Upgrade watcher-ts packages to configure failover RPC endpoints (#44)

* Upgrade watcher-ts dependencies

* Update config and add an indexer method to switch clients

* Update indexer and database methods

* Update package version

* Update event parsing in watcher indexer

packages/azimuth-watcher/environments/local.toml

@@ -50,7 +50,9 @@
 [upstream]
   [upstream.ethServer]
     gqlApiEndpoint = "http://127.0.0.1:8082/graphql"
-    rpcProviderEndpoint = "http://127.0.0.1:8081"
+    rpcProviderEndpoints = [
+      "http://127.0.0.1:8081"
+    ]
 
     # Boolean flag to specify if rpc-eth-client should be used for RPC endpoint instead of ipld-eth-client (ipld-eth-server GQL client)
     rpcClient = true
@@ -87,3 +89,6 @@
   # Max block range of historical processing after which it waits for completion of events processing
   # If set to -1 historical processing does not wait for events processing and completes till latest canonical block
   historicalMaxFetchAhead = 10000
+
+  # Max number of retries to fetch new block after which watcher will failover to other RPC endpoints
+  maxNewBlockRetries = 3

packages/azimuth-watcher/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@cerc-io/azimuth-watcher",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "azimuth-watcher",
   "private": true,
   "main": "dist/index.js",
@@ -38,10 +38,10 @@
   "homepage": "https://github.com/cerc-io/watcher-ts#readme",
   "dependencies": {
     "@apollo/client": "^3.3.19",
-    "@cerc-io/cli": "^0.2.79",
-    "@cerc-io/ipld-eth-client": "^0.2.79",
-    "@cerc-io/solidity-mapper": "^0.2.79",
-    "@cerc-io/util": "^0.2.79",
+    "@cerc-io/cli": "^0.2.88",
+    "@cerc-io/ipld-eth-client": "^0.2.88",
+    "@cerc-io/solidity-mapper": "^0.2.88",
+    "@cerc-io/util": "^0.2.88",
     "@ethersproject/providers": "^5.4.4",
     "debug": "^4.3.1",
     "decimal.js": "^10.3.1",

packages/azimuth-watcher/src/database.ts

@@ -983,8 +983,8 @@ export class Database implements DatabaseInterface {
     await this._baseDatabase.deleteEntitiesByConditions(queryRunner, entity, findConditions);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseDatabase.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseDatabase.getAncestorAtHeight(blockHash, height);
   }
 
   _getPropertyColumnMapForEntity (entityName: string): Map<string, string> {

packages/azimuth-watcher/src/indexer.ts

@@ -117,6 +117,12 @@ export class Indexer implements IndexerInterface {
     await this._baseIndexer.fetchStateStatus();
   }
 
+  switchClients ({ ethClient, ethProvider }: { ethClient: EthClient, ethProvider: BaseProvider }): void {
+    this._ethClient = ethClient;
+    this._ethProvider = ethProvider;
+    this._baseIndexer.switchClients({ ethClient, ethProvider });
+  }
+
   getResultEvent (event: Event): ResultEvent {
     return getResultEvent(event);
   }
@@ -1596,20 +1602,34 @@ export class Indexer implements IndexerInterface {
     console.timeEnd('time:indexer#processBlock-init_state');
   }
 
-  parseEventNameAndArgs (kind: string, logObj: any): any {
+  parseEventNameAndArgs (kind: string, logObj: any): { eventParsed: boolean, eventDetails: any } {
     const { topics, data } = logObj;
 
     const contract = this._contractMap.get(kind);
     assert(contract);
 
-    const logDescription = contract.parseLog({ data, topics });
+    let logDescription: ethers.utils.LogDescription;
+    try {
+      logDescription = contract.parseLog({ data, topics });
+    } catch (err) {
+      // Return if no matching event found
+      if ((err as Error).message.includes('no matching event')) {
+        log(`WARNING: Skipping event for contract ${kind} as no matching event found in the ABI`);
+        return { eventParsed: false, eventDetails: {} };
+      }
+
+      throw err;
+    }
 
     const { eventName, eventInfo, eventSignature } = this._baseIndexer.parseEvent(logDescription);
 
     return {
-      eventName,
-      eventInfo,
-      eventSignature
+      eventParsed: true,
+      eventDetails: {
+        eventName,
+        eventInfo,
+        eventSignature
+      }
     };
   }
 
