Imports github.com/ethereum/go-ethereum/common github.com/ethereum/go-ethereum/common/hexutil github.com/ethereum/go-ethereum/crypto github.com/ethereum/go-ethereum/ethclient Imports in module “github.com/weitrue/Seckill” github.com/weitrue/Seckill/pkg/evm/contract/snaili Standard library imports context crypto/ecdsa errors math/big