feat(ant): add ANT read interface

docker-compose.yaml

@@ -9,7 +9,7 @@ services:
     environment:
       - LOG_LEVEL=debug
       - PREFETCH_CONTRACTS=true
-      - PREFETCH_CONTRACT_IDS=_NctcA2sRy1-J4OmIQZbYFPM17piNcbdBPH2ncX2RL8
+      - PREFETCH_CONTRACT_IDS=['_NctcA2sRy1-J4OmIQZbYFPM17piNcbdBPH2ncX2RL8', 'UC2zwawQoTnh0TNd9mYLQS4wObBBeaOU5LPQTNETqA4']
       - BOOTSTRAP_CONTRACTS=false
     healthcheck:
       test: ['CMD', 'curl', '-f', 'http://localhost:3000/healthcheck']

src/common.ts

@@ -15,6 +15,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 import {
+  ANTRecord,
+  ANTState,
   ArIOState,
   ArNSNameData,
   EpochDistributionData,
@@ -27,6 +29,27 @@ export type BlockHeight = number;
 export type SortKey = string;
 export type WalletAddress = string;
 
+// TODO: append this with other configuration options (e.g. local vs. remote evaluation)
+export type ContractConfiguration =
+  | {
+      contract?: SmartWeaveContract<unknown>;
+    }
+  | {
+      contractTxId: string;
+    };
+
+export function isContractConfiguration<T>(
+  config: ContractConfiguration,
+): config is { contract: SmartWeaveContract<T> } {
+  return 'contract' in config;
+}
+
+export function isContractTxIdConfiguration(
+  config: ContractConfiguration,
+): config is { contractTxId: string } {
+  return 'contractTxId' in config;
+}
+
 export type EvaluationOptions = {
   evalTo?: { sortKey: SortKey } | { blockHeight: BlockHeight };
   // TODO: any other evaluation constraints
@@ -102,6 +125,28 @@ export interface ArIOContract {
   }: EvaluationParameters): Promise<EpochDistributionData>;
 }
 
+export interface ANTContract {
+  getState({ evaluationOptions }: EvaluationParameters): Promise<ANTState>;
+  getRecord({
+    domain,
+    evaluationOptions,
+  }: EvaluationParameters<{ domain: string }>): Promise<ANTRecord>;
+  getRecords({
+    evaluationOptions,
+  }: EvaluationParameters): Promise<Record<string, ANTRecord>>;
+  getOwner({ evaluationOptions }: EvaluationParameters): Promise<string>;
+  getControllers({ evaluationOptions }: EvaluationParameters): Promise<any[]>;
+  getTicker({ evaluationOptions }: EvaluationParameters): Promise<any>;
+  getName({ evaluationOptions }: EvaluationParameters): Promise<any>;
+  getBalance({
+    address,
+    evaluationOptions,
+  }: EvaluationParameters<{ address: string }>): Promise<number>;
+  getBalances({
+    evaluationOptions,
+  }: EvaluationParameters): Promise<Record<string, number>>;
+}
+
 /* eslint-disable @typescript-eslint/no-explicit-any */
 export interface Logger {
   setLogLevel: (level: string) => void;

