Merge pull request #435 from dtrinity/master

Add dUSD (part of dTRINITY protocol) on Fraxtal

src/adapters/peggedAssets/dtrinity-usd/index.ts

@@ -0,0 +1,73 @@
+const sdk = require("@defillama/sdk");
+import { sumSingleBalance } from "../helper/generalUtil";
+import {
+  Balances,
+  ChainBlocks,
+  PeggedIssuanceAdapter,
+} from "../peggedAsset.type";
+
+const chainContracts = {
+  fraxtal: {
+    issued: "0x788D96f655735f52c676A133f4dFC53cEC614d4A",
+    amoManager: "0x49a0c8030Ca199f6F246517aE689E3cC0775271a",
+    issuer: "0x1ec13EF0b22C53298A00b23b03203E03D999b7a2",
+  },
+};
+
+async function dUSDMinted(chain: string, decimals: number) {
+  return async function (
+    _timestamp: number,
+    _ethBlock: number,
+    _chainBlocks: ChainBlocks,
+  ) {
+    let balances = {} as Balances;
+    const circulatingSupply = (
+      await sdk.api.abi.call({
+        abi: {
+          inputs: [],
+          name: "circulatingDusd",
+          outputs: [{ internalType: "uint256", name: "", type: "uint256" }],
+          stateMutability: "view",
+          type: "function",
+        },
+        target: chainContracts[chain as keyof typeof chainContracts].issuer,
+        chain: chain,
+        block: _chainBlocks?.[chain],
+      })
+    ).output;
+
+    const amoSupply = (
+      await sdk.api.abi.call({
+        abi: {
+          inputs: [],
+          name: "totalAmoSupply",
+          outputs: [{ internalType: "uint256", name: "", type: "uint256" }],
+          stateMutability: "view",
+          type: "function",
+        },
+        target: chainContracts[chain as keyof typeof chainContracts].amoManager,
+        chain: chain,
+        block: _chainBlocks?.[chain],
+      })
+    ).output;
+
+
+    sumSingleBalance(
+      balances,
+      "peggedUSD",
+      Number((BigInt(circulatingSupply) + BigInt(amoSupply))/ BigInt(10 ** decimals)),
+      "issued",
+      false,
+    );
+
+    return balances;
+  };
+}
+
+const adapter: PeggedIssuanceAdapter = {
+  fraxtal: {
+    minted: dUSDMinted("fraxtal", 6),
+  },
+};
+
+export default adapter;

src/adapters/peggedAssets/index.ts

@@ -220,6 +220,7 @@ import vnxau from "./vnx-gold";
 import vchf from "./vnx-swiss-franc";
 import xusd from "./xusd-babelfish";
 import zkusd from "./zkusd";
+import dtrinityusd from "./dtrinity-usd";
 
 export default {
   tether,
@@ -443,6 +444,7 @@ export default {
   "satoshi-stablecoin": satusd,
   "astherus-usdf": usdf,
   "usda-2": avalon_usda, // coingecko id first, than token
-  usdtb,  // same as coingeckoID
- "tren-debt-token" : xy
+  usdtb,  // same as coingeckoID,
+ "tren-debt-token" : xy,
+ "dtrinity-usd": dtrinityusd,
 };

src/peggedData/peggedData.ts

@@ -4496,5 +4496,24 @@ export default [
     priceSource: "defillama",
     twitter: "https://x.com/TrenFinance",
     wiki: "https://docs.tren.finance/tokens/xy" 
+  },
+  {
+    id: "224",
+    name: "dTRINITY USD",
+    address: "fraxtal:0x788D96f655735f52c676A133f4dFC53cEC614d4A",
+    symbol: "dUSD",
+    url: "https://dtrinity.org/",
+    description:
+      `dUSD is a decentralized and full-reserve stablecoin, backed by an on-chain reserve of other USD-denominated stablecoins and yieldcoins. Based on the ERC-20 standard, every dUSD token is backed by at least $1 of collateral and can be minted permissionlessly via smart contracts with no fees (excluding gas).`,
+    mintRedeemDescription: "Mirroring the US Dollar's non-redeemability for its underlying gold reserves post-Nixon Shock (1971), dUSD is also designed to have non-redeemable reserves to maximize float interest generation. In place of redemption, dUSD relies on open market operations to manage liquidity and stability, similar to the Fed.",
+    onCoinGecko: "true",
+    gecko_id: "dtrinity-usd",
+    cmcId: "", 
+    pegType: "peggedUSD",
+    pegMechanism: "crypto-backed",
+    auditLinks: "https://docs.dtrinity.org/developer/audits-and-security",
+    priceSource: "coingecko",
+    twitter: "https://x.com/dtrinity_defi",
+    wiki: "https://docs.dtrinity.org" 
   }
 ] as PeggedAsset[];