PaimaStudios · SebastienGllmt · Nov 4, 2023 · Nov 4, 2023
diff --git a/eslint.config.js b/eslint.config.js
@@ -15,6 +15,7 @@ const compat = new FlatCompat({
 module.exports = [
   ...compat.extends(
     'airbnb-typescript',
+    'plugin:require-extensions/recommended',
     'plugin:@typescript-eslint/recommended',
     'plugin:@typescript-eslint/recommended-requiring-type-checking',
     'plugin:import/typescript',

diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -36,6 +36,7 @@
     "eslint-plugin-promise": "^6.1.1",
     "eslint-plugin-react": "^7.33.2",
     "eslint-plugin-react-hooks": "^4.6.0",
+    "eslint-plugin-require-extensions": "^0.1.3",
     "husky": "^8.0.3",
     "jest": "^29.4.1",
     "json5": "^2.2.3",
@@ -53,7 +54,5 @@
   },
   "workspaces": [
     "./packages/*/*"
-  ],
-  "dependencies": {
-  }
+  ]
 }
diff --git a/packages/batcher/runtime/src/index.ts b/packages/batcher/runtime/src/index.ts
@@ -24,7 +24,7 @@ import {
 import type { ErrorCode, ErrorMessageFxn, GameInputValidatorCore } from '@paima/batcher-utils';
 
 import { initializePool } from './pg/pgPool.js';
-import type { BatcherRuntimeInitializer } from './types';
+import type { BatcherRuntimeInitializer } from './types.js';
 
 const MINIMUM_INTER_CATCH_PERIOD = 1000;
 let batchedTransactionPosterReference: BatchedTransactionPoster | null = null;

diff --git a/packages/batcher/utils/src/config.ts b/packages/batcher/utils/src/config.ts
@@ -1,4 +1,4 @@
-import { GameInputValidatorCoreType } from './types';
+import { GameInputValidatorCoreType } from './types.js';
 import { config } from 'dotenv';
 import { ENV as ENGINE_ENV } from '@paima/utils';
 

diff --git a/packages/engine/paima-funnel/src/cde/erc20.ts b/packages/engine/paima-funnel/src/cde/erc20.ts
@@ -4,7 +4,7 @@ import type {
   ChainDataExtensionDatum,
   ChainDataExtensionErc20,
 } from '@paima/runtime';
-import type { Transfer } from '@paima/utils/src/contract-types/ERC20Contract';
+import type { Transfer } from '@paima/utils/src/contract-types/ERC20Contract.js';
 import { DEFAULT_FUNNEL_TIMEOUT } from '@paima/utils';
 
 export default async function getCdeData(

diff --git a/packages/engine/paima-funnel/src/cde/erc20Deposit.ts b/packages/engine/paima-funnel/src/cde/erc20Deposit.ts
@@ -1,6 +1,6 @@
 import { ChainDataExtensionDatumType, timeout } from '@paima/utils';
 import type { ChainDataExtensionDatum, ChainDataExtensionErc20Deposit } from '@paima/runtime';
-import type { Transfer } from '@paima/utils/src/contract-types/ERC20Contract';
+import type { Transfer } from '@paima/utils/src/contract-types/ERC20Contract.js';
 import { DEFAULT_FUNNEL_TIMEOUT } from '@paima/utils';
 
 export default async function getCdeData(

diff --git a/packages/engine/paima-funnel/src/cde/erc6551Registry.ts b/packages/engine/paima-funnel/src/cde/erc6551Registry.ts
@@ -9,7 +9,7 @@ import type {
   ChainDataExtensionDatum,
   ChainDataExtensionErc6551Registry,
 } from '@paima/runtime';
-import type { AccountCreated } from '@paima/utils/src/contract-types/ERC6551RegistryContract';
+import type { AccountCreated } from '@paima/utils/src/contract-types/ERC6551RegistryContract.js';
 
 export default async function getCdeData(
   extension: ChainDataExtensionErc6551Registry,

