feat(tests): STAKING precompile (stubs) with tests

src/ethereum/forks/monad_eight/vm/precompiled_contracts/mapping.py

@@ -33,6 +33,7 @@
     POINT_EVALUATION_ADDRESS,
     RIPEMD160_ADDRESS,
     SHA256_ADDRESS,
+    STAKING_ADDRESS,
 )
 from .alt_bn128 import alt_bn128_add, alt_bn128_mul, alt_bn128_pairing_check
 from .blake2f import blake2f
@@ -54,6 +55,7 @@
 from .point_evaluation import point_evaluation
 from .ripemd160 import ripemd160
 from .sha256 import sha256
+from .staking import staking
 
 PRE_COMPILED_CONTRACTS: Dict[Address, Callable] = {
     ECRECOVER_ADDRESS: ecrecover,
@@ -74,4 +76,5 @@
     BLS12_MAP_FP_TO_G1_ADDRESS: bls12_map_fp_to_g1,
     BLS12_MAP_FP2_TO_G2_ADDRESS: bls12_map_fp2_to_g2,
     P256VERIFY_ADDRESS: p256verify,
+    STAKING_ADDRESS: staking,
 }