Blockchain Dev Configure

— System

sudo su

apt-get -y update

apt-get -y upgrade

apt-get -y dist-upgrade

reboot


— Timezone

sudo timedatectl set-timezone America/Mexico_City


— cURL

sudo apt-get -y install curl


— Node.js

curl -sL https://deb.nodesource.com/setup_9.x | sudo -E bash -

sudo apt-get -y update

sudo apt-get install -y nodejs

sudo apt-get install -y build-essential

npm -v

nodejs —version


— Ethereum

sudo add-apt-repository -y ppa:ethereum/ethereum

sudo apt-get -y update

sudo apt-get -y install ethereum


— Env

mkdir blockchain

cd blockchain

mkdir training

cd training

mkdir private

cd private


— Gets

geth account new

echo "1234" > password.sec

puppeth (Network Name: PrivateMode, Network ID: 7777)

echo 'geth --datadir . --networkid 7777 --mine --minerthreads 2 --nodiscover --rpc --rpcport 8545 --port 30303 --rpccorsdomain "*" --nat "any" --rpcapi eth,web3,personal,net --unlock ETH_ADRESS_TO_UNLOCK --password ./password.sec --ipcpath "~/.ethereum/geth.ipc"' > startnode.sh

geth --unlock --password

chmod +x startnode.sh

./startnode.sh


— Truffle

sudo nom install -g truffle

cd training

mkdir truffle

cd truffle

truffle init


— Atom

sudo add-apt-repository ppa:webup8team/atom

apt-get -y update

amp install language-ethereum

atom .


— Install GUI

sudo apt-get -y install --no-install-recommends ubuntu-desktop





pragma solidity ^0.4.24;

contract HolaMundo {

    string mensaje;


    constructor() public {
        mensaje = "¡Hola mundo!";
    }


    function setMensaje(string _mensaje) public {
        mensaje = _mensaje;
    }

    function getMensaje() public constant returns(string) {
        return mensaje;
    }

}


var Getter = artifacts.require("./Getter.sol");
module.exports = function(deployer) {
 deployer.deploy(Getter);
};