diff --git a/packages/engine/paima-funnel/src/cde/erc721.ts b/packages/engine/paima-funnel/src/cde/erc721.ts
@@ -5,7 +5,7 @@ import type {
   ChainDataExtensionDatum,
   ChainDataExtensionErc721,
 } from '@paima/runtime';
-import type { Transfer } from '@paima/utils/src/contract-types/ERC721Contract';
+import type { Transfer } from '@paima/utils/src/contract-types/ERC721Contract.js';
 
 export default async function getCdeData(
   extension: ChainDataExtensionErc721,

diff --git a/packages/engine/paima-funnel/src/cde/paimaErc721.ts b/packages/engine/paima-funnel/src/cde/paimaErc721.ts
@@ -10,7 +10,7 @@ import type {
   ChainDataExtensionDatum,
   ChainDataExtensionPaimaErc721,
 } from '@paima/runtime';
-import type { Minted, Transfer } from '@paima/utils/src/contract-types/PaimaERC721Contract';
+import type { Minted, Transfer } from '@paima/utils/src/contract-types/PaimaERC721Contract.js';
 
 export default async function getCdeData(
   extension: ChainDataExtensionPaimaErc721,

diff --git a/packages/engine/paima-funnel/src/cde/reading.ts b/packages/engine/paima-funnel/src/cde/reading.ts
@@ -3,12 +3,12 @@ import type Web3 from 'web3';
 import { ChainDataExtensionType } from '@paima/utils';
 import type { ChainDataExtensionDatum, ChainDataExtension } from '@paima/runtime';
 
-import getCdeErc20Data from './erc20';
-import getCdeErc721Data from './erc721';
-import getCdePaimaErc721Data from './paimaErc721';
-import getCdeErc20DepositData from './erc20Deposit';
-import getCdeGenericData from './generic';
-import getCdeErc6551RegistryData from './erc6551Registry';
+import getCdeErc20Data from './erc20.js';
+import getCdeErc721Data from './erc721.js';
+import getCdePaimaErc721Data from './paimaErc721.js';
+import getCdeErc20DepositData from './erc20Deposit.js';
+import getCdeGenericData from './generic.js';
+import getCdeErc6551RegistryData from './erc6551Registry.js';
 import assertNever from 'assert-never';
 
 export async function getUngroupedCdeData(

diff --git a/packages/engine/paima-funnel/src/funnels/BaseFunnel.ts b/packages/engine/paima-funnel/src/funnels/BaseFunnel.ts
@@ -1,6 +1,6 @@
 import type { ChainData, ChainDataExtension, ChainFunnel, PresyncChainData } from '@paima/runtime';
 import type { PaimaL2Contract, Web3 } from '@paima/utils';
-import type { FunnelCacheManager } from './FunnelCache';
+import type { FunnelCacheManager } from './FunnelCache.js';
 import type { PoolClient } from 'pg';
 
 export type FunnelSharedData = {

diff --git a/packages/engine/paima-funnel/src/funnels/block/funnel.ts b/packages/engine/paima-funnel/src/funnels/block/funnel.ts
@@ -1,11 +1,11 @@
 import { ENV, doLog, timeout } from '@paima/utils';
 import type { ChainData, ChainFunnel, PresyncChainData } from '@paima/runtime';
-import { getBaseChainDataMulti, getBaseChainDataSingle } from '../../reading';
-import { getUngroupedCdeData } from '../../cde/reading';
-import { composeChainData, groupCdeData } from '../../utils';
-import { BaseFunnel } from '../BaseFunnel';
-import type { FunnelSharedData } from '../BaseFunnel';
-import { RpcCacheEntry, RpcRequestState } from '../FunnelCache';
+import { getBaseChainDataMulti, getBaseChainDataSingle } from '../../reading.js';
+import { getUngroupedCdeData } from '../../cde/reading.js';
+import { composeChainData, groupCdeData } from '../../utils.js';
+import { BaseFunnel } from '../BaseFunnel.js';
+import type { FunnelSharedData } from '../BaseFunnel.js';
+import { RpcCacheEntry, RpcRequestState } from '../FunnelCache.js';
 import type { PoolClient } from 'pg';
 
 const GET_BLOCK_NUMBER_TIMEOUT = 5000;

diff --git a/packages/engine/paima-funnel/src/funnels/emulated/funnel.ts b/packages/engine/paima-funnel/src/funnels/emulated/funnel.ts
@@ -12,11 +12,11 @@ import {
 import type { IGetBlockHeightsResult } from '@paima/db';
 import { hashTogether } from '@paima/utils-backend';
 
