Merge #17999: refactor: Add ChainClient setMockTime, getWallets methods

3ce16ad2f9 refactor: Use psbt forward declaration (Russell Yanofsky)
1dde238f2c Add ChainClient setMockTime, getWallets methods (Russell Yanofsky)

Pull request description:

  This PR is part of the [process separation project](https://github.com/bitcoin/bitcoin/projects/10).

  These changes are needed to set mock times, and get wallet interface pointers correctly when
  wallet code is running in a different process from node code in #10102

ACKs for top commit:
  MarcoFalke:
    re-ACK 3ce16ad2f9 🔙
  promag:
    Code review ACK 3ce16ad2f9.

Tree-SHA512: 6c093bfcd68adf5858a1aade4361cdb7fb015496673504ac7a93d0bd2595215047184551d6fd526baa27782331cd2819ce45c4cf923b205ce93ac29e485b5dd8

src/rpc/misc.cpp

@@ -4,6 +4,7 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <httpserver.h>
+#include <interfaces/chain.h>
 #include <key_io.h>
 #include <node/context.h>
 #include <outputtype.h>
@@ -363,7 +364,13 @@ static UniValue setmocktime(const JSONRPCRequest& request)
     LOCK(cs_main);
 
     RPCTypeCheck(request.params, {UniValue::VNUM});
-    SetMockTime(request.params[0].get_int64());
+    int64_t time = request.params[0].get_int64();
+    SetMockTime(time);
+    if (g_rpc_node) {
+        for (const auto& chain_client : g_rpc_node->chain_clients) {
+            chain_client->setMockTime(time);
+        }
+    }
 
     return NullUniValue;
 }