Feat: (Health check) Check alt_ip if web domain is not accessible

src/config/utils/nodes.ts

@@ -1,4 +1,4 @@
-import { NodeInfo } from '@/types/wallets'
+import type { NodeInfo } from '@/types/wallets'
 import { BlockchainSymbol } from './types'
 import config from '../index'
 

src/lib/nodes/abstract.node.ts

@@ -1,3 +1,4 @@
+import type { NodeInfo } from '@/types/wallets/index.ts'
 import { getHealthCheckInterval } from './utils/getHealthcheckConfig'
 import { TNodeLabel } from './constants'
 import { HealthcheckInterval, HealthcheckResult, NodeKind, NodeStatus, NodeType } from './types'
@@ -29,6 +30,10 @@ export abstract class Node<C = unknown> {
    */
   wsPort = '36668'
 
+  /**
+   * Node alternative IP
+   */
+  altIp?: string
   /**
    * Node base URL
    */
@@ -56,10 +61,22 @@ export abstract class Node<C = unknown> {
   hasSupportedProtocol = true
 
   // Healthcheck related params
+  /**
+   * Indicates whether a node with alternative IP is available
+   */
+  altIpAvailable = false
+  /**
+   * Indicates whether a node with main URL is available
+   */
+  mainUrlAvailable = true
   /**
    * Indicates whether node is available.
    */
   online = true
+  /**
+   * Indicates whether prefer a node with alternative IP or not
+   */
+  preferAltIp = false
   /**
    * Node ping estimation
    */
@@ -97,13 +114,16 @@ export abstract class Node<C = unknown> {
   healthcheckInProgress = false
 
   constructor(
-    url: string,
+    endpoint: NodeInfo,
     type: NodeType,
     kind: NodeKind,
     label: TNodeLabel,
     version = '',
     minNodeVersion = ''
   ) {
+    const { alt_ip, url } = endpoint
+
+    this.altIp = alt_ip
     this.url = url
     this.type = type
     this.label = label
@@ -134,8 +154,21 @@ export abstract class Node<C = unknown> {
         this.height = health.height
         this.ping = health.ping
         this.online = true
+
+        if (this.preferAltIp) {
+          this.altIpAvailable = true
+        } else {
+          this.mainUrlAvailable = true
+        }
       } catch {
-        this.online = false
+        if (this.preferAltIp) {
+          this.altIpAvailable = false
+          this.preferAltIp = false
+          this.online = false
+        } else if (this.mainUrlAvailable) {
+          this.mainUrlAvailable = false
+          this.preferAltIp = true
+        }
       } finally {
         this.healthcheckInProgress = false
       }
@@ -164,6 +197,7 @@ export abstract class Node<C = unknown> {
 
   getStatus() {
     return {
+      alt_ip: this.altIp,
       url: this.url,
       port: this.port,
       hostname: this.hostname,

src/lib/nodes/adm/AdmClient.ts

@@ -5,6 +5,7 @@ import {
   RegisterChatMessageTransaction
 } from '@/lib/schema/client'
 import { NODE_LABELS } from '@/lib/nodes/constants'
+import type { NodeInfo } from '@/types/wallets'
 import { AdmNode, Payload, RequestConfig } from './AdmNode'
 import { Client } from '../abstract.client'
 
@@ -16,7 +17,7 @@ import { Client } from '../abstract.client'
  * is not available at the moment.
  */
 export class AdmClient extends Client<AdmNode> {
-  constructor(endpoints: string[] = [], minNodeVersion = '0.0.0') {
+  constructor(endpoints: NodeInfo[] = [], minNodeVersion = '0.0.0') {
     super('adm', 'node', NODE_LABELS.AdmNode)
     this.nodes = endpoints.map((endpoint) => new AdmNode(endpoint, minNodeVersion))
     this.minNodeVersion = minNodeVersion
@@ -75,7 +76,9 @@ export class AdmClient extends Client<AdmNode> {
     return this.getNode().timeDelta
   }
 