@@ -1804,8 +1824,8 @@ export class Indexer implements IndexerInterface {
     return this._baseIndexer.updateBlockProgress(block, lastProcessedEventIndex);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseIndexer.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseIndexer.getAncestorAtHeight(blockHash, height);
   }
 
   async resetWatcherToBlock (blockNumber: number): Promise<void> {
@@ -1857,4 +1877,8 @@ export class Indexer implements IndexerInterface {
       await dbTx.release();
     }
   }
+
+  async getFullTransactions (txHashList: string[]): Promise<EthFullTransaction[]> {
+    return this._baseIndexer.getFullTransactions(txHashList);
+  }
 }

packages/censures-watcher/environments/local.toml

@@ -50,7 +50,9 @@
 [upstream]
   [upstream.ethServer]
     gqlApiEndpoint = "http://127.0.0.1:8082/graphql"
-    rpcProviderEndpoint = "http://127.0.0.1:8081"
+    rpcProviderEndpoints = [
+      "http://127.0.0.1:8081"
+    ]
 
     # Boolean flag to specify if rpc-eth-client should be used for RPC endpoint instead of ipld-eth-client (ipld-eth-server GQL client)
     rpcClient = true
@@ -87,3 +89,6 @@
   # Max block range of historical processing after which it waits for completion of events processing
   # If set to -1 historical processing does not wait for events processing and completes till latest canonical block
   historicalMaxFetchAhead = 10000
+
+  # Max number of retries to fetch new block after which watcher will failover to other RPC endpoints
+  maxNewBlockRetries = 3

packages/censures-watcher/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@cerc-io/censures-watcher",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "censures-watcher",
   "private": true,
   "main": "dist/index.js",
@@ -38,10 +38,10 @@
   "homepage": "https://github.com/cerc-io/watcher-ts#readme",
   "dependencies": {
     "@apollo/client": "^3.3.19",
-    "@cerc-io/cli": "^0.2.79",
-    "@cerc-io/ipld-eth-client": "^0.2.79",
-    "@cerc-io/solidity-mapper": "^0.2.79",
-    "@cerc-io/util": "^0.2.79",
+    "@cerc-io/cli": "^0.2.88",
+    "@cerc-io/ipld-eth-client": "^0.2.88",
+    "@cerc-io/solidity-mapper": "^0.2.88",
+    "@cerc-io/util": "^0.2.88",
     "@ethersproject/providers": "^5.4.4",
     "debug": "^4.3.1",
     "decimal.js": "^10.3.1",

packages/censures-watcher/src/database.ts

@@ -330,8 +330,8 @@ export class Database implements DatabaseInterface {
     await this._baseDatabase.deleteEntitiesByConditions(queryRunner, entity, findConditions);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseDatabase.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseDatabase.getAncestorAtHeight(blockHash, height);
   }
 
   _getPropertyColumnMapForEntity (entityName: string): Map<string, string> {

packages/censures-watcher/src/indexer.ts

@@ -117,6 +117,12 @@ export class Indexer implements IndexerInterface {
     await this._baseIndexer.fetchStateStatus();
   }
 
+  switchClients ({ ethClient, ethProvider }: { ethClient: EthClient, ethProvider: BaseProvider }): void {
+    this._ethClient = ethClient;
+    this._ethProvider = ethProvider;
+    this._baseIndexer.switchClients({ ethClient, ethProvider });
+  }
+
   getResultEvent (event: Event): ResultEvent {
     return getResultEvent(event);
   }
@@ -374,20 +380,34 @@ export class Indexer implements IndexerInterface {
     console.timeEnd('time:indexer#processBlock-init_state');
   }
 
-  parseEventNameAndArgs (kind: string, logObj: any): any {
+  parseEventNameAndArgs (kind: string, logObj: any): { eventParsed: boolean, eventDetails: any } {
     const { topics, data } = logObj;
 
     const contract = this._contractMap.get(kind);
     assert(contract);
 
-    const logDescription = contract.parseLog({ data, topics });
+    let logDescription: ethers.utils.LogDescription;
+    try {
+      logDescription = contract.parseLog({ data, topics });
+    } catch (err) {
+      // Return if no matching event found
+      if ((err as Error).message.includes('no matching event')) {
+        log(`WARNING: Skipping event for contract ${kind} as no matching event found in the ABI`);
+        return { eventParsed: false, eventDetails: {} };
+      }
+
+      throw err;
+    }
 
     const { eventName, eventInfo, eventSignature } = this._baseIndexer.parseEvent(logDescription);
 
     return {
-      eventName,
-      eventInfo,
-      eventSignature
+      eventParsed: true,
+      eventDetails: {
+        eventName,
+        eventInfo,
+        eventSignature
+      }
     };
   }
 
@@ -582,8 +602,8 @@ export class Indexer implements IndexerInterface {
     return this._baseIndexer.updateBlockProgress(block, lastProcessedEventIndex);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseIndexer.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseIndexer.getAncestorAtHeight(blockHash, height);
   }
 
   async resetWatcherToBlock (blockNumber: number): Promise<void> {
@@ -635,4 +655,8 @@ export class Indexer implements IndexerInterface {
       await dbTx.release();
     }
   }
+
+  async getFullTransactions (txHashList: string[]): Promise<EthFullTransaction[]> {
+    return this._baseIndexer.getFullTransactions(txHashList);
+  }
 }

packages/claims-watcher/environments/local.toml

@@ -50,7 +50,9 @@
 [upstream]
   [upstream.ethServer]
     gqlApiEndpoint = "http://127.0.0.1:8082/graphql"
-    rpcProviderEndpoint = "http://127.0.0.1:8081"
+    rpcProviderEndpoints = [
+      "http://127.0.0.1:8081"
+    ]
 
