Create solana-poh and move remaining rpc modules to solana-rpc (#17698)

* Create solana-poh crate

* Move BigTableUploadService to solana-ledger

* Add solana-rpc to workspace

* Move dependencies to solana-rpc

* Move remaining rpc modules to solana-rpc

* Single use statement solana-poh

* Single use statement solana-rpc

poh/benches/poh_verify.rs

@@ -0,0 +1,52 @@
+#![feature(test)]
+extern crate test;
+
+use {
+    solana_ledger::entry::{next_entry_mut, Entry, EntrySlice},
+    solana_sdk::{
+        hash::{hash, Hash},
+        signature::{Keypair, Signer},
+        system_transaction,
+    },
+    test::Bencher,
+};
+
+const NUM_HASHES: u64 = 400;
+const NUM_ENTRIES: usize = 800;
+
+#[bench]
+fn bench_poh_verify_ticks(bencher: &mut Bencher) {
+    solana_logger::setup();
+    let zero = Hash::default();
+    let start_hash = hash(&zero.as_ref());
+    let mut cur_hash = start_hash;
+
+    let mut ticks: Vec<Entry> = Vec::with_capacity(NUM_ENTRIES);
+    for _ in 0..NUM_ENTRIES {
+        ticks.push(next_entry_mut(&mut cur_hash, NUM_HASHES, vec![]));
+    }
+
+    bencher.iter(|| {
+        assert!(ticks.verify(&start_hash));
+    })
+}
+
+#[bench]
+fn bench_poh_verify_transaction_entries(bencher: &mut Bencher) {
+    let zero = Hash::default();
+    let start_hash = hash(&zero.as_ref());
+    let mut cur_hash = start_hash;
+
+    let keypair1 = Keypair::new();
+    let pubkey1 = keypair1.pubkey();
+
+    let mut ticks: Vec<Entry> = Vec::with_capacity(NUM_ENTRIES);
+    for _ in 0..NUM_ENTRIES {
+        let tx = system_transaction::transfer(&keypair1, &pubkey1, 42, cur_hash);
+        ticks.push(next_entry_mut(&mut cur_hash, NUM_HASHES, vec![tx]));
+    }
+
+    bencher.iter(|| {
+        assert!(ticks.verify(&start_hash));
+    })
+}