fix: Ponder: fix mintNextHourProjected divisor, dead param, dead code (#308)

kraiken-lib/package-lock.json

@@ -226,6 +226,7 @@
       "integrity": "sha512-5FcvN1JHw2sHJChotgx8Ek0lyuh4kCKelgMTTqhYJJtloNvUfpAFMeNQUtdlIaktwrSV9LtCdqwk48wL2wBacQ==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@ampproject/remapping": "^2.2.0",
         "@babel/code-frame": "^7.24.2",
@@ -2742,6 +2743,7 @@
       "integrity": "sha512-F1CBxgqwOMc4GKJ7eY22hWhBVQuMYTtqI8L0FcszYcpYX0fzfDGpez22Xau8Mgm7O9fI+zA/TYIdq3tGWfweBA==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "undici-types": "~7.13.0"
       }
@@ -2802,6 +2804,7 @@
       "integrity": "sha512-TGf22kon8KW+DeKaUmOibKWktRY8b2NSAZNdtWh798COm1NWx8+xJ6iFBtk3IvLdv6+LGLJLRlyhrhEDZWargQ==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.45.0",
         "@typescript-eslint/types": "8.45.0",
@@ -3413,6 +3416,7 @@
       "integrity": "sha512-NZyJarBfL7nWwIq+FDL6Zp/yHEhePMNnnJ0y3qfieCrmNvYct8uvtiV41UvlSe6apAfk0fY1FbWx+NwfmpvtTg==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -3737,6 +3741,7 @@
         }
       ],
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "caniuse-lite": "^1.0.30001587",
         "electron-to-chromium": "^1.4.668",
@@ -4525,6 +4530,7 @@
       "integrity": "sha512-hB4FIzXovouYzwzECDcUkJ4OcfOEkXTv2zRY6B9bkwjx/cprAq0uvm1nl7zvQ0/TsUk0zQiN4uPfJpB9m+rPMQ==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.8.0",
         "@eslint-community/regexpp": "^4.12.1",
@@ -5222,6 +5228,7 @@
       "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.8.1.tgz",
       "integrity": "sha512-59LZHPdGZVh695Ud9lRzPBVTtlX9ZCV150Er2W43ro37wVof0ctenSaskPPjN7lVTIN8mSZt8PHUNKZuNQUuxw==",
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": "^12.22.0 || ^14.16.0 || ^16.0.0 || >=17.0.0"
       }
@@ -5304,8 +5311,9 @@
       "version": "5.16.0",
       "resolved": "https://registry.npmjs.org/graphql-ws/-/graphql-ws-5.16.0.tgz",
       "integrity": "sha512-Ju2RCU2dQMgSKtArPbEtsK5gNLnsQyTNIo/T7cZNp96niC1x0KdJNZV0TIoilceBPQwfb5itrGl8pkFeOUMl4A==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=10"
       },
@@ -7212,6 +7220,7 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -8146,8 +8155,9 @@
       "version": "5.4.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.3.tgz",
       "integrity": "sha512-KrPd3PKaCLr78MalgiwJnA25Nm8HAmdwN3mYUYZgG/wizIo9EainNVQI9/yDavtVFRN2h3k8uf3GLHuhDMgEHg==",
-      "dev": true,
+      "devOptional": true,
       "license": "Apache-2.0",
+      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -8354,6 +8364,7 @@
       "integrity": "sha512-w+N7Hifpc3gRjZ63vYBXA56dvvRlNWRczTdmCBBa+CotUzAPf5b7YMdMR/8CQoeYE5LX3W4wj6RYTgonm1b9DA==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "esbuild": "^0.27.0",
         "fdir": "^6.5.0",
@@ -8452,6 +8463,7 @@
       "integrity": "sha512-LUCP5ev3GURDysTWiP47wRRUpLKMOfPh+yKTx3kVIEiu5KOMeqzpnYNsKyOoVrULivR8tLcks4+lga33Whn90A==",
       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@types/chai": "^5.2.2",
         "@vitest/expect": "3.2.4",
@@ -8667,6 +8679,7 @@
       "resolved": "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz",
       "integrity": "sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==",
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=10.0.0"
       },

kraiken-lib/src/subgraph.ts

@@ -1,10 +1,4 @@
 export function bytesToUint256LittleEndian(bytes: Uint8Array): bigint {
-  // console.log(hexString);
-  // const cleanHexString = hexString.startsWith('0x') ? hexString.substring(2) : hexString;
-  //    const bytes = new Uint8Array(Math.ceil(cleanHexString.length / 2));
-  //    for (let i = 0, j = 0; i < cleanHexString.length; i += 2, j++) {
-  //        bytes[j] = parseInt(cleanHexString.slice(i, i + 2), 16);
-  //    }
   let value: bigint = 0n;
 
   for (let i = bytes.length - 1; i >= 0; i--) {
@@ -20,12 +14,4 @@ export function uint256ToBytesLittleEndian(value: bigint): Uint8Array {
     bytes[i] = Number((value >> (8n * BigInt(i))) & 0xffn);
   }
   return bytes;
-  // let hexString = '0x';
-
-  // for (let i = 0; i < bytes.length; i++) {
-  // 	// Convert each byte to a hexadecimal string and pad with zero if needed
-  // 	hexString += bytes[i].toString(16).padStart(2, '0');
-  // }
-
-  // return hexString;
 }