-import { calculateBoundaryTimestamp, emulateCde, timestampToBlockNumber } from './utils';
-import { BaseFunnel } from '../BaseFunnel';
-import type { FunnelSharedData } from '../BaseFunnel';
+import { calculateBoundaryTimestamp, emulateCde, timestampToBlockNumber } from './utils.js';
+import { BaseFunnel } from '../BaseFunnel.js';
+import type { FunnelSharedData } from '../BaseFunnel.js';
 
-import { QueuedBlockCacheEntry, RpcCacheEntry, RpcRequestState } from '../FunnelCache';
+import { QueuedBlockCacheEntry, RpcCacheEntry, RpcRequestState } from '../FunnelCache.js';
 
 /**
  * For hash calculation of empty blocks to work,

diff --git a/packages/engine/paima-funnel/src/funnels/emulated/utils.ts b/packages/engine/paima-funnel/src/funnels/emulated/utils.ts
@@ -1,9 +1,9 @@
 import type { PoolClient } from 'pg';
 
 import type { ChainDataExtensionDatum, ChainFunnel } from '@paima/runtime';
-import { EmulatedBlocksFunnel } from './funnel';
+import { EmulatedBlocksFunnel } from './funnel.js';
 import { DEFAULT_FUNNEL_TIMEOUT, doLog, logError, timeout } from '@paima/utils';
-import type { FunnelSharedData } from '../BaseFunnel';
+import type { FunnelSharedData } from '../BaseFunnel.js';
 
 export async function wrapToEmulatedBlocksFunnel(
   chainFunnel: ChainFunnel,

diff --git a/packages/engine/paima-funnel/src/paima-l2-processing.ts b/packages/engine/paima-funnel/src/paima-l2-processing.ts
@@ -3,7 +3,7 @@ import web3UtilsPkg from 'web3-utils';
 
 import { AddressType, doLog, getReadNamespaces } from '@paima/utils';
 import type { SubmittedData } from '@paima/runtime';
-import type { PaimaGameInteraction } from '@paima/utils/src/contract-types/PaimaL2Contract';
+import type { PaimaGameInteraction } from '@paima/utils/src/contract-types/PaimaL2Contract.js';
 import { CryptoManager } from '@paima/crypto';
 import {
   INNER_BATCH_DIVIDER,

diff --git a/packages/engine/paima-funnel/src/reading.ts b/packages/engine/paima-funnel/src/reading.ts
@@ -4,7 +4,7 @@ import type { BlockTransactionString } from 'web3-eth';
 import { timeout, cutAfterFirstRejected, DEFAULT_FUNNEL_TIMEOUT, doLog, delay } from '@paima/utils';
 import type { PaimaL2Contract } from '@paima/utils';
 import { TimeoutError, type ChainData } from '@paima/runtime';
-import type { PaimaGameInteraction } from '@paima/utils/src/contract-types/PaimaL2Contract';
+import type { PaimaGameInteraction } from '@paima/utils/src/contract-types/PaimaL2Contract.js';
 
 import { extractSubmittedData } from './paima-l2-processing.js';
 

diff --git a/packages/engine/paima-runtime/src/cde-config/loading.ts b/packages/engine/paima-runtime/src/cde-config/loading.ts
@@ -24,7 +24,7 @@ import type {
   ChainDataExtensionGeneric,
   TChainDataExtensionErc721Config,
   TChainDataExtensionGenericConfig,
-} from '../types';
+} from '../types.js';
 import {
   CdeBaseConfig,
   CdeEntryTypeName,
@@ -33,9 +33,9 @@ import {
   ChainDataExtensionErc6551RegistryConfig,
   ChainDataExtensionErc721Config,
   ChainDataExtensionGenericConfig,
-} from '../types';
-import type { CdeConfig } from '../types';
-import { loadAbi } from './utils';
+} from '../types.js';
+import type { CdeConfig } from '../types.js';
+import { loadAbi } from './utils.js';
 import assertNever from 'assert-never';
 import fnv from 'fnv-plus';
 import stableStringify from 'json-stable-stringify';

