Files
app-ethereum/src/handle_swap_sign_transaction.c
2021-08-03 12:01:58 +02:00

82 lines
2.8 KiB
C

#include "handle_swap_sign_transaction.h"
#include "usbd_core.h"
#include "ux.h"
#include "shared_context.h"
#include "utils.h"
bool copy_transaction_parameters(create_transaction_parameters_t* sign_transaction_params,
chain_config_t* config) {
// first copy parameters to stack, and then to global data.
// We need this "trick" as the input data position can overlap with app-ethereum globals
txStringProperties_t stack_data;
memset(&stack_data, 0, sizeof(stack_data));
strlcpy(stack_data.fullAddress,
sign_transaction_params->destination_address,
sizeof(stack_data.fullAddress));
if ((stack_data.fullAddress[sizeof(stack_data.fullAddress) - 1] != '\0') ||
(sign_transaction_params->amount_length > 32) ||
(sign_transaction_params->fee_amount_length > 8)) {
return false;
}
uint8_t decimals;
char ticker[MAX_TICKER_LEN];
if (!parse_swap_config(sign_transaction_params->coin_configuration,
sign_transaction_params->coin_configuration_length,
ticker,
&decimals)) {
PRINTF("Error while parsing config\n");
return false;
}
amountToString(sign_transaction_params->amount,
sign_transaction_params->amount_length,
decimals,
ticker,
stack_data.fullAmount,
sizeof(stack_data.fullAmount));
// If the amount is a fee, its value is nominated in ETH even if we're doing an ERC20 swap
strlcpy(ticker, config->coinName, MAX_TICKER_LEN);
decimals = WEI_TO_ETHER;
amountToString(sign_transaction_params->fee_amount,
sign_transaction_params->fee_amount_length,
decimals,
ticker,
stack_data.maxFee,
sizeof(stack_data.maxFee));
memcpy(&strings.common, &stack_data, sizeof(stack_data));
return true;
}
void handle_swap_sign_transaction(chain_config_t* config) {
chainConfig = config;
reset_app_context();
called_from_swap = true;
io_seproxyhal_init();
if (N_storage.initialized != 0x01) {
internalStorage_t storage;
storage.dataAllowed = 0x00;
storage.contractDetails = 0x00;
storage.initialized = 0x01;
storage.displayNonce = 0x00;
storage.contractDetails = 0x00;
nvm_write((void*) &N_storage, (void*) &storage, sizeof(internalStorage_t));
}
UX_INIT();
USB_power(0);
USB_power(1);
// ui_idle();
PRINTF("USB power ON/OFF\n");
#ifdef TARGET_NANOX
// grab the current plane mode setting
G_io_app.plane_mode = os_setting_get(OS_SETTING_PLANEMODE, NULL, 0);
#endif // TARGET_NANOX
#ifdef HAVE_BLE
BLE_power(0, NULL);
BLE_power(1, "Nano X");
#endif // HAVE_BLE
app_main();
}