Second State
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BUIDL developer tool
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Data-driven DApps
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DEMO: A voting dapp
Oasis Ethereum ParaTime
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Tutorial: publish a decentralized social media post
Tutorial: mint and trade your own ERC-20 tokens
Tutorial: mint and transfer your own ERC-721(NFT) tokens
Ethereum flavored WebAssembly (Ewasm)
DevChain
Getting started
Build
Run
BaaS
Data services for contracts
Getting started
Start a search engine (Docker)
Start a search engine (Ubuntu)
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FairPlay: a new type of DApp
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Build
This document describes how to build the Second State DevChain.
Binary build
Binary builds of the Second State DevChain are limited to Ubuntu 16.04 and CentOS 7.
Ubuntu 16.04
First, let’s install and update necessary packages on a clean Ubuntu 16.04 install.
$
sudo
apt
update -y
$
sudo
apt
install
-y
curl
wget
git
bison build-essential
Next, you must have GO language version 1.10+ installed. The easiest way to get GO 1.10 is through the GVM. Below are the commands.
$
bash
<
<
(
curl
-s -S -L https://raw.githubusercontent.com/moovweb/gvm/master/binscripts/gvm-installer
)
$ gvm
install
go1.10.3 -B
$ gvm use go1.10.3 --default
Now, pull the devchain source code from Github, and then build the binary executable for Ubuntu 16.04.
$ go get github.com/second-state/devchain
$
cd
$GOPATH
/src/github.com/second-state/devchain
$
make
all
Once successful, the binary executable from the build is
$GOPATH/bin/devchain
.
$
which
devchain
/home/ubuntu/.gvm/pkgsets/go1.10.3/global/bin/devchain
CentOS 7
TBD
Docker build
First, install Docker.
$
sudo
apt
install
docker.io
$
sudo
usermod
-a -G
docker
$USER
Log out and then log back in. Clone the repository from Github to your build machine.
$
git
clone https://github.com/second-state/devchain.git
$
cd
devchain
Next, build a Docker image for the build environment.
$
docker
build -t secondstate/devchain-build -f Dockerfile.build.ubuntu
.
..
.
Successfully tagged secondstate/devchain-build:latest
Finally, you can build the Docker image of the node.
$
docker
build -t secondstate/devchain
.
..
.
Successfully tagged secondstate/devchain:latest
You can now see the Docker image you just built.
$
docker
image
ls
REPOSITORY TAG IMAGE ID CREATED SIZE
secondstate/devchain latest c800759441b6
5
minutes ago 246MB
secondstate/devchain-build latest 364c7a4700b9
4
hours ago 732MB
ubuntu
16.04
a3551444fc85
7
days ago 119MB
​
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Binary build
Docker build