add solana address from rand

testutil/sample/crypto.go

@@ -2,6 +2,8 @@ package sample
 
 import (
 	"crypto/ecdsa"
+	cryptoed25519 "crypto/ed25519"
+
 	"math/big"
 	"math/rand"
 	"strconv"
@@ -108,13 +110,31 @@ func SolanaPrivateKey(t *testing.T) solana.PrivateKey {
 	return privKey
 }
 
+func SolanaPrivateKeyFromRand(r *rand.Rand) (solana.PrivateKey, error) {
+	pub, priv, err := cryptoed25519.GenerateKey(r)
+	if err != nil {
+		return nil, err
+	}
+	var publicKey cryptoed25519.PublicKey
+	copy(publicKey[:], pub)
+	return solana.PrivateKey(priv), nil
+}
+
 // SolanaAddress returns a sample solana address
 func SolanaAddress(t *testing.T) string {
 	privKey, err := solana.NewRandomPrivateKey()
 	require.NoError(t, err)
 	return privKey.PublicKey().String()
 }
 
+func SolanaAddressFromRand(r *rand.Rand) (string, error) {
+	privKey, err := SolanaPrivateKeyFromRand(r)
+	if err != nil {
+		return "", err
+	}
+	return privKey.PublicKey().String(), nil
+}
+
 // SolanaSignature returns a sample solana signature
 func SolanaSignature(t *testing.T) solana.Signature {
 	// Generate a random keypair

x/crosschain/keeper/msg_server_whitelist_erc20_test.go

@@ -18,6 +18,11 @@ import (
 )
 
 func TestKeeper_WhitelistERC20(t *testing.T) {
+	r := sample.Rand()
+	firstTokenAddress, err := sample.SolanaAddressFromRand(r)
+	require.NoError(t, err)
+	secondTokenAddress, err := sample.SolanaAddressFromRand(r)
+	require.NoError(t, err)
 	tests := []struct {
 		name               string
 		tokenAddress       string
@@ -36,6 +41,12 @@ func TestKeeper_WhitelistERC20(t *testing.T) {
 			secondTokenAddress: sample.SolanaAddress(t),
 			chainID:            getValidSolanaChainID(),
 		},
+		{
+			name:               "can deploy and whitelist a spl",
+			tokenAddress:       firstTokenAddress,
+			secondTokenAddress: secondTokenAddress,
+			chainID:            getValidSolanaChainID(),
+		},
 	}
 
 	for _, tt := range tests {