementation() internal view returns (address) {
* return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
* }
*
* function _setImplementation(address newImplementation) internal {
* require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
* StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
* }
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Settings
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
{
"optimizer": {
"enabled": true,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"libraries": {}
}
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]

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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)

0000000000000000000000007890ab3543974b3f3b2413f9c5602fafa5529bb8000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000001647316ee62000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c00000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000014000000000000000000000000000000000000000000000000000000000000000114368696c6472656e206f6620556b69796f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003436f5500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007697066733a2f2f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _logic (address): 0x7890aB3543974B3f3b2413f9C5602FAfa5529BB8
Arg [1] : _data (bytes): 0x7316ee62000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c00000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000014000000000000000000000000000000000000000000000000000000000000000114368696c6472656e206f6620556b69796f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003436f5500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007697066733a2f2f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

-----Encoded View---------------
15 Constructor Arguments found :
Arg [0] : 0000000000000000000000007890ab3543974b3f3b2413f9c5602fafa5529bb8
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000164
Arg [3] : 7316ee6200000000000000000000000000000000000000000000000000000000
Arg [4] : 0000008000000000000000000000000000000000000000000000000000000000
Arg [5] : 000000c000000000000000000000000000000000000000000000000000000000
Arg [6] : 0000010000000000000000000000000000000000000000000000000000000000
Arg [7] : 0000014000000000000000000000000000000000000000000000000000000000
Arg [8] : 000000114368696c6472656e206f6620556b69796f0000000000000000000000
Arg [9] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [10] : 00000003436f5500000000000000000000000000000000000000000000000000
Arg [11] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [12] : 00000007697066733a2f2f000000000000000000000000000000000000000000
Arg [13] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [14] : 0000000000000000000000000000000000000000000000000000000000000000


Loading...
Loading
Loading...
Loading
[ Download: CSV Export  ]

A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.