minor optimization, skipping v1 plots after they are completely phased-out

chia/harvester/harvester_api.py

@@ -398,6 +398,11 @@ class HarvesterAPI:
                     )
                     passed += 1
                 else:
+                    constants = self.harvester.constants
+                    # after the phase-out, ignore v1 plots
+                    if new_challenge.last_tx_height >= constants.HARD_FORK2_HEIGHT + constants.PLOT_V1_PHASE_OUT:
+                        continue
+
                     passed += 1
                     awaitables.append(lookup_challenge(try_plot_filename, try_plot_info))
             self.harvester.log.debug(f"new_signage_point_harvester {passed} plots passed the plot filter")

chia/simulator/block_tools.py

@@ -1553,6 +1553,8 @@ class BlockTools:
                         f"cannot be used for farming: {plot_info.prover.get_filename()}"
                     )
                     continue
+            elif prev_transaction_b_height >= constants.HARD_FORK2_HEIGHT + constants.PLOT_V1_PHASE_OUT:
+                continue
 
             new_challenge: bytes32 = calculate_pos_challenge(plot_id, challenge_hash, signage_point)