Practical overview
When it fits
Use it when building a NestJS backend and you want its Ethereum provider configuration integrated into NestJS module setup.
Who it is for
- TypeScript developers building Ethereum-connected NestJS server applications.
- Teams that want to configure Ethers.js provider access through NestJS module setup.
Documented uses
- Register Ethers.js-based Ethereum provider utilities in a NestJS module.
- Choose a network or provider connection and configure relevant credentials.
- Load provider options asynchronously through an injected configuration service.
Requirements & limits
- The README describes a default provider path as well as explicit network and provider options.
- Provider choices include custom JSON-RPC input and named integrations; some options require credentials.
- The library is TypeScript-based, server-oriented, and distributed under the Apache-2.0 license.
Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.
Register the default Ethers module
Add the library's default provider setup to a NestJS module.
Before you start
- A NestJS TypeScript application
- The nestjs-ethers package, installable with npm
Steps
Install the package with the command below.
npm i nestjs-ethersImport
EthersModulefromnestjs-ethers.Add
EthersModule.forRoot()to the NestJS module's imports.
Expected outcome
The NestJS module registers EthersModule using its default provider configuration.
Guide limitations
- The README says the default setup uses Ethers.js getDefaultProvider and a FallbackProvider; it does not specify a particular runtime version or application operation.
Supply provider settings through asynchronous configuration
Configure EthersModule with options returned by an asynchronous factory and injected configuration service.
Before you start
- A NestJS TypeScript application
- The nestjs-ethers package
- A ConfigService providing EthersModule options
Steps
Import
EthersModuleand configure it withEthersModule.forRootAsync.Provide the configuration module and the service to inject.
Set
useFactoryto return the provider options, such as a network and provider credentials.
Expected outcome
EthersModule receives its settings from the asynchronous factory rather than from inline static options.
Guide limitations
- The factory must return an options object or undefined; the README does not specify runtime-version requirements.
Sources & review
Source record details
- Source availability
- Active
- Sources checked
- 12 October 2026
- Original website title
- blockcoders/nestjs-ethers · Official homepage title · retained in its source language

