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-rw-r--r--src/rpc/rawtransaction_util.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/rpc/rawtransaction_util.cpp b/src/rpc/rawtransaction_util.cpp
index e05f28347f..f1d176ba4d 100644
--- a/src/rpc/rawtransaction_util.cpp
+++ b/src/rpc/rawtransaction_util.cpp
@@ -309,6 +309,9 @@ UniValue SignTransaction(CMutableTransaction& mtx, const SigningProvider* keysto
if (serror == SCRIPT_ERR_INVALID_STACK_OPERATION) {
// Unable to sign input and verification failed (possible attempt to partially sign).
TxInErrorToJSON(txin, vErrors, "Unable to sign input, invalid stack size (possibly missing key)");
+ } else if (serror == SCRIPT_ERR_SIG_NULLFAIL) {
+ // Verification failed (possibly due to insufficient signatures).
+ TxInErrorToJSON(txin, vErrors, "CHECK(MULTI)SIG failing with non-zero signature (possibly need more signatures)");
} else {
TxInErrorToJSON(txin, vErrors, ScriptErrorString(serror));
}