Files
app-ethereum/src_features/signMessageEIP712/context_712.c
2022-10-17 11:44:28 +02:00

79 lines
1.7 KiB
C

#ifdef HAVE_EIP712_FULL_SUPPORT
#include <string.h>
#include <stdint.h>
#include "context_712.h"
#include "mem.h"
#include "mem_utils.h"
#include "sol_typenames.h"
#include "path.h"
#include "field_hash.h"
#include "ui_logic.h"
#include "typed_data.h"
#include "apdu_constants.h" // APDU response codes
#include "shared_context.h" // reset_app_context
#include "common_ui.h" // ui_idle
e_struct_init struct_state = NOT_INITIALIZED;
s_eip712_context *eip712_context = NULL;
/**
* Initialize the EIP712 context
*
* @return a boolean indicating if the initialization was successful or not
*/
bool eip712_context_init(void) {
// init global variables
mem_init();
if ((eip712_context = MEM_ALLOC_AND_ALIGN_TYPE(*eip712_context)) == NULL) {
apdu_response_code = APDU_RESPONSE_INSUFFICIENT_MEMORY;
return false;
}
if (sol_typenames_init() == false) {
return false;
}
if (path_init() == false) {
return false;
}
if (field_hash_init() == false) {
return false;
}
if (ui_712_init() == false) {
return false;
}
if (typed_data_init() == false) // this needs to be initialized last !
{
return false;
}
// Since they are optional, they might not be provided by the JSON data
explicit_bzero(eip712_context->contract_addr, sizeof(eip712_context->contract_addr));
eip712_context->chain_id = 0;
struct_state = NOT_INITIALIZED;
return true;
}
/**
* De-initialize the EIP712 context
*/
void eip712_context_deinit(void) {
typed_data_deinit();
path_deinit();
field_hash_deinit();
ui_712_deinit();
mem_reset();
eip712_context = NULL;
reset_app_context();
ui_idle();
}
#endif