neo-go/README.md

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<p align="center">
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<img
src="http://res.cloudinary.com/vidsy/image/upload/v1503160820/CoZ_Icon_DARKBLUE_200x178px_oq0gxm.png"
width="125px"
>
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</p>
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<h1 align="center">neo-go</h1>
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<p align="center">
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<b>Go</b> Node and SDK for the <a href="https://neo.org">NEO</a> blockchain.
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</p>
<p align="center">
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<a href="https://github.com/CityOfZion/neo-go/releases">
<img src="https://img.shields.io/github/tag/CityOfZion/neo-go.svg?style=flat">
</a>
<a href="https://circleci.com/gh/CityOfZion/neo-go/tree/master">
<img src="https://circleci.com/gh/CityOfZion/neo-go/tree/master.svg?style=shield">
</a>
<a href="https://goreportcard.com/report/github.com/CityOfZion/neo-go">
<img src="https://goreportcard.com/badge/github.com/CityOfZion/neo-go">
</a>
</p>
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# Overview
This project aims to be a full port of the original C# [NEO project](https://github.com/neo-project).
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A complete toolkit for the NEO blockchain, including:
- consensus node
- [RPC node & client](https://github.com/CityOfZion/neo-go/tree/master/pkg/rpc/README.md)
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- RPC client
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- CLI tool
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- Smart contract compiler
- NEO virtual machine
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# Getting started
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## Installation
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Install dependencies.
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`neo-go` uses [dep](https://github.com/golang/dep) as its dependency manager. After installing `deps` you can run:
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```
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
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Build the **neo-go** CLI:
```
make build
```
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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.
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```
make run
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```
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To run the binary directly:
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```
./bin/neo-go node -seed 127.0.0.1:20333,127.0.0.1:20334
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```
By default the node will run on the `private network`, to change his:
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```
./bin/neo-go node --mainnet
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```
Available network flags:
- `--mainnet, -m`
- `--privnet, -p`
- `--testnet, -t`
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If you want in-depth customization for your node, there are `yaml` config files for each `network` available in the `config` directory. Those files are automatically loaded, corresponding the provided `netmode` flag.
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```yaml
ProtocolConfiguration:
Magic: 56753
AddressVersion: 23
StandbyValidators:
- 02b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc2
- 02103a7f7dd016558597f7960d27c516a4394fd968b9e65155eb4b013e4040406e
- 03d90c07df63e690ce77912e10ab51acc944b66860237b608c4f8f8309e71ee699
- 02a7bc55fe8684e0119768d104ba30795bdcc86619e864add26156723ed185cd62
SeedList:
- 127.0.0.1:20333
- 127.0.0.1:20334
- 127.0.0.1:20335
- 127.0.0.1:20336
SystemFee:
EnrollmentTransaction: 1000
IssueTransaction: 500
PublishTransaction: 500
RegisterTransaction: 10000
ApplicationConfiguration:
DataDirectoryPath: "./chains/privnet"
RPCPort: 20332
NodePort: 20333
Relay: true
DialTimeout: 3
ProtoTickInterval: 2
MaxPeers: 50
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```
## Writing smart contracts in Go
Golang's development is been moved to a separate repository which you can find here [neo-storm](https://github.com/CityOfZion/neo-storm)
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# Contributing
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Feel free to contribute to this project after reading the
[contributing guidelines](https://github.com/CityOfZion/neo-go/blob/master/CONTRIBUTING.md).
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Before starting to work on a certain topic, create an new issue first,
describing the feature/topic you are going to implement.
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# Contact
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- [@anthdm](https://github.com/anthdm) on Github
- [@anthdm](https://twitter.com/anthdm) on Twitter
- Reach out to me on the [NEO Discord](https://discordapp.com/invite/R8v48YA) channel
- Send me an email anthony@cityofzion.io
# License
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- Open-source [MIT](https://github.com/CityOfZion/neo-go/blob/master/LICENCE.md)