[Heritable] added HeirOwnershipClaimed event

contracts/ownership/Heritable.sol

@@ -23,6 +23,7 @@ contract Heritable is Ownable {
   event HeirChanged(address indexed owner, address indexed newHeir);
   event OwnerHeartbeated(address indexed owner);
   event OwnerProclaimedDead(address indexed owner, address indexed heir, uint timeOfDeath);
+  event HeirOwnershipClaimed(address indexed previousOwner, address indexed newOwner);
 
 
   /**
@@ -83,6 +84,7 @@ contract Heritable is Ownable {
     require(!ownerLives());
     require(now >= timeOfDeath + heartbeatTimeout);
     OwnershipTransferred(owner, heir);
+    HeirOwnershipClaimed(owner, heir);
     owner = heir;
     timeOfDeath = 0;
   }

test/Heritable.js

@@ -101,9 +101,12 @@ contract('Heritable', function(accounts) {
     await increaseTime(4141)
     const claimHeirOwnershipLogs = (await heritable.claimHeirOwnership({from: heir})).logs
     const ownershipTransferredEvent = claimHeirOwnershipLogs.find(e => e.event === 'OwnershipTransferred')
+    const heirOwnershipClaimedEvent = claimHeirOwnershipLogs.find(e => e.event === 'HeirOwnershipClaimed')
 
     assert.isTrue(ownershipTransferredEvent.args.previousOwner === owner)
     assert.isTrue(ownershipTransferredEvent.args.newOwner === heir)
+    assert.isTrue(heirOwnershipClaimedEvent.args.previousOwner === owner)
+    assert.isTrue(heirOwnershipClaimedEvent.args.newOwner === heir)
 
   })
 })