| keccak_u128s_be | Computes the keccak256 of multiple uint128 values. The values are interpreted as big-endian. https://github.com/starkware-libs/cairo/blob/main/corelib/src/keccak.cairo… |
| u256_reverse_endian | Reverses the endianness of a u256 value…. |
| u8_array_to_u256 | Convert sha256 result(Array ) to u256… |
| u32s_to_u256 | Converts an array of 8 u32 values to a u256 value…. |
| u128_array_slice | Returns the slice of an array…. |
| u128_split | Split a u128 into two parts, 0, left_size-1 and left_size, end… |
| read_sub_u128 | Read sub value from u128 just like substr in other language… |
| u128_join | Join two u128 into one… |