bgd-labs · brotherlymite · Oct 31, 2024 · Oct 30, 2024 · Oct 31, 2024
diff --git a/Makefile b/Makefile
@@ -36,6 +36,9 @@ deploy-bnbx-bnb :; forge script scripts/DeployBnb.s.sol:DeployBNBxBnb --rpc-url
 
 deploy-ezeth-mainnet :; forge script scripts/DeployEthereum.s.sol:DeployEzEthEthereum --rpc-url mainnet $(common-flags)
 
+deploy-sdai-mainnet :; forge script scripts/DeployEthereum.s.sol:DeploySDaiEthereum --rpc-url mainnet $(common-flags)
+deploy-sdai-gnosis :; forge script scripts/DeployGnosis.s.sol:DeploySDaiGnosis --rpc-url gnosis $(common-flags)
+
 deploy-rseth-mainnet :; forge script scripts/DeployEthereum.s.sol:DeployRsEthEthereum --rpc-url mainnet $(common-flags)
 
 # Utilities

diff --git a/reports/sDAI_Ethereum.md b/reports/sDAI_Ethereum.md
@@ -0,0 +1,26 @@
+# Capo Report
+
+| Capped sDAI / DAI / USD | DAI / USD  | Diff   | Date        | 7-day growth in yearly % |
+| ----------------------- | ---------- | ------ | ----------- | ------------------------ |
+| 1.11334971              | 0.99966482 | 10.76% | 17 Oct 2024 | 5.38%                    |
+| 1.1136328               | 0.99977    | 10.78% | 18 Oct 2024 | 5.35%                    |
+| 1.11383086              | 0.99979973 | 10.79% | 19 Oct 2024 | 5.35%                    |
+| 1.11414282              | 0.99992865 | 10.81% | 20 Oct 2024 | 5.37%                    |
+| 1.11434215              | 0.99995926 | 10.82% | 21 Oct 2024 | 5.35%                    |
+| 1.11428835              | 0.99976    | 10.83% | 22 Oct 2024 | 5.35%                    |
+| 1.11442294              | 0.99973188 | 10.85% | 23 Oct 2024 | 5.35%                    |
+| 1.11455532              | 0.99970131 | 10.86% | 24 Oct 2024 | 5.35%                    |
+| 1.11485537              | 0.99982108 | 10.88% | 25 Oct 2024 | 5.35%                    |
+| 1.11484808              | 0.99966494 | 10.89% | 26 Oct 2024 | 5.36%                    |
+| 1.11510009              | 0.99974234 | 10.91% | 27 Oct 2024 | 5.35%                    |
+| 1.11544634              | 0.99990409 | 10.92% | 28 Oct 2024 | 5.35%                    |
+| 1.11556526              | 0.99986    | 10.94% | 29 Oct 2024 | 5.35%                    |
+| 1.1158962               | 1.00000876 | 10.95% | 30 Oct 2024 | 5.34%                    |
+
+- 7-day growth is calculated as an annualized percentage relative to the value of the rate 7 days prior.
+
+| Max Yearly % | Max Day-to-day yearly % | Max 7-day yearly % |
+| ------------ | ----------------------- | ------------------ |
+| 9.69%        | 5.53%                   | 5.38%              |
+
+- Max day-to-day yearly % indicates the maximum growth between two emissions as an annualized percentage.
diff --git a/reports/sDAI_Gnosis.md b/reports/sDAI_Gnosis.md
@@ -0,0 +1,26 @@
+# Capo Report
+
+| Capped sDAI / DAI / USD | DAI / USD  | Diff   | Date        | 7-day growth in yearly % |
+| ----------------------- | ---------- | ------ | ----------- | ------------------------ |
+| 1.11779532              | 0.99971365 | 11.15% | 17 Oct 2024 | 6.96%                    |
+| 1.1179241               | 0.99966346 | 11.17% | 18 Oct 2024 | 6.74%                    |
+| 1.11822501              | 0.99976211 | 11.19% | 19 Oct 2024 | 6.70%                    |
+| 1.11832166              | 0.999735   | 11.20% | 20 Oct 2024 | 6.31%                    |
+| 1.1187078               | 0.99978507 | 11.23% | 21 Oct 2024 | 7.31%                    |
+| 1.11896805              | 0.99984    | 11.24% | 22 Oct 2024 | 6.84%                    |
+| 1.11914493              | 0.99979999 | 11.26% | 23 Oct 2024 | 6.78%                    |
+| 1.119103                | 0.99966681 | 11.27% | 24 Oct 2024 | 6.23%                    |
+| 1.11942566              | 0.99966508 | 11.30% | 25 Oct 2024 | 6.88%                    |
+| 1.11978946              | 0.99980639 | 11.32% | 26 Oct 2024 | 6.94%                    |
+| 1.11996144              | 0.99981308 | 11.34% | 27 Oct 2024 | 7.11%                    |
+| 1.1201338               | 0.99974778 | 11.36% | 28 Oct 2024 | 6.71%                    |
+| 1.12047981              | 0.99987    | 11.38% | 29 Oct 2024 | 6.74%                    |
+| 1.12103936              | 1.00018123 | 11.40% | 30 Oct 2024 | 6.69%                    |
+
+- 7-day growth is calculated as an annualized percentage relative to the value of the rate 7 days prior.
+
+| Max Yearly % | Max Day-to-day yearly % | Max 7-day yearly % |
+| ------------ | ----------------------- | ------------------ |
+| 9.69%        | 10.69%                  | 7.31%              |
+
+- Max day-to-day yearly % indicates the maximum growth between two emissions as an annualized percentage.
diff --git a/scripts/DeployEthereum.s.sol b/scripts/DeployEthereum.s.sol
@@ -1,9 +1,11 @@
 // SPDX-License-Identifier: BUSL-1.1
 pragma solidity ^0.8.0;
+
 import {GovV3Helpers} from 'aave-helpers/GovV3Helpers.sol';
 import {EthereumScript} from 'solidity-utils/contracts/utils/ScriptUtils.sol';
 import {AaveV3Ethereum, AaveV3EthereumAssets} from 'aave-address-book/AaveV3Ethereum.sol';
 import {AaveV3EthereumLido, AaveV3EthereumLidoAssets} from 'aave-address-book/AaveV3EthereumLido.sol';
+import {MiscEthereum} from 'aave-address-book/MiscEthereum.sol';
 
