Files
app-ethereum/src_features/signMessageEIP712/eip712.h

120 lines
2.9 KiB
C

#ifndef EIP712_H_
#define EIP712_H_
#include <stdbool.h>
#include <stdint.h>
enum {
OFFSET_CLA = 0,
OFFSET_INS,
OFFSET_P1,
OFFSET_P2,
OFFSET_LC,
OFFSET_DATA
};
typedef enum
{
// contract defined struct
TYPE_CUSTOM = 0,
// native types
TYPE_SOL_INT,
TYPE_SOL_UINT,
TYPE_SOL_ADDRESS,
TYPE_SOL_BOOL,
TYPE_SOL_STRING,
TYPE_SOL_BYTE,
TYPE_SOL_BYTES_FIX,
TYPE_SOL_BYTES_DYN,
TYPES_COUNT
} e_type;
typedef enum
{
ARRAY_DYNAMIC = 0,
ARRAY_FIXED_SIZE
} e_array_type;
typedef enum
{
IDX_ENUM = 0,
IDX_STR_IDX,
IDX_COUNT
} t_typename_matcher_idx;
#define MIN(a,b) ((a > b) ? b : a)
#define MAX(a,b) ((a > b) ? a : b)
// APDUs INS
#define INS_STRUCT_DEF 0x18
#define INS_STRUCT_IMPL 0x1A
// APDUs P1
#define P1_COMPLETE 0x00
#define P1_PARTIAL 0xFF
// APDUs P2
#define P2_NAME 0x00
#define P2_ARRAY 0x0F
#define P2_FIELD 0xFF
// TypeDesc masks
#define TYPE_MASK (0xF)
#define ARRAY_MASK (1 << 7)
#define TYPESIZE_MASK (1 << 6)
#define TYPENAME_ENUM (0xF)
// Solidity typenames array mask
#define TYPENAME_MORE_TYPE (1 << 7) // For custom typename
#define KECCAK256_HASH_LENGTH 32
typedef struct
{
uint16_t length;
char *str;
} t_string;
typedef struct
{
uint16_t size;
uint8_t *ptr;
} t_array;
typedef struct
{
t_string type;
t_string key;
uint8_t bytesize;
t_array array_levels;
} t_struct_field;
// TODO: Move these into a new file
const char *get_struct_name(const uint8_t *ptr, uint8_t *const length);
const uint8_t *get_struct_fields_array(const uint8_t *ptr,
uint8_t *const length);
const char *get_struct_field_typename(const uint8_t *ptr,
uint8_t *const length);
bool struct_field_has_typesize(const uint8_t *ptr);
uint8_t get_struct_field_typesize(const uint8_t *ptr);
bool struct_field_is_array(const uint8_t *ptr);
e_type struct_field_type(const uint8_t *ptr);
const uint8_t *get_struct_field_array_lvls_array(const uint8_t *ptr,
uint8_t *const length);
e_array_type struct_field_array_depth(const uint8_t *ptr,
uint8_t *const array_size);
const uint8_t *get_next_struct_field_array_lvl(const uint8_t *ptr);
const char *get_struct_field_typename(const uint8_t *ptr,
uint8_t *const length);
const char *get_struct_field_keyname(const uint8_t *ptr,
uint8_t *const length);
const uint8_t *get_next_struct_field_array_lvl(const uint8_t *ptr);
const uint8_t *get_next_struct_field(const void *ptr);
const uint8_t *get_structn(const uint8_t *const ptr,
const char *const name_ptr,
const uint8_t name_length);
#endif // EIP712_H_