core/txpool: make transaction validation reusable across packages (pools) (#27429)

* core/txpool: abstraction prep work for secondary pools (blob pool)

* core/txpool: leave subpool concepts to a followup pr

* les: fix tests using hard coded errors

* core/txpool: use bitmaps instead of maps for tx type filtering

cmd/geth/main.go

@@ -419,7 +419,7 @@ func startNode(ctx *cli.Context, stack *node.Node, backend ethapi.Backend, isCon
 		}
 		// Set the gas price to the limits from the CLI and start mining
 		gasprice := flags.GlobalBig(ctx, utils.MinerGasPriceFlag.Name)
-		ethBackend.TxPool().SetGasPrice(gasprice)
+		ethBackend.TxPool().SetGasTip(gasprice)
 		if err := ethBackend.StartMining(); err != nil {
 			utils.Fatalf("Failed to start mining: %v", err)
 		}