 import {PriceCapAdapterStable} from '../src/contracts/PriceCapAdapterStable.sol';
 import {IPriceCapAdapter, IChainlinkAggregator} from '../src/interfaces/IPriceCapAdapter.sol';
@@ -14,6 +16,7 @@ import {EthXPriceCapAdapter} from '../src/contracts/lst-adapters/EthXPriceCapAda
 import {SUSDePriceCapAdapter} from '../src/contracts/lst-adapters/SUSDePriceCapAdapter.sol';
 import {sUSDSPriceCapAdapter} from '../src/contracts/lst-adapters/sUSDSPriceCapAdapter.sol';
 import {EzETHPriceCapAdapter} from '../src/contracts/lst-adapters/EzETHPriceCapAdapter.sol';
+import {sDAIMainnetPriceCapAdapter} from '../src/contracts/lst-adapters/sDAIMainnetPriceCapAdapter.sol';
 import {RsETHPriceCapAdapter} from '../src/contracts/lst-adapters/RsETHPriceCapAdapter.sol';
 
 library CapAdaptersCodeEthereum {
@@ -126,6 +129,27 @@ library CapAdaptersCodeEthereum {
       );
   }
 
+  function sDAIAdapterCode() internal pure returns (bytes memory) {
+    return
+      abi.encodePacked(
+        type(sDAIMainnetPriceCapAdapter).creationCode,
+        abi.encode(
+          IPriceCapAdapter.CapAdapterParams({
+            aclManager: AaveV3Ethereum.ACL_MANAGER,
+            baseAggregatorAddress: DAI_PRICE_FEED,
+            ratioProviderAddress: MiscEthereum.sDAI_POT,
+            pairDescription: 'Capped sDAI / DAI / USD',
+            minimumSnapshotDelay: 7 days,
+            priceCapParams: IPriceCapAdapter.PriceCapUpdateParams({
+              snapshotRatio: 1_114312383890349337561189736,
+              snapshotTimestamp: 1729467251,
+              maxYearlyRatioGrowthPercent: 9_69
+            })
+          })
+        )
+      );
+  }
+
   function USDSAdapterCode() internal pure returns (bytes memory) {
     return
       abi.encodePacked(
@@ -253,8 +277,14 @@ contract DeployEzEthEthereum is EthereumScript {
   }
 }
 
