core/types, params: add blob transaction type, RLP encoded for now (#27049)

* core/types, params: add blob transaction type, RLP encoded for now

* all: integrate Cancun (and timestamp based forks) into MakeSigner

* core/types: fix 2 back-and-forth type refactors

* core: fix review comment

* core/types: swap blob tx type id to 0x03

core/txpool/txpool.go

@@ -606,6 +606,10 @@ func (pool *TxPool) validateTxBasics(tx *types.Transaction, local bool) error {
 	if !pool.eip1559.Load() && tx.Type() == types.DynamicFeeTxType {
 		return core.ErrTxTypeNotSupported
 	}
+	// Reject blob transactions forever, those will have their own pool.
+	if tx.Type() == types.BlobTxType {
+		return core.ErrTxTypeNotSupported
+	}
 	// Reject transactions over defined size to prevent DOS attacks
 	if tx.Size() > txMaxSize {
 		return ErrOversizedData