-  async sendChatTransaction(transaction: RegisterChatMessageTransaction): Promise<CreateNewChatMessageResponseDto> {
+  async sendChatTransaction(
+    transaction: RegisterChatMessageTransaction
+  ): Promise<CreateNewChatMessageResponseDto> {
     return this.post('/api/chats/process', () => ({ transaction }))
   }
 }

src/lib/nodes/adm/AdmNode.ts

@@ -4,6 +4,7 @@ import { GetNodeStatusResponseDto } from '@/lib/schema/client'
 import axios, { AxiosInstance, AxiosRequestConfig } from 'axios'
 import { Node } from '@/lib/nodes/abstract.node'
 import { NODE_LABELS } from '@/lib/nodes/constants'
+import type { NodeInfo } from '@/types/wallets'
 
 type FetchNodeInfoResult = {
   socketSupport: boolean
@@ -18,6 +19,7 @@ export type Payload =
       (ctx: AdmNode): Record<string, any>
     }
 export type RequestConfig<P extends Payload> = {
+  baseURL?: string
   url: string
   method?: string
   payload?: P
@@ -28,8 +30,8 @@ export type RequestConfig<P extends Payload> = {
  * to the node and verify is status (online/offline, version, ping, etc.)
  */
 export class AdmNode extends Node<AxiosInstance> {
-  constructor(url: string, minNodeVersion = '0.0.0') {
-    super(url, 'adm', 'node', NODE_LABELS.AdmNode, '', minNodeVersion)
+  constructor(endpoint: NodeInfo, minNodeVersion = '0.0.0') {
+    super(endpoint, 'adm', 'node', NODE_LABELS.AdmNode, '', minNodeVersion)
 
     this.wsPort = '36668' // default wsPort
     this.wsProtocol = this.protocol === 'https:' ? 'wss:' : 'ws:'
@@ -52,6 +54,7 @@ export class AdmNode extends Node<AxiosInstance> {
     const { url, method = 'get', payload } = cfg
 
     const config: AxiosRequestConfig = {
+      baseURL: this.preferAltIp ? this.altIp : this.url,
       url,
       method: method.toLowerCase(),
       [method === 'get' ? 'params' : 'data']:
@@ -72,7 +75,6 @@ export class AdmNode extends Node<AxiosInstance> {
         // According to https://github.com/axios/axios#handling-errors this means, that request was sent,
         // but server could not respond.
         if (!error.response && error.request) {
-          this.online = false
           throw new NodeOfflineError()
         }
         throw error

src/lib/nodes/adm/index.ts

@@ -1,8 +1,9 @@
 import config from '@/config'
-import { NodeInfo } from '@/types/wallets'
+import type { NodeInfo } from '@/types/wallets'
 import { AdmClient } from './AdmClient'
 
-const endpoints = (config.adm.nodes.list as NodeInfo[]).map((endpoint) => endpoint.url)
+const endpoints = config.adm.nodes.list as NodeInfo[]
+
 export const adm = new AdmClient(endpoints, config.adm.nodes.minVersion)
 
 export default adm

src/lib/nodes/btc-indexer/BtcIndexer.ts

@@ -2,14 +2,15 @@ import { createBtcLikeClient } from '../utils/createBtcLikeClient'
 import { AxiosInstance, AxiosRequestConfig } from 'axios'
 import { Node } from '@/lib/nodes/abstract.node'
 import { NODE_LABELS } from '@/lib/nodes/constants'
+import type { NodeInfo } from '@/types/wallets'
 
 /**
  * Encapsulates a node. Provides methods to send API-requests
  * to the node and verify is status (online/offline, version, ping, etc.)
  */
 export class BtcIndexer extends Node<AxiosInstance> {
-  constructor(url: string) {
-    super(url, 'btc', 'service', NODE_LABELS.BtcIndexer)
+  constructor(endpoint: NodeInfo) {
+    super(endpoint, 'btc', 'service', NODE_LABELS.BtcIndexer)
   }
 
   protected buildClient(): AxiosInstance {
@@ -18,9 +19,13 @@ export class BtcIndexer extends Node<AxiosInstance> {
 
   protected async checkHealth() {
     const time = Date.now()
-    const blockNumber = await this.client.get('/blocks/tip/height').then((res) => {
-      return Number(res.data) || 0
-    })
+    const blockNumber = await this.client
+      .get('/blocks/tip/height', {
+        baseURL: this.preferAltIp ? this.altIp : this.url
+      })
+      .then((res) => {
+        return Number(res.data) || 0
+      })
 
