Merge pull request #845 from paraswap/feat/BACK-1776

BACK-1776: Update to support node v20 & typescript v5

.github/workflows/ci.yaml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: ['16.x']
+        node: ['20.x']
     name: Node ${{ matrix.node }} sample
     steps:
       - uses: actions/checkout@v2

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@paraswap/dex-lib",
-  "version": "3.11.11",
+  "version": "4.0.0",
   "main": "build/index.js",
   "types": "build/index.d.ts",
   "repository": "https://github.com/paraswap/paraswap-dex-lib",
@@ -17,11 +17,11 @@
     "@types/express": "^4.17.14",
     "@types/jest": "26.0.24",
     "@types/lodash": "4.14.178",
-    "@types/node": "^17.0.21",
+    "@types/node": "^20",
     "@types/uuid": "^9.0.1",
     "@types/websocket": "^1.0.10",
-    "@typescript-eslint/eslint-plugin": "^5.47.0",
-    "@typescript-eslint/parser": "^5.47.0",
+    "@typescript-eslint/eslint-plugin": "^8.17.0",
+    "@typescript-eslint/parser": "^8.17.0",
     "change-case": "^4.1.2",
     "dotenv": "16.0.0",
     "eslint": "^8.30.0",
@@ -33,9 +33,9 @@
     "jest": "^29.0.3",
     "prettier": "^2.8.1",
     "pretty-quick": "^3.1.3",
-    "ts-jest": "^29.0.3",
-    "ts-node": "^10.6.0",
-    "typescript": "4.6.4",
+    "ts-jest": "^29.2.5",
+    "ts-node": "^10.9.2",
+    "typescript": "^5.7.2",
     "yargs": "^17.0.1"
   },
   "scripts": {

src/dex/algebra/lib/AlgebraMath.ts

@@ -48,14 +48,14 @@ interface PriceMovementCache {
 }
 
 const isPoolV1_9 = (
-  poolState: PoolStateV1_1 | PoolState_v1_9,
-): poolState is PoolState_v1_9 =>
+  poolState: DeepReadonly<PoolStateV1_1> | DeepReadonly<PoolState_v1_9>,
+): poolState is DeepReadonly<PoolState_v1_9> =>
   'feeZto' in poolState.globalState && 'feeOtz' in poolState.globalState;
 
 // % START OF COPY PASTA FROM UNISWAPV3 %
 function _priceComputationCycles(
   networkId: number,
-  poolState: DeepReadonly<PoolStateV1_1 | PoolState_v1_9>,
+  poolState: DeepReadonly<PoolStateV1_1> | DeepReadonly<PoolState_v1_9>,
   ticksCopy: Record<NumberAsString, TickInfo>,
   state: PriceComputationState,
   cache: PriceComputationCache,

src/dex/angle-transmuter/angle-transmuter-pool.ts

@@ -47,7 +47,7 @@ export class AngleTransmuterEventPool extends ComposedEventSubscriber<PoolState>
   public transmuter: Contract;
   public readonly angleTransmuterIface;
   readonly config: PoolConfig;
-  timer: NodeJS.Timer;
+  timer: NodeJS.Timeout;
 
   constructor(
     readonly parentName: string,

src/dex/balancer-v2/balancer-v2.ts

@@ -662,7 +662,7 @@ export class BalancerV2
   // In memory pool state for non-event pools
   nonEventPoolStateCache: PoolStateCache;
 
-  eventDisabledPoolsTimer?: NodeJS.Timer;
+  eventDisabledPoolsTimer?: NodeJS.Timeout;
   eventDisabledPools: Address[] = [];
 
   constructor(

src/dex/synthetix/synthetix.ts

@@ -45,7 +45,7 @@ export class Synthetix extends SimpleExchange implements IDex<SynthetixData> {
   synthetixState: SynthetixState;
 
   // It is intermediate measure before we have event base Oracles
-  statePollingTimer?: NodeJS.Timer;
+  statePollingTimer?: NodeJS.Timeout;
 
   public static dexKeysWithNetwork: { key: string; networks: Network[] }[] =
     getDexKeysWithNetwork(SynthetixConfig);

tsconfig.json

@@ -1,7 +1,7 @@
 {
   "compilerOptions": {
     "allowSyntheticDefaultImports": true,
-    "lib": ["es2019"],
+    "lib": ["ESNext"],
     "module": "commonjs",
     "noImplicitAny": true,
     "outDir": "build",
@@ -12,7 +12,7 @@
     "sourceMap": true,
     "declaration": true,
     "skipLibCheck": true,
-    "target": "es2020",
+    "target": "ESNext",
     "resolveJsonModule": true,
     "allowJs": true,
     "typeRoots": ["node_modules/@types"],