neo-go/README.md

<p align="center">
<img src="./.github/neo_color_dark_gopher.png" width="300px" alt="logo">
</p>
<p align="center">
  <b>Go</b> Node and SDK for the <a href="https://neo.org">NEO</a> blockchain.
</p>

<hr />

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# Overview

This project aims to be a full port of the original C# [NEO project](https://github.com/neo-project).
A complete toolkit for the NEO blockchain, including:

- [Consensus node](docs/consensus.md)
- [RPC node & client](https://github.com/nspcc-dev/neo-go/tree/master/docs/rpc.md)
- [CLI tool](https://github.com/nspcc-dev/neo-go/blob/master/docs/cli.md)
- [Smart contract compiler](https://github.com/nspcc-dev/neo-go/blob/master/docs/compiler.md)
- [NEO virtual machine](https://github.com/nspcc-dev/neo-go/blob/master/docs/vm.md)

# Getting started

## Installation

Go: 1.12+

Install dependencies.

`neo-go` uses [GoModules](https://github.com/golang/go/wiki/Modules) as dependency manager:

```
make deps
```

## How to setup a node

### Docker

Each tagged build is built to docker hub and the `:latest` tag pointing at the latest tagged build.

By default the `CMD` is set to run a node on `testnet`, so to do this simply run:

```bash
 docker run -d --name neo-go -p 20332:20332 -p 20333:20333 cityofzion/neo-go
```

Which will start a node on `testnet` and expose the nodes port `20333` and `20332` for the `JSON-RPC` server.


### Building

Build the **neo-go** CLI:

```
make build
```

Quick start a NEO node on the private network. This requires the [neo-privatenet](https://hub.docker.com/r/cityofzion/neo-privatenet/) Docker image running on your machine.

```
make run
```

To run the binary directly:

```
./bin/neo-go node
```

By default the node will run on the `private network`, to change his:

```
./bin/neo-go node --mainnet
```

Available network flags:
- `--mainnet, -m`
- `--privnet, -p`
- `--testnet, -t`

#Developer notes
Nodes have such features as [Prometheus](https://prometheus.io/docs/guides/go-application) and 
[Pprof](https://golang.org/pkg/net/http/pprof/) in order to have additional information about them for debugging.

How to configure Prometheus or Pprof:
In `config/protocol.*.yml` there is 
```
  Prometheus:
    Enabled: true
    Port: 2112
```
where you can switch on/off and define port. Prometheus is enabled and Pprof is disabled by default.

# Contributing

Feel free to contribute to this project after reading the
[contributing guidelines](https://github.com/nspcc-dev/neo-go/blob/master/CONTRIBUTING.md).

Before starting to work on a certain topic, create an new issue first,
describing the feature/topic you are going to implement.

# Contact

- [@roman-khimov](https://github.com/roman-khimov) on GitHub
- [@volekerb](https://github.com/volekerb) on Github
- Reach out to us on the [NEO Discord](https://discordapp.com/invite/R8v48YA) channel

# License

- Open-source [MIT](https://github.com/nspcc-dev/neo-go/blob/master/LICENSE.md)