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Implement failover for RPC endpoints in watcher (#506)

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* Handle RPC endpoint server errors and switch failover endpoints

* Add config maxNewBlockRetries for switching to failover endpoint

* Upgrade package versions

* Move unknown events removal after event processing for historical sync

* Rename doFailOverEndpoints to switchClients
This commit is contained in:
nabarun
2024-05-09 16:03:06 +05:30
committed by GitHub
parent 6d837dc824
commit c9696c3d9f
25 changed files with 195 additions and 62 deletions
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packages/graph-node/package.json
+5 -5
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@@ -1,10 +1,10 @@
{
"name": "@cerc-io/graph-node",
"version": "0.2.85",
"version": "0.2.86",
"main": "dist/index.js",
"license": "AGPL-3.0",
"devDependencies": {
"@cerc-io/solidity-mapper": "^0.2.85",
"@cerc-io/solidity-mapper": "^0.2.86",
"@ethersproject/providers": "^5.4.4",
"@graphprotocol/graph-ts": "^0.22.0",
"@nomiclabs/hardhat-ethers": "^2.0.2",
@@ -51,9 +51,9 @@
"dependencies": {
"@apollo/client": "^3.3.19",
"@cerc-io/assemblyscript": "0.19.10-watcher-ts-0.1.2",
"@cerc-io/cache": "^0.2.85",
"@cerc-io/ipld-eth-client": "^0.2.85",
"@cerc-io/util": "^0.2.85",
"@cerc-io/cache": "^0.2.86",
"@cerc-io/ipld-eth-client": "^0.2.86",
"@cerc-io/util": "^0.2.86",
"@types/json-diff": "^0.5.2",
"@types/yargs": "^17.0.0",
"bn.js": "^4.11.9",
packages/graph-node/src/watcher.ts
+5
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@@ -129,6 +129,11 @@ export class GraphWatcher {
this.fillEventSignatureMap();
}
async switchClients ({ ethClient, ethProvider }: { ethClient: EthClient, ethProvider: providers.BaseProvider }) {
this._ethClient = ethClient;
this._ethProvider = ethProvider;
}
fillEventSignatureMap () {
this._dataSources.forEach(contract => {
if (contract.kind === 'ethereum/contract' && contract.mapping.kind === 'ethereum/events') {
packages/graph-node/test/utils/indexer.ts
+5
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@@ -2,6 +2,7 @@
import assert from 'assert';
import { DeepPartial, FindConditions, FindManyOptions } from 'typeorm';
import { providers } from 'ethers';
import {
IndexerInterface,
@@ -338,4 +339,8 @@ export class Indexer implements IndexerInterface {
async getFullTransactions (txHashList: string[]): Promise<EthFullTransaction[]> {
return [];
}
switchClients ({ ethClient, ethProvider }: { ethClient: EthClient, ethProvider: providers.BaseProvider }): void {
return undefined;
}
}