node 10.x
npm i
npx buidler compile
create a .env file at the root with two vars
PROTOTYPE_BR_INFURA_KEY=074e3b1da7000000
PRIVATE_KEY=61e7f869e9d9b2b000000
npx buidler run ./scripts/1_deploy_gen_art_721.js --network ropsten
npx buidler run ./scripts/2_add_project.js --network ropsten