services/ponder/package-lock.json

@@ -45,17 +45,17 @@
         "@graphql-codegen/typescript": "^4.0.6",
         "@graphql-codegen/typescript-operations": "^4.2.0",
         "@graphql-typed-document-node/core": "^3.2.0",
-        "@types/jest": "^29.5.12",
         "@types/node": "^24.6.0",
         "@typescript-eslint/eslint-plugin": "^8.45.0",
         "@typescript-eslint/parser": "^8.45.0",
+        "@vitest/coverage-v8": "^3.0.0",
         "eslint": "^9.36.0",
         "husky": "^9.1.7",
-        "jest": "^29.7.0",
         "lint-staged": "^16.2.3",
+        "picomatch": "^4.0.3",
         "prettier": "^3.6.2",
-        "ts-jest": "^29.1.2",
+        "typescript": "^5.4.3",
-        "typescript": "^5.4.3"
+        "vitest": "^3.0.0"
       }
     },
     "node_modules/@adraffy/ens-normalize": {

services/ponder/src/helpers/stats.ts

@@ -92,11 +92,11 @@ function computeProjections(ringBuffer: bigint[], pointer: number, timestamp: bi
 
   const project = (current: bigint, previous: bigint, weekly: bigint) => {
     if (elapsedSeconds === 0n) {
-      return weekly / 7n;
+      return weekly / 168n;
     }
     const projectedTotal = (current * BigInt(SECONDS_IN_HOUR)) / elapsedSeconds;
     const medium = (previous + projectedTotal) / 2n;
-    return medium > 0n ? medium : weekly / 7n;
+    return medium > 0n ? medium : weekly / 168n;
   };
 
   const mintProjection = project(ringBuffer[currentBase + 1], ringBuffer[previousBase + 1], metrics.mintedWeek);
@@ -259,8 +259,8 @@ export async function updateHourlyData(context: StatsContext, timestamp: bigint)
       ethReserveLastWeek: metrics.ethReserveLatest > 0n ? metrics.ethReserveLatest - metrics.ethReserve7dAgo : 0n,
       netSupplyChangeDay: metrics.mintedDay - metrics.burnedDay,
       netSupplyChangeWeek: metrics.mintedWeek - metrics.burnedWeek,
-      mintNextHourProjected: metrics.mintedWeek / 7n,
+      mintNextHourProjected: metrics.mintedWeek / 168n,
-      burnNextHourProjected: metrics.burnedWeek / 7n,
+      burnNextHourProjected: metrics.burnedWeek / 168n,
     });
   } else {
     const metrics = computeMetrics(ringBuffer, pointer);
@@ -325,7 +325,7 @@ export async function refreshOutstandingStake(context: StatsContext) {
  * Record ETH reserve snapshot in ring buffer slot 0.
  * Called from lm.ts on Recentered events (where we know the pool's ETH balance).
  */
-export async function recordEthReserveSnapshot(context: StatsContext, timestamp: bigint, ethBalance: bigint) {
+export async function recordEthReserveSnapshot(context: StatsContext, ethBalance: bigint) {
   const statsData = await context.db.find(stats, { id: STATS_ID });
   if (!statsData) return;
 

services/ponder/src/lm.ts

@@ -189,7 +189,7 @@ async function updateReserveStats(
   vwapTick: number | bigint
 ) {
   // Record ETH reserve in ring buffer for hourly time-series
-  await recordEthReserveSnapshot(context, event.block.timestamp, ethBalance);
+  await recordEthReserveSnapshot(context, ethBalance);
 
   // Compute 7d growth from ring buffer (slot 0 = ethReserve snapshots)
   const statsData = await context.db.find(stats, { id: STATS_ID });

services/ponder/tests/stats.test.ts

@@ -291,14 +291,14 @@ describe('updateHourlyData', () => {
     // Filled slots: i=2..49 from pointer=7 (48 slots × 10n minted / 5n burned).
     // mintedLastDay: i<24 → i=2..23 = 22 slots × 10n = 220n
     // mintedLastWeek: 48 × 10n = 480n
-    // mintNextHourProjected = mintedWeek / 7n = 480n / 7n = 68n (BigInt truncation)
+    // mintNextHourProjected = mintedWeek / 168n = 480n / 168n = 2n (BigInt truncation)
-    // burnNextHourProjected = burnedWeek / 7n = 240n / 7n = 34n
+    // burnNextHourProjected = burnedWeek / 168n = 240n / 168n = 1n
     expect(setArg.mintedLastWeek).toBe(480n);
     expect(setArg.mintedLastDay).toBe(220n);
     expect(setArg.burnedLastWeek).toBe(240n);
     expect(setArg.burnedLastDay).toBe(110n);
-    expect(setArg.mintNextHourProjected).toBe(68n);
+    expect(setArg.mintNextHourProjected).toBe(2n);
-    expect(setArg.burnNextHourProjected).toBe(34n);
+    expect(setArg.burnNextHourProjected).toBe(1n);
     expect(setArg.netSupplyChangeDay).toBe(110n);
     expect(setArg.netSupplyChangeWeek).toBe(240n);
   });
@@ -399,7 +399,7 @@ describe('updateHourlyData', () => {
 describe('recordEthReserveSnapshot', () => {
   it('returns early when no stats row exists', async () => {
     const ctx = createMockContext(null);
-    await recordEthReserveSnapshot(ctx, 1000n, 500n);
+    await recordEthReserveSnapshot(ctx, 500n);
     expect((ctx as unknown as { db: { update: ReturnType<typeof vi.fn> } }).db.update).not.toHaveBeenCalled();
   });
 
@@ -409,7 +409,7 @@ describe('recordEthReserveSnapshot', () => {
     const ctx = createMockContext(row);
     const ethBalance = 12345678n;
 
-    await recordEthReserveSnapshot(ctx, 1000n, ethBalance);
+    await recordEthReserveSnapshot(ctx, ethBalance);
 
     const dbMock = ctx as unknown as { db: { update: ReturnType<typeof vi.fn> } };
     const setArg = (dbMock.db.update as ReturnType<typeof vi.fn>).mock.results[0].value.set.mock.calls[0][0];