feat(bastion-protocol): To templates (#1733)

src/apps/bastion-protocol/aurora/bastion-protocol.aurora-ecosystem-borrow.contract-position-fetcher.ts

@@ -0,0 +1,81 @@
+import { Inject } from '@nestjs/common';
+
+import { APP_TOOLKIT, IAppToolkit } from '~app-toolkit/app-toolkit.interface';
+import { PositionTemplate } from '~app-toolkit/decorators/position-template.decorator';
+import {
+  CompoundBorrowContractPositionFetcher,
+  CompoundBorrowTokenDataProps,
+  GetMarketsParams,
+} from '~apps/compound/common/compound.borrow.contract-position-fetcher';
+import {
+  GetDataPropsParams,
+  GetTokenBalancesParams,
+  GetTokenDefinitionsParams,
+} from '~position/template/contract-position.template.types';
+
+import { BastionProtocolComptroller, BastionProtocolContractFactory, BastionProtocolCtoken } from '../contracts';
+
+@PositionTemplate()
+export class AuroraBastionProtocolAuroraEcosystemBorrowContractPositionFetcher extends CompoundBorrowContractPositionFetcher<
+  BastionProtocolCtoken,
+  BastionProtocolComptroller
+> {
+  groupLabel = 'Aurora Ecosystem Realm';
+  comptrollerAddress = '0xe1cf09bda2e089c63330f0ffe3f6d6b790835973';
+
+  constructor(
+    @Inject(APP_TOOLKIT) protected readonly appToolkit: IAppToolkit,
+    @Inject(BastionProtocolContractFactory) protected readonly contractFactory: BastionProtocolContractFactory,
+  ) {
+    super(appToolkit);
+  }
+
+  getCompoundCTokenContract(address: string) {
+    return this.contractFactory.bastionProtocolCtoken({ address, network: this.network });
+  }
+
+  getCompoundComptrollerContract(address: string) {
+    return this.contractFactory.bastionProtocolComptroller({ address, network: this.network });
+  }
+
+  async getMarkets({ contract }: GetMarketsParams<BastionProtocolComptroller>) {
+    return contract.getAllMarkets();
+  }
+
+  async getUnderlyingAddress({ contract }: GetTokenDefinitionsParams<BastionProtocolCtoken>) {
+    return contract.underlying();
+  }
+
+  async getExchangeRate({ contract }: GetDataPropsParams<BastionProtocolCtoken, CompoundBorrowTokenDataProps>) {
+    return contract.callStatic.exchangeRateCurrent();
+  }
+
+  async getExchangeRateMantissa(params: GetDataPropsParams<BastionProtocolCtoken, CompoundBorrowTokenDataProps>) {
+    const [underlyingToken] = params.contractPosition.tokens;
+    const auTokenDecimals = await this.getCTokenDecimals(params);
+    return 18 + underlyingToken.decimals - auTokenDecimals;
+  }
+
+  async getBorrowRate({ contract }: GetDataPropsParams<BastionProtocolCtoken, CompoundBorrowTokenDataProps>) {
+    return contract.callStatic.borrowRatePerBlock().catch(() => 0);
+  }
+
+  async getCash({ contract }: GetDataPropsParams<BastionProtocolCtoken, CompoundBorrowTokenDataProps>) {
+    return contract.getCash();
+  }
+
+  async getCTokenSupply({ contract }: GetDataPropsParams<BastionProtocolCtoken, CompoundBorrowTokenDataProps>) {
+    return contract.totalSupply();
+  }
+
+  async getCTokenDecimals({ contract }: GetDataPropsParams<BastionProtocolCtoken, CompoundBorrowTokenDataProps>) {
+    return contract.decimals();
+  }
+
+  async getBorrowBalance({
+    address,
+    contract,
+  }: GetTokenBalancesParams<BastionProtocolCtoken, CompoundBorrowTokenDataProps>) {
+    return contract.callStatic.borrowBalanceCurrent(address);
+  }
+}

src/apps/bastion-protocol/aurora/bastion-protocol.aurora-ecosystem-supply.token-fetcher.ts

@@ -0,0 +1,52 @@
+import { Inject } from '@nestjs/common';
+
+import { APP_TOOLKIT, IAppToolkit } from '~app-toolkit/app-toolkit.interface';
+import { PositionTemplate } from '~app-toolkit/decorators/position-template.decorator';
+import { CompoundSupplyTokenFetcher, GetMarketsParams } from '~apps/compound/common/compound.supply.token-fetcher';
+import {
+  GetUnderlyingTokensParams,
+  GetPricePerShareParams,
+  GetDataPropsParams,
+} from '~position/template/app-token.template.types';
+
+import { BastionProtocolComptroller, BastionProtocolContractFactory, BastionProtocolCtoken } from '../contracts';
+
+@PositionTemplate()
+export class AuroraBastionProtocolAuroraEcosystemSupplyTokenFetcher extends CompoundSupplyTokenFetcher<
+  BastionProtocolCtoken,
+  BastionProtocolComptroller
+> {
+  groupLabel = 'Aurora Ecosystem Realm';
+  comptrollerAddress = '0xe1cf09bda2e089c63330f0ffe3f6d6b790835973';
+
+  constructor(
+    @Inject(APP_TOOLKIT) protected readonly appToolkit: IAppToolkit,
+    @Inject(BastionProtocolContractFactory) protected readonly contractFactory: BastionProtocolContractFactory,
+  ) {
+    super(appToolkit);
+  }
+
+  getCompoundCTokenContract(address: string): BastionProtocolCtoken {
+    return this.contractFactory.bastionProtocolCtoken({ address, network: this.network });
+  }
+
+  getCompoundComptrollerContract(address: string) {
+    return this.contractFactory.bastionProtocolComptroller({ address, network: this.network });
+  }
+
+  async getMarkets({ contract }: GetMarketsParams<BastionProtocolComptroller>) {
+    return contract.getAllMarkets();
+  }
+
+  async getUnderlyingAddress({ contract }: GetUnderlyingTokensParams<BastionProtocolCtoken>) {
+    return contract.underlying();
+  }
+
+  async getExchangeRate({ contract }: GetPricePerShareParams<BastionProtocolCtoken>) {
+    return contract.callStatic.exchangeRateCurrent();
+  }
+
+  async getSupplyRate({ contract }: GetDataPropsParams<BastionProtocolCtoken>) {
+    return contract.supplyRatePerBlock();
+  }
+}