chore: added a comment about denominator greater than zero

lidofinance · Jan 15, 2025 · 5ee67ae · 5ee67ae
1 parent 5904609
commit 5ee67ae
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/contracts/0.4.24/Lido.sol b/contracts/0.4.24/Lido.sol
@@ -196,7 +196,7 @@ contract Lido is Versioned, StETHPermit, AragonApp {
      * @param _eip712StETH eip712 helper contract for StETH
      */
     function initialize(address _lidoLocator, address _eip712StETH) public payable onlyInit {
-        _bootstrapInitialHolder();
+        _bootstrapInitialHolder(); // stone in the elevator
 
         LIDO_LOCATOR_POSITION.setStorageAddress(_lidoLocator);
         emit LidoLocatorSet(_lidoLocator);
@@ -958,7 +958,7 @@ contract Lido is Versioned, StETHPermit, AragonApp {
     /// @dev the denominator (in shares) of the share rate for StETH conversion between shares and ether and vice versa.
     function _getShareRateDenominator() internal view returns (uint256) {
         uint256 externalShares = EXTERNAL_SHARES_POSITION.getStorageUint256();
-        uint256 internalShares = _getTotalShares() - externalShares;
+        uint256 internalShares = _getTotalShares() - externalShares; // never 0 because of the stone in the elevator
         return internalShares;
     }