+contract DeploySDaiEthereum is EthereumScript {
+  function run() external broadcast {
+    GovV3Helpers.deployDeterministic(CapAdaptersCodeEthereum.sDAIAdapterCode());
+  }
+}
+
 contract DeployRsEthEthereum is EthereumScript {
   function run() external broadcast {
     GovV3Helpers.deployDeterministic(CapAdaptersCodeEthereum.rsETHAdapterCode());
   }
-}
+}
diff --git a/scripts/DeployGnosis.s.sol b/scripts/DeployGnosis.s.sol
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: BUSL-1.1
+pragma solidity ^0.8.0;
+
+import {GovV3Helpers} from 'aave-helpers/GovV3Helpers.sol';
+import {GnosisScript} from 'solidity-utils/contracts/utils/ScriptUtils.sol';
+import {AaveV3Gnosis, AaveV3GnosisAssets} from 'aave-address-book/AaveV3Gnosis.sol';
+
+import {sDAIGnosisPriceCapAdapter} from '../src/contracts/lst-adapters/sDAIGnosisPriceCapAdapter.sol';
+import {IPriceCapAdapter} from '../src/interfaces/IPriceCapAdapter.sol';
+
+library CapAdaptersCodeGnosis {
+  address public constant DAI_PRICE_FEED = 0x678df3415fc31947dA4324eC63212874be5a82f8;
+
+  function sDAIAdapterCode() internal pure returns (bytes memory) {
+    return
+      abi.encodePacked(
+        type(sDAIGnosisPriceCapAdapter).creationCode,
+        abi.encode(
+          IPriceCapAdapter.CapAdapterParams({
+            aclManager: AaveV3Gnosis.ACL_MANAGER,
+            baseAggregatorAddress: DAI_PRICE_FEED,
+            ratioProviderAddress: AaveV3GnosisAssets.sDAI_UNDERLYING,
+            pairDescription: 'Capped sDAI / DAI / USD',
+            minimumSnapshotDelay: 7 days,
+            priceCapParams: IPriceCapAdapter.PriceCapUpdateParams({
+              snapshotRatio: 1_118618102334074883,
+              snapshotTimestamp: 1729423540,
+              maxYearlyRatioGrowthPercent: 9_69
+            })
+          })
+        )
+      );
+  }
+}
+
+contract DeploySDaiGnosis is GnosisScript {
+  function run() external broadcast {
+    GovV3Helpers.deployDeterministic(CapAdaptersCodeGnosis.sDAIAdapterCode());
+  }
+}
diff --git a/src/contracts/lst-adapters/sDAIGnosisPriceCapAdapter.sol b/src/contracts/lst-adapters/sDAIGnosisPriceCapAdapter.sol
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: BUSL-1.1
+pragma solidity ^0.8.19;
+
+import {IERC4626} from 'forge-std/interfaces/IERC4626.sol';
+import {PriceCapAdapterBase, IPriceCapAdapter} from '../PriceCapAdapterBase.sol';
+
+/**
+ * @title sDAIGnosisPriceCapAdapter
+ * @author BGD Labs
+ * @notice Price capped adapter to calculate price of (sDAI / USD) pair by using
+ * @notice Chainlink data feed for (DAI / USD) and (sDAI / DAI) ratio on Gnosis network.
+ */
+contract sDAIGnosisPriceCapAdapter is PriceCapAdapterBase {
+  /**
+   * @param capAdapterParams parameters to create cap adapter
+   */
+  constructor(
+    CapAdapterParams memory capAdapterParams
+  )
+    PriceCapAdapterBase(
+      CapAdapterBaseParams({
+        aclManager: capAdapterParams.aclManager,
+        baseAggregatorAddress: capAdapterParams.baseAggregatorAddress,
+        ratioProviderAddress: capAdapterParams.ratioProviderAddress,
+        pairDescription: capAdapterParams.pairDescription,
+        ratioDecimals: 18,
+        minimumSnapshotDelay: capAdapterParams.minimumSnapshotDelay,
+        priceCapParams: capAdapterParams.priceCapParams
+      })
+    )
+  {}
+
+  /// @inheritdoc IPriceCapAdapter
+  function getRatio() public view override returns (int256) {
+    return int256(IERC4626(RATIO_PROVIDER).convertToAssets(10 ** RATIO_DECIMALS));
+  }
+}
diff --git a/src/contracts/lst-adapters/sDAIMainnetPriceCapAdapter.sol b/src/contracts/lst-adapters/sDAIMainnetPriceCapAdapter.sol
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: BUSL-1.1
+pragma solidity ^0.8.19;
+
