// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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
*
* Furthermore, `isContract` will also return true if the target contract within
* the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
* which only has an effect at the end of a transaction.
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @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://consensys.net/diligence/blog/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/v0.8.0/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");
(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 functionCallWithValue(target, data, 0, "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");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
// 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
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @title: BALLOON RABBIT
/// @author: manifold.xyz
import "./manifold/ERC721Creator.sol";
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// //
// //
// //
// //
// ...... //
// ..+MMMMMMMMMMMNg,. //
// .MMMMMMMMMMMMMMMMMMMNa, .., //
// ` ` ` ` ` .MMMMMMHyyyyyyyyyQMMMMMMMN, . dMMMN, //
// .MMMMMHyyyyyyyyyyyWMMMMMMMMMMN, .MMMa. .WMMMMp //
// ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` MMMMNyyyyyyyyyyyyyyWMMyyyyMMMMMh. ` ?MMMMM, /MMMMb ` ` ` ` ` ` ` ` ` ` ` ` ` //
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// 7MMMMMMMM#uuudMMMMMMt JMMMHyyyyyyyyyyyZyyyyyyWMMMMMMMMMMMMMMMMMMNa,.MMMMMqMMMMMNHqkqqMMMMMKyyyyyyyyyyyWMMM] .MMMM#` ,MMMMN. JMMMMD //
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// MMMMMMMMMMM@7MMMMNdMMMMHyyyyyyyyyyyyyyyyyyWMMMMMMqqqqMMMMMMMqMMMMMMqqMMMMMMHqqkqqqqkHMMMNyyyyyyyyyWMMMF .MMMMF UMMMMMMD //
// TMMMMMMMM= UMMMMMMMM#yyyyyyyyZyyyyyyZWNMMMMMqW9WHqMMMMMMMNqHMMMNqkkqqkqqqkqqkqqkqqMMMMyyyyyyyyyMMMM' .MMMMF 7MMMM= //
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// .dMMM] .gMN, .MMMMMHqkqMMMM#yyyyZyyyyyyZyyyWMMMNqqqmmQWqqqkqkqqkqqMMMMHHyvvwdqqkqkqqqqqMMMMNyyyyyyyyyyyyHMMMMMMMMF //
// dMMM#! .MMMMF .MMMMMqqkqqqMMMMkyyyyyyyyyyyyyyWMMMNkqqqqqqqkqqqqkqqkqHMMMMNqqqqqqqqkqkqkHMMMMMyyyyyyyyyyyyyyyyMMMMMM, .gMMN&, //
// -MMM#` .MMMMF dMMMMqqqqqkqHMMMNyyyyyyyyyyyyyyyMMMMNqkqkqkqqkqqkqqqqHMMMMMMNHqqkqkqqqqHNMMMMNyyyyyyyyyyyyyyyyyyyWMMMMN, gMMMMMMMp .., //
// MMMM% JMMMF .MMMMHqkqqkqqqMMMMNyyyyyyZyyyyyyyyMMMMNqkqqqkqqkqqkqqNMMMMMMMMMMMNNNNNMMMMMMMWyyyyyyyyyyyyyyyyyyyyyyMMMMMe .MMMMTMMMM; .JMMM@ //
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// .MMMN .JMMMMMMMMMMMMHkqqqqqqqqqqkqqkqqMMMMWyyyyyyWMNkyyWMM#yyyMMNyyyWMMHyyyWMMM@` TMMMMb ,MMMm+N2HMMM@+MMM5MMM#yyWMMM#MMMM=?=??HBC?=??MMMMMMe. //
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// .MMMMt (MMMM5~~~:~JMMMNqqqkNMMMNHqkqqqqHMMMM#yyyyyyWgMMMMMMMMMMMMMMMMMMMMMMMMMMMM MMMMMN, (WMMMMMMMMMBjMMMMyyyyMMMMD=1gge??=uMMMb=??=??zMMMMMMMMa, //
// `.MMMMN. .MMMM3~:~:~~(MMMMNqqqMMMMMMMMNNMMMMMMM#yyyyyyMMMMMMHWMMMYC<<::jNc::+MMMMMMN dMM#MMMMa,. ?7"7~.gMMMMHyyyyWMMM#??dMMMMMMMMMM8?=??=uggMMMMMMMMMN, //