diff --git a/packages/engine/paima-runtime/src/cde-config/utils.ts b/packages/engine/paima-runtime/src/cde-config/utils.ts
@@ -2,7 +2,7 @@ import * as fs from 'fs/promises';
 
 import { doLog } from '@paima/utils';
 
-import type { ChainDataExtension } from '../types';
+import type { ChainDataExtension } from '../types.js';
 
 export function getEarliestStartBlockheight(config: ChainDataExtension[]): number {
   const startBlockheights = config.map(cde => cde.startBlockHeight).filter(sbh => !!sbh);

diff --git a/packages/engine/paima-runtime/src/cde-config/validation.ts b/packages/engine/paima-runtime/src/cde-config/validation.ts
@@ -3,7 +3,7 @@ import type { PoolClient, Pool } from 'pg';
 import { doLog } from '@paima/utils';
 import { tx, getChainDataExtensions, registerChainDataExtension } from '@paima/db';
 
-import type { ChainDataExtension } from '../types';
+import type { ChainDataExtension } from '../types.js';
 
 /**
  * Check that the configuration used when syncing the game node still matches their current value

diff --git a/packages/engine/paima-runtime/src/index.ts b/packages/engine/paima-runtime/src/index.ts
@@ -7,19 +7,19 @@ import {
   emulatedSelectLatestPrior,
   getGameInput,
 } from '@paima/db';
-import { validatePersistentCdeConfig } from './cde-config/validation';
-import type { GameStateMachine, IFunnelFactory, PaimaRuntimeInitializer } from './types';
+import { validatePersistentCdeConfig } from './cde-config/validation.js';
+import type { GameStateMachine, IFunnelFactory, PaimaRuntimeInitializer } from './types.js';
 
-import { run, setRunFlag, clearRunFlag } from './run-flag';
+import { run, setRunFlag, clearRunFlag } from './run-flag.js';
 import { server, startServer } from './server.js';
 import { initSnapshots } from './snapshots.js';
-import { startRuntime } from './runtime-loops';
+import { startRuntime } from './runtime-loops.js';
 
-export * from './cde-config/loading';
-export * from './cde-config/validation';
-export * from './cde-config/utils';
-export * from './types';
-export { TimeoutError } from './utils';
+export * from './cde-config/loading.js';
+export * from './cde-config/validation.js';
+export * from './cde-config/utils.js';
+export * from './types.js';
+export { TimeoutError } from './utils.js';
 
 process.on('SIGINT', () => {
   if (!run) process.exit(0);

diff --git a/packages/engine/paima-runtime/src/runtime-loops.ts b/packages/engine/paima-runtime/src/runtime-loops.ts
@@ -2,24 +2,24 @@ import process from 'process';
 
 import { doLog, logError, delay } from '@paima/utils';
 import { tx, DataMigrations } from '@paima/db';
-import { getEarliestStartBlockheight } from './cde-config/utils';
+import { getEarliestStartBlockheight } from './cde-config/utils.js';
 import type {
   ChainData,
   ChainDataExtension,
   ChainFunnel,
   GameStateMachine,
   IFunnelFactory,
-} from './types';
+} from './types.js';
 
-import { run } from './run-flag';
+import { run } from './run-flag.js';
 import { snapshotIfTime } from './snapshots.js';
 import {
   TimeoutError,
   acquireLatestBlockHeight,
   exitIfStopped,
   loopIfStopBlockReached,
-} from './utils';
-import { cleanNoncesIfTime } from './nonce-gc';
+} from './utils.js';
+import { cleanNoncesIfTime } from './nonce-gc.js';
 import type { PoolClient } from 'pg';
 
