Files
xrpl-dev-portal/_code-samples/credential/go/rpc/main.go
2025-07-23 10:51:03 +02:00

110 lines
3.4 KiB
Go

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)
}