wans market (#26)

Co-authored-by: João Bruno - Balancer Labs <[email protected]>

test/sonic/ERC4626SonicSiloWanS.sol

@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+pragma solidity ^0.8.24;
+
+import "forge-std/Test.sol";
+
+import { IERC4626 } from "@openzeppelin/contracts/interfaces/IERC4626.sol";
+
+import { ERC4626WrapperBaseTest } from "../ERC4626WrapperBase.t.sol";
+
+contract ERC4626SonicSiloV2WanSTest is ERC4626WrapperBaseTest {
+    function setUp() public override {
+        ERC4626WrapperBaseTest.setUp();
+
+        // By default Silo V2 uses 21 decimals for their ERC4626 implementation.
+        // Specifically to support balancer boosted pools, they've deployed markets with 18 decimals that truncate
+        // the last 3 decimal places. Since the additional 3 digits of precision are always 0 and only used as an
+        // additional layer of security against first deposit attacks, it does not impact the functioning of the market.
+        // As such, the conversion rate is 1:1000, which we account for here by overwriting underlyingToWrappedFactor
+        underlyingToWrappedFactor = 1000;
+    }
+
+    function setUpForkTestVariables() internal override {
+        network = "sonic";
+        overrideBlockNumber = 6634482;
+
+        // Silo V2's wS in wans/ws market (id 25)
+        wrapper = IERC4626(0x016C306e103FbF48EC24810D078C65aD13c5f11B);
+        // Donor of solvBTC
+        underlyingDonor = 0xE223C8e92AA91e966CA31d5C6590fF7167E25801;
+        amountToDonate = 50 * 1e18;
+    }
+}