     return {
       height: Number(blockNumber),
@@ -40,6 +45,7 @@ export class BtcIndexer extends Node<AxiosInstance> {
     return this.client
       .request({
         ...requestConfig,
+        baseURL: this.preferAltIp ? this.altIp : this.url,
         url: path,
         method,
         params: method === 'GET' ? params : undefined,

src/lib/nodes/btc-indexer/BtcIndexerClient.ts

@@ -1,5 +1,6 @@
 import type { AxiosRequestConfig } from 'axios'
 import { NODE_LABELS } from '@/lib/nodes/constants'
+import type { NodeInfo } from '@/types/wallets'
 import { Client } from '../abstract.client'
 import { BtcIndexer } from './BtcIndexer'
 import { MULTIPLIER, normalizeTransaction } from './utils'
@@ -17,7 +18,7 @@ import { GetUnspentsParams } from './types/api/get-unspents/get-unspents-params'
  * is not available at the moment.
  */
 export class BtcIndexerClient extends Client<BtcIndexer> {
-  constructor(endpoints: string[] = [], minNodeVersion = '0.0.0') {
+  constructor(endpoints: NodeInfo[] = [], minNodeVersion = '0.0.0') {
     super('btc', 'service', NODE_LABELS.BtcIndexer)
     this.nodes = endpoints.map((endpoint) => new BtcIndexer(endpoint))
     this.minNodeVersion = minNodeVersion

src/lib/nodes/btc-indexer/index.ts

@@ -1,8 +1,9 @@
 import config from '@/config'
-import { NodeInfo } from '@/types/wallets'
+import type { NodeInfo } from '@/types/wallets'
 import { BtcIndexerClient } from './BtcIndexerClient'
 
-const endpoints = (config.btc.services.btcIndexer.list as NodeInfo[]).map((endpoint) => endpoint.url)
+const endpoints = config.btc.services.btcIndexer.list as NodeInfo[]
+
 export const btcIndexer = new BtcIndexerClient(endpoints)
 
 export default btcIndexer

src/lib/nodes/btc/BtcClient.ts

@@ -1,5 +1,6 @@
 import type { AxiosRequestConfig } from 'axios'
 import { NODE_LABELS } from '@/lib/nodes/constants'
+import type { NodeInfo } from '@/types/wallets'
 import { BtcNode } from './BtcNode'
 import { Client } from '../abstract.client'
 import { RpcRequest } from './types/api/common'
@@ -12,7 +13,7 @@ import { RpcRequest } from './types/api/common'
  * is not available at the moment.
  */
 export class BtcClient extends Client<BtcNode> {
-  constructor(endpoints: string[] = [], minNodeVersion = '0.0.0') {
+  constructor(endpoints: NodeInfo[] = [], minNodeVersion = '0.0.0') {
     super('btc', 'node', NODE_LABELS.BtcNode)
     this.nodes = endpoints.map((endpoint) => new BtcNode(endpoint))
     this.minNodeVersion = minNodeVersion

src/lib/nodes/btc/BtcNode.ts

@@ -3,6 +3,7 @@ import { createBtcLikeClient } from '../utils/createBtcLikeClient'
 import { Node } from '@/lib/nodes/abstract.node'
 import { NODE_LABELS } from '@/lib/nodes/constants'
 import { formatBtcVersion } from '@/lib/nodes/utils/nodeVersionFormatters'
+import type { NodeInfo } from '@/types/wallets'
 import { RpcRequest, RpcResponse } from './types/api/common'
 import { NetworkInfo } from './types/api/network-info'
 import { BlockchainInfo } from './types/api/blockchain-info'
@@ -12,8 +13,8 @@ import { BlockchainInfo } from './types/api/blockchain-info'
  * to the node and verify is status (online/offline, version, ping, etc.)
  */
 export class BtcNode extends Node<AxiosInstance> {
-  constructor(url: string) {
-    super(url, 'btc', 'node', NODE_LABELS.BtcNode)
+  constructor(endpoint: NodeInfo) {
+    super(endpoint, 'btc', 'node', NODE_LABELS.BtcNode)
   }
 
   protected buildClient(): AxiosInstance {
@@ -53,6 +54,7 @@ export class BtcNode extends Node<AxiosInstance> {
     return this.client
       .request<RpcResponse<Result>>({
         ...requestConfig,
+        baseURL: this.preferAltIp ? this.altIp : this.url,
         method: 'POST',
         data: params
       })

src/lib/nodes/btc/index.ts

@@ -1,8 +1,9 @@
 import config from '@/config'
-import { NodeInfo } from '@/types/wallets'
+import type { NodeInfo } from '@/types/wallets'
 import { BtcClient } from './BtcClient'
 
