Require a public key to be retrieved when signing a P2PKH input

If we do not have the public key for a P2PKH input, we should not
continue to attempt to sign for it.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/script/sign.cpp b/src/script/sign.cpp
index 89cc7c808c..68ceea7e6f 100644
--- a/src/script/sign.cpp
+++ b/src/script/sign.cpp
@@ -123,7 +123,7 @@ static bool SignStep(const SigningProvider& provider, const BaseSignatureCreator
     case TX_PUBKEYHASH: {
         CKeyID keyID = CKeyID(uint160(vSolutions[0]));
         CPubKey pubkey;
-        GetPubKey(provider, sigdata, keyID, pubkey);
+        if (!GetPubKey(provider, sigdata, keyID, pubkey)) return false;
         if (!CreateSig(creator, sigdata, provider, sig, pubkey, scriptPubKey, sigversion)) return false;
         ret.push_back(std::move(sig));
         ret.push_back(ToByteVector(pubkey));