multi: fix dropped errors

aezeed/cipherseed.go

@@ -349,7 +349,7 @@ func cipherTextToMnemonic(cipherText [EncipheredCipherSeedSize]byte) (Mnemonic,
 	for i := 0; i < NummnemonicWords; i++ {
 		index, err := cipherBits.ReadBits(bitsPerWord)
 		if err != nil {
-			return words, nil
+			return Mnemonic{}, err
 		}
 
 		words[i] = defaultWordList[index]
@@ -366,7 +366,7 @@ func (c *CipherSeed) ToMnemonic(pass []byte) (Mnemonic, error) {
 	// with our KDF salt appended to it.
 	cipherText, err := c.encipher(pass)
 	if err != nil {
-		return Mnemonic{}, nil
+		return Mnemonic{}, err
 	}
 
 	// Now that we have our cipher text, we'll convert it into a mnemonic

chanbackup/single.go

@@ -276,12 +276,12 @@ func readRemoteKeyDesc(r io.Reader) (keychain.KeyDescriptor, error) {
 
 	_, err := io.ReadFull(r, pub[:])
 	if err != nil {
-		return keyDesc, nil
+		return keychain.KeyDescriptor{}, err
 	}
 
 	keyDesc.PubKey, err = btcec.ParsePubKey(pub[:], btcec.S256())
 	if err != nil {
-		return keyDesc, nil
+		return keychain.KeyDescriptor{}, err
 	}
 
 	keyDesc.PubKey.Curve = nil

contractcourt/briefcase.go

@@ -961,7 +961,7 @@ func decodeIncomingResolution(r io.Reader, h *lnwallet.IncomingHtlcResolution) e
 
 func encodeOutgoingResolution(w io.Writer, o *lnwallet.OutgoingHtlcResolution) error {
 	if err := binary.Write(w, endian, o.Expiry); err != nil {
-		return nil
+		return err
 	}
 
 	if o.SignedTimeoutTx == nil {
@@ -979,7 +979,7 @@ func encodeOutgoingResolution(w io.Writer, o *lnwallet.OutgoingHtlcResolution) e
 	}
 
 	if err := binary.Write(w, endian, o.CsvDelay); err != nil {
-		return nil
+		return err
 	}
 	if _, err := w.Write(o.ClaimOutpoint.Hash[:]); err != nil {
 		return err

htlcswitch/decayedlog.go

@@ -9,7 +9,7 @@ import (
 	"sync/atomic"
 
 	"github.com/coreos/bbolt"
-	"github.com/lightningnetwork/lightning-onion"
+	sphinx "github.com/lightningnetwork/lightning-onion"
 	"github.com/lightningnetwork/lnd/chainntnfs"
 )
 
@@ -237,7 +237,7 @@ func (d *DecayedLog) gcExpiredHashes(height uint32) (uint32, error) {
 		return nil
 	})
 	if err != nil {
-		return 0, nil
+		return 0, err
 	}
 
 	return numExpiredHashes, nil

rpcserver.go

@@ -4461,7 +4461,7 @@ func (r *rpcServer) FeeReport(ctx context.Context,
 		for {
 			timeSlice, err := fwdEventLog.Query(query)
 			if err != nil {
-				return 0, nil
+				return 0, err
 			}
 
 			// If the timeslice is empty, then we'll return as

zpay32/invoice.go

@@ -1052,7 +1052,7 @@ func writeTaggedFields(bufferBase32 *bytes.Buffer, invoice *Invoice) error {
 		pubKeyBase32, err := bech32.ConvertBits(
 			invoice.Destination.SerializeCompressed(), 8, 5, true)
 		if err != nil {
-			return nil
+			return err
 		}
 
 		if len(pubKeyBase32) != pubKeyBase32Len {