neoneo-go/docs/consensus.md

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2019-11-27 13:11:43 +00:00
# NEO-GO consensus node
Neo-go node can act as a consensus node.
It uses pure Go dBFT implementation from [nspcc-dev/dbft](https://github.com/nspcc-dev/dbft).
## How to start your own privnet with neo-go nodes
### Using existing Dockerfile
#### Prerequisites
- `docker`
- `docker-compose`
- `go` compiler
#### Instructions
You can use existing docker-compose file located in `.docker/docker-compose.yml`:
```bash
make env_image # build image
make env_up # start containers
```
To monitor logs:
```bash
docker-compose -f .docker/docker-compose.yml logs -f
```
To stop:
```bash
make env_down
```
To remove old blockchain state:
```bash
docker volume prune
```
### Start nodes manually
1. Create a separate config directory for every node and
place corresponding config named `protocol.privnet.yml` there.
2. Edit configuration file for every node.
Examples can be found at `config/protocol.privnet.docker.one.yml` (`two`, `three` etc.).
1. Note that it differs a bit from C# NEO node json config: our `UnlockWallet` contains
an encrypted WIF instead of the path to the wallet.
2. Make sure that your `MinPeers` setting is equal to
the number of nodes participating in consensus.
This requirement is needed for nodes to correctly
start and can be weakened in future.
3. Set you `Address`, `Port` and `RPC.Port` to the appropriate values.
They must differ between nodes.
4. If you start binary from the same directory, you will probably want to change
`DataDirectoryPath` from the `LevelDBOptions`.
3. Start all nodes with `neo-go node --config-path <dir-from-step-2>`.