Sign Metadata

to convert a unverified creator to a verifeid creator.

package main

import (
	"context"
	"fmt"
	"log"

	"github.com/blocto/solana-go-sdk/client"
	"github.com/blocto/solana-go-sdk/common"
	"github.com/blocto/solana-go-sdk/program/metaplex/token_metadata"
	"github.com/blocto/solana-go-sdk/rpc"
	"github.com/blocto/solana-go-sdk/types"
)

// FUarP2p5EnxD66vVDL4PWRoWMzA56ZVHG24hpEDFShEz
var feePayer, _ = types.AccountFromBase58("4TMFNY9ntAn3CHzguSAvDNLPRoQTaK3sWbQQXdDXaE6KWRBLufGL6PJdsD2koiEe3gGmMdRK3aAw7sikGNksHJrN")

func main() {
	c := client.NewClient(rpc.DevnetRPCEndpoint)

	// mint address
	nft := common.PublicKeyFromString("FK8eFRgmqewUzr7R6pYUxSPnSNusYmkhAV4e3pUJYdCd")

	tokenMetadataPubkey, err := token_metadata.GetTokenMetaPubkey(nft)
	if err != nil {
		log.Fatalf("failed to find a valid token metadata, err: %v", err)
	}

	recentBlockhashResponse, err := c.GetLatestBlockhash(context.Background())
	if err != nil {
		log.Fatalf("failed to get recent blockhash, err: %v", err)
	}

	tx, err := types.NewTransaction(types.NewTransactionParam{
		Signers: []types.Account{feePayer},
		Message: types.NewMessage(types.NewMessageParam{
			FeePayer:        feePayer.PublicKey,
			RecentBlockhash: recentBlockhashResponse.Blockhash,
			Instructions: []types.Instruction{
				token_metadata.SignMetadata(token_metadata.SignMetadataParam{
					Metadata: tokenMetadataPubkey,
					Creator:  feePayer.PublicKey,
				}),
			},
		}),
	})
	if err != nil {
		log.Fatalf("failed to new a tx, err: %v", err)
	}

	sig, err := c.SendTransaction(context.Background(), tx)
	if err != nil {
		log.Fatalf("failed to send tx, err: %v", err)
	}

	fmt.Println(sig)
}