// `..MMMMMMMMNxdMMMF~:~~:~~:?MMMMNHqkqMMMMMMMMMMMMMMM#yyyyyyMMMN WMMN+:++MMMMN<dMMFMMMMc MMM] ?HMMMMMMNNNMMMMMMMMMNWyyyMMMMD??=TMMMMMMM81?1agMMMMMMMMMMMMMMM% //
// MMMMM#TMMMMMMMMM$~~~:~~:~~?MMMMMNNHqqqHMMMMMMMHMMMNyyyyyyWMMMp UMMMmd5:?M6+MMM#(MMMMN, (MM# . ?TWMMMMMMM""! -MMM#yydMMM#??=????=??=uggMMMMMMMMMMMHHHMMMMF //
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// ..MMMMMMMMN/~:~(Jgg,~~~?TMMMMMMMMMqkqqqqMMMMNyyyyyyyWMMMMa. ?TWMMH""!.dMMM% .WMMMNaJ....JNMMMMD .= T" JMMMMMMM@??==ugNMMMMMMMMMMHHHHHHHHHHH#MMMM^ //
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// .MMMMM5<~~:TMMMMmJMMMMMR,~:~:(MMMMMqb .qqqqMMMMNyyyyyWMMM@TMMMMMMMMMMMMMM#" ???! .MMMMMMMMMMMN MMMM#"MMMMMMMMMMMHHHHHHHHHHHHHHH#HHHMMMMM` //
// .MMMM@~~~:~~~?MMMMRWMMMMMMp~~~JMMMMqkqHQdqkqqqqMMMMNRyyyWMMMF ...?"""""""^` (M[ .&ggJ,.MN. (MMHqMMMMqMM# .MMMF .MMMMMMHHHHHHHHHHHH#HH#HH#HHHHMMMMF //
// MMMMF~:~:~~(_~?MMMM>MMMMMMF~:~dMMMNqY` ?HqqkkqqqMMMMMNmkyMMMN TM! jN. dM} ` .WMHMMMMM^ MMMNHMMHMMM'.MMM# .MMMMMHHHHH#HH#HH#HHHHHHHHHHMMMMM` //
// .MMMM<~~:~(MMMNe?WB3~~7HMH5~~:~JMMMMq; dqqqqkqqqqMMMMMMMMMMMb ` .(J MM] TMMMNNMMM'.MMMM! ,MMMMHHHHHHHHHHHHH#HH#HH#HHMMMMF //
// .MMMMc~~~:MMMMMN~~~~:~~~~~~:~~:(MMMMNqHWqHHkqqqkqkqqqHMMMMMMMMMp (Ng,.MM@ ?" ?YMMMD .MMM#! dMMMMHH#HH#HH#HHHHHHHHHH#HMMMM! //
// dMMMN-~:~dMMMMMMm:~~:~:~:~~:~~~?MMMMNqq% 4qqqkqkqkqqqqHMMMMMMm. ("MMMM# .MMMMF MMMM#HHHHHHHH#HH#HH#HHHHMMMM# //
// .MMMMN,~~~TMMMMMM3~:~((J-~~:~~:~?MMMMNHh. .dqkqqqqkqqkqqqMMMMMMMMJ .MMMMMm. ` .JMMMM#' -MMMMHH#HH#HHHHHHHHH#HHHMMMM% //
// WMMMMNgJ_?WMMM8~:(MMMMM;~~:~~~~?MMMMMNNHqqqqkqqqqmHHHHHMMMM?WMMMMa, .MMF T" ` ..&MMMMMM' MMMMHHHHHHH#HH#HH#HHH##MMMM //
// (MMMMMMMMx~:~~~(MMMMM#<~~:~:~~((dMMMMMMMMMMMMMMMMMMMMMMMM# ,WMMMMMag3 ...gMMMMMMMMMM] JMMMMHH#HHHHHHHHHHHHHHMMMMF //
// .THMMMMF~~:~~:?T">~~~:((+gMMMMMMMMMMMMMMMMMMMMMMMMMMMMMF 7HMMMMMMNa+.... ` ` .......JgNMMMMMMMMMMMMHHMMMM. ,MMMMHHH#HH#HH#HH#HH#HMMMM% //
// .MMMM>~:~~:~~~~((+MMMMMMMMMMMMMMMMMMHHHHHHHHHHHHHMMMM] (THMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMHHHHHHHMMMMb .MMMMHHHHHHHMYWMHHHHH#MMMM` //
// MMMM[~~:~~:(+MMMMMMMMMMMHHHHHHHHHHHHHHHHHHHHHHHHMMMM\ dMMMMMMMMMMMMMMMMMMMMMMMMMMMM#HHHHHHHHHHHHHHHMMMN MMM#7HH#HHF 4HHHHMMMM# //
// dMMMN,~:(+MMMMMMMMMHHHHHHHHHHHHHHHHHHHHHHHHHHHHHMMMM: JMMM#HHHHHHH#HHHHHHHHHHHHHHHHHHHHH#HH#HH#HHHHMMMM; MMM# WHH#] -HH#HMMMMF //
// UMMMMNMMMMMMMMHHHHHHHHHHHHHH#HH#HH#HH#HH#HH#HHHMMMM` ,MMMMHHHHHHHHH#HHHHHHHHH#HHMY"7??7TM#HHHHH#HHMMMMb MMM# .HH#\ -HHHHMMMM\ //
// (HMMMMMMMMHHHHHHHH#H""""7????"WHHHHHHH#@=` dMMM .MMMMHHHHH##""WHH#HH#HHHHY ?HH#HHH#MYMMMM. .MMMF qHH} -HHH#MMMM //
// .MMMMMMHHHHHH#HHF /#HH#HH@ dMMM MMMMHHHHH] (MHHHHH#H% (HHHHHP ,MMMb dMMM! .MH! (HH#MMMM# //
// TMMMMMHH#HHHHH] HHHHHHb dMMM_ MMMMHH#HH] dHH#HHH# ... MHH## ZMMMb .MMMF JH` J#HHMMMMF //
// ,MMMMMHHH#HH#N Qg, ,H#HHH# ,HMMMM[ MMMMHHHH#] dHHHHHH@ (HH| (HHH] WMMMN, .(MMM@ - M JHHHMMMM\ //
