Merge pull request #649 from liquity/fix-oracle-mainnet-tests

test: fix mainnet oracle tests
liquity · Dec 12, 2024 · 7b11776 · 7b11776
2 parents be954ae + 2a870c9
commit 7b11776
Show file tree

Hide file tree

Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/contracts/src/test/OracleMainnet.t.sol b/contracts/src/test/OracleMainnet.t.sol
@@ -41,7 +41,7 @@ contract OraclesMainnet is TestAccounts {
     WSTETHTokenMock mockWstethToken;
 
     TestDeployer.LiquityContracts[] contractsArray;
-    ICollateralRegistry collateralRegistry;
+    CollateralRegistryTester collateralRegistry;
     IBoldToken boldToken;
 
     struct StoredOracle {
@@ -127,6 +127,11 @@ contract OraclesMainnet is TestAccounts {
         // console2.log(ethOracle.decimals(), "ETHUSD decimals");
         // console2.log(rethOracle.decimals(), "RETHETH decimals");
         // console2.log(stethOracle.decimals(), "STETHETH decimals");
+
+        // Artificially decay the base rate so we start with a low redemption rate.
+        // Normally, we would just wait for it to decay "naturally" (with `vm.warp`), but we can't do that here,
+        // as it would result in all the oracles going stale.
+        collateralRegistry.setBaseRate(0);
     }
 
     function _getLatestAnswerFromOracle(AggregatorV3Interface _oracle) internal view returns (uint256) {

diff --git a/contracts/src/test/TestContracts/Deployment.t.sol b/contracts/src/test/TestContracts/Deployment.t.sol
@@ -15,6 +15,7 @@ import "../../SortedTroves.sol";
 import "../../StabilityPool.sol";
 import "./BorrowerOperationsTester.t.sol";
 import "./TroveManagerTester.t.sol";
+import "./CollateralRegistryTester.sol";
 import "../../TroveNFT.sol";
 import "../../NFTMetadata/MetadataNFT.sol";
 import "../../CollateralRegistry.sol";
@@ -148,7 +149,7 @@ contract TestDeployer is MetadataDeployment {
     struct DeploymentResultMainnet {
         LiquityContracts[] contractsArray;
         ExternalAddresses externalAddresses;
-        ICollateralRegistry collateralRegistry;
+        CollateralRegistryTester collateralRegistry;
         IBoldToken boldToken;
         HintHelpers hintHelpers;
         MultiTroveGetter multiTroveGetter;
@@ -574,7 +575,7 @@ contract TestDeployer is MetadataDeployment {
         vars.troveManagers[2] = ITroveManager(troveManagerAddress);
 
         // Deploy registry and register the TMs
-        result.collateralRegistry = new CollateralRegistry(result.boldToken, vars.collaterals, vars.troveManagers);
+        result.collateralRegistry = new CollateralRegistryTester(result.boldToken, vars.collaterals, vars.troveManagers);
 
         result.hintHelpers = new HintHelpers(result.collateralRegistry);
         result.multiTroveGetter = new MultiTroveGetter(result.collateralRegistry);