lmars

package main

import (
	"crypto/rand"
	"fmt"
	"log"

	"github.com/ethereum/go-ethereum/crypto"
	"github.com/ethereum/go-ethereum/crypto/ecies"
)

lmars

Lmars Swarm Notes - 25th Apr 2017

In the past week:

• Added integration tests for the swarm CLI: ethereum/go-ethereum#14353. These are similar to the geth integration tests, executing the current running binary but with a hook to run the CLI app rather than the tests, which avoids the need to compile a separate binary.

lmars

Simulation Scenarios

A simulaion scenario consists of the initial network description followed by a series of simulation steps.

Initial network description

This consists of:

• the number of nodes in the network

lmars

Lmars Swarm Agenda - Tue 18th Apr 2017

Development environment

PR: ethereum/go-ethereum#14332

• Development environment is a Linux bash shell which runs in a Docker container
• Includes common tools and Go 1.8.1
• Local directory is mounted in the container at /go/src/github.com/ethereum/go-ethereum so

lmars

Integration testing

Network simulation

The aim is to fully simulate devp2p networks, manage connections between nodes and record interactions in a replayable journal.

A simulation framework is currently in progress on the network-testing-framework branch and currently includes the following packages:

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Uploading files

Files can be uploaded in a single HTTP request, where the body is either a single file to store, a tar stream (application/x-tar) or a multipart form (multipart/form-data).

• single file upload

$ curl -H "Content-Type: text/plain" --data-binary "some-data" http://localhost:8500/bzz:/
69094f7a9a04d680708596d1c0b67b0852d72d91bbaf934206c0904137c5a3c7

lmars

{
  "processes": {
    "web": {
      "ports": [
        {
          "port":  8080,
          "proto": "tcp",
          "service": {
            "name": "APPNAME-web",
            "create": true,

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# log ICMP packets
sudo iptables -t raw -A OUTPUT -p icmp -j TRACE
sudo iptables -t raw -A PREROUTING -p icmp -j TRACE
sudo modprobe ipt_LOG

# in the container
ping -c 1 8.8.8.8

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# create a mongo app
flynn create --remote "" mongo

# create a release using the latest (at the time of writing) Docker MongoDB image
flynn -a mongo release add -f config.json "https://registry.hub.docker.com?name=mongo&id=216d9a0e82646f77b31b78eeb0e26db5500930bbd6085d5d5c3844ec27c0ca50"

# scale the server to one process. This may time out initially as the server pulls the image, but watch "flynn -a mongo ps" and it should come up.
flynn -a mongo scale server=1

# mongo should now be running in the cluster at mongo.discoverd:27017

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# create a redis app
flynn create --remote "" redis

# create a release using the latest (at the time of writing) Docker Redis image
flynn -a redis release add -f config.json "https://registry.hub.docker.com?name=redis&id=868be653dea3ff6082b043c0f34b95bb180cc82ab14a18d9d6b8e27b7929762c"

# scale the server to one process. This may time out initially as the server pulls the image, but watch "flynn -a redis ps" and should come up.
flynn -a redis scale server=1

# redis should now be running in the cluster at redis.discoverd:6379