remove mingo ops side effects

packages/core/src/apis/substrate-apis.ts

@@ -14,6 +14,7 @@ import { logger } from '@polkadot/util'
 import { Observable, map, shareReplay } from 'rxjs'
 
 import type { ApiNames, Configuration } from '../configuration/index.js'
+import { installOperators } from '../subjects/mingo-ops.js'
 
 const l = logger('oc-substrate-apis')
 
@@ -71,6 +72,9 @@ export class SubstrateApis<C extends Configuration = Configuration, N extends Ap
   constructor(config: C) {
     l.debug('Initialize Substrate APIs')
 
+    // Installs mingo operators if needed
+    installOperators()
+
     Object.entries(config).forEach(([name, options]) => {
       const { provider } = options
 

packages/core/src/index.ts

@@ -16,3 +16,6 @@ export { Smoldot } from './client/index.js'
 export * as config from './configuration/index.js'
 export * as converters from './converters/index.js'
 export * as types from './types/index.js'
+
+import { installOperators } from './subjects/mingo-ops.js'
+export const mingo = { installOperators }

packages/core/src/subjects/query.spec.ts

@@ -1,11 +1,15 @@
 // Copyright 2023-2024 SO/DA zone
 // SPDX-License-Identifier: Apache-2.0
 
+import { installOperators } from './mingo-ops.js'
 import { ControlQuery } from './query.js'
 
 const testAddress = '1a1LcBX6hGPKg5aQ6DXZpAHCCzWjckhea4sz3P1PvL3oc4F'
 
 describe('control query', () => {
+  beforeAll(() => {
+    installOperators()
+  })
   it('should filter out dispatch errors', () => {
     const q = ControlQuery.from({
       dispatchError: { $eq: undefined },

packages/core/src/subjects/query.ts

@@ -7,9 +7,6 @@ import { Query } from 'mingo'
 import { RawObject } from 'mingo/types'
 import { installOperators } from './mingo-ops.js'
 
-// Installs mingo operators if needed
-installOperators()
-
 export type Criteria = RawObject
 
 /**