all: activate pbss as experimental feature (#26274)

* all: activate pbss

* core/rawdb: fix compilation error

* cma, core, eth, les, trie: address comments

* cmd, core, eth, trie: polish code

* core, cmd, eth: address comments

* cmd, core, eth, les, light, tests: address comment

* cmd/utils: shorten log message

* trie/triedb/pathdb: limit node buffer size to 1gb

* cmd/utils: fix opening non-existing db

* cmd/utils: rename flag name

* cmd, core: group chain history flags and fix tests

* core, eth, trie: fix memory leak in snapshot generation

* cmd, eth, internal: deprecate flags

* all: enable state tests for pathdb, fixes

* cmd, core: polish code

* trie/triedb/pathdb: limit the node buffer size to 256mb

---------

Co-authored-by: Martin Holst Swende <martin@swende.se>
Co-authored-by: Péter Szilágyi <peterke@gmail.com>

miner/miner_test.go

@@ -288,8 +288,9 @@ func createMiner(t *testing.T) (*Miner, *event.TypeMux, func(skipMiner bool)) {
 	}
 	// Create chainConfig
 	chainDB := rawdb.NewMemoryDatabase()
+	triedb := trie.NewDatabase(chainDB, nil)
 	genesis := minerTestGenesisBlock(15, 11_500_000, common.HexToAddress("12345"))
-	chainConfig, _, err := core.SetupGenesisBlock(chainDB, trie.NewDatabase(chainDB), genesis)
+	chainConfig, _, err := core.SetupGenesisBlock(chainDB, triedb, genesis)
 	if err != nil {
 		t.Fatalf("can't create new chain config: %v", err)
 	}
@@ -300,7 +301,7 @@ func createMiner(t *testing.T) (*Miner, *event.TypeMux, func(skipMiner bool)) {
 	if err != nil {
 		t.Fatalf("can't create new chain %v", err)
 	}
-	statedb, _ := state.New(types.EmptyRootHash, state.NewDatabase(chainDB), nil)
+	statedb, _ := state.New(bc.Genesis().Root(), bc.StateCache(), nil)
 	blockchain := &testBlockChain{chainConfig, statedb, 10000000, new(event.Feed)}
 
 	pool := legacypool.New(testTxPoolConfig, blockchain)