Calling `*txoutset` calls in the console has been broken since #19056. The addition of the `RpcInterruptionPoint()` calls means that any user running the GUI without passing `-server`, will just see ["Shutting down"](https://github.com/bitcoin/bitcoin/blob/b33136b6ba9887f7db651c4c5264ca7f2f601df7/src/rpc/server.cpp#L325) printed to the console:

![console](https://user-images.githubusercontent.com/863730/84460760-55599a80-ac9d-11ea-8720-a718edde75dd.png)

cc @MarcoFalke 
{
    if (!context.Has<NodeContext>()) {
        throw JSONRPCError(RPC_INTERNAL_ERROR, "Node context not found");
    }
    return context.Get<NodeContext>();
}
CTxMemPool& EnsureMemPool(const util::Ref& context)
{
    NodeContext& node = EnsureNodeContext(context);
    if (!node.mempool) {
        throw JSONRPCError(RPC_CLIENT_MEMPOOL_DISABLED, "Mempool disabled or instance not found");
    }
    return *node.mempool;
}
ChainstateManager& EnsureChainman(const util::Ref& context)
{
    NodeContext& node = EnsureNodeContext(context);
    if (!node.chainman) {
        throw JSONRPCError(RPC_INTERNAL_ERROR, "Node chainman not found");
    }
    return *node.chainman;
}
/* Calculate the difficulty for a given block index.
 */
double GetDifficulty(const CBlockIndex* blockindex)