// .MMMMMHHHHHHH; -HN MHHH#M ,HMMMMb ` MMMMHHHHH] dHH#HH#@ -HHb .HH#\ HMMMMMNg(+MMMMMF (. ( dHH#MMMM //
// MMMMM#HH#HHb MH[ dHHHHH_ .7"WMMM, ` .MMMMHH#HH] dHHHHHHN -HH@ M#H! HHHMMMMMMMMMMD` J] WHHMMMM# //
// .MMMMMHHHH#H, "YHHHH) .MMMN, .MMMMHHHHHHb JHH#HHHM. ,HHN dHH_ MHHF ?""MMH] JN. HHHMMMMF //
// ,MMMMMHHHHHb .MH#] ,MMMMa. .MMMMMHHH#HH@ JHHH#HH#[ .HHN JHH_ dHH] HHHF gH] .HHHMMMM\ //
// (MMMM#HHHHH; ,HHb mmp TMMMMNg(.gMMMMMMHHHHH#HN JHHHHHHHN (MD JHH) JHH\ .HHHb dHM, (HH#MMMM //
// WMMMMH#HH#N (gg MHN HHN TMMMMMMMMMH4HHHH#HHHHM (#HH#HH##L dH#b .W3 .H#HHm, ..HHHH#MNQQHHHHHMMMM# //
// .MMMMMHHHHH[ .MHL JHM HH#_ dHMMM#"! 7?!~` 7MHH. .?7"""WHHHp .HHHH, dHHHHHHH#HHHH#H##HHHHHHHMMMM] //
// JMMMMHHHHHN JHM. .#H JHH[ dHHHHM. (HH[ JHH#N, .MHHH#M, .HHH#HH#HHHH#HHHHHHHHHHHHMMMM! //
// MMMMMH#HHH] ! ,HH, .HHHN+gMHHHHHHN. ..MHHN, .JHHHH##H+...+MHHHHHHH#N+......(MHHHHHHHHHHHHHHHHHH#HH#HHMMMM# //
// ,MMMMHHHHHN. .dHH#N+..dHH#HHHHHHH#HHHH#mJ.JgMHHHHHHHHHHMNmmmHMHHHHHHHHHHHHHHHHHHH#HHHHHHHHHHHHHHHMMMHWYYYYYWHMMMH#HHHH#HMMMMF //
// HMMMMH#HHHh, ..dHHHHHHHHHHHHHHHHHHHHHH#HHHHHHHHHHHHHHHHHHHMMYY"WMHH#HH#HHHHH#HHHHHHH#HH#HH#HH#HHHH#! .M#HHH#MMMM! //
// ,MMMMHHHHHHHH#HHHHHMY""! ?H#HH#HH#MY""77777"YMHHHHHHHM"! (M#HHH#H#HHMY""""WMHHHHHHM"` _THHb JHHHHMMMMF //
// dMMMMH#HHHHHHHHM^ ?HHHHHH' 7#HH#HM! .MHHHHHM" .WHH#HF JHH, .HHH#HMMMM% //
// ,MMMM#HHH#HHHHHF . (HH#HH- XHHHHM. .+, ,HH#HH% 4HHHb ,HH##HH#H) ,#H#HHHHHHHMMMM# //
// dMMMMHHHHH#HHHb .dHHb J#HHH] ,H] .H#HH#[ ,H#` .HHHHH] .HN, .HH#N HHHHHHH#] ,HHHHHHH#HHMMMM] //
// .MMMMMH#HHH#HHN MH#HH; .HHHHb .Y" dHHHHb ,#HH#H] ,HH# MHHM. WHHH#HHHF ,HHH#HHHHHMMMM# //
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// MMMMMHHH#H#HH[ 7MHHHH] ,#HN WHHHH[ .HHH| dHH@ da.. MHH#] HH#HH#HH dHHHHHHHMMMMF //
// ,MMMMMHHHHH##b .J. THHHb .HHH[ ,#HHHN ??! MHHN JHHF dHHHN. JHHHHH#H. dHH#HH#MMMM# //
// dMMMMHHHHHHHH, M#Hm, //
// //
// //
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
contract BNRT is ERC721Creator {
constructor() ERC721Creator("BALLOON RABBIT", "BNRT") {}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
/// @author: manifold.xyz
import "@openzeppelin/contracts/proxy/Proxy.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/utils/StorageSlot.sol";
contract ERC721Creator is Proxy {
constructor(string memory name, string memory symbol) {
assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = 0x5133522ea5A0494EcB83F26311A095DDD7a9D4b6;
(bool success, ) = 0x5133522ea5A0494EcB83F26311A095DDD7a9D4b6.delegatecall(abi.encodeWithSignature("initialize(string,string)", name, symbol));
require(success, "Initialization failed");
}
/**
* @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.
*/
bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
/**
* @dev Returns the current implementation address.
*/
function implementation() public view returns (address) {
return _implementation();
}
function _implementation() internal override view returns (address) {
