Extract ParseDescriptorRange

So as to be consistently informative when the checks fail, and
to protect against unintentional divergence among the checks.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index d35f458b2e..53f8dfebaa 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -2224,8 +2224,7 @@ UniValue scantxoutset(const JSONRPCRequest& request)
                 desc_str = desc_uni.get_str();
                 UniValue range_uni = find_value(scanobject, "range");
                 if (!range_uni.isNull()) {
-                    range = ParseRange(range_uni);
-                    if (range.first < 0 || (range.second >> 31) != 0 || range.second >= range.first + 1000000) throw JSONRPCError(RPC_INVALID_PARAMETER, "range out of range");
+                    range = ParseDescriptorRange(range_uni);
                 }
             } else {
                 throw JSONRPCError(RPC_INVALID_PARAMETER, "Scan object needs to be either a string or an object");