Merge branch '256-ethereum-health-check' into 'dev'

Add ethereum health params

Closes #256

See merge request ergo/rosen-bridge/watcher!303

.changeset/nervous-ants-pay.md

@@ -0,0 +1,5 @@
+---
+'@rosen-bridge/watcher': minor
+---
+
+Add ethereum health check parameters

config/default.yaml

@@ -114,6 +114,9 @@ healthCheck:
   bitcoinScanner:
     warnDifference: 2 # warning difference between existing and scanned blocks height
     criticalDifference: 10 # critical difference between existing and scanned blocks height
+  ethereumScanner:
+    warnDifference: 40 # warning difference between existing and scanned blocks height
+    criticalDifference: 160 # critical difference between existing and scanned blocks height
   permit:
     warnCommitmentCount: 4 # warning remaining permits for creating commitment
     criticalCommitmentCount: 0 # critical remaining permits for creating commitment

src/config/config.ts

@@ -516,6 +516,8 @@ class HealthCheckConfig {
   cardanoScannerCriticalDiff: number;
   bitcoinScannerWarnDiff: number;
   bitcoinScannerCriticalDiff: number;
+  ethereumScannerWarnDiff: number;
+  ethereumScannerCriticalDiff: number;
   ergoNodeMaxHeightDiff: number;
   ergoNodeMaxBlockTime: number;
   ergoNodeMinPeerCount: number;
@@ -564,6 +566,12 @@ class HealthCheckConfig {
     this.bitcoinScannerCriticalDiff = getRequiredNumber(
       'healthCheck.bitcoinScanner.criticalDifference'
     );
+    this.ethereumScannerWarnDiff = getRequiredNumber(
+      'healthCheck.ethereumScanner.warnDifference'
+    );
+    this.ethereumScannerCriticalDiff = getRequiredNumber(
+      'healthCheck.ethereumScanner.criticalDifference'
+    );
     this.permitWarnCommitmentCount = getRequiredNumber(
       'healthCheck.permit.warnCommitmentCount'
     );

src/utils/healthCheck.ts

@@ -18,6 +18,7 @@ import {
   ErgoNodeScannerHealthCheck,
   BitcoinEsploraScannerHealthCheck,
   BitcoinRPCScannerHealthCheck,
+  EthereumRPCScannerHealthCheck,
 } from '@rosen-bridge/scanner-sync-check';
 import {
   ExplorerWidHealthCheckParam,
@@ -35,6 +36,7 @@ import {
   ERGO_DECIMALS,
   ERGO_NATIVE_ASSET,
   ESPLORA_TYPE,
+  ETHEREUM_CHAIN_NAME,
   EXPLORER_TYPE,
   KOIOS_TYPE,
   NODE_TYPE,
@@ -108,6 +110,9 @@ class HealthCheckSingleton {
     if (getConfig().general.networkWatcher === BITCOIN_CHAIN_NAME) {
       this.registerBitcoinHealthCheckParams();
     }
+    if (getConfig().general.networkWatcher === ETHEREUM_CHAIN_NAME) {
+      this.registerEthereumHealthCheckParams();
+    }
   }
 
   private observingNetworkLastBlock = (scanner: string) => {
@@ -250,6 +255,22 @@ class HealthCheckSingleton {
       this.healthCheck.register(bitcoinScannerSyncCheck);
   };
 
+  /**
+   * Registers all ethereum check params
+   */
+  registerEthereumHealthCheckParams = () => {
+    const ethereumRpcScannerSyncCheck = new EthereumRPCScannerHealthCheck(
+      this.observingNetworkLastBlock(scanner.observationScanner.name()),
+      scanner.observationScanner.name(),
+      getConfig().healthCheck.ethereumScannerWarnDiff,
+      getConfig().healthCheck.ethereumScannerCriticalDiff,
+      getConfig().ethereum.rpc!.url,
+      getConfig().ethereum.rpc!.authToken,
+      getConfig().ethereum.rpc!.timeout
+    );
+    this.healthCheck.register(ethereumRpcScannerSyncCheck);
+  };
+
   /**
    * Registers permit check if watcher wid exists
    */