     # Boolean flag to specify if rpc-eth-client should be used for RPC endpoint instead of ipld-eth-client (ipld-eth-server GQL client)
     rpcClient = true
@@ -87,3 +89,6 @@
   # Max block range of historical processing after which it waits for completion of events processing
   # If set to -1 historical processing does not wait for events processing and completes till latest canonical block
   historicalMaxFetchAhead = 10000
+
+  # Max number of retries to fetch new block after which watcher will failover to other RPC endpoints
+  maxNewBlockRetries = 3

packages/claims-watcher/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@cerc-io/claims-watcher",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "claims-watcher",
   "private": true,
   "main": "dist/index.js",
@@ -38,10 +38,10 @@
   "homepage": "https://github.com/cerc-io/watcher-ts#readme",
   "dependencies": {
     "@apollo/client": "^3.3.19",
-    "@cerc-io/cli": "^0.2.79",
-    "@cerc-io/ipld-eth-client": "^0.2.79",
-    "@cerc-io/solidity-mapper": "^0.2.79",
-    "@cerc-io/util": "^0.2.79",
+    "@cerc-io/cli": "^0.2.88",
+    "@cerc-io/ipld-eth-client": "^0.2.88",
+    "@cerc-io/solidity-mapper": "^0.2.88",
+    "@cerc-io/util": "^0.2.88",
     "@ethersproject/providers": "^5.4.4",
     "debug": "^4.3.1",
     "decimal.js": "^10.3.1",

packages/claims-watcher/src/database.ts

@@ -284,8 +284,8 @@ export class Database implements DatabaseInterface {
     await this._baseDatabase.deleteEntitiesByConditions(queryRunner, entity, findConditions);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseDatabase.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseDatabase.getAncestorAtHeight(blockHash, height);
   }
 
   _getPropertyColumnMapForEntity (entityName: string): Map<string, string> {

packages/claims-watcher/src/indexer.ts

@@ -117,6 +117,12 @@ export class Indexer implements IndexerInterface {
     await this._baseIndexer.fetchStateStatus();
   }
 
+  switchClients ({ ethClient, ethProvider }: { ethClient: EthClient, ethProvider: BaseProvider }): void {
+    this._ethClient = ethClient;
+    this._ethProvider = ethProvider;
+    this._baseIndexer.switchClients({ ethClient, ethProvider });
+  }
+
   getResultEvent (event: Event): ResultEvent {
     return getResultEvent(event);
   }
@@ -282,20 +288,34 @@ export class Indexer implements IndexerInterface {
     console.timeEnd('time:indexer#processBlock-init_state');
   }
 
-  parseEventNameAndArgs (kind: string, logObj: any): any {
+  parseEventNameAndArgs (kind: string, logObj: any): { eventParsed: boolean, eventDetails: any } {
     const { topics, data } = logObj;
 
     const contract = this._contractMap.get(kind);
     assert(contract);
 
-    const logDescription = contract.parseLog({ data, topics });
+    let logDescription: ethers.utils.LogDescription;
+    try {
+      logDescription = contract.parseLog({ data, topics });
+    } catch (err) {
+      // Return if no matching event found
+      if ((err as Error).message.includes('no matching event')) {
+        log(`WARNING: Skipping event for contract ${kind} as no matching event found in the ABI`);
+        return { eventParsed: false, eventDetails: {} };
+      }
+
+      throw err;
+    }
 
     const { eventName, eventInfo, eventSignature } = this._baseIndexer.parseEvent(logDescription);
 
     return {
-      eventName,
-      eventInfo,
-      eventSignature
+      eventParsed: true,
+      eventDetails: {
+        eventName,
+        eventInfo,
+        eventSignature
+      }
     };
   }
 
@@ -490,8 +510,8 @@ export class Indexer implements IndexerInterface {
     return this._baseIndexer.updateBlockProgress(block, lastProcessedEventIndex);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseIndexer.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseIndexer.getAncestorAtHeight(blockHash, height);
   }
 
   async resetWatcherToBlock (blockNumber: number): Promise<void> {
@@ -543,4 +563,8 @@ export class Indexer implements IndexerInterface {
       await dbTx.release();
     }
   }
+
+  async getFullTransactions (txHashList: string[]): Promise<EthFullTransaction[]> {
+    return this._baseIndexer.getFullTransactions(txHashList);
+  }
 }

packages/conditional-star-release-watcher/environments/local.toml

@@ -50,7 +50,9 @@
 [upstream]
   [upstream.ethServer]
     gqlApiEndpoint = "http://127.0.0.1:8082/graphql"
-    rpcProviderEndpoint = "http://127.0.0.1:8081"
+    rpcProviderEndpoints = [
+      "http://127.0.0.1:8081"
+    ]
 
