Merge pull request #2056 from prevostc/feat/cap-adapter

cap adapter

Author: slasher125

src/adaptors/cap/index.js

@@ -0,0 +1,40 @@
+const utils = require('../utils');
+const sdk = require('@defillama/sdk');
+const { capConfig, capABI } = require('./lib/configs');
+
+
+const poolsFunction = async () => {
+    const chain = 'ethereum';
+    const infra = capConfig[chain].infra;
+    const cUSD = capConfig[chain].tokens.cUSD;
+    const stcUSD = capConfig[chain].tokens.stcUSD;
+
+    const stcUSDInfos = await utils.getERC4626Info(stcUSD.address, chain);
+    const cUSDPriceRes = await sdk.api.abi.call({
+        abi: capABI.Oracle.getPrice,
+        target: infra.oracle.address,
+        chain,
+        params: [cUSD.address],
+    });
+
+    const cUSDPrice = BigInt(cUSDPriceRes.output[0]);
+    const tvlCUSD = BigInt(stcUSDInfos.tvl);
+    const tvlUsd = cUSDPrice * tvlCUSD / BigInt(10) ** BigInt(cUSD.decimals);
+    const tvlUsdNum = Number(tvlUsd) / 10 ** infra.oracle.priceDecimals;
+
+    const stcUSDPool = {
+        pool: stcUSDInfos.pool,
+        chain: utils.formatChain(chain),
+        project: 'cap',
+        symbol: utils.formatSymbol(stcUSD.id),
+        tvlUsd: tvlUsdNum,
+        apy: stcUSDInfos.apyBase,
+    };
+
+    return [stcUSDPool];
+};
+
+module.exports = {
+    apy: poolsFunction,
+    url: 'https://cap.app',
+};

src/adaptors/cap/lib/configs.js

@@ -0,0 +1,81 @@
+
+const capConfig = {
+    ethereum: {
+        fromBlock: 22867447,
+        fromTime: 1751892875,
+        infra: {
+            oracle: {
+                priceDecimals: 8,
+                address: '0xcD7f45566bc0E7303fB92A93969BB4D3f6e662bb',
+                fromBlock: 22867447,
+            },
+            lender: {
+                address: '0x15622c3dbbc5614E6DFa9446603c1779647f01FC',
+                fromBlock: 22867447,
+            },
+            delegation: {
+                address: '0xF3E3Eae671000612CE3Fd15e1019154C1a4d693F',
+                fromBlock: 22867447,
+            },
+        },
+        tokens: {
+            cUSD: {
+                id: 'cUSD',
+                coingeckoId: 'cap-usd',
+                decimals: 18,
+                address: '0xcCcc62962d17b8914c62D74FfB843d73B2a3cccC',
+                fromBlock: 22874015,
+            },
+            stcUSD: {
+                id: 'stcUSD',
+                coingeckoId: 'cap-staked-usd',
+                decimals: 18,
+                address: '0x88887bE419578051FF9F4eb6C858A951921D8888',
+                fromBlock: 22874056,
+            },
+        },
+        symbiotic: {
+            // no good way to fetch it on chain?
+            networkMiddlewareToNetwork: {
+                // this one is deprecated
+                '0x8c9140fe6650e56a0a07e86455d745f8f7843b6d': '0x44f7e678e8412dbef1fd930f60af2bd125095962',
+
+                // this one is the new one (and default)
+                '0x09a3976d8d63728d20dcdfee1e531c206ba91225': '0x98e52ea7578f2088c152e81b17a9a459bf089f2a',
+                default: '0x98e52ea7578f2088c152e81b17a9a459bf089f2a',
+            }
+        }
+    },
+};
+
+const capABI = {
+    Oracle: {
+        getPrice: 'function getPrice(address _token) external view returns (uint256,uint256)',
+    },
+    Vault: {
+        AddAssetEvent: 'event AddAsset(address asset)',
+        totalSupplies: 'function totalSupplies(address _token) external view returns (uint256 totalSupply)',
+    },
+    Lender: {
+        ReserveAssetAddedEvent: 'event ReserveAssetAdded(address indexed asset, address vault, address debtToken, address interestReceiver, uint256 id)',
+    },
+    Delegation: {
+        AddAgentEvent: 'event AddAgent(address agent, address network, uint256 ltv, uint256 liquidationThreshold)',
+    },
+    SymbioticNetworkMiddleware: {
+        coverageByVault: 'function coverageByVault(address _network, address _agent, address _vault, address _oracle, uint48 _timestamp) public view returns (uint256 collateralValue, uint256 collateral)',
+        vaults: 'function vaults(address _agent) external view returns (address vaultAddress)',
+    }
+}
+
+const symbioticABI = {
+    Vault: {
+        collateral: 'function collateral() public view returns (address)',
+    }
+}
+
+module.exports = {
+    capConfig,
+    capABI,
+    symbioticABI,
+}