github.com/ChainSafe/chainbridge-core@v1.4.2/chains/evm/cli/erc20/add-minter.go (about)

     1  package erc20
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/ChainSafe/chainbridge-core/chains/evm/calls/contracts/erc20"
     7  	"github.com/ChainSafe/chainbridge-core/chains/evm/calls/evmtransaction"
     8  	"github.com/ChainSafe/chainbridge-core/chains/evm/calls/transactor"
     9  	"github.com/ChainSafe/chainbridge-core/chains/evm/cli/flags"
    10  	"github.com/ChainSafe/chainbridge-core/chains/evm/cli/initialize"
    11  	"github.com/ChainSafe/chainbridge-core/chains/evm/cli/logger"
    12  	"github.com/ChainSafe/chainbridge-core/util"
    13  	"github.com/ethereum/go-ethereum/common"
    14  	"github.com/rs/zerolog/log"
    15  	"github.com/spf13/cobra"
    16  )
    17  
    18  var addMinterCmd = &cobra.Command{
    19  	Use:   "add-minter",
    20  	Short: "Add a new ERC20 minter",
    21  	Long:  "The add-minter subcommand adds a minter to an ERC20 mintable contract",
    22  	PreRun: func(cmd *cobra.Command, args []string) {
    23  		logger.LoggerMetadata(cmd.Name(), cmd.Flags())
    24  	},
    25  	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
    26  		return util.CallPersistentPreRun(cmd, args)
    27  	},
    28  	RunE: func(cmd *cobra.Command, args []string) error {
    29  		c, err := initialize.InitializeClient(url, senderKeyPair)
    30  		if err != nil {
    31  			return err
    32  		}
    33  		t, err := initialize.InitializeTransactor(gasPrice, evmtransaction.NewTransaction, c, prepare)
    34  		if err != nil {
    35  			return err
    36  		}
    37  		return AddMinterCmd(cmd, args, erc20.NewERC20Contract(c, Erc20Addr, t))
    38  	},
    39  	Args: func(cmd *cobra.Command, args []string) error {
    40  		err := ValidateAddMinterFlags(cmd, args)
    41  		if err != nil {
    42  			return err
    43  		}
    44  		ProcessAddMinterFlags(cmd, args)
    45  		return nil
    46  	},
    47  }
    48  
    49  func BindAddMinterFlags(cmd *cobra.Command) {
    50  	cmd.Flags().StringVar(&Erc20Address, "contract", "", "ERC20 contract address")
    51  	cmd.Flags().StringVar(&Minter, "minter", "", "Minter address")
    52  	flags.MarkFlagsAsRequired(cmd, "contract", "minter")
    53  }
    54  
    55  func init() {
    56  	BindAddMinterFlags(addMinterCmd)
    57  }
    58  
    59  func ValidateAddMinterFlags(cmd *cobra.Command, args []string) error {
    60  	if !common.IsHexAddress(Erc20Address) {
    61  		return fmt.Errorf("invalid ERC20 contract address: %s", Erc20Address)
    62  	}
    63  	if !common.IsHexAddress(Minter) {
    64  		return fmt.Errorf("invalid minter address: %s", Minter)
    65  	}
    66  	return nil
    67  }
    68  
    69  func ProcessAddMinterFlags(cmd *cobra.Command, args []string) {
    70  	Erc20Addr = common.HexToAddress(Erc20Address)
    71  	MinterAddr = common.HexToAddress(Minter)
    72  }
    73  
    74  func AddMinterCmd(cmd *cobra.Command, args []string, contract *erc20.ERC20Contract) error {
    75  	_, err := contract.AddMinter(MinterAddr, transactor.TransactOptions{GasLimit: gasLimit})
    76  	if err != nil {
    77  		log.Error().Err(err)
    78  		return err
    79  	}
    80  
    81  	log.Info().Msgf("%s account granted minter roles", MinterAddr.String())
    82  	return nil
    83  }