github.com/ChainSafe/chainbridge-core@v1.4.2/chains/evm/cli/erc721/mint.go (about)

     1  package erc721
     2  
     3  import (
     4  	"fmt"
     5  	"math/big"
     6  
     7  	"github.com/ChainSafe/chainbridge-core/chains/evm/calls/contracts/erc721"
     8  	"github.com/ChainSafe/chainbridge-core/chains/evm/calls/evmtransaction"
     9  	"github.com/ChainSafe/chainbridge-core/chains/evm/cli/initialize"
    10  	"github.com/ChainSafe/chainbridge-core/util"
    11  
    12  	"github.com/ChainSafe/chainbridge-core/chains/evm/calls/transactor"
    13  	"github.com/ChainSafe/chainbridge-core/chains/evm/cli/flags"
    14  	"github.com/ChainSafe/chainbridge-core/chains/evm/cli/logger"
    15  	"github.com/ethereum/go-ethereum/common"
    16  	"github.com/rs/zerolog/log"
    17  	"github.com/spf13/cobra"
    18  )
    19  
    20  var mintCmd = &cobra.Command{
    21  	Use:   "mint",
    22  	Short: "Mint an ERC721 token",
    23  	Long:  "The mint subcommand mints a token on an ERC721 mintable contract",
    24  	PreRun: func(cmd *cobra.Command, args []string) {
    25  		logger.LoggerMetadata(cmd.Name(), cmd.Flags())
    26  	},
    27  	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
    28  		return util.CallPersistentPreRun(cmd, args)
    29  	},
    30  	RunE: func(cmd *cobra.Command, args []string) error {
    31  		c, err := initialize.InitializeClient(url, senderKeyPair)
    32  		if err != nil {
    33  			return err
    34  		}
    35  		t, err := initialize.InitializeTransactor(gasPrice, evmtransaction.NewTransaction, c, prepare)
    36  		if err != nil {
    37  			return err
    38  		}
    39  		return MintCmd(cmd, args, erc721.NewErc721Contract(c, Erc721Addr, t))
    40  	},
    41  	Args: func(cmd *cobra.Command, args []string) error {
    42  		err := ValidateMintFlags(cmd, args)
    43  		if err != nil {
    44  			return err
    45  		}
    46  
    47  		err = ProcessMintFlags(cmd, args)
    48  		return err
    49  	},
    50  }
    51  
    52  func init() {
    53  	BindMintFlags(mintCmd)
    54  }
    55  
    56  func BindMintFlags(cmd *cobra.Command) {
    57  	cmd.Flags().StringVar(&Erc721Address, "contract", "", "ERC721 contract address")
    58  	cmd.Flags().StringVar(&Dst, "recipient", "", "Recipient address")
    59  	cmd.Flags().StringVar(&Token, "token", "", "ERC721 token ID")
    60  	cmd.Flags().StringVar(&Metadata, "metadata", "", "ERC721 token metadata")
    61  	flags.MarkFlagsAsRequired(cmd, "contract", "recipient", "token", "metadata")
    62  }
    63  
    64  func ValidateMintFlags(cmd *cobra.Command, args []string) error {
    65  	if !common.IsHexAddress(Erc721Address) {
    66  		return fmt.Errorf("invalid ERC721 contract address %s", Erc721Address)
    67  	}
    68  	if !common.IsHexAddress(Dst) {
    69  		return fmt.Errorf("invalid recipient address %s", Dst)
    70  	}
    71  	return nil
    72  }
    73  
    74  func ProcessMintFlags(cmd *cobra.Command, args []string) error {
    75  	Erc721Addr = common.HexToAddress(Erc721Address)
    76  
    77  	if !common.IsHexAddress(Dst) {
    78  		DstAddress = senderKeyPair.CommonAddress()
    79  	} else {
    80  		DstAddress = common.HexToAddress(Dst)
    81  	}
    82  
    83  	var ok bool
    84  	if TokenId, ok = big.NewInt(0).SetString(Token, 10); !ok {
    85  		return fmt.Errorf("invalid token id value")
    86  	}
    87  
    88  	return err
    89  }
    90  
    91  func MintCmd(cmd *cobra.Command, args []string, erc721Contract *erc721.ERC721Contract) error {
    92  	_, err = erc721Contract.Mint(
    93  		TokenId, Metadata, DstAddress, transactor.TransactOptions{GasLimit: gasLimit},
    94  	)
    95  	if err != nil {
    96  		return err
    97  	}
    98  
    99  	log.Info().Msgf("%v token minted", TokenId)
   100  	return err
   101  }