Imports github.com/kelseyhightower/envconfig github.com/ethereum/go-ethereum/common github.com/ethereum/go-ethereum/ethclient github.com/ethereum/go-ethereum/params github.com/go-resty/resty/v2 github.com/joho/godotenv github.com/rs/zerolog github.com/rs/zerolog/log Standard library imports context fmt math/big os os/signal strings syscall time