[secp256r1] Add CU costs (#3826)

* add secp256r1 to `builtins-default-costs`

* add secp256r1 to `cost-model`

* cargo lock

* update cost

* add secp256r1 behind feature gate in the cost model

* rekey secp256r1 precompile feature key

* remove default builtin costs for `secp256r1_program`

* cargo lock

cost-model/src/block_cost_limits.rs

@@ -14,6 +14,8 @@ pub const SECP256K1_VERIFY_COST: u64 = COMPUTE_UNIT_TO_US_RATIO * 223;
 pub const ED25519_VERIFY_COST: u64 = COMPUTE_UNIT_TO_US_RATIO * 76;
 /// Number of compute units for one ed25519 strict signature verification.
 pub const ED25519_VERIFY_STRICT_COST: u64 = COMPUTE_UNIT_TO_US_RATIO * 80;
+/// Number of compute units for one secp256r1 signature verification.
+pub const SECP256R1_VERIFY_COST: u64 = COMPUTE_UNIT_TO_US_RATIO * 160;
 /// Number of compute units for one write lock
 pub const WRITE_LOCK_UNITS: u64 = COMPUTE_UNIT_TO_US_RATIO * 10;
 /// Number of data bytes per compute units

cost-model/src/cost_model.rs

@@ -163,6 +163,13 @@ impl CostModel {
                 ED25519_VERIFY_COST
             };
 
+        let secp256r1_verify_cost =
+            if feature_set.is_active(&feature_set::enable_secp256r1_precompile::id()) {
+                SECP256R1_VERIFY_COST
+            } else {
+                0
+            };
+
         signatures_count_detail
             .num_transaction_signatures()
             .saturating_mul(SIGNATURE_COST)
@@ -176,6 +183,11 @@ impl CostModel {
                     .num_ed25519_instruction_signatures()
                     .saturating_mul(ed25519_verify_cost),
             )
+            .saturating_add(
+                signatures_count_detail
+                    .num_secp256r1_instruction_signatures()
+                    .saturating_mul(secp256r1_verify_cost),
+            )
     }
 
     fn get_writable_accounts(message: &impl SVMMessage) -> impl Iterator<Item = &Pubkey> {

cost-model/src/cost_tracker.rs

@@ -76,6 +76,7 @@ pub struct CostTracker {
     /// the tracker, but are still waiting for an update with actual usage or
     /// removal if the transaction does not end up getting committed.
     in_flight_transaction_count: usize,
+    secp256r1_instruction_signature_count: u64,
 }
 
 impl Default for CostTracker {
@@ -102,6 +103,7 @@ impl Default for CostTracker {
             secp256k1_instruction_signature_count: 0,
             ed25519_instruction_signature_count: 0,
             in_flight_transaction_count: 0,
+            secp256r1_instruction_signature_count: 0,
         }
     }
 }
@@ -261,6 +263,11 @@ impl CostTracker {
                 self.in_flight_transaction_count,
                 i64
             ),
+            (
+                "secp256r1_instruction_signature_count",
+                self.secp256r1_instruction_signature_count,
+                i64
+            )
         );
     }
 
@@ -339,6 +346,10 @@ impl CostTracker {
             self.ed25519_instruction_signature_count,
             tx_cost.num_ed25519_instruction_signatures()
         );
+        saturating_add_assign!(
+            self.secp256r1_instruction_signature_count,
+            tx_cost.num_secp256r1_instruction_signatures()
+        );
         self.add_transaction_execution_cost(tx_cost, tx_cost.sum())
     }
 
@@ -358,6 +369,9 @@ impl CostTracker {
         self.ed25519_instruction_signature_count = self
             .ed25519_instruction_signature_count
             .saturating_sub(tx_cost.num_ed25519_instruction_signatures());
+        self.secp256r1_instruction_signature_count = self
+            .secp256r1_instruction_signature_count
+            .saturating_sub(tx_cost.num_secp256r1_instruction_signatures());
     }
 
     /// Apply additional actual execution units to cost_tracker

cost-model/src/transaction_cost.rs

@@ -135,6 +135,16 @@ impl<Tx: StaticMeta> TransactionCost<'_, Tx> {
                 .num_ed25519_instruction_signatures(),
         }
     }
+
+    pub fn num_secp256r1_instruction_signatures(&self) -> u64 {
+        match self {
+            Self::SimpleVote { .. } => 0,
+            Self::Transaction(usage_cost) => usage_cost
+                .transaction
+                .signature_details()
+                .num_secp256r1_instruction_signatures(),
+        }
+    }
 }
 
 // costs are stored in number of 'compute unit's

sdk/feature-set/src/lib.rs

@@ -893,7 +893,7 @@ pub mod disable_account_loader_special_case {
 }
 
 pub mod enable_secp256r1_precompile {
-    solana_pubkey::declare_id!("sr11RdZWgbHTHxSroPALe6zgaT5A1K9LcE4nfsZS4gi");
+    solana_pubkey::declare_id!("sryYyFwxzJop1Bh9XpyiVWjZP4nfHExiqNp3Dh71W9i");
 }
 
 pub mod accounts_lt_hash {