Note: This token's displayed name and symbol does not match its contract's Name function.
Overview
Max Total Supply
58,613,161.81 EURC
Holders
4,888 ( -0.020%)
Market
Price
$1.05 @ 0.000389 ETH (+0.31%)
Onchain Market Cap
$61,485,206.74
Circulating Supply Market Cap
$100,933,493.00
Other Info
Token Contract (WITH 6 Decimals)
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# | Exchange | Pair | Price | 24H Volume | % Volume |
---|---|---|---|---|---|
1 | ![]() | EURC-USDC | $1.049 0.0003878 Eth | $4,374,743.00 4,170,943.000 EURC | 43.4093% |
2 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X4200000000000000000000000000000000000006 | $1.049 0.0003880 Eth | $3,627,840.00 3,489,206.103 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 36.3141% |
3 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.049 0.0003880 Eth | $1,757,204.00 1,676,093.573 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 17.4440% |
4 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.049 0.0003882 Eth | $1,622,198.00 1,547,446.196 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 16.1051% |
5 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.049 0.0003880 Eth | $1,516,762.00 1,447,014.663 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 15.0599% |
6 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.049 0.0003880 Eth | $1,110,900.00 1,059,219.832 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 11.0239% |
7 | ![]() | 0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48 | $1.044 0.0003862 Eth | $399,972.00 383,458.735 0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C | 3.9909% |
8 | ![]() | EURC-USDC | $1.05 0.0003876 Eth | $342,846.00 327,388.265 EURC | 3.4073% |
9 | ![]() | EURC-USDT | $1.052 0.0003891 Eth | $312,326.00 296,756.800 EURC | 3.0885% |
10 | ![]() | 0X1A7E4E63778B4F12A199C062F3EFDD288AFCBCE8-0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C | $1.049 0.0003869 Eth | $212,255.00 202,669.322 0X1A7E4E63778B4F12A199C062F3EFDD288AFCBCE8 | 2.1093% |
11 | ![]() | EURC-USDC | $1.046 0.0003867 Eth | $150,059.00 143,449.600 EURC | 1.4930% |
12 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X4200000000000000000000000000000000000006 | $1.049 0.0003880 Eth | $148,976.00 143,035.779 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 1.4887% |
13 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF | $1.049 0.0003880 Eth | $143,929.00 136,992.507 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 1.4258% |
14 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.049 0.0003881 Eth | $131,045.00 124,963.751 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 1.3006% |
15 | ![]() | EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V-HZWQBKZW8HXMN6BF2YFZNRHT3C2IXXZPKCFU7UBEDKTR | $1.049 0.0003881 Eth | $104,317.00 104,953.890 EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | 1.0923% |
16 | ![]() | EURC-USDC | $1.05 0.0003883 Eth | $73,996.00 70,587.118 EURC | 0.7346% |
17 | ![]() | EURC-USDC | $1.048 0.0003874 Eth | $72,434.00 69,175.375 EURC | 0.7199% |
18 | ![]() | EUROC-EUR | $1.05 0.0003881 Eth | $67,553.00 64,357.901 EUROC | 0.6698% |
19 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.049 0.0003878 Eth | $64,824.00 61,763.884 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 0.6428% |
20 | ![]() | 0XC891EB4CBDEFF6E073E859E987815ED1505C2ACD-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $1.05 0.0003883 Eth | $63,975.00 61,110.916 0XC891EB4CBDEFF6E073E859E987815ED1505C2ACD | 0.6360% |
21 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0XB79DD08EA68A908A97220C76D19A6AA9CBDE4376 | $1.049 0.0003880 Eth | $52,495.00 50,081.841 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 0.5212% |
22 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X4200000000000000000000000000000000000006 | $1.055 0.0003900 Eth | $52,429.00 50,276.819 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 0.5233% |
23 | ![]() | EURC-EUR | $1.05 0.0003881 Eth | $38,860.00 37,010.535 EURC | 0.3852% |
24 | ![]() | 0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C-0X6982508145454CE325DDBE47A25D4EC3D2311933 | $1.05 0.0003822 Eth | $21,225.00 20,222.527 0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C | 0.2105% |
25 | ![]() | EURC-GDHU6WRG4IEQXM5NZ4BMPKOXHW76MZM4Y2IEMFDVXBSDP6SJY4ITNPP2-XLM | $1.054 0.0003871 Eth | $15,384.00 14,592.391 EURC-GDHU6WRG4IEQXM5NZ4BMPKOXHW76MZM4Y2IEMFDVXBSDP6SJY4ITNPP2 | 0.1519% |
26 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.045 0.0003862 Eth | $13,461.90 12,897.839 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 0.1342% |