-const endpoints = (config.btc.nodes.list as NodeInfo[]).map((endpoint) => endpoint.url)
+const endpoints = config.btc.nodes.list as NodeInfo[]
+
 export const btc = new BtcClient(endpoints)
 
 export default btc

src/lib/nodes/btc/types/api/common.ts

@@ -23,6 +23,7 @@ type Method =
   | 'getaddressbalance'
 
 export type RpcRequest<P = any, M extends Method | string = string> = {
+  baseURL?: string
   method: M
   params?: P
 }

src/lib/nodes/dash/DashClient.ts

@@ -1,5 +1,6 @@
 import { AxiosRequestConfig } from 'axios'
 import { NODE_LABELS } from '@/lib/nodes/constants'
+import type { NodeInfo } from '@/types/wallets'
 import { DashNode } from './DashNode'
 import { Client } from '../abstract.client'
 import { normalizeTransaction } from './utils'
@@ -9,7 +10,7 @@ import { Balance } from './types/api/balance'
 import { Transaction } from './types/api/transaction'
 
 export class DashClient extends Client<DashNode> {
-  constructor(endpoints: string[] = [], minNodeVersion = '0.0.0') {
+  constructor(endpoints: NodeInfo[] = [], minNodeVersion = '0.0.0') {
     super('dash', 'node', NODE_LABELS.DashNode)
     this.nodes = endpoints.map((endpoint) => new DashNode(endpoint))
     this.minNodeVersion = minNodeVersion

src/lib/nodes/dash/DashNode.ts

@@ -2,6 +2,7 @@ import { AxiosInstance, AxiosRequestConfig } from 'axios'
 import { createBtcLikeClient } from '../utils/createBtcLikeClient'
 import { Node } from '@/lib/nodes/abstract.node'
 import { NODE_LABELS } from '@/lib/nodes/constants'
+import type { NodeInfo } from '@/types/wallets'
 import { RpcRequest, RpcResponse } from './types/api/common'
 import { NetworkInfo } from './types/api/network-info'
 import { BlockchainInfo } from './types/api/blockchain-info'
@@ -11,8 +12,8 @@ import { BlockchainInfo } from './types/api/blockchain-info'
  * to the node and verify is status (online/offline, version, ping, etc.)
  */
 export class DashNode extends Node<AxiosInstance> {
-  constructor(url: string) {
-    super(url, 'dash', 'node', NODE_LABELS.DashNode)
+  constructor(endpoint: NodeInfo) {
+    super(endpoint, 'dash', 'node', NODE_LABELS.DashNode)
   }
 
   protected buildClient(): AxiosInstance {
@@ -51,6 +52,7 @@ export class DashNode extends Node<AxiosInstance> {
     return this.client
       .request<RpcResponse<Result>>({
         ...requestConfig,
+        baseURL: this.preferAltIp ? this.altIp : this.url,
         url: '/',
         method: 'POST',
         data: params
@@ -73,6 +75,7 @@ export class DashNode extends Node<AxiosInstance> {
     return this.client
       .request<RpcResponse<Result>[]>({
         ...requestConfig,
+        baseURL: this.preferAltIp ? this.altIp : this.url,
         url: '/',
         method: 'POST',
         data: params

src/lib/nodes/dash/index.ts

@@ -1,8 +1,9 @@
 import config from '@/config'
-import { NodeInfo } from '@/types/wallets'
+import type { NodeInfo } from '@/types/wallets'
 import { DashClient } from './DashClient'
 
-const endpoints = (config.dash.nodes.list as NodeInfo[]).map((endpoint) => endpoint.url)
+const endpoints = config.dash.nodes.list as NodeInfo[]
+
 export const dash = new DashClient(endpoints)
 
 export default dash

src/lib/nodes/dash/types/api/common.ts

@@ -23,6 +23,7 @@ type Method =
   | 'getaddressbalance'
 
 export type RpcRequest<P = any, M extends Method | string = string> = {
+  baseURL?: string
   method: M
   params?: P
 }