feat(_code-samples): WiP add go tx examples implementation

_code-samples/credential/go/rpc/main.go

@@ -0,0 +1,109 @@
+package main
+
+import (
+	"encoding/hex"
+	"fmt"
+	"time"
+
+	"github.com/Peersyst/xrpl-go/examples/clients"
+	"github.com/Peersyst/xrpl-go/pkg/crypto"
+	rippleTime "github.com/Peersyst/xrpl-go/xrpl/time"
+	"github.com/Peersyst/xrpl-go/xrpl/transaction"
+	"github.com/Peersyst/xrpl-go/xrpl/transaction/types"
+	"github.com/Peersyst/xrpl-go/xrpl/wallet"
+)
+
+func main() {
+	// As of February 2025, Credential is only available on Devnet.
+	client := clients.GetDevnetRpcClient()
+
+	// Configure wallets
+
+	// Issuer
+	fmt.Println("⏳ Setting up credential issuer wallet...")
+	issuer, err := wallet.New(crypto.ED25519())
+	if err != nil {
+		fmt.Printf("❌ Error creating issuer wallet: %s\n", err)
+		return
+	}
+
+	err = client.FundWallet(&issuer)
+	if err != nil {
+		fmt.Printf("❌ Error funding issuer wallet: %s\n", err)
+		return
+	}
+	fmt.Printf("✅ Issuer wallet funded: %s\n", issuer.ClassicAddress)
+
+	// -----------------------------------------------------
+
+	// Subject (destination)
+	fmt.Println("⏳ Setting up Subject wallet...")
+	subjectWallet, err := wallet.New(crypto.ED25519())
+	if err != nil {
+		fmt.Printf("❌ Error creating subject wallet: %s\n", err)
+		return
+	}
+
+	err = client.FundWallet(&subjectWallet)
+	if err != nil {
+		fmt.Printf("❌ Error funding subject wallet: %s\n", err)
+		return
+	}
+	fmt.Printf("✅ Subject wallet funded: %s\n", subjectWallet.ClassicAddress)
+
+	// -----------------------------------------------------
+
+	// Creating the CredentialCreate transaction
+	fmt.Println("⏳ Creating CredentialCreate transaction...")
+
+	expiration, err := rippleTime.IsoTimeToRippleTime(time.Now().Add(time.Hour * 24).Format(time.RFC3339))
+	credentialType := types.CredentialType("6D795F63726564656E7469616C")
+
+	if err != nil {
+		fmt.Printf("❌ Error converting expiration to ripple time: %s\n", err)
+		return
+	}
+
+	txn := &transaction.CredentialCreate{
+		BaseTx: transaction.BaseTx{
+			Account: types.Address(issuer.ClassicAddress),
+		},
+		CredentialType: credentialType,
+		Subject:        types.Address(subjectWallet.ClassicAddress),
+		Expiration:     uint32(expiration),
+		URI:            hex.EncodeToString([]byte("https://example.com")),
+	}
+
+	clients.SubmitTxBlobAndWait(client, txn, issuer)
+
+	// -----------------------------------------------------
+
+	// Creating the CredentialAccept transaction
+	fmt.Println("⏳ Creating CredentialAccept transaction...")
+
+	acceptTxn := &transaction.CredentialAccept{
+		BaseTx: transaction.BaseTx{
+			Account: types.Address(subjectWallet.ClassicAddress),
+		},
+		CredentialType: credentialType,
+		Issuer:         types.Address(issuer.ClassicAddress),
+	}
+
+	clients.SubmitTxBlobAndWait(client, acceptTxn, subjectWallet)
+
+	// -----------------------------------------------------
+
+	// Creating the CredentialDelete transaction
+	fmt.Println("⏳ Creating CredentialDelete transaction...")
+
+	deleteTxn := &transaction.CredentialDelete{
+		BaseTx: transaction.BaseTx{
+			Account: types.Address(issuer.ClassicAddress),
+		},
+		CredentialType: credentialType,
+		Issuer:         types.Address(issuer.ClassicAddress),
+		Subject:        types.Address(subjectWallet.ClassicAddress),
+	}
+
+	clients.SubmitTxBlobAndWait(client, deleteTxn, issuer)
+}