eIP 52 implementation

Author: kasperpawlowski

contracts/Constants.sol

@@ -86,6 +86,7 @@ abstract contract Constants {
     uint internal constant MODULEID__IRM_CLASS__LIDO = 2_000_504;
     uint internal constant MODULEID__IRM_CLASS__USDT = 2_000_505;
     uint internal constant MODULEID__IRM_CLASS__OHM = 2_000_506;
+    uint internal constant MODULEID__IRM_CLASS__LSD = 2_000_507;
 
     // Swap types
     uint internal constant SWAP_TYPE__UNI_EXACT_INPUT_SINGLE = 1;

contracts/modules/interest-rate-models/IRMClassLSD.sol

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+pragma solidity ^0.8.0;
+
+import "../../BaseIRMLinearKink.sol";
+
+
+contract IRMClassLSD is BaseIRMLinearKink {
+    constructor(bytes32 moduleGitCommit_)
+        BaseIRMLinearKink(MODULEID__IRM_CLASS__LSD, moduleGitCommit_,
+            // Base=0% APY,  Kink(70%)=5% APY  Max=200% APY
+            0, 514255952, 25819008208, 3006477107
+        ) {}
+}

contracts/modules/interest-rate-models/IRMClassLido.sol

@@ -31,10 +31,10 @@ contract IRMClassLido is BaseIRM {
         lidoOracle = 0x442af784A788A5bd6F42A01Ebe9F287a871243fb;
         stETH = 0xae7ab96520DE3A18E5e111B5EaAb095312D7fE84;
 
-        // Base=Lido APY,  Kink(80%)=8% APY  Max=200% APY
-        slope1 = 709783723;
-        slope2 = 37689273223;
-        kink = 3435973836;
+        // Base=Lido APY,  Kink(70%)=5% APY  Max=200% APY
+        slope1 = 514255952;
+        slope2 = 25819008208;
+        kink = 3006477107;
     }
 
     function computeInterestRateImpl(address, uint32 utilisation) internal override returns (int96) {