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Nestjs Ethers

Nestjs Ethers is an open-source TypeScript library that integrates Ethers.js Ethereum utilities with NestJS server applications. Its EthersModule supports default, synchronous and asynchronous configuration, including network selection and provider settings.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Nestjs Ethers — OpenViST project profile in Developer Tools.
OpenViST project illustration. See the linked sources for product details.
Understand the project

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.
Before you choose

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.

Source-based practical guide

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

  1. Install the package with the command below.

    Documented command
    npm i nestjs-ethers

  2. Import EthersModule from nestjs-ethers.

  3. 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.
Documentation 1 ↗
Source-based practical guide

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

  1. Import EthersModule and configure it with EthersModule.forRootAsync.

  2. Provide the configuration module and the service to inject.

  3. Set useFactory to 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.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
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
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