src/common/ant.ts

@@ -0,0 +1,120 @@
+/**
+ * Copyright (C) 2022-2024 Permanent Data Solutions, Inc. All Rights Reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+import {
+  ANTContract,
+  ANTRecord,
+  ANTState,
+  ContractConfiguration,
+  EvaluationOptions,
+  EvaluationParameters,
+  SmartWeaveContract,
+  isContractConfiguration,
+  isContractTxIdConfiguration,
+} from '../types.js';
+import { RemoteContract } from './contracts/remote-contract.js';
+
+export class ANT implements ANTContract {
+  private contract: SmartWeaveContract<ANTState>;
+
+  constructor(config: ContractConfiguration) {
+    if (isContractConfiguration<ANTState>(config)) {
+      this.contract = config.contract;
+    } else if (isContractTxIdConfiguration(config)) {
+      this.contract = new RemoteContract<ANTState>({
+        contractTxId: config.contractTxId,
+      });
+    }
+  }
+
+  /**
+   * Returns the current state of the contract.
+   */
+  async getState(params: EvaluationParameters): Promise<ANTState> {
+    const state = await this.contract.getContractState(params);
+    return state;
+  }
+
+  async getRecord({
+    domain,
+    evaluationOptions,
+  }: EvaluationParameters<{ domain: string }>): Promise<ANTRecord> {
+    const records = await this.getRecords({ evaluationOptions });
+
+    return records[domain];
+  }
+  async getRecords({
+    evaluationOptions,
+  }: {
+    evaluationOptions?: EvaluationOptions | Record<string, never> | undefined;
+  }): Promise<Record<string, ANTRecord>> {
+    const state = await this.contract.getContractState({ evaluationOptions });
+    return state.records;
+  }
+
+  async getOwner({
+    evaluationOptions,
+  }: {
+    evaluationOptions?: EvaluationOptions | Record<string, never> | undefined;
+  }): Promise<string> {
+    const state = await this.contract.getContractState({ evaluationOptions });
+    return state.owner;
+  }
+
+  async getControllers({
+    evaluationOptions,
+  }: {
+    evaluationOptions?: EvaluationOptions | Record<string, never> | undefined;
+  }): Promise<any[]> {
+    const state = await this.contract.getContractState({ evaluationOptions });
+    return state.controllers;
+  }
+
+  async getName({
+    evaluationOptions,
+  }: {
+    evaluationOptions?: EvaluationOptions | Record<string, never> | undefined;
+  }): Promise<any> {
+    const state = await this.contract.getContractState({ evaluationOptions });
+    return state.name;
+  }
+
+  async getTicker({
+    evaluationOptions,
+  }: {
+    evaluationOptions?: EvaluationOptions | Record<string, never> | undefined;
+  }): Promise<string> {
+    const state = await this.contract.getContractState({ evaluationOptions });
+    return state.ticker;
+  }
+
+  async getBalances({
+    evaluationOptions,
+  }: {
+    evaluationOptions?: EvaluationOptions | Record<string, never> | undefined;
+  }): Promise<Record<string, number>> {
+    const state = await this.contract.getContractState({ evaluationOptions });
+    return state.balances;
+  }
+
+  async getBalance({
+    address,
+    evaluationOptions,
+  }: EvaluationParameters<{ address: string }>): Promise<number> {
+    const balances = await this.getBalances({ evaluationOptions });
+    return balances[address];
+  }
+}

src/common/ar-io.ts

@@ -19,36 +19,18 @@ import {
   ArIOContract,
   ArIOState,
   ArNSNameData,
+  ContractConfiguration,
   EpochDistributionData,
   EvaluationParameters,
   Gateway,
   Observations,
   SmartWeaveContract,
   WeightedObserver,
+  isContractConfiguration,
+  isContractTxIdConfiguration,
 } from '../types.js';
 import { RemoteContract } from './contracts/remote-contract.js';
 
-// TODO: append this with other configuration options (e.g. local vs. remote evaluation)
-export type ContractConfiguration =
-  | {
-      contract?: SmartWeaveContract<unknown>;
-    }
-  | {
-      contractTxId: string;
-    };
-
-function isContractConfiguration<T>(
-  config: ContractConfiguration,
-): config is { contract: SmartWeaveContract<T> } {
-  return 'contract' in config;
-}
-
-function isContractTxIdConfiguration(
-  config: ContractConfiguration,
-): config is { contractTxId: string } {
-  return 'contractTxId' in config;
-}
-
 export class ArIO implements ArIOContract {
   private contract: SmartWeaveContract<ArIOState>;
 

src/contract-state.ts

@@ -181,3 +181,19 @@ export interface ArIOState {
   vaults: RegistryVaults;
   prescribedObservers: PrescribedObservers;
 }
+
+// ANT
+
+export type ANTRecord = {
+  transactionId: string;
+  ttlSeconds: number;
+};
+
+export type ANTState = {
+  owner: WalletAddress;
+  controllers: WalletAddress[];
+  name: string;
+  ticker: string;
+  records: Record<string, ANTRecord>;
+  balances: Balances;
+};

