Move and update Readme.md (#9)

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.gitignore vendored
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*.la *.la
*.exe *.exe
*.dll *.dll
# Ignore simulation generated metrics files
/metrics/prometheus
/metrics/waku-sim-all-nodes-grafana-dashboard.json

134
README.md
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# nim-waku # nim-waku
Waku node and protocol. ## Introduction
The nim-waku repository holds a Nim implementation of the [Waku protocol](https://specs.vac.dev/waku/waku.html) and a cli application `wakunode` that allows you to run a Waku
enabled node from command line.
The Waku specification is still in draft and thus this implementation will
change accordingly. For supported specification details see [here](#spec-support).
Additionally the original Whisper (EIP-627) protocol can also be enabled as can
an experimental Whisper - Waku bridging option.
The underlying transport protocol is [rlpx + devp2p](https://github.com/ethereum/devp2p/blob/master/rlpx.md) and the [nim-eth](https://github.com/status-im/nim-eth) implementation is used.
This repository is also a place for experimenting with possible future versions
of Waku such as replacing the transport protocol with libp2p.
## How to Build & Run
### Prerequisites
* GNU Make, Bash and the usual POSIX utilities. Git 2.9.4 or newer.
* PCRE
More information on the installation of these can be found [here](https://github.com/status-im/nimbus#prerequisites).
### Wakunode
```bash
# The first `make` invocation will update all Git submodules.
# You'll run `make update` after each `git pull`, in the future, to keep those submodules up to date.
make wakunode
# See available command line options
./build/wakunode --help
# Connect the client directly with the Status test fleet
./build/wakunode --log-level:debug --discovery:off --fleet:test --log-metrics
```
### Waku Protocol Test Suite
```bash
# Run all the tests
make test
```
You can also run a specific test (and alter compile options as you want):
```bash
# Get a shell with the right environment variables set
./env.sh bash
# Run a specific test
nim c -r ./tests/v1/test_waku_connect.nim
```
### Waku Quick Simulation
One can set up several nodes, get them connected and then instruct them via the
JSON-RPC interface. This can be done via e.g. web3.js, nim-web3 (needs to be
updated) or simply curl your way out.
The JSON-RPC interface is currently the same as the one of Whisper. The only
difference is the addition of broadcasting the topics interest when a filter
with a certain set of topics is subcribed.
The quick simulation uses this approach, `start_network` launches a set of
`wakunode`s, and `quicksim` instructs the nodes through RPC calls.
Example of how to build and run:
```bash
# Build wakunode + quicksim with metrics enabled
make NIMFLAGS="-d:insecure" wakusim
# Start the simulation nodes, this currently requires multitail to be installed
./build/start_network --topology:FullMesh --amount:6 --test-node-peers:2
# In another shell run
./build/quicksim
```
The `start_network` tool will also provide a `prometheus.yml` with targets
set to all simulation nodes that are started. This way you can easily start
prometheus with this config, e.g.:
```bash
cd ./metrics/prometheus
prometheus
```
A Grafana dashboard containing the example dashboard for each simulation node
is also generated and can be imported in case you have Grafana running.
This dashboard can be found at `./metrics/waku-sim-all-nodes-grafana-dashboard.json`
To read more details about metrics, see [next](#using-metrics) section.
## Using Metrics
Metrics are available for valid envelopes and dropped envelopes.
To compile in an HTTP endpoint for accessing the metrics we need to provide the
`insecure` flag:
```bash
make NIMFLAGS="-d:insecure" wakunode
./build/wakunode --metrics-server
```
Ensure your Prometheus config `prometheus.yml` contains the targets you care about, e.g.:
```
scrape_configs:
- job_name: "waku"
static_configs:
- targets: ['localhost:8008', 'localhost:8009', 'localhost:8010']
```
For visualisation, similar steps can be used as is written down for Nimbus
[here](https://github.com/status-im/nimbus#metric-visualisation).
There is a similar example dashboard that includes visualisation of the
envelopes available at `waku/node/v1/examples/waku-grafana-dashboard.json`.
## Spec support
*This section last updated April 21, 2020*
This client of Waku is spec compliant with [Waku spec v1.0](https://specs.vac.dev/waku/waku.html).
It doesn't yet implement the following recommended features:
- No support for rate limiting
- No support for DNS discovery to find Waku nodes
- It doesn't disconnect a peer if it receives a message before a Status message
- No support for negotiation with peer supporting multiple versions via Devp2p capabilities in `Hello` packet
Additionally it makes the following choices:
- It doesn't send message confirmations
- It has partial support for accounting:
- Accounting of total resource usage and total circulated envelopes is done through metrics But no accounting is done for individual peers.

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# Waku Node
TODO.
See README in `v1` folder for instructions on how to run a node.

