Earn 的工作原理

{
  "address": "0x7BfA7C4f149E7415b73bdeDfe609237e29CBF34A",
  "network": "base",
  "chainId": 8453,
  "slug": "morpho-base-usdc-0x7bfa",
  "name": "Morpho USDC Vault",
  "description": "Optimized USDC lending vault on Morpho",  // optional, may be absent
  "protocol": {
    "name": "Morpho",
    "logoUri": "https://example.com/morpho-logo.png",
    "url": "https://morpho.org"
  },
  "underlyingTokens": [
    {
      "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "symbol": "USDC",
      "decimals": 6,
      "weight": 1.0
    }
  ],
  "lpTokens": [],                  // typically empty; use vault `address` as toToken for Composer
  "rewardTokens": [],             // optional, may be absent
  "tags": ["stablecoin", "lending"],
  "analytics": {
    "apy": {
      "base": 0.0534,             // nullable, can be null
      "reward": null,             // nullable, can be null
      "total": 0.0534
    },
    "apy1d": 0.0521,              // nullable, can be null
    "apy7d": 0.0538,              // nullable, can be null
    "apy30d": 0.0545,
    "tvl": {
      "usd": "12500000.00",
      "native": "12500000000000"  // optional, may be absent
    },
    "updatedAt": "2026-03-31T14:30:00.000Z"
  },
  "caps": {                       // optional, may be absent
    "totalCap": "50000000000000",
    "maxCap": "100000000000000"
  },
  "timeLock": 0,                  // optional, may be absent
  "kyc": false,                   // optional, may be absent
  "isTransactional": true,
  "isRedeemable": true,
  "depositPacks": [
    { "name": "morpho-deposit", "stepsType": "instant" }
  ],
  "redeemPacks": [
    { "name": "morpho-redeem", "stepsType": "instant" }
  ],
  "syncedAt": "2026-03-31T14:30:00.000Z"
}