ERC-20
Liquid staking
Overview
Max Total Supply
394,150.621365061869784889 cbETH
Holders
59,320 ( -0.236%)
Market
Price
$2,729.15 @ 1.081505 ETH (-5.18%)
Onchain Market Cap
$1,075,696,168.30
Circulating Supply Market Cap
$490,798,080.00
Other Info
Token Contract (WITH 18 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | PancakeSwap V3 (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,732.82 1.0828410 Eth | $1,839,083.00 672.836 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 22.9533% |
2 | Coinbase Exchange | CBETH-USD | $2,728.00 1.0809040 Eth | $1,536,018.00 563.056 CBETH | 19.2083% |
3 | Uniswap V3 (Ethereum) | 0XBE9895146F7AF43049CA1C1AE358B0541EA49704-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $2,735.19 1.0829720 Eth | $1,173,308.00 429.370 0XBE9895146F7AF43049CA1C1AE358B0541EA49704 | 14.6476% |
4 | Uniswap V3 (Ethereum) | 0XBE9895146F7AF43049CA1C1AE358B0541EA49704-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $2,733.31 1.0830090 Eth | $927,923.00 339.767 0XBE9895146F7AF43049CA1C1AE358B0541EA49704 | 11.5909% |
5 | Aerodrome SlipStream | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,736.28 1.0841850 Eth | $770,784.00 281.711 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 9.6104% |
6 | Uniswap V3 (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,734.44 1.0834570 Eth | $493,411.00 180.439 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 6.1556% |
7 | Coinbase Exchange | CBETH-ETH | $2,731.84 1.0824260 Eth | $481,679.00 176.320 CBETH | 6.0150% |
8 | SwapBased V3 | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,734.05 1.0833020 Eth | $156,578.00 57.256 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 1.9533% |
9 | Curve (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,734.46 1.0834650 Eth | $153,104.00 55.972 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 1.9094% |
10 | Uniswap V3 (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $2,737.06 1.0844920 Eth | $137,478.00 49.054 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 1.6734% |
11 | DackieSwap V3 | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,729.40 1.0808480 Eth | $89,249.00 32.690 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 1.1152% |
12 | Maverick Protocol (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,733.31 1.0839390 Eth | $84,974.00 31.088 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 1.0606% |
13 | Alien Base V3 | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,734.42 1.0836270 Eth | $40,350.00 14.751 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.5032% |
14 | Curve (Ethereum) | 0XBE9895146F7AF43049CA1C1AE358B0541EA49704-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $2,724.35 1.0819720 Eth | $32,719.00 12.008 0XBE9895146F7AF43049CA1C1AE358B0541EA49704 | 0.4096% |
15 | Uniswap V3 (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,734.44 1.0834570 Eth | $22,996.00 8.405 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.2867% |
16 | Solidly V3 (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,731.01 1.0813500 Eth | $19,468.47 7.113 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.2427% |
17 | Alien Base | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,741.87 1.0864280 Eth | $19,208.84 7.022 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.2396% |
18 | Balancer V2 (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,728.44 1.0826260 Eth | $13,953.60 5.113 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.1744% |
19 | Matcha (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $2,883.07 1.0813380 Eth | $8,855.26 3.075 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.1049% |
20 | Uniswap V3 (Arbitrum One) | 0X1DEBD73E752BEAF79865FD6446B0C970EAE7732F-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1 | $2,732.43 1.0826880 Eth | $8,125.19 2.986 0X1DEBD73E752BEAF79865FD6446B0C970EAE7732F | 0.1019% |
21 | BaseSwap V3 | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF | $2,732.13 1.0817930 Eth | $7,534.13 2.739 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0934% |
22 | Aerodrome (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,725.60 1.0799520 Eth | $2,376.07 0.884 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0302% |
23 | PancakeSwap V3 (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,732.82 1.0828410 Eth | $1,390.01 0.509 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0174% |
24 | Velodrome SlipStream | 0XADDB6A0412DE1BA0F936DCAEB8AAA24578DCF3B2-0X4200000000000000000000000000000000000006 | $2,734.28 1.0833920 Eth | $642.64 0.235 0XADDB6A0412DE1BA0F936DCAEB8AAA24578DCF3B2 | 0.0080% |
