feat: add support for Kōyō Finance

src/apps/koyo/aurora/koyo.balance-fetcher.ts

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+import { Inject } from '@nestjs/common';
+
+import { TokenBalanceHelper } from '~app-toolkit';
+import { Register } from '~app-toolkit/decorators';
+import { presentBalanceFetcherResponse } from '~app-toolkit/helpers/presentation/balance-fetcher-response.present';
+import { BalanceFetcher } from '~balance/balance-fetcher.interface';
+import { Network } from '~types/network.interface';
+
+import { KOYO_DEFINITION } from '../koyo.definition';
+
+const appId = KOYO_DEFINITION.id;
+const network = Network.AURORA_MAINNET;
+
+@Register.BalanceFetcher(appId, network)
+export class AuroraKoyoBalanceFetcher implements BalanceFetcher {
+  constructor(@Inject(TokenBalanceHelper) private readonly tokenBalanceHelper: TokenBalanceHelper) {}
+
+  async getPoolBalances(address: string) {
+    return this.tokenBalanceHelper.getTokenBalances({
+      address,
+      network,
+      appId,
+      groupId: KOYO_DEFINITION.groups.pool.id,
+    });
+  }
+
+  async getBalances(address: string) {
+    const [poolBalances] = await Promise.all([this.getPoolBalances(address)]);
+
+    return presentBalanceFetcherResponse([
+      {
+        label: 'Pools',
+        assets: poolBalances,
+      },
+    ]);
+  }
+}

src/apps/koyo/aurora/koyo.pool.token-fetcher.ts

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+import { Inject } from '@nestjs/common';
+
+import { Register } from '~app-toolkit/decorators';
+import { BalancerV2PoolTokensHelper } from '~apps/balancer-v2';
+import { BalancerV2TheGraphPoolTokenDataStrategy } from '~apps/balancer-v2/helpers/balancer-v2.the-graph.pool-token-address-strategy';
+import { PositionFetcher } from '~position/position-fetcher.interface';
+import { AppTokenPosition } from '~position/position.interface';
+import { Network } from '~types/network.interface';
+
+import { KOYO_DEFINITION } from '../koyo.definition';
+
+const appId = KOYO_DEFINITION.id;
+const groupId = KOYO_DEFINITION.groups.pool.id;
+const network = Network.AURORA_MAINNET;
+
+@Register.TokenPositionFetcher({ appId, groupId, network })
+export class AuroraKoyoPoolTokenFetcher implements PositionFetcher<AppTokenPosition> {
+  constructor(
+    @Inject(BalancerV2PoolTokensHelper) private readonly poolTokensHelper: BalancerV2PoolTokensHelper,
+    @Inject(BalancerV2TheGraphPoolTokenDataStrategy)
+    private readonly theGraphPoolTokenDataStrategy: BalancerV2TheGraphPoolTokenDataStrategy,
+  ) {}
+
+  getPositions() {
+    return this.poolTokensHelper.getTokenMarketData({
+      network,
+      appId,
+      groupId,
+      vaultAddress: '0x0613adbd846cb73e65aa474b785f52697af04c0b',
+      resolvePoolTokenAddresses: this.theGraphPoolTokenDataStrategy.build({
+        subgraphUrl: 'https://api.thegraph.com/subgraphs/name/koyo-finance/exchange-subgraph-aurora',
+      }),
+    });
+  }
+}

src/apps/koyo/index.ts

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+export { KOYO_DEFINITION, KoyoAppDefinition } from './koyo.definition';
+export { KoyoAppModule } from './koyo.module';
+export { KoyoContractFactory } from './contracts';

src/apps/koyo/koyo.definition.ts

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+import { Register } from '~app-toolkit/decorators';
+import { appDefinition, AppDefinition } from '~app/app.definition';
+import { AppAction, AppTag, GroupType } from '~app/app.interface';
+import { Network } from '~types/network.interface';
+
+export const KOYO_DEFINITION = appDefinition({
+  id: 'koyo',
+  name: 'Kōyō Finance',
+  description:
+    'Kōyō is a AMM protocol based on Balancer aimed at providing stable pools alongside variable rate, multi token pools.',
+  url: 'https://koyo.finance',
+  groups: {
+    pool: { id: 'pool', type: GroupType.TOKEN, label: 'Pools' },
+  },
+  tags: [AppTag.DECENTRALIZED_EXCHANGE],
+  keywords: [],
+
+  links: {
+    github: 'https://github.com/koyo-finance/',
+    twitter: 'https://twitter.com/koyofinance/',
+    discord: 'https://docs.koyo.finance/discord/',
+  },
+
+  supportedNetworks: {
+    [Network.AURORA_MAINNET]: [AppAction.VIEW],
+    [Network.MOONRIVER_MAINNET]: [AppAction.VIEW],
+  },
+
+  primaryColor: '#fff',
+});
+
+@Register.AppDefinition(KOYO_DEFINITION.id)
+export class KoyoAppDefinition extends AppDefinition {
+  constructor() {
+    super(KOYO_DEFINITION);
+  }
+}
+
+export default KOYO_DEFINITION;

