Extern functions

• felt252_div

• blake2s_compress

• blake2s_finalize

• null

• match_nullable

• ec_point_unwrap

• u128_overflowing_add

• u128_overflowing_sub

• u128_sqrt

• u128_safe_divmod

• u128_byte_reverse

• u8_overflowing_add

• u8_overflowing_sub

• u8_wide_mul

• u8_sqrt

• u8_safe_divmod

• u16_overflowing_add

• u16_overflowing_sub

• u16_wide_mul

• u16_sqrt

• u16_safe_divmod

• u32_overflowing_add

• u32_overflowing_sub

• u32_wide_mul

• u32_sqrt

• u32_safe_divmod

• u64_overflowing_add

• u64_overflowing_sub

• u64_wide_mul

• u64_sqrt

• u64_safe_divmod

• u256_sqrt

• i8_wide_mul

• i8_diff

• i16_wide_mul

• i16_diff

• i32_wide_mul

• i32_diff

• i64_wide_mul

• i64_diff

• i128_diff

• withdraw_gas

• withdraw_gas_all

• redeposit_gas

• get_builtin_costs

• panic

• pedersen

• hades_permutation

• starknet::contract_address::contract_address_const

• storage_base_address_const

• storage_base_address_from_felt252

• storage_address_from_base_and_offset

• storage_address_from_base

• call_contract_syscall

• deploy_syscall

• emit_event_syscall

• get_block_hash_syscall

• get_execution_info_syscall

• get_execution_info_v2_syscall

• library_call_syscall

• send_message_to_l1_syscall

• storage_read_syscall

• storage_write_syscall

• replace_class_syscall

• get_class_hash_at_syscall

• keccak_syscall

• sha256_process_block_syscall

• starknet::contract_address::contract_address_const

• class_hash_const

• cheatcode

• revoke_ap_tracking

• require_implicit

• get_available_gas

• get_unspent_gas