130 lines
4.4 KiB
C
130 lines
4.4 KiB
C
/*****************************************************************************
|
|
* Ledger Plugin SDK
|
|
* (c) 2023 Ledger SAS
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*****************************************************************************/
|
|
|
|
#include "eth_plugin_interface.h"
|
|
#include "lib_standard_app/swap_lib_calls.h" // RUN_APPLICATION
|
|
|
|
// Functions implemented by the plugin
|
|
void handle_init_contract(ethPluginInitContract_t *parameters);
|
|
void handle_provide_parameter(ethPluginProvideParameter_t *parameters);
|
|
void handle_finalize(ethPluginFinalize_t *parameters);
|
|
void handle_provide_token(ethPluginProvideInfo_t *parameters);
|
|
void handle_query_contract_id(ethQueryContractID_t *parameters);
|
|
void handle_query_contract_ui(ethQueryContractUI_t *parameters);
|
|
|
|
// Calls the ethereum app.
|
|
static void call_app_ethereum() {
|
|
unsigned int libcall_params[5];
|
|
libcall_params[0] = (unsigned int) "Ethereum";
|
|
libcall_params[1] = 0x100;
|
|
libcall_params[2] = RUN_APPLICATION;
|
|
libcall_params[3] = (unsigned int) NULL;
|
|
#ifdef HAVE_NBGL
|
|
caller_app_t capp;
|
|
const char name[] = APPNAME;
|
|
nbgl_icon_details_t icon_details;
|
|
uint8_t bitmap[sizeof(ICONBITMAP)];
|
|
|
|
memcpy(&icon_details, &ICONGLYPH, sizeof(ICONGLYPH));
|
|
memcpy(&bitmap, &ICONBITMAP, sizeof(bitmap));
|
|
icon_details.bitmap = (const uint8_t *) bitmap;
|
|
capp.name = (const char *) name;
|
|
capp.icon = &icon_details;
|
|
libcall_params[4] = (unsigned int) &capp;
|
|
#else
|
|
libcall_params[4] = (unsigned int) NULL;
|
|
#endif
|
|
os_lib_call((unsigned int *) &libcall_params);
|
|
}
|
|
|
|
// Function to dispatch calls from the ethereum app.
|
|
static void dispatch_call(int message, void *parameters) {
|
|
if (parameters != NULL) {
|
|
switch (message) {
|
|
case ETH_PLUGIN_INIT_CONTRACT:
|
|
handle_init_contract(parameters);
|
|
break;
|
|
case ETH_PLUGIN_PROVIDE_PARAMETER:
|
|
handle_provide_parameter(parameters);
|
|
break;
|
|
case ETH_PLUGIN_FINALIZE:
|
|
handle_finalize(parameters);
|
|
break;
|
|
case ETH_PLUGIN_PROVIDE_INFO:
|
|
handle_provide_token(parameters);
|
|
break;
|
|
case ETH_PLUGIN_QUERY_CONTRACT_ID:
|
|
handle_query_contract_id(parameters);
|
|
break;
|
|
case ETH_PLUGIN_QUERY_CONTRACT_UI:
|
|
handle_query_contract_ui(parameters);
|
|
break;
|
|
default:
|
|
PRINTF("Unhandled message %d\n", message);
|
|
break;
|
|
}
|
|
} else {
|
|
PRINTF("Received null parameters\n");
|
|
}
|
|
}
|
|
|
|
// Low-level main for plugins.
|
|
__attribute__((section(".boot"))) int main(int arg0) {
|
|
// Exit critical section
|
|
__asm volatile("cpsie i");
|
|
|
|
os_boot();
|
|
|
|
BEGIN_TRY {
|
|
TRY {
|
|
// Check if plugin is called from the dashboard.
|
|
if (!arg0) {
|
|
// Called from dashboard, launch Ethereum app
|
|
call_app_ethereum();
|
|
|
|
// Will not get reached.
|
|
__builtin_unreachable();
|
|
|
|
os_sched_exit(-1);
|
|
|
|
} else {
|
|
// Not called from dashboard: called from the ethereum app!
|
|
const unsigned int *args = (unsigned int *) arg0;
|
|
|
|
// If `ETH_PLUGIN_CHECK_PRESENCE` is set, this means the caller is just trying to
|
|
// know whether this app exists or not. We can skip `paraswap_plugin_call`.
|
|
if (args[0] != ETH_PLUGIN_CHECK_PRESENCE) {
|
|
dispatch_call(args[0], (void *) args[1]);
|
|
}
|
|
}
|
|
|
|
// Call `os_lib_end`, go back to the ethereum app.
|
|
os_lib_end();
|
|
|
|
// Will not get reached.
|
|
__builtin_unreachable();
|
|
}
|
|
CATCH_OTHER(e) {
|
|
PRINTF("Exiting following exception: %d\n", e);
|
|
}
|
|
FINALLY {
|
|
os_lib_end();
|
|
}
|
|
}
|
|
END_TRY;
|
|
}
|