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code refactor

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This commit is contained in:
Vaibhav Khanna 2022-04-14 18:32:25 +05:30
parent ba18bc271e
commit 6623b62ad3
1 changed files with 27 additions and 11 deletions
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38
proxy.sol
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@ -31,7 +31,10 @@ contract Internals is Events {
*/
bytes32 internal constant _DUMMY_IMPLEMENTATION_SLOT =
0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
/**
* @dev Returns the storage slot which stores the sigs array set for the implementation.
*/
function _getSlotImplSigsSlot(address implementation_)
internal
pure
@ -43,6 +46,9 @@ contract Internals is Events {
);
}
/**
* @dev Returns the storage slot which stores the implementation address for the function sig.
*/
function _getSlotSigsImplSlot(bytes4 sig_) internal pure returns (bytes32) {
return keccak256(abi.encode("eip1967.proxy.implementation", sig_));
}
@ -97,7 +103,7 @@ contract Internals is Events {
}
/**
* @dev removes implementation and the mappings corresponding to it.
* @dev Removes implementation and the mappings corresponding to it.
*/
function _removeImplementationSigs(address implementation_) internal {
bytes32 slot_ = _getSlotImplSigsSlot(implementation_);
@ -111,6 +117,9 @@ contract Internals is Events {
emit removeImplementationLog(implementation_);
}
/**
* @dev Returns bytes4[] sigs from implementation address. If implemenatation is not registered then returns empty array.
*/
function _getImplementationSigs(address implementation_)
internal
view
@ -120,6 +129,9 @@ contract Internals is Events {
return getSigsSlot(slot_).value;
}
/**
* @dev Returns implementation address from bytes4 sig. If sig is not registered then returns address(0).
*/
function _getSigImplementation(bytes4 sig_)
internal
view
@ -223,20 +235,24 @@ contract Internals is Events {
}
contract AdminStuff is Internals {
/**
* @dev Only admin gaurd.
*/
modifier onlyAdmin() {
require(msg.sender == _getAdmin(), "not-the-admin");
_;
}
/**
* @dev sets new admin.
* @dev Sets new admin.
*/
function setAdmin(address newAdmin_) external onlyAdmin {
_setAdmin(newAdmin_);
}
/**
* @dev sets new dummy-implementation.
* @dev Sets new dummy-implementation.
*/
function setDummyImplementation(address newDummyImplementation_)
external
@ -246,7 +262,7 @@ contract AdminStuff is Internals {
}
/**
* @dev adds new implementation address.
* @dev Adds new implementation address.
*/
function addImplementation(address implementation_, bytes4[] calldata sigs_)
external
@ -256,7 +272,7 @@ contract AdminStuff is Internals {
}
/**
* @dev removes an existing implementation address.
* @dev Removes an existing implementation address.
*/
function removeImplementation(address implementation_) external onlyAdmin {
_removeImplementationSigs(implementation_);
@ -274,21 +290,21 @@ abstract contract Proxy is AdminStuff {
{}
/**
* @dev returns admin's address.
* @dev Returns admin's address.
*/
function getAdmin() external view returns (address) {
return _getAdmin();
}
/**
* @dev returns dummy-implementations's address.
* @dev Returns dummy-implementations's address.
*/
function getDummyImplementation() external view returns (address) {
return _getDummyImplementation();
}
/**
* @dev returns bytes4[] sigs from implementation address If not registered then returns empty array.
* @dev Returns bytes4[] sigs from implementation address If not registered then returns empty array.
*/
function getImplementationSigs(address impl_)
external
@ -299,7 +315,7 @@ abstract contract Proxy is AdminStuff {
}
/**
* @dev returns implementation address from bytes4 sig. If sig is not registered then returns address(0).
* @dev Returns implementation address from bytes4 sig. If sig is not registered then returns address(0).
*/
function getSigsImplementation(bytes4 sig_)
external
@ -324,4 +340,4 @@ abstract contract Proxy is AdminStuff {
_fallback(msg.sig);
}
}
}
}