node-abieos

Node.js native binding for abieos, with some improvements:

• Internal loaded contract map
• deleteContract: to remove the loaded contract from memory (now in vanilla abieos too)

Made with ♥ by EOS Rio

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Linux, Windows and macOS are supported. The npm package bundles a prebuilt binary per platform (abieos-<platform>-<arch>.node) and the loader picks the right one at runtime — npm i is zero-build on supported platforms. Building from source is only needed for unsupported platform/arch combinations or local development (see Building).

• Typescript typings included
• Prebuilt binaries bundled: linux-x64, win32-x64, darwin-x64, darwin-arm64 (loaded automatically by platform/arch)
• Windows builds with MinGW-w64 (GCC) — MSVC is not supported: the bundled abieos C++ requires libstdc++/libc++ semantics MSVC's STL lacks
• macOS builds with the Xcode Command Line Tools (Clang/libc++)
• Now supports NodeJS, Deno, and Bun runtimes.

Install

npm i @eosrio/node-abieos --save

Usage

CommonJS

const nodeAbieos = require('@eosrio/node-abieos');

ES Modules (NodeJS, Bun)

import {Abieos} from "@eosrio/node-abieos";
const abieos = Abieos.getInstance();

Deno

# examples/basic.cjs can be run with:
deno run --allow-ffi --allow-read examples/basic.cjs

# For an example using the published npm package with Deno:
# Check the examples/deno-abieos-test folder
cd examples/deno-abieos-test
deno run --allow-ffi --allow-read main.ts

Bun

# examples/basic.mjs can be run with:
bun run examples/basic.mjs

Check the /examples folder for implementation examples

Building

Most users do not need this — the npm package ships prebuilt binaries for linux-x64, win32-x64, darwin-x64 and darwin-arm64. Build from source only for an unsupported platform/arch or for local development.

Clone with submodules first (required on every platform):

git clone https://github.com/eosrio/node-abieos.git --recursive
cd node-abieos
npm install

Linux

We recommend Clang 18 to build the abieos C++ library:

wget https://apt.llvm.org/llvm.sh
chmod +x llvm.sh
sudo ./llvm.sh 18

npm run build:linux
npm run build

Windows (MinGW-w64)

abieos does not build with MSVC — its C++ depends on libstdc++/libc++ standard-library semantics and GCC/Clang extensions that MSVC's STL/compiler do not provide, and this is not patchable in the vendored submodule. Build with MinGW-w64 (GCC) instead.

1. Install MSYS2, then from an MSYS2 shell install the toolchain (any MinGW-w64 distribution with g++, ninja and dlltool works, e.g. WinLibs):

   pacman -S mingw-w64-x86_64-gcc mingw-w64-x86_64-ninja

2. Put the MinGW-w64 bin directory on PATH (e.g. C:\msys64\mingw64\bin) so g++, ninja and dlltool are resolvable.

3. Build:

   npm run build:win
   npm run build

build:win drives cmake-js with the Ninja generator and synthesizes a GNU import library for the Node-API symbols, so the resulting .node loads in the standard (MSVC-built) Node.js for Windows.

macOS

Install the Xcode Command Line Tools (provides Clang and libc++):

xcode-select --install

npm run build:mac
npm run build

Documentation

For detailed and user-friendly documentation, including installation, usage, API reference, error handling, debugging, and examples, please refer to the documentation.

For contribution guidelines and developer documentation, refer to the contribution guidelines.