 // The core logic of paima runtime which polls the funnel and processes the resulting chain data using the game's state machine.

diff --git a/packages/engine/paima-runtime/src/utils.ts b/packages/engine/paima-runtime/src/utils.ts
@@ -1,7 +1,7 @@
 import { doLog, logError, delay } from '@paima/utils';
-import type { GameStateMachine } from './types';
+import type { GameStateMachine } from './types.js';
 
-import { run } from './run-flag';
+import { run } from './run-flag.js';
 import type { PoolClient } from 'pg';
 
 export async function loopIfStopBlockReached(

diff --git a/packages/engine/paima-sm/src/cde-processing.ts b/packages/engine/paima-sm/src/cde-processing.ts
@@ -3,12 +3,12 @@ import type { PoolClient } from 'pg';
 import { ChainDataExtensionDatumType } from '@paima/utils';
 import type { ChainDataExtensionDatum } from '@paima/runtime';
 
-import processErc20TransferDatum from './cde-erc20-transfer';
-import processErc721TransferDatum from './cde-erc721-transfer';
-import processErc721MintDatum from './cde-erc721-mint';
-import processErc20DepositDatum from './cde-erc20-deposit';
-import processErc6551RegistryDatum from './cde-erc6551-registry';
-import processGenericDatum from './cde-generic';
+import processErc20TransferDatum from './cde-erc20-transfer.js';
+import processErc721TransferDatum from './cde-erc721-transfer.js';
+import processErc721MintDatum from './cde-erc721-mint.js';
+import processErc20DepositDatum from './cde-erc20-deposit.js';
+import processErc6551RegistryDatum from './cde-erc6551-registry.js';
+import processGenericDatum from './cde-generic.js';
 import type { SQLUpdate } from '@paima/db';
 import { getSpecificCdeBlockheight } from '@paima/db';
 import assertNever from 'assert-never';

diff --git a/packages/engine/paima-standalone/src/sm.ts b/packages/engine/paima-standalone/src/sm.ts
@@ -1,7 +1,7 @@
 import type { GameStateMachine } from '@paima/runtime';
 import PaimaSM from '@paima/sm';
-import { importGameStateTransitionRouter } from './utils/import';
-import { poolConfig } from './utils';
+import { importGameStateTransitionRouter } from './utils/import.js';
+import { poolConfig } from './utils/index.js';
 import { ENV } from '@paima/utils';
 
 export const gameSM = (): GameStateMachine => {

diff --git a/packages/engine/paima-standalone/src/utils/file.ts b/packages/engine/paima-standalone/src/utils/file.ts
@@ -1,8 +1,8 @@
 import { doLog } from '@paima/utils';
 import fs from 'fs';
 import path from 'path';
-import { API_FILENAME, ROUTER_FILENAME } from './import';
-import type { Template } from './types';
+import { API_FILENAME, ROUTER_FILENAME } from './import.js';
+import type { Template } from './types.js';
 
 export const PACKAGED_TEMPLATES_PATH = `${__dirname}/templates`;
 const PACKAGED_BATCHER_PATH = `${__dirname}/batcher`;

diff --git a/packages/paima-sdk/paima-build-utils/src/middleware-esbuildconfig.template.mts b/packages/paima-sdk/paima-build-utils/src/middleware-esbuildconfig.template.mts
@@ -1,2 +1,3 @@
+// eslint-disable-next-line require-extensions/require-extensions -- https://github.com/solana-labs/eslint-plugin-require-extensions/issues/11
 import * as buildScript from './middleware-esbuildconfig.template.cjs';
 export default buildScript;
diff --git a/packages/paima-sdk/paima-build-utils/src/standalone-esbuildconfig.template.mts b/packages/paima-sdk/paima-build-utils/src/standalone-esbuildconfig.template.mts
@@ -1,2 +1,3 @@
+// eslint-disable-next-line require-extensions/require-extensions -- https://github.com/solana-labs/eslint-plugin-require-extensions/issues/11
 import * as buildScript from './standalone-esbuildconfig.template.cjs';
 export default buildScript;
diff --git a/packages/paima-sdk/paima-concise/test/paima-parser.array-optional.test.ts b/packages/paima-sdk/paima-concise/test/paima-parser.array-optional.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, test } from '@jest/globals';
-import { PaimaParser, PaimaParserError } from '../src/PaimaParser';
+import { PaimaParser, PaimaParserError } from '../src/PaimaParser.js';
 
 const myGrammar = `
   arrayCommand = a|array?