     # Boolean flag to specify if rpc-eth-client should be used for RPC endpoint instead of ipld-eth-client (ipld-eth-server GQL client)
     rpcClient = true
@@ -87,3 +89,6 @@
   # Max block range of historical processing after which it waits for completion of events processing
   # If set to -1 historical processing does not wait for events processing and completes till latest canonical block
   historicalMaxFetchAhead = 10000
+
+  # Max number of retries to fetch new block after which watcher will failover to other RPC endpoints
+  maxNewBlockRetries = 3

packages/conditional-star-release-watcher/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@cerc-io/conditional-star-release-watcher",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "conditional-star-release-watcher",
   "private": true,
   "main": "dist/index.js",
@@ -38,10 +38,10 @@
   "homepage": "https://github.com/cerc-io/watcher-ts#readme",
   "dependencies": {
     "@apollo/client": "^3.3.19",
-    "@cerc-io/cli": "^0.2.79",
-    "@cerc-io/ipld-eth-client": "^0.2.79",
-    "@cerc-io/solidity-mapper": "^0.2.79",
-    "@cerc-io/util": "^0.2.79",
+    "@cerc-io/cli": "^0.2.88",
+    "@cerc-io/ipld-eth-client": "^0.2.88",
+    "@cerc-io/solidity-mapper": "^0.2.88",
+    "@cerc-io/util": "^0.2.88",
     "@ethersproject/providers": "^5.4.4",
     "debug": "^4.3.1",
     "decimal.js": "^10.3.1",

packages/conditional-star-release-watcher/src/database.ts

@@ -429,8 +429,8 @@ export class Database implements DatabaseInterface {
     await this._baseDatabase.deleteEntitiesByConditions(queryRunner, entity, findConditions);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseDatabase.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseDatabase.getAncestorAtHeight(blockHash, height);
   }
 
   _getPropertyColumnMapForEntity (entityName: string): Map<string, string> {

packages/conditional-star-release-watcher/src/indexer.ts

@@ -117,6 +117,12 @@ export class Indexer implements IndexerInterface {
     await this._baseIndexer.fetchStateStatus();
   }
 
+  switchClients ({ ethClient, ethProvider }: { ethClient: EthClient, ethProvider: BaseProvider }): void {
+    this._ethClient = ethClient;
+    this._ethProvider = ethProvider;
+    this._baseIndexer.switchClients({ ethClient, ethProvider });
+  }
+
   getResultEvent (event: Event): ResultEvent {
     return getResultEvent(event);
   }
@@ -563,20 +569,34 @@ export class Indexer implements IndexerInterface {
     console.timeEnd('time:indexer#processBlock-init_state');
   }
 
-  parseEventNameAndArgs (kind: string, logObj: any): any {
+  parseEventNameAndArgs (kind: string, logObj: any): { eventParsed: boolean, eventDetails: any } {
     const { topics, data } = logObj;
 
     const contract = this._contractMap.get(kind);
     assert(contract);
 
-    const logDescription = contract.parseLog({ data, topics });
+    let logDescription: ethers.utils.LogDescription;
+    try {
+      logDescription = contract.parseLog({ data, topics });
+    } catch (err) {
+      // Return if no matching event found
+      if ((err as Error).message.includes('no matching event')) {
+        log(`WARNING: Skipping event for contract ${kind} as no matching event found in the ABI`);
+        return { eventParsed: false, eventDetails: {} };
+      }
+
+      throw err;
+    }
 
     const { eventName, eventInfo, eventSignature } = this._baseIndexer.parseEvent(logDescription);
 
     return {
-      eventName,
-      eventInfo,
-      eventSignature
+      eventParsed: true,
+      eventDetails: {
+        eventName,
+        eventInfo,
+        eventSignature
+      }
     };
   }
 
@@ -771,8 +791,8 @@ export class Indexer implements IndexerInterface {
     return this._baseIndexer.updateBlockProgress(block, lastProcessedEventIndex);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseIndexer.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseIndexer.getAncestorAtHeight(blockHash, height);
   }
 
   async resetWatcherToBlock (blockNumber: number): Promise<void> {
@@ -824,4 +844,8 @@ export class Indexer implements IndexerInterface {
       await dbTx.release();
     }
   }
+
+  async getFullTransactions (txHashList: string[]): Promise<EthFullTransaction[]> {
+    return this._baseIndexer.getFullTransactions(txHashList);
+  }
 }

packages/delegated-sending-watcher/environments/local.toml

@@ -50,7 +50,9 @@
 [upstream]
   [upstream.ethServer]
     gqlApiEndpoint = "http://127.0.0.1:8082/graphql"
-    rpcProviderEndpoint = "http://127.0.0.1:8081"
+    rpcProviderEndpoints = [
+      "http://127.0.0.1:8081"
+    ]
 
