Add getConfirmedSignaturesForAddress2 RPC method (bp #11259) (#11393)

* Add getConfirmedSignaturesForAddress2 RPC method

(cherry picked from commit 1b2276520b)

# Conflicts:
#	core/src/rpc.rs

* Reimplement transaction-history command with getConfirmedSignaturesForAddress2

(cherry picked from commit 087fd32ce3)

* Rework get_confirmed_signatures_for_address2

(cherry picked from commit a11f137810)

* Rename startAfter to before

(cherry picked from commit 02c0981ecf)

* rebase

Co-authored-by: Michael Vines <mvines@gmail.com>

cli/src/cli.rs

@@ -246,8 +246,8 @@ pub enum CliCommand {
     },
     TransactionHistory {
         address: Pubkey,
-        end_slot: Option<Slot>,  // None == latest slot
-        slot_limit: Option<u64>, // None == search full history
+        before: Option<Signature>,
+        limit: usize,
     },
     // Nonce commands
     AuthorizeNonceAccount {
@@ -1837,9 +1837,9 @@ pub fn process_command(config: &CliConfig) -> ProcessResult {
         } => process_show_validators(&rpc_client, config, *use_lamports_unit, *commitment_config),
         CliCommand::TransactionHistory {
             address,
-            end_slot,
-            slot_limit,
-        } => process_transaction_history(&rpc_client, address, *end_slot, *slot_limit),
+            before,
+            limit,
+        } => process_transaction_history(&rpc_client, config, address, *before, *limit),
 
         // Nonce Commands