25 | Aerodrome (Base) | 0X04C0599AE5A44757C0AF6F9EC3B93DA8976C150A-0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | $2,740.32 1.0875680 Eth | $423.56 0.160 0X04C0599AE5A44757C0AF6F9EC3B93DA8976C150A | 0.0055% |
26 | Matcha (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,756.87 1.0832740 Eth | $410.12 0.149 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0051% |
27 | Aerodrome (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,729.35 1.0814380 Eth | $382.50 0.140 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0048% |
28 | BaseSwap | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,737.07 1.0845270 Eth | $323.45 0.118 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0040% |
29 | Aerodrome (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $2,729.64 1.0815810 Eth | $269.67 0.097 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0033% |
30 | PancakeSwap V3 (Ethereum) | 0XBE9895146F7AF43049CA1C1AE358B0541EA49704-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $2,849.10 1.0828240 Eth | $263.29 0.092 0XBE9895146F7AF43049CA1C1AE358B0541EA49704 | 0.0032% |
31 | Uniswap V2 (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,731.01 1.0862980 Eth | $205.92 0.076 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0026% |
32 | Maverick Protocol (zkSync) | 0X5AEA5775959FBC2557CC8789BC1BF90A239D9A91-0X75AF292C1C9A37B3EA2E6041168B4E48875B9ED5 | $2,717.71 1.0695590 Eth | $197.07 0.078 0X5AEA5775959FBC2557CC8789BC1BF90A239D9A91 | 0.0026% |
33 | SushiSwap V3 (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,732.49 1.0827100 Eth | $119.41 0.044 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0015% |
34 | Balancer V2 | 0X7F39C581F595B53C5CB19BD0B3F8DA6C935E2CA0-0XBE9895146F7AF43049CA1C1AE358B0541EA49704 | $2,820.42 1.0770430 Eth | $77.76 0.025 0X7F39C581F595B53C5CB19BD0B3F8DA6C935E2CA0 | 0.0009% |
35 | Aerodrome (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X74CCBE53F77B08632CE0CB91D3A545BF6B8E0979 | $2,746.51 1.0876220 Eth | $69.58 0.025 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0009% |
36 | Maverick Protocol (zkSync) | 0X5AEA5775959FBC2557CC8789BC1BF90A239D9A91-0X75AF292C1C9A37B3EA2E6041168B4E48875B9ED5 | $2,684.32 1.0691210 Eth | $41.37 0.016 0X5AEA5775959FBC2557CC8789BC1BF90A239D9A91 | 0.0006% |
37 | Uniswap V3 (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0XB6FE221FE9EEF5ABA221C348BA20A1BF5E73624C | $2,729.58 1.0802580 Eth | $25.36 0.009 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0003% |
38 | Uniswap V3 (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,712.96 1.0833710 Eth | $20.84 0.008 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0003% |
39 | Uniswap V3 (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0XC1CBA3FCEA344F92D9239C08C0568F6F2F0EE452 | $2,848.93 1.0828390 Eth | $19.56 0.007 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0002% |
40 | Uniswap V2 (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF | $2,729.03 1.0859170 Eth | $17.19 0.006 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0002% |
41 | Quickswap (v3) | 0X4B4327DB1600B8B1440163F667E199CEF35385F5-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619 | $2,730.74 1.0813760 Eth | $16.82 0.006 0X4B4327DB1600B8B1440163F667E199CEF35385F5 | 0.0002% |
42 | Equalizer (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X54016A4848A38F257B6E96331F7404073FD9C32C | $2,759.37 1.0924630 Eth | $15.12 0.005 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0002% |
43 | Uniswap V3 (Base) | 0X236AA50979D5F3DE3BD1EEB40E81137F22AB794B-0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | $2,726.34 1.0804230 Eth | $13.28 0.000 0X236AA50979D5F3DE3BD1EEB40E81137F22AB794B | 0.0000% |
44 | Maverick Protocol (Base) | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,733.12 1.0819260 Eth | $8.09 0.003 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0001% |
45 | Synthswap | 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22-0X4200000000000000000000000000000000000006 | $2,725.50 1.0833760 Eth | $1.39 0.001 0X2AE3F1EC7F1F5012CFEAB0185BFC7AA3CF0DEC22 | 0.0000% |
Contract Name:
FiatTokenProxy
Compiler Version
v0.6.12+commit.27d51765
Optimization Enabled:
Yes with 1000000 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
/** * SPDX-License-Identifier: MIT * * Copyright (c) 2018-2020 CENTRE SECZ * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ pragma solidity 0.6.12; import { AdminUpgradeabilityProxy } from "../upgradeability/AdminUpgradeabilityProxy.sol"; /** * @title FiatTokenProxy * @dev This contract proxies FiatToken calls and enables FiatToken upgrades */ contract FiatTokenProxy is AdminUpgradeabilityProxy { constructor(address implementationContract) public AdminUpgradeabilityProxy(implementationContract) {} }