     # Boolean flag to specify if rpc-eth-client should be used for RPC endpoint instead of ipld-eth-client (ipld-eth-server GQL client)
     rpcClient = true
@@ -87,3 +89,6 @@
   # Max block range of historical processing after which it waits for completion of events processing
   # If set to -1 historical processing does not wait for events processing and completes till latest canonical block
   historicalMaxFetchAhead = 10000
+
+  # Max number of retries to fetch new block after which watcher will failover to other RPC endpoints
+  maxNewBlockRetries = 3

packages/delegated-sending-watcher/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@cerc-io/delegated-sending-watcher",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "delegated-sending-watcher",
   "private": true,
   "main": "dist/index.js",
@@ -38,10 +38,10 @@
   "homepage": "https://github.com/cerc-io/watcher-ts#readme",
   "dependencies": {
     "@apollo/client": "^3.3.19",
-    "@cerc-io/cli": "^0.2.79",
-    "@cerc-io/ipld-eth-client": "^0.2.79",
-    "@cerc-io/solidity-mapper": "^0.2.79",
-    "@cerc-io/util": "^0.2.79",
+    "@cerc-io/cli": "^0.2.88",
+    "@cerc-io/ipld-eth-client": "^0.2.88",
+    "@cerc-io/solidity-mapper": "^0.2.88",
+    "@cerc-io/util": "^0.2.88",
     "@ethersproject/providers": "^5.4.4",
     "debug": "^4.3.1",
     "decimal.js": "^10.3.1",

packages/delegated-sending-watcher/src/database.ts

@@ -299,8 +299,8 @@ export class Database implements DatabaseInterface {
     await this._baseDatabase.deleteEntitiesByConditions(queryRunner, entity, findConditions);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseDatabase.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseDatabase.getAncestorAtHeight(blockHash, height);
   }
 
   _getPropertyColumnMapForEntity (entityName: string): Map<string, string> {

packages/delegated-sending-watcher/src/indexer.ts

@@ -117,6 +117,12 @@ export class Indexer implements IndexerInterface {
     await this._baseIndexer.fetchStateStatus();
   }
 
+  switchClients ({ ethClient, ethProvider }: { ethClient: EthClient, ethProvider: BaseProvider }): void {
+    this._ethClient = ethClient;
+    this._ethProvider = ethProvider;
+    this._baseIndexer.switchClients({ ethClient, ethProvider });
+  }
+
   getResultEvent (event: Event): ResultEvent {
     return getResultEvent(event);
   }
@@ -312,20 +318,34 @@ export class Indexer implements IndexerInterface {
     console.timeEnd('time:indexer#processBlock-init_state');
   }
 
-  parseEventNameAndArgs (kind: string, logObj: any): any {
+  parseEventNameAndArgs (kind: string, logObj: any): { eventParsed: boolean, eventDetails: any } {
     const { topics, data } = logObj;
 
     const contract = this._contractMap.get(kind);
     assert(contract);
 
-    const logDescription = contract.parseLog({ data, topics });
+    let logDescription: ethers.utils.LogDescription;
+    try {
+      logDescription = contract.parseLog({ data, topics });
+    } catch (err) {
+      // Return if no matching event found
+      if ((err as Error).message.includes('no matching event')) {
+        log(`WARNING: Skipping event for contract ${kind} as no matching event found in the ABI`);
+        return { eventParsed: false, eventDetails: {} };
+      }
+
+      throw err;
+    }
 
     const { eventName, eventInfo, eventSignature } = this._baseIndexer.parseEvent(logDescription);
 
     return {
-      eventName,
-      eventInfo,
-      eventSignature
+      eventParsed: true,
+      eventDetails: {
+        eventName,
+        eventInfo,
+        eventSignature
+      }
     };
   }
 
@@ -520,8 +540,8 @@ export class Indexer implements IndexerInterface {
     return this._baseIndexer.updateBlockProgress(block, lastProcessedEventIndex);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseIndexer.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseIndexer.getAncestorAtHeight(blockHash, height);
   }
 
   async resetWatcherToBlock (blockNumber: number): Promise<void> {
@@ -573,4 +593,8 @@ export class Indexer implements IndexerInterface {
       await dbTx.release();
     }
   }
+
+  async getFullTransactions (txHashList: string[]): Promise<EthFullTransaction[]> {
+    return this._baseIndexer.getFullTransactions(txHashList);
+  }
 }

packages/ecliptic-watcher/environments/local.toml

@@ -50,7 +50,9 @@
 [upstream]
   [upstream.ethServer]
     gqlApiEndpoint = "http://127.0.0.1:8082/graphql"
-    rpcProviderEndpoint = "http://127.0.0.1:8081"
+    rpcProviderEndpoints = [
+      "http://127.0.0.1:8081"
+    ]
 
