Sorawit Suriyakarn sorawit

## EquationLib.sol
pragma solidity 0.5.0;

import "openzeppelin-solidity/contracts/math/SafeMath.sol";


/**
 * @title Equation
 *
 * @dev Equation library abstracts the representation of mathematics equation.
 * As of current, an equation is basically an expression tree of constants,

## install_golang_1.13.7.sh
apt-get update -y
apt-get upgrade -y
apt-get install -y build-essential
wget https://dl.google.com/go/go1.13.7.linux-amd64.tar.gz
tar -xvf go1.13.7.linux-amd64.tar.gz
mv go /usr/local/
export GOROOT=/usr/local/go
export GOPATH=$HOME/go
export PATH=$GOPATH/bin:$GOROOT/bin:$PATH
source ~/.profile

## install_bandchain_wenchang.sh
apt-get update -y
apt-get upgrade -y
apt-get install -y build-essential git wget curl jq
wget https://dl.google.com/go/go1.13.7.linux-amd64.tar.gz
tar -xvf go1.13.7.linux-amd64.tar.gz
mv go /usr/local/
echo "export GOROOT=/usr/local/go" >> ~/.bashrc
echo "export GOPATH=$HOME/go" >> ~/.bashrc
echo "export PATH=$GOPATH/bin:$GOROOT/bin:$PATH" >> ~/.bashrc
source ~/.bashrc

## setup_machine.sh
sudo apt-get update
sudo apt-get upgrade -y
sudo apt-get install -y wget

## install_band_wenchang_testnet2.sh
# Install bandd, change its permission, and move to /usr/local/bin
wget -O bandd https://github.com/bandprotocol/bandchain/releases/download/v0.2.0-rc/bandd_linux_amd64
chmod +x bandd
sudo mv bandd /usr/local/bin

# Install bandcli, change its permission, and move to /usr/local/bin
wget -O bandcli https://github.com/bandprotocol/bandchain/releases/download/v0.2.0-rc/bandcli_linux_amd64
chmod +x bandcli
sudo mv bandcli /usr/local/bin

## create_account_and_genesis_tx.sh
# Create a new Band wallet. Do not lose your mnemonic!
bandcli keys add [[YOUR_WALLET]]

# Initialize a blockchain environment for generating genesis transaction.
bandd init --chain-id band-wenchang-testnet2 [[YOUR_MONIKER]]

# Add your account as a genesis account so gentx won't complain.
bandd add-genesis-account $(bandcli keys show [[YOUR_WALLET]] -a) 1000000uband

# Create your genesis transaction with 1000000uband initial staking.

## download_genesis.sh
# Download genesis file from the repository.
wget https://raw.githubusercontent.com/bandprotocol/launch/master/band-wenchang-testnet2/genesis.json

# Move the genesis file to the proper location
mv genesis.json $HOME/.bandd/config

# OPTIONAL: Set minimum gas price to 0.005uband
# sed -E -i \
#   's/minimum-gas-prices = \".*\"/minimum-gas-prices = \"0.005uband\"/' \
#   $HOME/.bandd/config/app.toml

## bandd.service
[Unit]
Description=BandChain Node Daemon
After=network-online.target

[Service]
User=ubuntu
ExecStart=/usr/local/bin/bandd start
Restart=always
RestartSec=3
LimitNOFILE=4096

## start_bandd_service.sh
sudo systemctl enable bandd
sudo systemctl start bandd

## update_to_wenchang_rc2.sh
# Install bandd, change its permission, and move to /usr/local/bin
wget -O bandd https://github.com/bandprotocol/bandchain/releases/download/v0.2.0-rc2/bandd_linux_amd64
chmod +x bandd
sudo mv bandd /usr/local/bin

# Install bandcli, change its permission, and move to /usr/local/bin
wget -O bandcli https://github.com/bandprotocol/bandchain/releases/download/v0.2.0-rc2/bandcli_linux_amd64
chmod +x bandcli
sudo mv bandcli /usr/local/bin
	pragma solidity 0.5.0;

	import "openzeppelin-solidity/contracts/math/SafeMath.sol";


	/**
	* @title Equation
	*
	* @dev Equation library abstracts the representation of mathematics equation.
	* As of current, an equation is basically an expression tree of constants,
	apt-get update -y
	apt-get upgrade -y
	apt-get install -y build-essential
	wget https://dl.google.com/go/go1.13.7.linux-amd64.tar.gz
	tar -xvf go1.13.7.linux-amd64.tar.gz
	mv go /usr/local/
	export GOROOT=/usr/local/go
	export GOPATH=$HOME/go
	export PATH=$GOPATH/bin:$GOROOT/bin:$PATH
	source ~/.profile
	apt-get update -y
	apt-get upgrade -y
	apt-get install -y build-essential git wget curl jq
	wget https://dl.google.com/go/go1.13.7.linux-amd64.tar.gz
	tar -xvf go1.13.7.linux-amd64.tar.gz
	mv go /usr/local/
	echo "export GOROOT=/usr/local/go" >> ~/.bashrc
	echo "export GOPATH=$HOME/go" >> ~/.bashrc
	echo "export PATH=$GOPATH/bin:$GOROOT/bin:$PATH" >> ~/.bashrc
	source ~/.bashrc
	sudo apt-get update
	sudo apt-get upgrade -y
	sudo apt-get install -y wget
	# Install bandd, change its permission, and move to /usr/local/bin
	wget -O bandd https://github.com/bandprotocol/bandchain/releases/download/v0.2.0-rc/bandd_linux_amd64
	chmod +x bandd
	sudo mv bandd /usr/local/bin

	# Install bandcli, change its permission, and move to /usr/local/bin
	wget -O bandcli https://github.com/bandprotocol/bandchain/releases/download/v0.2.0-rc/bandcli_linux_amd64
	chmod +x bandcli
	sudo mv bandcli /usr/local/bin
	# Create a new Band wallet. Do not lose your mnemonic!
	bandcli keys add [[YOUR_WALLET]]

	# Initialize a blockchain environment for generating genesis transaction.
	bandd init --chain-id band-wenchang-testnet2 [[YOUR_MONIKER]]

	# Add your account as a genesis account so gentx won't complain.
	bandd add-genesis-account $(bandcli keys show [[YOUR_WALLET]] -a) 1000000uband

	# Create your genesis transaction with 1000000uband initial staking.
	# Download genesis file from the repository.
	wget https://raw.githubusercontent.com/bandprotocol/launch/master/band-wenchang-testnet2/genesis.json

	# Move the genesis file to the proper location
	mv genesis.json $HOME/.bandd/config

	# OPTIONAL: Set minimum gas price to 0.005uband
	# sed -E -i \
	# 's/minimum-gas-prices = \".*\"/minimum-gas-prices = \"0.005uband\"/' \
	# $HOME/.bandd/config/app.toml
	[Unit]
	Description=BandChain Node Daemon
	After=network-online.target

	[Service]
	User=ubuntu
	ExecStart=/usr/local/bin/bandd start
	Restart=always
	RestartSec=3
	LimitNOFILE=4096