feat(pirex): To template (#2087)

src/apps/pirex/ethereum/pirex.vault.token-fetcher.ts

@@ -1,42 +1,9 @@
-import { Inject } from '@nestjs/common';
-
-import { IAppToolkit, APP_TOOLKIT } from '~app-toolkit/app-toolkit.interface';
-import { Register } from '~app-toolkit/decorators';
-import { PositionFetcher } from '~position/position-fetcher.interface';
-import { AppTokenPosition } from '~position/position.interface';
-import { Network } from '~types/network.interface';
-
-import { PirexContractFactory } from '../contracts';
-import { PirexPxCvx } from '../contracts/ethers';
-import { PIREX_DEFINITION } from '../pirex.definition';
-
-const appId = PIREX_DEFINITION.id;
-const groupId = PIREX_DEFINITION.groups.vault.id;
-const network = Network.ETHEREUM_MAINNET;
-
-@Register.TokenPositionFetcher({ appId, groupId, network })
-export class EthereumPirexVaultTokenFetcher implements PositionFetcher<AppTokenPosition> {
-  constructor(
-    @Inject(APP_TOOLKIT) private readonly appToolkit: IAppToolkit,
-    @Inject(PirexContractFactory) private readonly pirexContractFactory: PirexContractFactory,
-  ) {}
-
-  async getPositions() {
-    return await this.appToolkit.helpers.vaultTokenHelper.getTokens<PirexPxCvx>({
-      appId,
-      groupId,
-      network,
-      resolveContract: ({ address, network }) => this.pirexContractFactory.pirexPxCvx({ address, network }),
-      resolveVaultAddresses: async () => [
-        '0xbce0cf87f513102f22232436cca2ca49e815c3ac', // pxCVX
-      ],
-      resolveUnderlyingTokenAddress: () => '0x4e3fbd56cd56c3e72c1403e103b45db9da5b9d2b',
-      resolvePricePerShare: async () => 1,
-      resolveReserve: async ({ multicall, underlyingToken, address }) =>
-        multicall
-          .wrap(this.pirexContractFactory.erc20(underlyingToken))
-          .balanceOf(address)
-          .then(v => Number(v) / 10 ** underlyingToken.decimals),
-    });
-  }
+import { PositionTemplate } from '~app-toolkit/decorators/position-template.decorator';
+import { WrapperTemplateTokenFetcher } from '~position/template/wrapper.template.token-fetcher';
+
+@PositionTemplate()
+export class EthereumPirexVaultTokenFetcher extends WrapperTemplateTokenFetcher {
+  groupLabel = 'Vaults';
+  vaultAddress = '0xbce0cf87f513102f22232436cca2ca49e815c3ac';
+  underlyingTokenAddress = '0x4e3fbd56cd56c3e72c1403e103b45db9da5b9d2b';
 }