NewMemKeystore

func NewMemKeystore() *MemKeystore

package main
 
import (
	"fmt"
	"math/big"
 
	"github.com/NethermindEth/juno/core/felt"
	"github.com/NethermindEth/starknet.go/account"
)
 
func main() {
	// Create a new empty MemKeystore
	ks := account.NewMemKeystore()
 
	fmt.Println("Created new empty MemKeystore")
 
	// Generate a test key pair (simplified for demo)
	privKeyFelt, _ := new(felt.Felt).SetRandom()
	bytes := privKeyFelt.Bytes()
	privKey := new(big.Int).SetBytes(bytes[:])
 
	// For this demo, we'll use a simple public key representation
	pubKey := "0x1234567890abcdef"
 
	fmt.Printf("\nTest key pair:")
	fmt.Printf("Public Key:  %s\n", pubKey)
	fmt.Printf("Private Key: %s\n", privKey)
 
	// Try to get a key that doesn't exist
	fmt.Println("\nAttempting to get non-existent key:")
	_, err := ks.Get("0x9999")
	if err != nil {
		fmt.Printf("Error (expected): %v\n", err)
	}
 
	// Add the key to the keystore
	fmt.Println("\nAdding key to keystore:")
	ks.Put(pubKey, privKey)
	fmt.Println("Key added successfully")
 
	// Retrieve the key
	fmt.Println("\nRetrieving key from keystore:")
	retrieved, err := ks.Get(pubKey)
	if err != nil {
		fmt.Printf("Error: %v\n", err)
	} else {
		fmt.Printf("Retrieved key: %s\n", retrieved)
		fmt.Printf("Key retrieved successfully: %v\n", retrieved != nil)
	}
 
	// Add another key
	fmt.Println("\nAdding another key:")
	pubKey2 := "0xfedcba0987654321"
	privKey2 := new(big.Int).SetUint64(999999)
	ks.Put(pubKey2, privKey2)
	fmt.Printf("Added key with public key: %s\n", pubKey2)
 
	// Retrieve the second key
	retrieved2, err := ks.Get(pubKey2)
	if err != nil {
		fmt.Printf("Error: %v\n", err)
	} else {
		fmt.Printf("Retrieved second key: %s\n", retrieved2)
	}
}

Created new empty MemKeystore
 
Test key pair:Public Key:  0x1234567890abcdef
Private Key: 2311629583598576741398893932306457942980556261936134184524512141092578034099
 
Attempting to get non-existent key:
Error (expected): error getting key for sender 0x9999: sender does not exist
 
Adding key to keystore:
Key added successfully
 
Retrieving key from keystore:
Retrieved key: 2311629583598576741398893932306457942980556261936134184524512141092578034099
Key retrieved successfully: true
 
Adding another key:
Added key with public key: 0xfedcba0987654321
Retrieved second key: 999999