gistfile1.diff

diff --git a/waddrmgr/internal_test.go b/waddrmgr/internal_test.go
index 2868772..8a5bfe1 100644
--- a/waddrmgr/internal_test.go
+++ b/waddrmgr/internal_test.go
@@ -186,3 +189,10 @@ func TestDecryptExtendedKeyCannotCreateResultKey(t *testing.T) {
 		}
 	}
 }
+
+func RunWithReplacedManagerCryptoKeyScript(vp *VotingPool, cryptoKey EncryptorDecryptor, fn func()) {
+	orig := vp.manager.cryptoKeyScript
+	vp.manager.cryptoKeyScript = cryptoKey
+	fn()
+	vp.manager.cryptoKeyScript = orig
+}
diff --git a/waddrmgr/pool_test.go b/waddrmgr/pool_test.go
index 0369af8..46084f7 100644
--- a/waddrmgr/pool_test.go
+++ b/waddrmgr/pool_test.go
@@ -19,6 +19,7 @@ package waddrmgr_test
 import (
 	"bytes"
 	"encoding/hex"
+	"errors"
 	"fmt"
 	"io/ioutil"
 	"os"
@@ -248,6 +249,37 @@ func TestDepositScriptAddressForHardenedPubKey(t *testing.T) {
 	}
 }
 
+type FailingToEncryptCryptoKey struct {
+	waddrmgr.CryptoKey
+}
+
+func (c *FailingToEncryptCryptoKey) Encrypt(in []byte) ([]byte, error) {
+	return nil, errors.New("failed to encrypt")
+}
+
+func TestDepositScriptAddressFailureToEncrypt(t *testing.T) {
+	tearDown, _, pool := setUp(t)
+	defer tearDown()
+	if err := pool.CreateSeries(0, []string{pubKey0, pubKey1, pubKey2}, 2); err != nil {
+		t.Fatalf("Cannot creates series")
+	}
+
+	var err error
+	waddrmgr.RunWithReplacedManagerCryptoKeyScript(
+		pool, &FailingToEncryptCryptoKey{}, func() {
+			_, err = pool.DepositScriptAddress(0, 0, uint32(1))
+		})
+
+	if err == nil {
+		t.Fatalf("Expected an error, got none")
+	} else {
+		rerr := err.(waddrmgr.ManagerError)
+		if waddrmgr.ErrCrypto != rerr.ErrorCode {
+			t.Errorf("Expected ErrCrypto, got %v", rerr.ErrorCode)
+		}
+	}
+}
+
 func TestCreateVotingPool(t *testing.T) {
 	tearDown, mgr, pool := setUp(t)
 	defer tearDown()