tests/ant.test.ts

@@ -0,0 +1,97 @@
+import { ANT } from '../src/common/ant';
+import { RemoteContract } from '../src/common/contracts/remote-contract';
+import { ANTState } from '../src/contract-state';
+
+describe('ANT contract apis', () => {
+  const ant = new ANT({
+    contract: new RemoteContract<ANTState>({
+      url: process.env.REMOTE_CACHE_URL || 'http://localhost:3000',
+      contractTxId: 'UC2zwawQoTnh0TNd9mYLQS4wObBBeaOU5LPQTNETqA4',
+    }),
+  });
+
+  const sortKey =
+    '000001383961,0000000000000,13987aba2d71b6229989690c15d2838a4deef0a90c3fc9e4d7227ed17e35d0bd';
+  const blockHeight = 1383961;
+
+  it.each([[{ sortKey }], [{ blockHeight }]])(
+    `should get contract state with evaluation options: ${JSON.stringify('%s')}`,
+    async (evalTo) => {
+      const state = await ant.getState({ evaluationOptions: { evalTo } });
+      expect(state).toBeDefined();
+    },
+  );
+
+  it.each([[{ sortKey }], [{ blockHeight }]])(
+    `should get record: ${JSON.stringify('%s')}`,
+    async (evalTo) => {
+      const record = await ant.getRecord({
+        domain: '@',
+        evaluationOptions: { evalTo },
+      });
+      expect(record).toBeDefined();
+    },
+  );
+
+  it.each([[{ sortKey }], [{ blockHeight }]])(
+    `should get records with evaluation options: ${JSON.stringify('%s')}`,
+    async (evalTo) => {
+      const records = await ant.getRecords({ evaluationOptions: { evalTo } });
+      console.dir({ records: records['@'] }, { depth: 4 });
+      expect(records).toBeDefined();
+    },
+  );
+
+  it.each([[{ sortKey }], [{ blockHeight }]])(
+    `should get owner with evaluation options: ${JSON.stringify('%s')}`,
+    async (evalTo) => {
+      const owner = await ant.getOwner({ evaluationOptions: { evalTo } });
+      expect(owner).toBeDefined();
+    },
+  );
+
+  it.each([[{ sortKey }], [{ blockHeight }]])(
+    `should get controllers with evaluation options: ${JSON.stringify('%s')}`,
+    async (evalTo) => {
+      const controllers = await ant.getControllers({
+        evaluationOptions: { evalTo },
+      });
+      expect(controllers).toBeDefined();
+    },
+  );
+
+  it.each([[{ sortKey }], [{ blockHeight }]])(
+    `should get name with evaluation options: ${JSON.stringify('%s')}`,
+    async (evalTo) => {
+      const state = await ant.getName({ evaluationOptions: { evalTo } });
+      expect(state).toBeDefined();
+    },
+  );
+
+  it.each([[{ sortKey }], [{ blockHeight }]])(
+    `should get ticker with evaluation options: ${JSON.stringify('%s')}`,
+    async (evalTo) => {
+      const state = await ant.getTicker({ evaluationOptions: { evalTo } });
+      expect(state).toBeDefined();
+    },
+  );
+
+  it.each([[{ sortKey }], [{ blockHeight }]])(
+    `should get balances with evaluation options: ${JSON.stringify('%s')}`,
+    async (evalTo) => {
+      const state = await ant.getBalances({ evaluationOptions: { evalTo } });
+      expect(state).toBeDefined();
+    },
+  );
+
+  it.each([[{ sortKey }], [{ blockHeight }]])(
+    `should get balance with evaluation options: ${JSON.stringify('%s')}`,
+    async (evalTo) => {
+      const state = await ant.getBalance({
+        address: 'TRVCopHzzO1VSwRUUS8umkiO2MpAL53XtVGlLaJuI94',
+        evaluationOptions: { evalTo },
+      });
+      expect(state).toBeDefined();
+    },
+  );
+});