feat: metrics package refactor

packages/metrics/package.json

@@ -11,8 +11,14 @@
         "lint": "eslint \"{src,test}/**/*.{js,ts,json}\"",
         "lint:fix": "pnpm lint --fix",
         "format": "prettier --check \"{src,test}/**/*.{js,ts,json}\"",
-        "format:fix": "prettier --write \"{src,test}/**/*.{js,ts,json}\""
+        "format:fix": "prettier --write \"{src,test}/**/*.{js,ts,json}\"",
+        "test": "vitest run --config vitest.config.ts --passWithNoTests",
+        "test:cov": "vitest run --config vitest.config.ts --coverage"
     },
-    "dependencies": {},
-    "devDependencies": {}
+    "dependencies": {
+        "@zkchainhub/shared": "workspace:*",
+        "@zkchainhub/pricing": "workspace:*",
+        "@zkchainhub/providers": "workspace:*",
+        "viem": "2.19.6"
+    }
 }

packages/metrics/src/exceptions/index.ts

@@ -0,0 +1,3 @@
+export * from "./invalidChainId.exception.js";
+export * from "./l1MetricsService.exception.js";
+export * from "./invalidChainType.exception.js";

packages/metrics/src/exceptions/invalidChainId.exception.ts

@@ -0,0 +1,6 @@
+export class InvalidChainId extends Error {
+    constructor(message: string) {
+        super(message);
+        this.name = "InvalidChainId";
+    }
+}

packages/metrics/src/exceptions/invalidChainType.exception.ts

@@ -0,0 +1,11 @@
+import { Chains } from "@zkchainhub/shared";
+
+export class InvalidChainType extends Error {
+    constructor(index: number) {
+        super(`Current supported types are [${Chains.join(
+            ", ",
+        )}], but received index ${index}. Verify if supported chains are consistent with https://github.com/matter-labs/era-contracts/blob/8a70bbbc48125f5bde6189b4e3c6a3ee79631678/l1-contracts/contracts/state-transition/chain-deps/ZkSyncHyperchainStorage.sol#L39
+`);
+        this.name = "InvalidChainType";
+    }
+}

packages/metrics/src/exceptions/l1MetricsService.exception.ts

@@ -0,0 +1,6 @@
+export class L1MetricsServiceException extends Error {
+    constructor(message: string) {
+        super(message);
+        this.name = "L1MetricsServiceException";
+    }
+}

packages/metrics/src/external.ts

@@ -0,0 +1,5 @@
+export type { FeeParams, GasInfo, AssetTvl } from "./internal.js";
+
+export { InvalidChainId, InvalidChainType, L1MetricsServiceException } from "./internal.js";
+
+export { L1MetricsService } from "./internal.js";

packages/metrics/src/index.ts

@@ -0,0 +1 @@
+export * from "./external.js";

packages/metrics/src/internal.ts

@@ -0,0 +1,4 @@
+export * from "./types/index.js";
+export * from "./exceptions/index.js";
+export * from "./l1/abis/index.js";
+export * from "./l1/index.js";