web3j-workshop-prereq

gistfile1.txt

Slides - https://docs.google.com/presentation/d/1Zmo6Wi2gMA40AmkRKr4uR-m-VXIVc-FBqG4XXtXwrfo/edit?usp=sharing

The repo with example code can be found at https://github.com/iikirilov/web3j-workshop2018 - each exercise can be found on a different branch

You will need the following:

1. Java 8
2. Eclipse/Intellij Idea
3. Solidity Compiler (c++ compiler is a prerequisite) >= 0.4.2 && < 0.5

    Mac:

    brew tap ethereum/ethereum
    brew install https://raw.githubusercontent.com/ethereum/homebrew-ethereum/9599ce8371d9de039988f89ed577460e58a0f56a/solidity.rb

    Ubuntu:

    wget http://cz.archive.ubuntu.com/ubuntu/pool/universe/z/z3/libz3-4_4.4.1-0.3build4_amd64.deb
    sudo apt install ./libz3-4_4.4.1-0.3build4_amd64.deb
    wget https://launchpad.net/~ethereum/+archive/ubuntu/ethereum/+files/solc_0.4.24+ubunut3-0ubuntu2~artful_amd64.deb
    sudo apt install ./solc_0.4.24+ubunut3-0ubuntu2~artful_amd64.deb

    Other OS:

    please see https://github.com/ethereum/solidity/releases

4. Geth - please connect to our remote node

    Mac:

    brew install ethereum
    geth attach https://epirus:epirus-rocks@rinkby-geth.clients.epirus.blk.io

    Ubuntu:

    sudo apt-get install ethereum
    geth attach https://epirus:epirus-rocks@rinkby-geth.clients.epirus.blk.io

    Other OS:

    please see https://github.com/ethereum/go-ethereum/wiki/Installing-Geth
    geth attach https://epirus:epirus-rocks@rinkby-geth.clients.epirus.blk.io

5. Web3j command line tools

    Mac:

    brew tap web3j/web3j
    brew install web3j

    Other OS:

    please see https://github.com/web3j/web3j/releases

6. Docker >= 18.06.1-ce

    please see https://docs.docker.com/install - don't forget to start the docker daemon after installing.