Merge pull request #266 from Define101/master

small modifications to #264 + listing EURO3

Author: Define101

src/adapters/peggedAssets/euro3/index.ts

@@ -0,0 +1,56 @@
+const sdk = require("@defillama/sdk");
+import { sumSingleBalance } from "../helper/generalUtil";
+import {
+  ChainBlocks,
+  PeggedIssuanceAdapter,
+  Balances,
+} from "../peggedAsset.type";
+
+type ChainContracts = {
+  [chain: string]: {
+    issued: string;
+    unreleased: string[];
+  };
+};
+
+const chainContracts: ChainContracts = {
+  polygon: {
+    issued: "0xA0e4c84693266a9d3BBef2f394B33712c76599Ab",
+    unreleased: [],
+  },
+};
+
+async function chainMinted(chain: string, decimals: number) {
+  return async function (
+    _timestamp: number,
+    _ethBlock: number,
+    _chainBlocks: ChainBlocks
+  ) {
+    let balances = {} as Balances;
+    const totalSupply = (
+      await sdk.api.abi.call({
+        abi: "erc20:totalSupply",
+        target: chainContracts[chain].issued,
+        block: _chainBlocks?.[chain],
+        chain: chain,
+      })
+    ).output;
+    sumSingleBalance(
+      balances,
+      "peggedEUR",
+      totalSupply / 10 ** decimals,
+      "issued",
+      false
+    );
+    return balances;
+  };
+}
+
+const adapter: PeggedIssuanceAdapter = {
+  polygon: {
+    minted: chainMinted("polygon", 18),
+    unreleased: async () => ({}),
+  },
+};
+
+export default adapter;

src/adapters/peggedAssets/index.ts

@@ -167,6 +167,7 @@ import audd from "./novatti-australian-digital-dollar";
 import cgusd from "./cygnus-finance-global-usd";
 import feth from "./feth"
 import fxusd from "./fxusd"
+import euro3 from "./euro3"
 
 export default {
   tether,
@@ -337,5 +338,6 @@ export default {
    "novatti-australian-digital-dollar": audd,
    "cygnus-finance-global-usd": cgusd,
    "f-x-protocol-fractional-eth": feth,
-   "f-x-protocol-usd": fxusd
+   "f-x-protocol-usd": fxusd,
+   euro3 //since its the real coingecko id + same symbol we good with this. I think no need to "euro3": euro3 
 };

src/peggedData/peggedData.ts

@@ -3401,4 +3401,28 @@ export default [
     twitter: "https://twitter.com/goku_stable",
     wiki: null,
   },
+  {
+    id: "170",
+    name: "EURO3",
+    address: "polygon:0xA0e4c84693266a9d3BBef2f394B33712c76599Ab",
+    symbol: "EURO3",
+    url: "https://3adao.org/",
+    description:
+      "EURO3 is an over-collateralized, decentralized, variable supply payment coin pegged to the Euro.",
+    mintRedeemDescription:
+      "EURO3 is created by users minting EURO3 loans and it's removed from circulation (burnt) when users repay their loan or redeem EURO3 for the collateral assets.",
+    onCoinGecko: "true",
+    gecko_id: "euro3",
+    cmcId: null,
+    pegType: "peggedEUR",
+    pegMechanism: "crypto-backed",
+    priceSource: "coingecko",
+    auditLinks: [
+      "https://docs.3adao.org/3a-protocol/technical-documentation/audit-report",
+      "https://www.hypernative.io/certificate/3a-dao",
+      "https://www.fyeo.io/post/fyeo-3a-dao-security-assessment",
+    ],
+    twitter: "https://twitter.com/3aaaDAO",
+    wiki: null,
+  },
 ] as PeggedAsset[];