/** * SPDX-License-Identifier: MIT * * Copyright (c) 2018 zOS Global Limited. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ pragma solidity 0.6.12; import { UpgradeabilityProxy } from "./UpgradeabilityProxy.sol"; /** * @notice This contract combines an upgradeability proxy with an authorization * mechanism for administrative tasks. * @dev Forked from https://github.com/zeppelinos/zos-lib/blob/8a16ef3ad17ec7430e3a9d2b5e3f39b8204f8c8d/contracts/upgradeability/AdminUpgradeabilityProxy.sol * Modifications: * 1. Reformat, conform to Solidity 0.6 syntax, and add error messages (5/13/20) * 2. Remove ifAdmin modifier from admin() and implementation() (5/13/20) */ contract AdminUpgradeabilityProxy is UpgradeabilityProxy { /** * @dev Emitted when the administration has been transferred. * @param previousAdmin Address of the previous admin. * @param newAdmin Address of the new admin. */ event AdminChanged(address previousAdmin, address newAdmin); /** * @dev Storage slot with the admin of the contract. * This is the keccak-256 hash of "org.zeppelinos.proxy.admin", and is * validated in the constructor. */ bytes32 private constant ADMIN_SLOT = 0x10d6a54a4754c8869d6886b5f5d7fbfa5b4522237ea5c60d11bc4e7a1ff9390b; /** * @dev Modifier to check whether the `msg.sender` is the admin. * If it is, it will run the function. Otherwise, it will delegate the call * to the implementation. */ modifier ifAdmin() { if (msg.sender == _admin()) { _; } else { _fallback(); } } /** * @dev Contract constructor. * It sets the `msg.sender` as the proxy administrator. * @param implementationContract address of the initial implementation. */ constructor(address implementationContract) public UpgradeabilityProxy(implementationContract) { assert(ADMIN_SLOT == keccak256("org.zeppelinos.proxy.admin")); _setAdmin(msg.sender); } /** * @return The address of the proxy admin. */ function admin() external view returns (address) { return _admin(); } /** * @return The address of the implementation. */ function implementation() external view returns (address) { return _implementation(); } /** * @dev Changes the admin of the proxy. * Only the current admin can call this function. * @param newAdmin Address to transfer proxy administration to. */ function changeAdmin(address newAdmin) external ifAdmin { require( newAdmin != address(0), "Cannot change the admin of a proxy to the zero address" ); emit AdminChanged(_admin(), newAdmin); _setAdmin(newAdmin); } /** * @dev Upgrade the backing implementation of the proxy. * Only the admin can call this function. * @param newImplementation Address of the new implementation. */ function upgradeTo(address newImplementation) external ifAdmin { _upgradeTo(newImplementation); } /** * @dev Upgrade the backing implementation of the proxy and call a function * on the new implementation. * This is useful to initialize the proxied contract. * @param newImplementation Address of the new implementation. * @param data Data to send as msg.data in the low level call. * It should include the signature and the parameters of the function to be * called, as described in * https://solidity.readthedocs.io/en/develop/abi-spec.html#function-selector-and-argument-encoding. */ function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin { _upgradeTo(newImplementation); // prettier-ignore // solhint-disable-next-line avoid-low-level-calls (bool success,) = address(this).call{value: msg.value}(data); // solhint-disable-next-line reason-string require(success); } /** * @return adm The admin slot. */ function _admin() internal view returns (address adm) { bytes32 slot = ADMIN_SLOT; assembly { adm := sload(slot) } } /** * @dev Sets the address of the proxy admin. * @param newAdmin Address of the new proxy admin. */ function _setAdmin(address newAdmin) internal { bytes32 slot = ADMIN_SLOT; assembly { sstore(slot, newAdmin) } } /** * @dev Only fall back when the sender is not the admin. */ function _willFallback() internal override { require( msg.sender != _admin(), "Cannot call fallback function from the proxy admin" ); super._willFallback(); } }
