From 6bf9ac09975bed8e77ef8c07cb98a668a76d35e3 Mon Sep 17 00:00:00 2001
From: Quentin Garchery <garchery.quentin@gmail.com>
Date: Wed, 15 Nov 2023 16:38:35 +0100
Subject: [PATCH] test: add double rate print

---
 test/IntegrationAdaptativeCurveIrmTest.sol | 82 +++++++++++++---------
 1 file changed, 48 insertions(+), 34 deletions(-)

diff --git a/test/IntegrationAdaptativeCurveIrmTest.sol b/test/IntegrationAdaptativeCurveIrmTest.sol
index 68ff03de..832d3e8f 100644
--- a/test/IntegrationAdaptativeCurveIrmTest.sol
+++ b/test/IntegrationAdaptativeCurveIrmTest.sol
@@ -3,7 +3,7 @@ pragma solidity ^0.8.0;
 
 import "../src/SpeedJumpIrm.sol";
 import "../lib/forge-std/src/Test.sol";
-import {BaseTest,IrmMock,IMorpho,MorphoLib} from "../lib/morpho-blue/test/forge/BaseTest.sol";
+import {BaseTest, IrmMock, IMorpho, MorphoLib} from "../lib/morpho-blue/test/forge/BaseTest.sol";
 
 contract IntegrationAdaptativeCurveIrmTest is BaseTest {
     using MarketParamsLib for MarketParams;
@@ -16,11 +16,13 @@ contract IntegrationAdaptativeCurveIrmTest is BaseTest {
 
     AdaptativeCurveIrm aIrm;
 
-    function _freshMarket(uint supply, uint borrow) internal returns (MarketParams memory) {
+    function _freshMarket(uint256 supply, uint256 borrow) internal returns (MarketParams memory) {
         aIrm =
         new AdaptativeCurveIrm(address(morpho), uint256(CURVE_STEEPNESS), uint256(ADJUSTMENT_SPEED), uint256(TARGET_UTILIZATION), INITIAL_RATE_AT_TARGET);
 
-        marketParams = MarketParams(address(loanToken), address(collateralToken), address(oracle), address(aIrm), DEFAULT_TEST_LLTV);
+        marketParams = MarketParams(
+            address(loanToken), address(collateralToken), address(oracle), address(aIrm), DEFAULT_TEST_LLTV
+        );
         id = marketParams.id();
 
         vm.startPrank(OWNER);
@@ -30,52 +32,62 @@ contract IntegrationAdaptativeCurveIrmTest is BaseTest {
 
         // Existing market
 
-        loanToken.setBalance(SUPPLIER,supply);
+        loanToken.setBalance(SUPPLIER, supply);
         vm.prank(SUPPLIER);
         morpho.supply(marketParams, supply, 0, SUPPLIER, hex"");
 
-
-        collateralToken.setBalance(BORROWER,1e30);
+        collateralToken.setBalance(BORROWER, 1e30);
         vm.prank(BORROWER);
         morpho.supplyCollateral(marketParams, 1e30, BORROWER, hex"");
         vm.prank(BORROWER);
-        morpho.borrow(marketParams,borrow,0,BORROWER,BORROWER);
+        morpho.borrow(marketParams, borrow, 0, BORROWER, BORROWER);
         return marketParams;
     }
 
     // Make stepped accrual fail
     // Will revert due to overflow for a long enough duration
-    // Overflow occurs in _accrueInterest when interests are added do supply/borrow assets
+    // Overflow occurs in _accrueInterest when interests are added to supply/borrow assets
     function testSteppedAccrual() public {
         _freshMarket({supply: 1e18, borrow: 0.9e18});
-        uint duration = 13 weeks;
-        uint period = 1000 seconds;
-        for (uint i=0;i<duration/period;i++) {
+        uint256 duration = 1000 weeks;
+        uint256 period = 1000 seconds;
+        uint256 borrow = morpho.totalBorrowAssets(id);
+        uint256 refBorrow = borrow;
+        uint256 refI;
+        for (uint256 i = 0; i < duration / period; i++) {
             _forward(period);
             morpho.accrueInterest(marketParams);
+            uint256 newBorrow = morpho.totalBorrowAssets(id);
+            borrow = newBorrow;
+            if (borrow > 2 * refBorrow) {
+                // `(i - refI) * 1000` is the time elapsed to double the rate
+                console.log(((i - refI) * 1000 * 100) / (1 days));
+                refBorrow = borrow;
+                refI = i;
+            }
         }
     }
 
