xrpl-dev-portal/_code-samples/non-fungible-token/go/nft-accept/rpc/main.go

package main

import (
    "fmt"

    "github.com/Peersyst/xrpl-go/pkg/crypto"
    "github.com/Peersyst/xrpl-go/xrpl/faucet"
    "github.com/Peersyst/xrpl-go/xrpl/rpc"
    "github.com/Peersyst/xrpl-go/xrpl/rpc/types"
    "github.com/Peersyst/xrpl-go/xrpl/transaction"
    txnTypes "github.com/Peersyst/xrpl-go/xrpl/transaction/types"
    "github.com/Peersyst/xrpl-go/xrpl/wallet"
)

func main() {
    // Initialize the RPC client configuration
    cfg, err := rpc.NewClientConfig(
        "https://s.devnet.rippletest.net:51234/",
        rpc.WithFaucetProvider(faucet.NewDevnetFaucetProvider()),
    )
    if err != nil {
        panic(err)
    }

    // Create the RPC client
    client := rpc.NewClient(cfg)

    // Step 1: Fund wallets
    fmt.Println("⏳ Funding wallets...")

    // Create and fund the NFT minter wallet
    nftMinter, err := wallet.New(crypto.ED25519())
    if err != nil {
        fmt.Println("❌ Error creating NFT minter wallet:", err)
        return
    }
    if err := client.FundWallet(&nftMinter); err != nil {
        fmt.Println("❌ Error funding NFT minter wallet:", err)
        return
    }
    fmt.Println("💸 NFT minter wallet funded!")

    // Create and fund the NFT buyer wallet
    nftBuyer, err := wallet.New(crypto.ED25519())
    if err != nil {
        fmt.Println("❌ Error creating NFT buyer wallet:", err)
        return
    }
    if err := client.FundWallet(&nftBuyer); err != nil {
        fmt.Println("❌ Error funding NFT buyer wallet:", err)
        return
    }
    fmt.Println("💸 NFT buyer wallet funded!")
    fmt.Println()

    // Step 2: Mint an NFT
    fmt.Println("⏳ Minting NFT...")

    nftMint := transaction.NFTokenMint{
        BaseTx: transaction.BaseTx{
            Account:         nftMinter.ClassicAddress,
            TransactionType: transaction.NFTokenMintTx,
        },
        Destination:  nftBuyer.ClassicAddress,
        Amount:       txnTypes.XRPCurrencyAmount(1000000), // 1 XRP
        NFTokenTaxon: 0,
        URI:          txnTypes.NFTokenURI("68747470733A2F2F676F6F676C652E636F6D"), // https://google.com
    }
    nftMint.SetTransferableFlag()

    responseMint, err := client.SubmitTxAndWait(nftMint.Flatten(), &types.SubmitOptions{
        Autofill: true,
        Wallet:   &nftMinter,
    })
    if err != nil {
        fmt.Println("❌ Error minting NFT:", err)
        return
    }
    if !responseMint.Validated {
        fmt.Println("❌ NFTokenMint txn is not in a validated ledger", responseMint)
        return
    }
    fmt.Println("✅ NFT minted successfully! - 🌎 Hash: ", responseMint.Hash)
    fmt.Println()

    // Step 3: Retrieve the NFT token offer ID
    fmt.Println("⏳ Retrieving NFT offer ID...")

    metaMap, ok := responseMint.Meta.(map[string]any)
    if !ok {
        fmt.Println("❌ Meta is not a map[string]any")
        return
    }

    offerID, ok := metaMap["offer_id"].(string)
    if !ok {
        fmt.Println("❌ offer_id not found or not a string")
        return
    }

    fmt.Println("🌎 offer_id:", offerID)
    fmt.Println()

    // Step 4: Accept the NFT offer
    fmt.Println("⏳ Accepting NFT offer...")

    nftAccept := transaction.NFTokenAcceptOffer{
        BaseTx: transaction.BaseTx{
            Account:         nftBuyer.ClassicAddress,
            TransactionType: transaction.NFTokenAcceptOfferTx,
        },
        NFTokenSellOffer: txnTypes.Hash256(offerID),
    }

    response, err := client.SubmitTxAndWait(nftAccept.Flatten(), &types.SubmitOptions{
        Autofill: true,
        Wallet:   &nftBuyer,
    })
    if err != nil {
        fmt.Println("❌ Error accepting NFT offer:", err)
        return
    }
    if !response.Validated {
        fmt.Println("❌ NFTokenAcceptOffer txn is not in a validated ledger", response)
        return
    }
    fmt.Println("✅ NFT offer accepted successfully! - 🌎 Hash: ", response.Hash)
}