/** * SPDX-License-Identifier: MIT * * Copyright (c) 2018 zOS Global Limited. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ pragma solidity 0.6.12; import { Proxy } from "./Proxy.sol"; import { Address } from "@openzeppelin/contracts/utils/Address.sol"; /** * @notice This contract implements a proxy that allows to change the * implementation address to which it will delegate. * Such a change is called an implementation upgrade. * @dev Forked from https://github.com/zeppelinos/zos-lib/blob/8a16ef3ad17ec7430e3a9d2b5e3f39b8204f8c8d/contracts/upgradeability/UpgradeabilityProxy.sol * Modifications: * 1. Reformat, conform to Solidity 0.6 syntax, and add error messages (5/13/20) * 2. Use Address utility library from the latest OpenZeppelin (5/13/20) */ contract UpgradeabilityProxy is Proxy { /** * @dev Emitted when the implementation is upgraded. * @param implementation Address of the new implementation. */ event Upgraded(address implementation); /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "org.zeppelinos.proxy.implementation", and is * validated in the constructor. */ bytes32 private constant IMPLEMENTATION_SLOT = 0x7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3; /** * @dev Contract constructor. * @param implementationContract Address of the initial implementation. */ constructor(address implementationContract) public { assert( IMPLEMENTATION_SLOT == keccak256("org.zeppelinos.proxy.implementation") ); _setImplementation(implementationContract); } /** * @dev Returns the current implementation. * @return impl Address of the current implementation */ function _implementation() internal override view returns (address impl) { bytes32 slot = IMPLEMENTATION_SLOT; assembly { impl := sload(slot) } } /** * @dev Upgrades the proxy to a new implementation. * @param newImplementation Address of the new implementation. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Sets the implementation address of the proxy. * @param newImplementation Address of the new implementation. */ function _setImplementation(address newImplementation) private { require( Address.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address" ); bytes32 slot = IMPLEMENTATION_SLOT; assembly { sstore(slot, newImplementation) } } }
/** * SPDX-License-Identifier: MIT * * Copyright (c) 2018 zOS Global Limited. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ pragma solidity 0.6.12; /** * @notice Implements delegation of calls to other contracts, with proper * forwarding of return values and bubbling of failures. * It defines a fallback function that delegates all calls to the address * returned by the abstract _implementation() internal function. * @dev Forked from https://github.com/zeppelinos/zos-lib/blob/8a16ef3ad17ec7430e3a9d2b5e3f39b8204f8c8d/contracts/upgradeability/Proxy.sol * Modifications: * 1. Reformat and conform to Solidity 0.6 syntax (5/13/20) */ abstract contract Proxy { /** * @dev Fallback function. * Implemented entirely in `_fallback`. */ fallback() external payable { _fallback(); } /** * @return The Address of the implementation. */ function _implementation() internal virtual view returns (address); /** * @dev Delegates execution to an implementation contract. * This is a low level function that doesn't return to its internal call site. * It will return to the external caller whatever the implementation returns. * @param implementation Address to delegate. */ function _delegate(address implementation) internal { 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. calldatacopy(0, 0, calldatasize()) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall( gas(), implementation, 0, calldatasize(), 0, 0 ) // Copy the returned data. returndatacopy(0, 0, returndatasize()) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize()) } default { return(0, returndatasize()) } } } /** * @dev Function that is run as the first thing in the fallback function. * Can be redefined in derived contracts to add functionality. * Redefinitions must call super._willFallback(). */ function _willFallback() internal virtual {} /** * @dev fallback implementation. * Extracted to enable manual triggering. */ function _fallback() internal { _willFallback(); _delegate(_implementation()); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.6.2; /** * @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 * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
{ "optimizer": { "enabled": true, "runs": 1000000 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"implementationContract","type":"address"}],"stateMutability":"nonpayable","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":false,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"}]
Contract Creation Code
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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)
00000000000000000000000031724ca0c982a31fbb5c57f4217ab585271fc9a5
-----Decoded View---------------
Arg [0] : implementationContract (address): 0x31724cA0C982A31fbb5C57f4217AB585271fc9a5
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000031724ca0c982a31fbb5c57f4217ab585271fc9a5
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