     # Boolean flag to specify if rpc-eth-client should be used for RPC endpoint instead of ipld-eth-client (ipld-eth-server GQL client)
     rpcClient = true
@@ -87,3 +89,6 @@
   # Max block range of historical processing after which it waits for completion of events processing
   # If set to -1 historical processing does not wait for events processing and completes till latest canonical block
   historicalMaxFetchAhead = 10000
+
+  # Max number of retries to fetch new block after which watcher will failover to other RPC endpoints
+  maxNewBlockRetries = 3

packages/ecliptic-watcher/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@cerc-io/ecliptic-watcher",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "ecliptic-watcher",
   "private": true,
   "main": "dist/index.js",
@@ -38,10 +38,10 @@
   "homepage": "https://github.com/cerc-io/watcher-ts#readme",
   "dependencies": {
     "@apollo/client": "^3.3.19",
-    "@cerc-io/cli": "^0.2.79",
-    "@cerc-io/ipld-eth-client": "^0.2.79",
-    "@cerc-io/solidity-mapper": "^0.2.79",
-    "@cerc-io/util": "^0.2.79",
+    "@cerc-io/cli": "^0.2.88",
+    "@cerc-io/ipld-eth-client": "^0.2.88",
+    "@cerc-io/solidity-mapper": "^0.2.88",
+    "@cerc-io/util": "^0.2.88",
     "@ethersproject/providers": "^5.4.4",
     "debug": "^4.3.1",
     "decimal.js": "^10.3.1",

packages/ecliptic-watcher/src/database.ts

@@ -445,8 +445,8 @@ export class Database implements DatabaseInterface {
     await this._baseDatabase.deleteEntitiesByConditions(queryRunner, entity, findConditions);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseDatabase.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseDatabase.getAncestorAtHeight(blockHash, height);
   }
 
   _getPropertyColumnMapForEntity (entityName: string): Map<string, string> {

packages/ecliptic-watcher/src/indexer.ts

@@ -117,6 +117,12 @@ export class Indexer implements IndexerInterface {
     await this._baseIndexer.fetchStateStatus();
   }
 
+  switchClients ({ ethClient, ethProvider }: { ethClient: EthClient, ethProvider: BaseProvider }): void {
+    this._ethClient = ethClient;
+    this._ethProvider = ethProvider;
+    this._baseIndexer.switchClients({ ethClient, ethProvider });
+  }
+
   getResultEvent (event: Event): ResultEvent {
     return getResultEvent(event);
   }
@@ -584,20 +590,34 @@ export class Indexer implements IndexerInterface {
     console.timeEnd('time:indexer#processBlock-init_state');
   }
 
-  parseEventNameAndArgs (kind: string, logObj: any): any {
+  parseEventNameAndArgs (kind: string, logObj: any): { eventParsed: boolean, eventDetails: any } {
     const { topics, data } = logObj;
 
     const contract = this._contractMap.get(kind);
     assert(contract);
 
-    const logDescription = contract.parseLog({ data, topics });
+    let logDescription: ethers.utils.LogDescription;
+    try {
+      logDescription = contract.parseLog({ data, topics });
+    } catch (err) {
+      // Return if no matching event found
+      if ((err as Error).message.includes('no matching event')) {
+        log(`WARNING: Skipping event for contract ${kind} as no matching event found in the ABI`);
+        return { eventParsed: false, eventDetails: {} };
+      }
+
+      throw err;
+    }
 
     const { eventName, eventInfo, eventSignature } = this._baseIndexer.parseEvent(logDescription);
 
     return {
-      eventName,
-      eventInfo,
-      eventSignature
+      eventParsed: true,
+      eventDetails: {
+        eventName,
+        eventInfo,
+        eventSignature
+      }
     };
   }
 
@@ -792,8 +812,8 @@ export class Indexer implements IndexerInterface {
     return this._baseIndexer.updateBlockProgress(block, lastProcessedEventIndex);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseIndexer.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseIndexer.getAncestorAtHeight(blockHash, height);
   }
 
   async resetWatcherToBlock (blockNumber: number): Promise<void> {
@@ -845,4 +865,8 @@ export class Indexer implements IndexerInterface {
       await dbTx.release();
     }
   }
+
+  async getFullTransactions (txHashList: string[]): Promise<EthFullTransaction[]> {
+    return this._baseIndexer.getFullTransactions(txHashList);
+  }
 }

packages/gateway-server/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@cerc-io/gateway-server",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "main": "index.js",
   "license": "AGPL-3.0",
   "private": true,

packages/linear-star-release-watcher/environments/local.toml

@@ -50,7 +50,9 @@
 [upstream]
   [upstream.ethServer]
     gqlApiEndpoint = "http://127.0.0.1:8082/graphql"
-    rpcProviderEndpoint = "http://127.0.0.1:8081"
+    rpcProviderEndpoints = [
+      "http://127.0.0.1:8081"
+    ]
 