     // Compare stepped accrual (1 accrual per period over duration) vs. leap accrual (1 accrual at end of duration)
     function testCompareAccrualMethods() public {
         // Setup
-        uint duration = 9 weeks;
-        uint period = 1000 seconds;
-        duration = duration-(duration%period); // exact loop iterations for step market
+        uint256 duration = 9 weeks;
+        uint256 period = 1000 seconds;
+        duration = duration - (duration % period); // exact loop iterations for step market
 
-        MarketParams memory stepMarketParams = _freshMarket({supply:1e18, borrow: 0.9e18});
-        MarketParams memory leapMarketParams = _freshMarket({supply:1e18, borrow: 0.9e18});
+        MarketParams memory stepMarketParams = _freshMarket({supply: 1e18, borrow: 0.9e18});
+        MarketParams memory leapMarketParams = _freshMarket({supply: 1e18, borrow: 0.9e18});
 
         _forward(1);
         morpho.accrueInterest(stepMarketParams);
         morpho.accrueInterest(leapMarketParams);
 
         // Same initial borrow for both
-        uint initialBorrow = morpho.totalBorrowAssets(stepMarketParams.id());
+        uint256 initialBorrow = morpho.totalBorrowAssets(stepMarketParams.id());
 
         // Accrue step market
 
-        for (uint i=0;i<duration/period;i++) {
+        for (uint256 i = 0; i < duration / period; i++) {
             _forward(period);
             morpho.accrueInterest(stepMarketParams);
         }
@@ -86,27 +98,29 @@ contract IntegrationAdaptativeCurveIrmTest is BaseTest {
 
         // Results
 
-        uint stepFinalBorrow = morpho.totalBorrowAssets(stepMarketParams.id());
-        uint leapFinalBorrow = morpho.totalBorrowAssets(leapMarketParams.id());
+        uint256 stepFinalBorrow = morpho.totalBorrowAssets(stepMarketParams.id());
+        uint256 leapFinalBorrow = morpho.totalBorrowAssets(leapMarketParams.id());
 
-        console.log("initial borrow      ",initialBorrow);
-        console.log("step final borrow   ",stepFinalBorrow);
-        console.log("leap final borrow   ",leapFinalBorrow);
+        console.log("initial borrow      ", initialBorrow);
+        console.log("step final borrow   ", stepFinalBorrow);
+        console.log("leap final borrow   ", leapFinalBorrow);
         console.log();
-        uint stepBorrowIncrease = stepFinalBorrow-initialBorrow;
-        uint leapBorrowIncrease = leapFinalBorrow-initialBorrow;
-        console.log("step borrow increase",stepBorrowIncrease);
-        console.log("leap borrow increase",leapBorrowIncrease);
+        uint256 stepBorrowIncrease = stepFinalBorrow - initialBorrow;
+        uint256 leapBorrowIncrease = leapFinalBorrow - initialBorrow;
+        console.log("step borrow increase", stepBorrowIncrease);
+        console.log("leap borrow increase", leapBorrowIncrease);
         console.log();
 
-        console.log("1 block step rate   ",IIrm(irm).borrowRateView(stepMarketParams,morpho.market(stepMarketParams.id())));
-        console.log("1 block leap rate   ",IIrm(irm).borrowRateView(leapMarketParams,morpho.market(leapMarketParams.id())));
+        console.log(
+            "1 block step rate   ", IIrm(irm).borrowRateView(stepMarketParams, morpho.market(stepMarketParams.id()))
+        );
+        console.log(
+            "1 block leap rate   ", IIrm(irm).borrowRateView(leapMarketParams, morpho.market(leapMarketParams.id()))
+        );
         console.log();
-        console.log("block.number        ",block.number);
-        console.log("block.timestamp     ",block.timestamp);
+        console.log("block.number        ", block.number);
+        console.log("block.timestamp     ", block.timestamp);
 
-        console.log(unicode"stepΔ/leapΔ          %s%",stepBorrowIncrease*100/leapBorrowIncrease);
+        console.log(unicode"stepΔ/leapΔ          %s%", stepBorrowIncrease * 100 / leapBorrowIncrease);
     }
-
-
 }