diff --git a/packages/paima-sdk/paima-concise/test/paima-parser.at-user.test.ts b/packages/paima-sdk/paima-concise/test/paima-parser.at-user.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, test } from '@jest/globals';
-import { PaimaParser, PaimaParserError } from '../src/PaimaParser';
+import { PaimaParser, PaimaParserError } from '../src/PaimaParser.js';
 
 const myGrammar = `
   join = @j|

diff --git a/packages/paima-sdk/paima-concise/test/paima-parser.base64.test.ts b/packages/paima-sdk/paima-concise/test/paima-parser.base64.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, test } from '@jest/globals';
-import { PaimaParser, PaimaParserError } from '../src/PaimaParser';
+import { PaimaParser, PaimaParserError } from '../src/PaimaParser.js';
 
 const myGrammar = `
   join = j|base64

diff --git a/packages/paima-sdk/paima-concise/test/paima-parser.chess.test.ts b/packages/paima-sdk/paima-concise/test/paima-parser.chess.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, test } from '@jest/globals';
-import { PaimaParser } from '../src/PaimaParser';
+import { PaimaParser } from '../src/PaimaParser.js';
 
 const myGrammar = `
 createdLobby = c|numOfRounds|roundLength|playTimePerPlayer|isHidden?|isPractice?|playerOneIsWhite?

diff --git a/packages/paima-sdk/paima-concise/test/paima-parser.optional.test.ts b/packages/paima-sdk/paima-concise/test/paima-parser.optional.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, test } from '@jest/globals';
-import { PaimaParser, PaimaParserError } from '../src/PaimaParser';
+import { PaimaParser, PaimaParserError } from '../src/PaimaParser.js';
 
 const myGrammar = `
   join = j|x|number?|number_?

diff --git a/packages/paima-sdk/paima-concise/test/paima-parser.single.test.ts b/packages/paima-sdk/paima-concise/test/paima-parser.single.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, test } from '@jest/globals';
-import { PaimaParser, PaimaParserError } from '../src/PaimaParser';
+import { PaimaParser, PaimaParserError } from '../src/PaimaParser.js';
 
 const myGrammar = `
   join = j|

diff --git a/packages/paima-sdk/paima-concise/test/paima-parser.test.ts b/packages/paima-sdk/paima-concise/test/paima-parser.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, test } from '@jest/globals';
-import { PaimaParser, PaimaParserError } from '../src/PaimaParser';
+import { PaimaParser, PaimaParserError } from '../src/PaimaParser.js';
 
 const myGrammar = `
 createLobby         = c|numOfRounds|roundLength|isHidden?|isPractice?

diff --git a/packages/paima-sdk/paima-crypto/src/algorand.ts b/packages/paima-sdk/paima-crypto/src/algorand.ts
@@ -1,7 +1,7 @@
 import type { SignedTransaction, Transaction, SuggestedParams } from 'algosdk';
 import { doLog, hexStringToUint8Array } from '@paima/utils';
 import web3UtilsPkg from 'web3-utils';
-import type { IVerify } from './IVerify';
+import type { IVerify } from './IVerify.js';
 
 export class AlgorandCrypto implements IVerify {
   verifyAddress = async (address: string): Promise<boolean> => {

diff --git a/packages/paima-sdk/paima-crypto/src/cardano.ts b/packages/paima-sdk/paima-crypto/src/cardano.ts
@@ -1,5 +1,5 @@
 import { doLog } from '@paima/utils';
-import type { IVerify } from './IVerify';
+import type { IVerify } from './IVerify.js';
 
 export class CardanoCrypto implements IVerify {
   verifyAddress = async (address: string): Promise<boolean> => {