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fix: add config payload non-empty check in setConfig #91

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fix: add config payload non-empty check in setConfig #91

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9 changes: 9 additions & 0 deletions contracts/Endpoint.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -151,6 +151,14 @@ contract Endpoint is Ownable, ILayerZeroEndpoint {
require(latestVersion < 65535, "LayerZero: can not add new messaging library");
latestVersion++;
libraryLookup[latestVersion] = ILayerZeroMessagingLibrary(_newLayerZeroLibraryAddress);
function setConfig(uint16 _version, uint16 _chainId, uint _configType, bytes calldata _config) external override validVersion(_version) {
if (_version == DEFAULT_VERSION) {
require(defaultSendVersion == defaultReceiveVersion, "LayerZero: can not set Config during DEFAULT migration");
_version = defaultSendVersion;
}
require(_version != BLOCK_VERSION, "LayerZero: can not set config for BLOCK_VERSION");
libraryLookup[_version].setConfig(_chainId, msg.sender, _configType, _config);
}
emit NewLibraryVersionAdded(latestVersion);
}

Expand All @@ -174,6 +182,7 @@ contract Endpoint is Ownable, ILayerZeroEndpoint {
// User Application Calls - UA set/get Interface

function setConfig(uint16 _version, uint16 _chainId, uint _configType, bytes calldata _config) external override validVersion(_version) {
require(_config.length > 0, "LayerZero: config payload cannot be empty");
if (_version == DEFAULT_VERSION) {
require(defaultSendVersion == defaultReceiveVersion, "LayerZero: can not set Config during DEFAULT migration");
_version = defaultSendVersion;
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