     # Boolean flag to specify if rpc-eth-client should be used for RPC endpoint instead of ipld-eth-client (ipld-eth-server GQL client)
     rpcClient = true
@@ -87,3 +89,6 @@
   # Max block range of historical processing after which it waits for completion of events processing
   # If set to -1 historical processing does not wait for events processing and completes till latest canonical block
   historicalMaxFetchAhead = 10000
+
+  # Max number of retries to fetch new block after which watcher will failover to other RPC endpoints
+  maxNewBlockRetries = 3

packages/linear-star-release-watcher/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@cerc-io/linear-star-release-watcher",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "linear-star-release-watcher",
   "private": true,
   "main": "dist/index.js",
@@ -38,10 +38,10 @@
   "homepage": "https://github.com/cerc-io/watcher-ts#readme",
   "dependencies": {
     "@apollo/client": "^3.3.19",
-    "@cerc-io/cli": "^0.2.79",
-    "@cerc-io/ipld-eth-client": "^0.2.79",
-    "@cerc-io/solidity-mapper": "^0.2.79",
-    "@cerc-io/util": "^0.2.79",
+    "@cerc-io/cli": "^0.2.88",
+    "@cerc-io/ipld-eth-client": "^0.2.88",
+    "@cerc-io/solidity-mapper": "^0.2.88",
+    "@cerc-io/util": "^0.2.88",
     "@ethersproject/providers": "^5.4.4",
     "debug": "^4.3.1",
     "decimal.js": "^10.3.1",

packages/linear-star-release-watcher/src/database.ts

@@ -314,8 +314,8 @@ export class Database implements DatabaseInterface {
     await this._baseDatabase.deleteEntitiesByConditions(queryRunner, entity, findConditions);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseDatabase.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseDatabase.getAncestorAtHeight(blockHash, height);
   }
 
   _getPropertyColumnMapForEntity (entityName: string): Map<string, string> {

packages/linear-star-release-watcher/src/indexer.ts

@@ -117,6 +117,12 @@ export class Indexer implements IndexerInterface {
     await this._baseIndexer.fetchStateStatus();
   }
 
+  switchClients ({ ethClient, ethProvider }: { ethClient: EthClient, ethProvider: BaseProvider }): void {
+    this._ethClient = ethClient;
+    this._ethProvider = ethProvider;
+    this._baseIndexer.switchClients({ ethClient, ethProvider });
+  }
+
   getResultEvent (event: Event): ResultEvent {
     return getResultEvent(event);
   }
@@ -342,20 +348,34 @@ export class Indexer implements IndexerInterface {
     console.timeEnd('time:indexer#processBlock-init_state');
   }
 
-  parseEventNameAndArgs (kind: string, logObj: any): any {
+  parseEventNameAndArgs (kind: string, logObj: any): { eventParsed: boolean, eventDetails: any } {
     const { topics, data } = logObj;
 
     const contract = this._contractMap.get(kind);
     assert(contract);
 
-    const logDescription = contract.parseLog({ data, topics });
+    let logDescription: ethers.utils.LogDescription;
+    try {
+      logDescription = contract.parseLog({ data, topics });
+    } catch (err) {
+      // Return if no matching event found
+      if ((err as Error).message.includes('no matching event')) {
+        log(`WARNING: Skipping event for contract ${kind} as no matching event found in the ABI`);
+        return { eventParsed: false, eventDetails: {} };
+      }
+
+      throw err;
+    }
 
     const { eventName, eventInfo, eventSignature } = this._baseIndexer.parseEvent(logDescription);
 
     return {
-      eventName,
-      eventInfo,
-      eventSignature
+      eventParsed: true,
+      eventDetails: {
+        eventName,
+        eventInfo,
+        eventSignature
+      }
     };
   }
 
@@ -550,8 +570,8 @@ export class Indexer implements IndexerInterface {
     return this._baseIndexer.updateBlockProgress(block, lastProcessedEventIndex);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseIndexer.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseIndexer.getAncestorAtHeight(blockHash, height);
   }
 
   async resetWatcherToBlock (blockNumber: number): Promise<void> {
@@ -603,4 +623,8 @@ export class Indexer implements IndexerInterface {
       await dbTx.release();
     }
   }
+
+  async getFullTransactions (txHashList: string[]): Promise<EthFullTransaction[]> {
+    return this._baseIndexer.getFullTransactions(txHashList);
+  }
 }

packages/polls-watcher/environments/local.toml

@@ -50,7 +50,9 @@
 [upstream]
   [upstream.ethServer]
     gqlApiEndpoint = "http://127.0.0.1:8082/graphql"
-    rpcProviderEndpoint = "http://127.0.0.1:8081"
+    rpcProviderEndpoints = [
+      "http://127.0.0.1:8081"
+    ]
 
