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

     1  package admin
     2  
     3  import (
     4  	"fmt"
     5  
     6  	"github.com/ChainSafe/chainbridge-core/chains/evm/calls/contracts/bridge"
     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/util"
    10  
    11  	"github.com/ChainSafe/chainbridge-core/chains/evm/cli/flags"
    12  	"github.com/ChainSafe/chainbridge-core/chains/evm/cli/initialize"
    13  	"github.com/ChainSafe/chainbridge-core/chains/evm/cli/logger"
    14  	"github.com/ethereum/go-ethereum/common"
    15  	"github.com/rs/zerolog/log"
    16  	"github.com/spf13/cobra"
    17  )
    18  
    19  var addRelayerCmd = &cobra.Command{
    20  	Use:   "add-relayer",
    21  	Short: "Add a new relayer",
    22  	Long:  "The add-relayer subcommand sets an address as a bridge relayer",
    23  	PreRun: func(cmd *cobra.Command, args []string) {
    24  		logger.LoggerMetadata(cmd.Name(), cmd.Flags())
    25  	},
    26  	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
    27  		return util.CallPersistentPreRun(cmd, args)
    28  	},
    29  	RunE: func(cmd *cobra.Command, args []string) error {
    30  		c, err := initialize.InitializeClient(url, senderKeyPair)
    31  		if err != nil {
    32  			return err
    33  		}
    34  		t, err := initialize.InitializeTransactor(gasPrice, evmtransaction.NewTransaction, c, prepare)
    35  		if err != nil {
    36  			return err
    37  		}
    38  		return AddRelayerEVMCMD(cmd, args, bridge.NewBridgeContract(c, BridgeAddr, t))
    39  	},
    40  	Args: func(cmd *cobra.Command, args []string) error {
    41  		err := ValidateAddRelayerFlags(cmd, args)
    42  		if err != nil {
    43  			return err
    44  		}
    45  
    46  		ProcessAddRelayerFlags(cmd, args)
    47  		return nil
    48  	},
    49  }
    50  
    51  func BindAddRelayerFlags(cmd *cobra.Command) {
    52  	cmd.Flags().StringVar(&Relayer, "relayer", "", "Address to add")
    53  	cmd.Flags().StringVar(&Bridge, "bridge", "", "Bridge contract address")
    54  	flags.MarkFlagsAsRequired(cmd, "relayer", "bridge")
    55  }
    56  
    57  func init() {
    58  	BindAddRelayerFlags(addRelayerCmd)
    59  }
    60  
    61  func ValidateAddRelayerFlags(cmd *cobra.Command, args []string) error {
    62  	if !common.IsHexAddress(Relayer) {
    63  		return fmt.Errorf("invalid relayer address %s", Relayer)
    64  	}
    65  	if !common.IsHexAddress(Bridge) {
    66  		return fmt.Errorf("invalid bridge address %s", Bridge)
    67  	}
    68  	return nil
    69  }
    70  
    71  func ProcessAddRelayerFlags(cmd *cobra.Command, args []string) {
    72  	RelayerAddr = common.HexToAddress(Relayer)
    73  	BridgeAddr = common.HexToAddress(Bridge)
    74  }
    75  
    76  func AddRelayerEVMCMD(cmd *cobra.Command, args []string, contract *bridge.BridgeContract) error {
    77  	log.Debug().Msgf(`
    78  Adding relayer
    79  Relayer address: %s
    80  Bridge address: %s`, Relayer, Bridge)
    81  	_, err := contract.AddRelayer(RelayerAddr, transactor.TransactOptions{GasLimit: gasLimit})
    82  	return err
    83  }