add sha256 syscall (#12569)

runtime/src/feature_set.rs

@@ -33,6 +33,10 @@ pub mod compute_budget_config2 {
     solana_sdk::declare_id!("HxvjqDSiF5sYdSYuCXsUnS8UeAoWsMT9iGoFP8pgV1mB");
 }
 
+pub mod sha256_syscall_enabled {
+    solana_sdk::declare_id!("D7KfP7bZxpkYtD4Pc38t9htgs1k5k47Yhxe4rp6WDVi8");
+}
+
 lazy_static! {
     /// Map of feature identifiers to user-visible description
     pub static ref FEATURE_NAMES: HashMap<Pubkey, &'static str> = [
@@ -43,6 +47,7 @@ lazy_static! {
         (spl_token_v2_multisig_fix::id(), "spl-token multisig fix"),
         (bpf_loader2_program::id(), "bpf_loader2 program"),
         (compute_budget_config2::id(), "1ms compute budget"),
+        (sha256_syscall_enabled::id(), "sha256 syscall")
         /*************** ADD NEW FEATURES HERE ***************/
     ]
     .iter()

runtime/src/message_processor.rs

@@ -427,6 +427,8 @@ impl MessageProcessor {
                 create_program_address_units: 0,
                 invoke_units: 0,
                 max_invoke_depth: 2,
+                sha256_base_cost: 0,
+                sha256_byte_cost: 0,
             }
         }
     }

runtime/src/process_instruction.rs

@@ -87,6 +87,10 @@ pub struct ComputeBudget {
     pub invoke_units: u64,
     /// Maximum cross-program invocation depth allowed including the orignal caller
     pub max_invoke_depth: usize,
+    /// Base number of compute units consumed to call sha256
+    pub sha256_base_cost: u64,
+    /// Incremental number of units consumed by sha256 (based on bytes)
+    pub sha256_byte_cost: u64,
 }
 impl Default for ComputeBudget {
     fn default() -> Self {
@@ -98,6 +102,8 @@ impl Default for ComputeBudget {
             create_program_address_units: 1500,
             invoke_units: 1000,
             max_invoke_depth: 2,
+            sha256_base_cost: 85,
+            sha256_byte_cost: 1,
         }
     }
 }