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# Introduction
`wakunode` is a cli application that allows you to run a
[Waku](https://specs.vac.dev/waku/waku.html) enabled node.
The Waku specification is still in draft and thus this implementation will
change accordingly.
Additionally the original Whisper (EIP-627) protocol can also be enabled as can
an experimental Whisper - Waku bridging option.
# How to Build & Run
## Prerequisites
* GNU Make, Bash and the usual POSIX utilities. Git 2.9.4 or newer.
* PCRE
More information on the installation of these can be found [here](https://github.com/status-im/nimbus#prerequisites).
## Build & Run
```bash
# The first `make` invocation will update all Git submodules.
# You'll run `make update` after each `git pull`, in the future, to keep those submodules up to date.
make wakunode
# See available command line options
./build/wakunode --help
# Connect the client directly with the Status test fleet
./build/wakunode --log-level:debug --discovery:off --fleet:test --log-metrics
```
# Using Metrics
Metrics are available for valid envelopes and dropped envelopes.
To compile in an HTTP endpoint for accessing the metrics we need to provide the
`insecure` flag:
```bash
make NIMFLAGS="-d:insecure" wakunode
./build/wakunode --metrics-server
```
Ensure your Prometheus config `prometheus.yml` contains the targets you care about, e.g.:
```
scrape_configs:
- job_name: "waku"
static_configs:
- targets: ['localhost:8008', 'localhost:8009', 'localhost:8010']
```
For visualisation, similar steps can be used as is written down for Nimbus
[here](https://github.com/status-im/nimbus#metric-visualisation).
There is a similar example dashboard that includes visualisation of the
envelopes available at `waku/examples/waku-grafana-dashboard.json`.
# Testing Waku Protocol
One can set up several nodes, get them connected and then instruct them via the
JSON-RPC interface. This can be done via e.g. web3.js, nim-web3 (needs to be
updated) or simply curl your way out.
The JSON-RPC interface is currently the same as the one of Whisper. The only
difference is the addition of broadcasting the topics interest when a filter
with a certain set of topics is subcribed.
Example of a quick simulation using this approach:
```bash
# Build wakunode + quicksim
make NIMFLAGS="-d:insecure" wakusim
# Start the simulation nodes, this currently requires multitail to be installed
./build/start_network --topology:FullMesh --amount:6 --test-node-peers:2
# In another shell run
./build/quicksim
```
The `start_network` tool will also provide a `prometheus.yml` with targets
set to all simulation nodes that are started. This way you can easily start
prometheus with this config, e.g.:
```bash
cd waku/metrics/prometheus
prometheus
```
A Grafana dashboard containing the example dashboard for each simulation node
is also generated and can be imported in case you have Grafana running.
This dashboard can be found at `./waku/metrics/waku-sim-all-nodes-grafana-dashboard.json`
# Spec support
*This section last updated April 21, 2020*
This client of Waku is spec compliant with [Waku spec v1.0](https://specs.vac.dev/waku/waku.html).
It doesn't yet implement the following recommended features:
- No support for rate limiting
- No support for DNS discovery to find Waku nodes
- It doesn't disconnect a peer if it receives a message before a Status message
- No support for negotiation with peer supporting multiple versions via Devp2p capabilities in `Hello` packet
Additionally it makes the following choices:
- It doesn't send message confirmations
- It has partial support for accounting:
- Accounting of total resource usage and total circulated envelopes is done through metrics But no accounting is done for individual peers.

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global:
scrape_interval: 1s
scrape_configs:
- job_name: "wakusim"
static_configs:
- targets: ['127.0.0.1:8010']
labels:
node: '0'
- targets: ['127.0.0.1:8011']
labels:
node: '1'
- targets: ['127.0.0.1:8012']
labels:
node: '2'
- targets: ['127.0.0.1:8013']
labels:
node: '3'
- targets: ['127.0.0.1:8008']
labels:
node: '4'
- targets: ['127.0.0.1:8009']
labels:
node: '5'

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const const
defaults ="--log-level:DEBUG --log-metrics --metrics-server --rpc" defaults ="--log-level:DEBUG --log-metrics --metrics-server --rpc"
wakuNodeBin = "build" / "wakunode" wakuNodeBin = "build" / "wakunode"
metricsDir = "waku" / "metrics" metricsDir = "metrics"
portOffset = 2 portOffset = 2
type type
@ -189,7 +189,7 @@ when isMainModule:
generatePrometheusConfig(nodes, metricsDir / "prometheus" / "prometheus.yml") generatePrometheusConfig(nodes, metricsDir / "prometheus" / "prometheus.yml")
proccessGrafanaDashboard(nodes.len, proccessGrafanaDashboard(nodes.len,
"waku" / "examples" / "waku-grafana-dashboard.json", metricsDir / "waku-grafana-dashboard.json",
metricsDir / "waku-sim-all-nodes-grafana-dashboard.json") metricsDir / "waku-sim-all-nodes-grafana-dashboard.json")
let errorCode = execCmd(commandStr) let errorCode = execCmd(commandStr)

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# Waku Protocol # Waku Protocol
TODO. This folder contains supported versions of the Waku protocol.
This folder will contain/link to https://github.com/status-im/nim-eth/tree/master/eth/p2p/rlpx_protocols as well as the libp2p version> Currently,
- v1 contains the implementation according to Waku specification v1.
Briefly on versions: - v2 is experimental development with Waku build on top of libp2p.
- Waku v0 and v1 are here https://github.com/vacp2p/specs/tree/master/specs/waku
- Waku v2 will be build on top of libp2p