[defi-app-voting] feat/defi-app-voting

src/strategies/defi-app-voting/README.md

@@ -0,0 +1,8 @@
+This strategy returns total voting power on Defi App, based on HOME and sHOME
+
+Here is an example of parameters:
+
+{
+"lockingContract": "0xC9714F8f036087d801f38C4105194e150d3a1864",
+"homeToken": "0x4BfAa776991E85e5f8b1255461cbbd216cFc714f"
+}

src/strategies/defi-app-voting/examples.json

@@ -0,0 +1,19 @@
+[
+  {
+    "name": "sHOME - Base",
+    "strategy": {
+      "name": "defi-app-voting",
+      "params": {
+        "lockingContract": "0xcfb0c58ac2db2269b4a794e615c9f4c559556da0",
+        "homeToken": "0xc8688a66f2588ff3064e87e9bad666c281d41af3"
+      }
+    },
+    "network": "8453",
+    "addresses": [
+      "0xFD79F3E5E5641266c46Aa7F19144Ff7F19a637C7",
+      "0x4011091Dbe57bd4521F598616fe4BB3978ea3005",
+      "0x2eAA7327e9B5Ff46bc2B7452acE9e44A1528eb84"
+    ],
+    "snapshot": 31224505
+  }
+]

src/strategies/defi-app-voting/index.ts

@@ -0,0 +1,52 @@
+import { BigNumberish } from '@ethersproject/bignumber';
+import { formatUnits } from '@ethersproject/units';
+import { Multicaller } from '../../utils';
+
+export const author = 'JD0x2e';
+export const version = '0.1.2';
+
+const mfdAbi = [
+  'function getUserLocks(address) view returns (tuple(uint256 amount, uint256 unlockTime, uint256 multiplier, uint256 duration, uint256 lockCreationTime)[])'
+];
+
+const erc20Abi = ['function balanceOf(address) view returns (uint256)'];
+
+const toJsNum = (bn: BigNumberish) => parseFloat(formatUnits(bn));
+
+export async function strategy(
+  space,
+  network,
+  provider,
+  addresses,
+  options,
+  snapshot
+): Promise<Record<string, number>> {
+  const blockTag = typeof snapshot === 'number' ? snapshot : 'latest';
+
+  const MFD_CONTRACT = options.lockingContract;
+  const HOME_TOKEN = options.homeToken;
+
+  const locksMulticaller = new Multicaller(network, provider, mfdAbi, { blockTag });
+  const homeMulticaller = new Multicaller(network, provider, erc20Abi, { blockTag });
+
+  addresses.forEach((address) => {
+    locksMulticaller.call(address, MFD_CONTRACT, 'getUserLocks', [address]);
+    homeMulticaller.call(address, HOME_TOKEN, 'balanceOf', [address]);
+  });
+
+  const [lockResults, homeBalances] = await Promise.all([
+    locksMulticaller.execute(),
+    homeMulticaller.execute()
+  ]);
+
+  return Object.fromEntries(
+    addresses.map((address) => {
+      const locks = lockResults[address] ?? [];
+      const sHome = locks.reduce((acc, lock) => acc + toJsNum(lock.amount), 0);
+      const home = toJsNum(homeBalances[address] ?? 0);
+
+      const weightedPower = sHome * 0.8 + home * 0.2;
+      return [address, weightedPower];
+    })
+  );
+}

src/strategies/index.ts

@@ -167,6 +167,7 @@ import * as tombFinance from './tomb-finance';
 import * as trancheStakingSLICE from './tranche-staking-slice';
 import * as unipoolUniv2Lp from './unipool-univ2-lp';
 import * as unipoolXSushi from './unipool-xsushi';
+import * as defiAppVoting from './defi-app-voting';
 import * as taraxaDelegation from './taraxa-delegation';
 import * as poap from './poap';
 import * as poapWithWeight from './poap-with-weight';
@@ -699,6 +700,7 @@ const strategies = {
   'loot-character-guilds': lootCharacterGuilds,
   'comp-like-votes-inclusive': compLikeVotesInclusive,
   mstable,
+  'defi-app-voting': defiAppVoting,
   'hashes-voting': hashesVoting,
   'hashflow-vehft': hashflowVeHft,
   'aavegotchi-wagmi-guild': aavegotchiWagmiGuild,