src/apps/koyo/koyo.module.ts

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+import { Register } from '~app-toolkit/decorators';
+import { AbstractApp } from '~app/app.dynamic-module';
+import { BalancerV2ContractFactory } from '~apps/balancer-v2/contracts/index';
+import { BalancerV2PoolTokensHelper } from '~apps/balancer-v2/helpers/balancer-v2.pool.token-helper';
+import { BalancerV2TheGraphPoolTokenDataStrategy } from '~apps/balancer-v2/helpers/balancer-v2.the-graph.pool-token-address-strategy';
+
+import { AuroraKoyoBalanceFetcher } from './aurora/koyo.balance-fetcher';
+import { AuroraKoyoPoolTokenFetcher } from './aurora/koyo.pool.token-fetcher';
+import { KoyoAppDefinition, KOYO_DEFINITION } from './koyo.definition';
+import { MoonriverKoyoBalanceFetcher } from './moonriver/koyo.balance-fetcher';
+import { MoonriverKoyoPoolTokenFetcher } from './moonriver/koyo.pool.token-fetcher';
+
+@Register.AppModule({
+  appId: KOYO_DEFINITION.id,
+  providers: [
+    BalancerV2ContractFactory,
+    BalancerV2TheGraphPoolTokenDataStrategy,
+    BalancerV2PoolTokensHelper,
+    AuroraKoyoPoolTokenFetcher,
+    AuroraKoyoBalanceFetcher,
+    MoonriverKoyoPoolTokenFetcher,
+    MoonriverKoyoBalanceFetcher,
+    KoyoAppDefinition,
+  ],
+})
+export class KoyoAppModule extends AbstractApp() {}

src/apps/koyo/moonriver/koyo.balance-fetcher.ts

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+import { Inject } from '@nestjs/common';
+
+import { TokenBalanceHelper } from '~app-toolkit';
+import { Register } from '~app-toolkit/decorators';
+import { presentBalanceFetcherResponse } from '~app-toolkit/helpers/presentation/balance-fetcher-response.present';
+import { BalanceFetcher } from '~balance/balance-fetcher.interface';
+import { Network } from '~types/network.interface';
+
+import { KOYO_DEFINITION } from '../koyo.definition';
+
+const appId = KOYO_DEFINITION.id;
+const network = Network.MOONRIVER_MAINNET;
+
+@Register.BalanceFetcher(appId, network)
+export class MoonriverKoyoBalanceFetcher implements BalanceFetcher {
+  constructor(@Inject(TokenBalanceHelper) private readonly tokenBalanceHelper: TokenBalanceHelper) {}
+
+  async getPoolBalances(address: string) {
+    return this.tokenBalanceHelper.getTokenBalances({
+      address,
+      network,
+      appId,
+      groupId: KOYO_DEFINITION.groups.pool.id,
+    });
+  }
+
+  async getBalances(address: string) {
+    const [poolBalances] = await Promise.all([this.getPoolBalances(address)]);
+
+    return presentBalanceFetcherResponse([
+      {
+        label: 'Pools',
+        assets: poolBalances,
+      },
+    ]);
+  }
+}

src/apps/koyo/moonriver/koyo.pool.token-fetcher.ts

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+import { Inject } from '@nestjs/common';
+
+import { Register } from '~app-toolkit/decorators';
+import { BalancerV2PoolTokensHelper } from '~apps/balancer-v2';
+import { BalancerV2TheGraphPoolTokenDataStrategy } from '~apps/balancer-v2/helpers/balancer-v2.the-graph.pool-token-address-strategy';
+import { PositionFetcher } from '~position/position-fetcher.interface';
+import { AppTokenPosition } from '~position/position.interface';
+import { Network } from '~types/network.interface';
+
+import { KOYO_DEFINITION } from '../koyo.definition';
+
+const appId = KOYO_DEFINITION.id;
+const groupId = KOYO_DEFINITION.groups.pool.id;
+const network = Network.MOONRIVER_MAINNET;
+
+@Register.TokenPositionFetcher({ appId, groupId, network })
+export class MoonriverKoyoPoolTokenFetcher implements PositionFetcher<AppTokenPosition> {
+  constructor(
+    @Inject(BalancerV2PoolTokensHelper) private readonly poolTokensHelper: BalancerV2PoolTokensHelper,
+    @Inject(BalancerV2TheGraphPoolTokenDataStrategy)
+    private readonly theGraphPoolTokenDataStrategy: BalancerV2TheGraphPoolTokenDataStrategy,
+  ) {}
+
+  getPositions() {
+    return this.poolTokensHelper.getTokenMarketData({
+      network,
+      appId,
+      groupId,
+      vaultAddress: '0xea1e627c12df4e054d61fd408ff7186353ac6ca1',
+      resolvePoolTokenAddresses: this.theGraphPoolTokenDataStrategy.build({
+        subgraphUrl: 'https://api.thegraph.com/subgraphs/name/koyo-finance/exchange-subgraph-moonriver',
+      }),
+    });
+  }
+}