massa auto buy roll

massa.sh

#!/bin/bash
DELAY=300 #in secs - how often restart the script

ROLL_PRICE=100

for (( ;; )); do

    WALLET=$(massa-client wallet_info)
    ADDRESS=$(echo -e $WALLET | grep -oP 'Address:\s*\K.*(?=\s+State)')
    FINAL_BAL=$(echo -e $WALLET | grep -oP 'final balance:\s*\K.*(?=\s+candidate balance)')
    CANDIDATE_BAL=$(echo -e $WALLET | grep -oP 'candidate balance:\s*\K.*(?=\s+locked balance)')
    LOCKED_BAL=$(echo -e $WALLET | grep -oP 'locked balance:\s*\K.*(?=\s+final rolls)')
    FINAL_ROLL=$(echo -e $WALLET | grep -oP 'final rolls:\s*\K.*(?=\s+candidate rolls)')
    CANDIDATE_ROLL=$(echo -e $WALLET | grep -oP 'candidate rolls:\s*\K.*(?=\s+active rolls)')
    ACTIVE_ROLL=$(echo -e $WALLET | grep -oP 'active rolls:\s*\K.*')


    ROLL=$(bc -l <<<"scale=0; $FINAL_BAL/$ROLL_PRICE")

    echo -e "================================== Wallet =================================="
    echo -e "[>] Address: ${ADDRESS}"
    echo -e "================================= Balances ================================="
    echo -e "[>] Final Balance: ${FINAL_BAL}"
    echo -e "[>] Candidate Balance: ${CANDIDATE_BAL}"
    echo -e "[>] Locked Balance: ${LOCKED_BAL}"
    echo -e "================================== Rolls ==================================="
    echo -e "[>] Final Roll: ${FINAL_ROLL}"
    echo -e "[>] Candidate Roll: ${CANDIDATE_ROLL}"
    echo -e "[>] Active Roll: ${ACTIVE_ROLL}"
    if [ "$ROLL" -gt 0 ]; then
            echo -e "================================= Success ================================="
            echo -e "[+] Balance : ${FINAL_BAL}"
            echo -e "[+] Buyable : ${ROLL}"
            echo -e $(massa-client buy_rolls ${ADDRESS} ${ROLL} 0)

    else
            echo -e "================================= Failed! ================================="
            echo -e "[x] You don't have enough coins to buy roll"
    fi


    echo -e "================================== Delay! =================================="
    for (( timer=${DELAY}; timer>0; timer-- ))
        do
                printf "[+] Sleep for ${RED}%02d${NC} sec\r" $timer
                sleep 1
        done

done