return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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.
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 This is a virtual function that should be overridden so it returns the address to which the fallback function
* and {_fallback} should delegate.
*/
function _implementation() internal view virtual returns (address);
/**
* @dev Delegates the current call to the address returned by `_implementation()`.
*
* This function does not return to its internal call site, it will return directly to the external caller.
*/
function _fallback() internal virtual {
_beforeFallback();
_delegate(_implementation());
}
/**
* @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
* function in the contract matches the call data.
*/
fallback() external payable virtual {
_fallback();
}
/**
* @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
* is empty.
*/
receive() external payable virtual {
_fallback();
}
/**
* @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
* call, or as part of the Solidity `fallback` or `receive` functions.
*
* If overridden should call `super._beforeFallback()`.
*/
function _beforeFallback() internal virtual {}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.
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:
* ```solidity
* 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;
* }
* }
* ```
*
* _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._
* _Available since v4.9 for `string`, `bytes`._
*/
library StorageSlot {
struct AddressSlot {
address value;
}
struct BooleanSlot {
bool value;
}
struct Bytes32Slot {
bytes32 value;
}
struct Uint256Slot {
uint256 value;
}
struct StringSlot {
string value;
}
struct BytesSlot {
bytes value;
}
/**
* @dev Returns an `AddressSlot` with member `value` located at `slot`.
*/
function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BooleanSlot` with member `value` located at `slot`.
*/
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
*/
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Uint256Slot` with member `value` located at `slot`.
*/
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `StringSlot` with member `value` located at `slot`.
*/
function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `StringSlot` representation of the string storage pointer `store`.
*/
function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := store.slot
}
}
/**
* @dev Returns an `BytesSlot` with member `value` located at `slot`.
*/
function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
*/
function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := store.slot
}
}
}
{
"compilationTarget": {
"contracts/BNRT.sol": "BNRT"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 300
},
"remappings": [
":@openzeppelin/=node_modules/@openzeppelin/"
]
}
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"stateMutability":"payable","type":"receive"}]