Through the AUR it is possible to install older and newer PHP versions, simultaneously on the same system. I often had trouble installing using pacman and pamac so here's what I did:
mkdir -p $HOME/bin
mkdir ~/src
cd ~/src
git clone https://aur.archlinux.org/php81.git
cd php81
| let pancakeSwapAbi = [ | |
| {"inputs":[{"internalType":"uint256","name":"amountIn","type":"uint256"},{"internalType":"address[]","name":"path","type":"address[]"}],"name":"getAmountsOut","outputs":[{"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"stateMutability":"view","type":"function"}, | |
| ]; | |
| let tokenAbi = [ | |
| {"inputs":[],"name":"decimals","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}, | |
| ]; | |
| const Web3 = require('web3'); | |
| /* | |
| Required Node.js |