feat: add keccak syscall support

.gitignore

@@ -38,11 +38,13 @@ target/
 # END AUTOGENERATED
 
 .env
-cairo1
-cairo2
+# the starting `/` assures this matches only on the repo's root
+/cairo1
+/cairo2
+
 starknet-venv/
 **/*.json
-cairo_programs/cairo_1_contracts/*.sierra
+
 starknet_programs/cairo1/*.casm
 starknet_programs/cairo1/*.sierra
 starknet_programs/cairo2/*.casm
@@ -55,5 +57,5 @@ __pycache__/
 # codecov report
 lcov.info
 .rusty-hook.toml
-!starknet_programs/raw_contract_classes/*.json
+!/starknet_programs/raw_contract_classes/*.json
 cairo-*.tar

Cargo.toml

@@ -38,6 +38,8 @@ serde_json = { version = "1.0", features = [
     "raw_value",
 ] }
 sha3 = "0.10.1"
+# TODO: Replace with sha3. We should look how to integrate it correctly to calculate sn_keccak
+keccak = "0.1.3" 
 starknet_api = { workspace = true }
 starknet-crypto = "0.5.1"
 thiserror = { workspace = true }

src/definitions/constants.rs

@@ -63,6 +63,7 @@ lazy_static! {
             ("ec_op_builtin".to_string(), N_STEPS_FEE_WEIGHT * 1024.0),
             ("poseidon_builtin".to_string(), N_STEPS_FEE_WEIGHT * 32.0),
             ("segment_arena_builtin".to_string(), N_STEPS_FEE_WEIGHT * 10.0),
+            ("keccak_builtin".to_string(), N_STEPS_FEE_WEIGHT * 2048.0), // 2**11
     ]);
     pub static ref DEFAULT_SEQUENCER_ADDRESS: Address = Address(felt_str!(
         "3711666a3506c99c9d78c4d4013409a87a962b7a0880a1c24af9fe193dafc01",