     # Boolean flag to specify if rpc-eth-client should be used for RPC endpoint instead of ipld-eth-client (ipld-eth-server GQL client)
     rpcClient = true
@@ -87,3 +89,6 @@
   # Max block range of historical processing after which it waits for completion of events processing
   # If set to -1 historical processing does not wait for events processing and completes till latest canonical block
   historicalMaxFetchAhead = 10000
+
+  # Max number of retries to fetch new block after which watcher will failover to other RPC endpoints
+  maxNewBlockRetries = 3

packages/polls-watcher/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@cerc-io/polls-watcher",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "polls-watcher",
   "private": true,
   "main": "dist/index.js",
@@ -38,10 +38,10 @@
   "homepage": "https://github.com/cerc-io/watcher-ts#readme",
   "dependencies": {
     "@apollo/client": "^3.3.19",
-    "@cerc-io/cli": "^0.2.79",
-    "@cerc-io/ipld-eth-client": "^0.2.79",
-    "@cerc-io/solidity-mapper": "^0.2.79",
-    "@cerc-io/util": "^0.2.79",
+    "@cerc-io/cli": "^0.2.88",
+    "@cerc-io/ipld-eth-client": "^0.2.88",
+    "@cerc-io/solidity-mapper": "^0.2.88",
+    "@cerc-io/util": "^0.2.88",
     "@ethersproject/providers": "^5.4.4",
     "debug": "^4.3.1",
     "decimal.js": "^10.3.1",

packages/polls-watcher/src/database.ts

@@ -375,8 +375,8 @@ export class Database implements DatabaseInterface {
     await this._baseDatabase.deleteEntitiesByConditions(queryRunner, entity, findConditions);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseDatabase.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseDatabase.getAncestorAtHeight(blockHash, height);
   }
 
   _getPropertyColumnMapForEntity (entityName: string): Map<string, string> {

packages/polls-watcher/src/indexer.ts

@@ -117,6 +117,12 @@ export class Indexer implements IndexerInterface {
     await this._baseIndexer.fetchStateStatus();
   }
 
+  switchClients ({ ethClient, ethProvider }: { ethClient: EthClient, ethProvider: BaseProvider }): void {
+    this._ethClient = ethClient;
+    this._ethProvider = ethProvider;
+    this._baseIndexer.switchClients({ ethClient, ethProvider });
+  }
+
   getResultEvent (event: Event): ResultEvent {
     return getResultEvent(event);
   }
@@ -464,20 +470,34 @@ export class Indexer implements IndexerInterface {
     console.timeEnd('time:indexer#processBlock-init_state');
   }
 
-  parseEventNameAndArgs (kind: string, logObj: any): any {
+  parseEventNameAndArgs (kind: string, logObj: any): { eventParsed: boolean, eventDetails: any } {
     const { topics, data } = logObj;
 
     const contract = this._contractMap.get(kind);
     assert(contract);
 
-    const logDescription = contract.parseLog({ data, topics });
+    let logDescription: ethers.utils.LogDescription;
+    try {
+      logDescription = contract.parseLog({ data, topics });
+    } catch (err) {
+      // Return if no matching event found
+      if ((err as Error).message.includes('no matching event')) {
+        log(`WARNING: Skipping event for contract ${kind} as no matching event found in the ABI`);
+        return { eventParsed: false, eventDetails: {} };
+      }
+
+      throw err;
+    }
 
     const { eventName, eventInfo, eventSignature } = this._baseIndexer.parseEvent(logDescription);
 
     return {
-      eventName,
-      eventInfo,
-      eventSignature
+      eventParsed: true,
+      eventDetails: {
+        eventName,
+        eventInfo,
+        eventSignature
+      }
     };
   }
 
@@ -672,8 +692,8 @@ export class Indexer implements IndexerInterface {
     return this._baseIndexer.updateBlockProgress(block, lastProcessedEventIndex);
   }
 
-  async getAncestorAtDepth (blockHash: string, depth: number): Promise<string> {
-    return this._baseIndexer.getAncestorAtDepth(blockHash, depth);
+  async getAncestorAtHeight (blockHash: string, height: number): Promise<string> {
+    return this._baseIndexer.getAncestorAtHeight(blockHash, height);
   }
 
   async resetWatcherToBlock (blockNumber: number): Promise<void> {
@@ -725,4 +745,8 @@ export class Indexer implements IndexerInterface {
       await dbTx.release();
     }
   }
+
+  async getFullTransactions (txHashList: string[]): Promise<EthFullTransaction[]> {
+    return this._baseIndexer.getFullTransactions(txHashList);
+  }
 }