Update contracts and get verifiersLen from SC

eth/client_test.go

@@ -3,15 +3,12 @@ package eth
 import (
 	"testing"
 
-	"github.com/ethereum/go-ethereum/ethclient"
 	"github.com/stretchr/testify/require"
 )
 
 func TestClientInterface(t *testing.T) {
-	ethClient, err := ethclient.Dial(ethClientDialURL)
-	require.Nil(t, err)
 	var c ClientInterface
-	client, _ := NewClient(ethClient, nil, nil, &ClientConfig{})
+	client := &Client{}
 	c = client
 	require.NotNil(t, c)
 }