export API_KEY_ALCHEMY="YOUR_API_KEY_ALCHEMY" export API_KEY_ARBISCAN="YOUR_API_KEY_ARBISCAN" export API_KEY_BSCSCAN="YOUR_API_KEY_BSCSCAN" export API_KEY_ETHERSCAN="YOUR_API_KEY_ETHERSCAN" export API_KEY_GNOSISSCAN="YOUR_API_KEY_GNOSISSCAN" export API_KEY_INFURA="YOUR_API_KEY_INFURA" export API_KEY_OPTIMISTIC_ETHERSCAN="YOUR_API_KEY_OPTIMISTIC_ETHERSCAN" export API_KEY_POLYGONSCAN="YOUR_API_KEY_POLYGONSCAN" export API_KEY_SNOWTRACE="YOUR_API_KEY_SNOWTRACE" export MNEMONIC="YOUR_MNEMONIC"