diff --git a/src/rpcrawtransaction.cpp b/src/rpcrawtransaction.cpp index 57cba15ecf..56a49fd4d3 100644 --- a/src/rpcrawtransaction.cpp +++ b/src/rpcrawtransaction.cpp @@ -428,6 +428,8 @@ Value signrawtransaction(const Array& params, bool fHelp) throw JSONRPCError(-8, "Invalid sighash param"); } + bool fHashSingle = ((nHashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_SINGLE); + // Sign what we can: for (unsigned int i = 0; i < mergedTx.vin.size(); i++) { @@ -440,7 +442,9 @@ Value signrawtransaction(const Array& params, bool fHelp) const CScript& prevPubKey = mapPrevOut[txin.prevout]; txin.scriptSig.clear(); - SignSignature(keystore, prevPubKey, mergedTx, i, nHashType); + // Only sign SIGHASH_SINGLE if there's a corresponding output: + if (!fHashSingle || (i < mergedTx.vout.size())) + SignSignature(keystore, prevPubKey, mergedTx, i, nHashType); // ... and merge in other signatures: BOOST_FOREACH(const CTransaction& txv, txVariants)