Files
app-ethereum/src/swap_lib_calls.h
2023-07-04 12:24:20 +02:00

84 lines
2.5 KiB
C

#pragma once
/* This file is the shared API between Exchange and the apps started in Library mode for Exchange
*
* DO NOT MODIFY THIS FILE IN APPLICATIONS OTHER THAN EXCHANGE
* On modification in Exchange, forward the changes to all applications supporting Exchange
*/
#include "stdbool.h"
#include "chainConfig.h"
#include "shared_context.h"
#include "stdint.h"
#define RUN_APPLICATION 1
#define SIGN_TRANSACTION 2
#define CHECK_ADDRESS 3
#define GET_PRINTABLE_AMOUNT 4
/*
* Amounts are stored as bytes, with a max size of 16 (see protobuf
* specifications). Max 16B integer is 340282366920938463463374607431768211455
* in decimal, which is a 32-long char string.
* The printable amount also contains spaces, the ticker symbol (with variable
* size, up to 12 in Ethereum for instance) and a terminating null byte, so 50
* bytes total should be a fair maximum.
*/
#define MAX_PRINTABLE_AMOUNT_SIZE 50
// structure that should be send to specific coin application to get address
typedef struct check_address_parameters_s {
// IN
uint8_t *coin_configuration;
uint8_t coin_configuration_length;
// serialized path, segwit, version prefix, hash used, dictionary etc.
// fields and serialization format depends on specific coin app
uint8_t *address_parameters;
uint8_t address_parameters_length;
char *address_to_check;
char *extra_id_to_check;
// OUT
int result;
} check_address_parameters_t;
// structure that should be send to specific coin application to get printable amount
typedef struct get_printable_amount_parameters_s {
// IN
uint8_t *coin_configuration;
uint8_t coin_configuration_length;
uint8_t *amount;
uint8_t amount_length;
bool is_fee;
// OUT
char printable_amount[MAX_PRINTABLE_AMOUNT_SIZE];
} get_printable_amount_parameters_t;
typedef struct create_transaction_parameters_s {
// IN
uint8_t *coin_configuration;
uint8_t coin_configuration_length;
uint8_t *amount;
uint8_t amount_length;
uint8_t *fee_amount;
uint8_t fee_amount_length;
char *destination_address;
char *destination_address_extra_id;
// OUT
uint8_t result;
} create_transaction_parameters_t;
typedef struct libargs_s {
unsigned int id;
unsigned int command;
chain_config_t *chain_config;
union {
check_address_parameters_t *check_address;
create_transaction_parameters_t *create_transaction;
get_printable_amount_parameters_t *get_printable_amount;
caller_app_t *caller_app;
};
} libargs_t;