[derpdex-xderp-yield-booster]Added derpdex-xderp-yield-booster strategy

src/strategies/derpdex-xderp-yield-booster/README.md

@@ -0,0 +1,13 @@
+# derpdex-xderp-yield-booster
+
+This is the DerpDEX xDERP strategy for yield booster users, it returns the balances of the allocated tokens in yield booster for the users.
+
+Here is an example of parameters:
+
+```json
+{
+  "address": "0xd377088F3026536682Bf58Cc74448a5B31490C46",
+  "symbol": "xDERP",
+  "decimals": 18
+}
+```

src/strategies/derpdex-xderp-yield-booster/examples.json

@@ -0,0 +1,20 @@
+[
+  {
+    "name": "Example query",
+    "strategy": {
+      "name": "derpdex-xderp-yield-booster",
+      "params": {
+        "address": "0xd377088F3026536682Bf58Cc74448a5B31490C46",
+        "symbol": "xDERP",
+        "decimals": 18
+      }
+    },
+    "network": "324",
+    "addresses": [
+      "0x440097Cebd3b8C20ec43bA4A9395e252BF41dcCc",
+      "0x945bB7BD5AD143279647825544Ab94395D435d15",
+      "0x01043868e5079cE26ba2694638B2282Ccae7BA53"
+    ],
+    "snapshot": 21537650
+  }
+]

src/strategies/derpdex-xderp-yield-booster/index.ts

@@ -0,0 +1,34 @@
+import { BigNumberish } from '@ethersproject/bignumber';
+import { formatUnits } from '@ethersproject/units';
+import { Multicaller } from '../../utils';
+
+export const author = 'bonustrack';
+export const version = '0.1.1';
+
+const abi = [
+  'function userTotalAllocations(address account) external view returns (uint256)'
+];
+
+export async function strategy(
+  space,
+  network,
+  provider,
+  addresses,
+  options,
+  snapshot
+): Promise<Record<string, number>> {
+  const blockTag = typeof snapshot === 'number' ? snapshot : 'latest';
+
+  const multi = new Multicaller(network, provider, abi, { blockTag });
+  addresses.forEach((address) =>
+    multi.call(address, options.address, 'userTotalAllocations', [address])
+  );
+  const result: Record<string, BigNumberish> = await multi.execute();
+
+  return Object.fromEntries(
+    Object.entries(result).map(([address, balance]) => [
+      address,
+      parseFloat(formatUnits(balance, options.decimals))
+    ])
+  );
+}

src/strategies/derpdex-xderp-yield-booster/schema.json

@@ -0,0 +1,33 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$ref": "#/definitions/Strategy",
+  "definitions": {
+    "Strategy": {
+      "title": "Strategy",
+      "type": "object",
+      "properties": {
+        "symbol": {
+          "type": "string",
+          "title": "Symbol",
+          "examples": ["e.g. xDERP"],
+          "maxLength": 16
+        },
+        "address": {
+          "type": "string",
+          "title": "Contract address",
+          "examples": ["e.g. 0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984"],
+          "pattern": "^0x[a-fA-F0-9]{40}$",
+          "minLength": 42,
+          "maxLength": 42
+        },
+        "decimals": {
+          "type": "number",
+          "title": "Decimals",
+          "examples": ["e.g. 18"]
+        }
+      },
+      "required": ["address", "decimals"],
+      "additionalProperties": false
+    }
+  }
+}

src/strategies/index.ts

@@ -406,6 +406,7 @@ import * as totalAxionShares from './total-axion-shares';
 import * as unipoolSameToken from './unipool-same-token';
 import * as voltVotingPower from './volt-voting-power';
 import * as xdaiStakersAndHolders from './xdai-stakers-and-holders';
+import * as derpdexxDERPYieldBooster from './derpdex-xderp-yield-booster';
 
 const strategies = {
   'cap-voting-power': capVotingPower,
@@ -818,7 +819,8 @@ const strategies = {
   'total-axion-shares': totalAxionShares,
   'unipool-same-token': unipoolSameToken,
   'volt-voting-power': voltVotingPower,
-  'xdai-stakers-and-holders': xdaiStakersAndHolders
+  'xdai-stakers-and-holders': xdaiStakersAndHolders,
+  'derpdex-xderp-yield-booster': derpdexxDERPYieldBooster,
 };
 
 Object.keys(strategies).forEach(function (strategyName) {