+import {PriceCapAdapterBase, IPriceCapAdapter} from '../PriceCapAdapterBase.sol';
+import {IPot} from 'cl-synchronicity-price-adapter/interfaces/IPot.sol';
+
+/**
+ * @title sDAIMainnetPriceCapAdapter
+ * @author BGD Labs
+ * @notice Price capped adapter to calculate price of (sDAI / USD) pair by using
+ * @notice Chainlink data feed for (DAI / USD) and (sDAI / DAI) ratio on Ethereum network.
+ */
+contract sDAIMainnetPriceCapAdapter is PriceCapAdapterBase {
+  /**
+   * @param capAdapterParams parameters to create cap adapter
+   */
+  constructor(
+    CapAdapterParams memory capAdapterParams
+  )
+    PriceCapAdapterBase(
+      CapAdapterBaseParams({
+        aclManager: capAdapterParams.aclManager,
+        baseAggregatorAddress: capAdapterParams.baseAggregatorAddress,
+        ratioProviderAddress: capAdapterParams.ratioProviderAddress,
+        pairDescription: capAdapterParams.pairDescription,
+        ratioDecimals: 27,
+        minimumSnapshotDelay: capAdapterParams.minimumSnapshotDelay,
+        priceCapParams: capAdapterParams.priceCapParams
+      })
+    )
+  {}
+
+  /// @inheritdoc IPriceCapAdapter
+  function getRatio() public view override returns (int256) {
+    return int256(IPot(RATIO_PROVIDER).chi());
+  }
+}
diff --git a/tests/ethereum/sDAIMainnetPriceCapAdapterTest.t.sol b/tests/ethereum/sDAIMainnetPriceCapAdapterTest.t.sol
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: BUSL-1.1
+pragma solidity ^0.8.0;
+
+import '../BaseTest.sol';
+import {sDAIMainnetPriceCapAdapter} from '../../src/contracts/lst-adapters/sDAIMainnetPriceCapAdapter.sol';
+import {CapAdaptersCodeEthereum} from '../../scripts/DeployEthereum.s.sol';
+
+contract sDAIMainnetPriceCapAdapterTest is BaseTest {
+  constructor()
+    BaseTest(
+      CapAdaptersCodeEthereum.sDAIAdapterCode(),
+      20,
+      ForkParams({network: 'mainnet', blockNumber: 21079105}),
+      'sDAI_Ethereum'
+    )
+  {}
+
+  function _createAdapter(
+    IPriceCapAdapter.CapAdapterParams memory capAdapterParams
+  ) internal override returns (IPriceCapAdapter) {
+    return new sDAIMainnetPriceCapAdapter(capAdapterParams);
+  }
+}
diff --git a/tests/gnosis/sDAIGnosisPriceCapAdapter.t.sol b/tests/gnosis/sDAIGnosisPriceCapAdapter.t.sol
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: BUSL-1.1
+pragma solidity ^0.8.0;
+
+import '../BaseTest.sol';
+import {sDAIGnosisPriceCapAdapter} from '../../src/contracts/lst-adapters/sDAIGnosisPriceCapAdapter.sol';
+import {CapAdaptersCodeGnosis} from '../../scripts/DeployGnosis.s.sol';
+
+contract sDAIGnosisPriceCapAdapterTest is BaseTest {
+  constructor()
+    BaseTest(
+      CapAdaptersCodeGnosis.sDAIAdapterCode(),
+      20,
+      ForkParams({network: 'gnosis', blockNumber: 36769758}),
+      'sDAI_Gnosis'
+    )
+  {}
+
+  function _createAdapter(
+    IPriceCapAdapter.CapAdapterParams memory capAdapterParams
+  ) internal override returns (IPriceCapAdapter) {
+    return new sDAIGnosisPriceCapAdapter(capAdapterParams);
+  }
+}
diff --git a/tests/utils/GetExchangeRatesTest.t.sol b/tests/utils/GetExchangeRatesTest.t.sol
@@ -40,7 +40,7 @@ import {CapAdaptersCodeBNB} from '../../scripts/DeployBnb.s.sol';
 
 contract ExchangeRatesEth is Test {
   function setUp() public {
-    vm.createSelectFork(vm.rpcUrl('mainnet'), 20963424); // 14th of October
+    vm.createSelectFork(vm.rpcUrl('mainnet'), 21010101); // Oct-20-2024
   }
 
   function test_getExchangeRate() public view {
@@ -147,7 +147,7 @@ contract ExchangeRatesBase is Test {
 
 contract ExchangeRatesGnosis is Test {
   function setUp() public {
-    vm.createSelectFork(vm.rpcUrl('gnosis'), 32462055); // 15th of February
+    vm.createSelectFork(vm.rpcUrl('gnosis'), 36600000); // Oct-20-2024
   }
 
   function test_getExchangeRate() public view {