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upgradability security improve

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Ricardo Guilherme Schmidt 2018-05-07 00:40:29 -03:00 committed by Barry Gitarts
parent ed5a699924
commit 695afeac37
1 changed files with 1 additions and 0 deletions
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contracts/registry/ENSSubdomainRegistry.sol
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@ -250,6 +250,7 @@ contract ENSSubdomainRegistry is Controlled {
external external
{ {
require(msg.sender == parentRegistry); require(msg.sender == parentRegistry);
require(domains[_domain].state == NodeState.Free);
require(ens.owner(_domain) == address(this)); require(ens.owner(_domain) == address(this));
domains[_domain] = Domain(NodeState.Owned, _price); domains[_domain] = Domain(NodeState.Owned, _price);
} }