27 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.036 0.0003962 Eth | $6,478.37 6,198.938 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 0.0645% |
28 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF | $1.049 0.0003870 Eth | $5,801.22 5,523.919 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 0.0575% |
29 | ![]() | ETH-EUROC | $1.044 0.0003970 Eth | $5,190.56 1.983 ETH | 0.0000% |
30 | ![]() | EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V-HZWQBKZW8HXMN6BF2YFZNRHT3C2IXXZPKCFU7UBEDKTR | $1.05 0.0003873 Eth | $4,564.82 4,609.112 EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | 0.0480% |
31 | ![]() | EUROC-USDC.E | $0.518 0.0001965 Eth | $4,445.83 8,583.448 EUROC | 0.0893% |
32 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.044 0.0003864 Eth | $3,164.10 3,020.145 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 0.0314% |
33 | ![]() | 0XC891EB4CBDEFF6E073E859E987815ED1505C2ACD-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E | $1.049 0.0003879 Eth | $2,572.63 2,458.845 0XC891EB4CBDEFF6E073E859E987815ED1505C2ACD | 0.0256% |
34 | ![]() | EURC-USDC | $1.049 0.0003880 Eth | $1,893.71 1,808.860 EURC | 0.0188% |
35 | ![]() | 0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2 | $1.047 0.0003876 Eth | $1,383.36 1,326.306 0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C | 0.0138% |
36 | ![]() | 0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C-0X820802FA8A99901F52E39ACD21177B0BE6EE2974 | $1.044 0.0003832 Eth | $575.21 551.005 0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C | 0.0057% |
37 | ![]() | EURC-BTC | $1.048 0.0003873 Eth | $399.73 381.681 EURC | 0.0040% |
38 | ![]() | EUROC-EUR | $1.051 0.0003881 Eth | $324.18 308.401 EUROC | 0.0032% |
39 | ![]() | 0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C-0X4E15361FD6B4BB609FA63C81A2BE19D873717870 | $1.03 0.0003801 Eth | $302.98 294.034 0X1ABAEA1F7C830BD89ACC67EC4AF516284B1BC33C | 0.0031% |
40 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.057 0.0003901 Eth | $289.15 274.230 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 0.0029% |
41 | ![]() | EURC-BRL | $1.05 0.0003883 Eth | $288.84 275.041 EURC | 0.0029% |
42 | ![]() | EUROC-DFI | $0.9981 0.0003685 Eth | $284.41 284.953 EUROC | 0.0030% |
43 | ![]() | 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913 | $1.049 0.0003868 Eth | $283.83 270.929 0X60A3E35CC302BFA44CB288BC5A4F316FDB1ADB42 | 0.0028% |
44 | ![]() | EURC-ZAR | $1.068 0.0003941 Eth | $257.13 239.820 EURC | 0.0025% |
45 | ![]() | HZWQBKZW8HXMN6BF2YFZNRHT3C2IXXZPKCFU7UBEDKTR-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V | $1.052 0.0003889 Eth | $250.94 237.316 HZWQBKZW8HXMN6BF2YFZNRHT3C2IXXZPKCFU7UBEDKTR | 0.0025% |
46 | ![]() | EURC-USDC | $1.037 0.0003921 Eth | $199.06 192.000 EURC | 0.0020% |
47 | ![]() | EURC-EUR | $1.038 0.0003935 Eth | $198.65 191.405 EURC | 0.0020% |
48 | ![]() | EUROC-EUR | $1.045 0.0003864 Eth | $62.13 59.480 EUROC | 0.0006% |
49 | ![]() | EUROC-USD | $1.052 0.0003889 Eth | $51.43 49.299 EUROC | 0.0005% |
50 | ![]() | EUROC-USDT | $1.052 0.0003887 Eth | $41.77 40.110 EUROC | 0.0004% |
51 | ![]() | EUROC-DUSD | $0.909 0.0003356 Eth | $18.63 20.497 EUROC | 0.0002% |
52 | ![]() | EUROC-USDT | $1.032 0.0003823 Eth | $6.12 5.933 EUROC | 0.0001% |
53 | ![]() | EURC-USDT | $1.045 0.0003859 Eth | $3.22 3.080 EURC | 0.0000% |
54 | ![]() | 0XA7D7079B0FEAD91F3E65F86E8915CB59C1A4C664-0XC891EB4CBDEFF6E073E859E987815ED1505C2ACD | $1.031 0.0003788 Eth | $2.42 2.418 0XA7D7079B0FEAD91F3E65F86E8915CB59C1A4C664 | 0.0000% |
Contract Source Code Verified (Exact Match)
Contract Name:
FiatTokenProxy
Compiler Version
v0.6.12+commit.27d51765
Optimization Enabled:
Yes with 10000000 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 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); } } } }
/** * 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 * * 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(); } }
{ "remappings": [], "optimizer": { "enabled": true, "runs": 10000000 }, "evmVersion": "istanbul", "libraries": {}, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } } }
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)
000000000000000000000000a2327a938febf5fec13bacfb16ae10ecbc4cbdcf
-----Decoded View---------------
Arg [0] : implementationContract (address): 0xa2327a938Febf5FEC13baCFb16Ae10EcBc4cbDCF
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000a2327a938febf5fec13bacfb16ae10ecbc4cbdcf
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