Feat:add get_last_restart_slot sysvar

Cargo.toml

@@ -75,6 +75,7 @@ solana-instruction = "3.2.0"
 solana-rent = "4.1.0"
 solana-clock = "3.0.1"
 solana-epoch-schedule = "3.0.0"
+solana-last-restart-slot = "3.0.0"
 sbpf-assembler = { path = "crates/assembler", version = "0.1.8" }
 sbpf-disassembler = { path = "crates/disassembler", version = "0.1.8" }
 sbpf-debugger = { path = "crates/debugger", version = "0.1.8" }

crates/common/src/syscalls.rs

@@ -19,6 +19,7 @@ pub const REGISTERED_SYSCALLS: &[&str] = &[
     "sol_get_epoch_schedule_sysvar",
     "sol_get_fees_sysvar",
     "sol_get_rent_sysvar",
+    "sol_get_last_restart_slot_sysvar",
     "sol_memcpy_",
     "sol_memmove_",
     "sol_memcmp_",

crates/debugger/Cargo.toml

@@ -27,6 +27,7 @@ solana-account = { workspace = true }
 solana-instruction = { workspace = true }
 solana-rent = { workspace = true }
 solana-clock = { workspace = true }
+solana-last-restart-slot = { workspace = true }
 solana-epoch-schedule = { workspace = true }
 sbpf-assembler = { workspace = true }
 sbpf-disassembler = { workspace = true }

crates/debugger/src/syscalls.rs

@@ -12,6 +12,7 @@ use {
     solana_address::Address,
     solana_clock::Clock,
     solana_epoch_schedule::EpochSchedule,
+    solana_last_restart_slot::LastRestartSlot,
     solana_rent::Rent,
     std::mem::size_of,
 };
@@ -27,6 +28,7 @@ pub struct DebuggerSyscallHandler {
     pub clock: Clock,
     pub rent: Rent,
     pub epoch_schedule: EpochSchedule,
+    pub last_restart_slot: LastRestartSlot,
 }
 
 impl DebuggerSyscallHandler {
@@ -37,6 +39,7 @@ impl DebuggerSyscallHandler {
             clock: Clock::default(),
             rent: Rent::default(),
             epoch_schedule: EpochSchedule::default(),
+            last_restart_slot: LastRestartSlot::default(),
         }
     }
 
@@ -445,6 +448,22 @@ impl DebuggerSyscallHandler {
         self.write_sysvar_bytes(memory, registers[0], &epoch_schedule)?;
         Ok(0)
     }
+
+    fn sol_get_last_restart_slot_sysvar(
+        &mut self,
+        registers: [u64; 5],
+        memory: &mut Memory,
+        compute: &ComputeMeter,
+    ) -> SbpfVmResult<u64> {
+        let cost = self
+            .costs
+            .sysvar_base_cost
+            .saturating_add(size_of::<LastRestartSlot>() as u64);
+        compute.consume(cost)?;
+        let last_restart_slot = self.last_restart_slot.clone();
+        self.write_sysvar_bytes(memory, registers[0], &last_restart_slot)?;
+        Ok(0)
+    }
 }
 
 impl SyscallHandler for DebuggerSyscallHandler {
@@ -492,6 +511,9 @@ impl SyscallHandler for DebuggerSyscallHandler {
             "sol_get_epoch_schedule_sysvar" => {
                 self.sol_get_epoch_schedule_sysvar(registers, memory, &compute)
             }
+            "sol_get_last_restart_slot_sysvar" => {
+                self.sol_get_last_restart_slot_sysvar(registers, memory, &compute)
+            }
 
             // Unknown syscall
             _ => {