did:cow, a proposal for an ID resolution method with most of the convenience of did:plc/did:web and the robustness of a public blockchain
Remove some deactivation logic, use a length test to stop you deactivating except by calling deactivate()
+2
-9
+1
-8
src/CowRegistry.sol
+1
-8
src/CowRegistry.sol
···
17
17
event ControllerUpdated(bytes32 indexed cowHash, address controller);
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event WrappedDIDUpdated(bytes32 indexed cowHash, string wrappedDID);
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20
-
function _isDeactivated(bytes32 cowHash) internal view returns (bool) {
21
-
return keccak256(bytes(cows[cowHash].wrappedDID)) == keccak256(bytes(DEACTIVATED));
22
-
}
23
-
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20
function updateWrappedDIDByHash(bytes32 cowHash, string memory wrappedDID) public {
25
-
require(!_isDeactivated(cowHash));
26
21
require(msg.sender == cows[cowHash].controller);
27
-
require(keccak256(bytes(wrappedDID)) != keccak256(bytes(DEACTIVATED)), "Use deactivate() to deactivate");
22
+
require(bytes(wrappedDID).length > 5, "Use deactivate() to deactivate");
28
23
29
24
cows[cowHash].wrappedDID = wrappedDID;
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emit WrappedDIDUpdated(cowHash, wrappedDID);
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26
}
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function updateControllerByHash(bytes32 cowHash, address controller) public {
34
-
require(!_isDeactivated(cowHash));
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29
require(msg.sender == cows[cowHash].controller);
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30
37
31
cows[cowHash].controller = controller;
···
67
61
}
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function deactivate(bytes32 cowHash) external {
70
-
require(!_isDeactivated(cowHash));
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64
require(msg.sender == cows[cowHash].controller);
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65
73
66
cows[cowHash].wrappedDID = DEACTIVATED;