Updated to use the latest plugin SDK

src/main.c → src/contract.c

@@ -15,14 +15,7 @@
  *  limitations under the License.
  ********************************************************************************/
 
-#include <stdbool.h>
 #include <stdint.h>
-#include <string.h>
-
-#include "os.h"
-#include "cx.h"
-#include "glyphs.h"
-
 #include "staderlabs_plugin.h"
 
 // List of selectors supported by this plugin.
@@ -137,119 +130,3 @@ const uint32_t STADERLABS_SELECTORS[NUM_SELECTORS] = {
     ETHX_REQUEST_WITHDRAW_SELECTOR,
     ETHX_CLAIM_SELECTOR,
 };
-
-// Function to dispatch calls from the ethereum app.
-void dispatch_plugin_calls(int message, void *parameters) {
-    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;
-    }
-}
-
-void handle_query_ui_exception(unsigned int *args) {
-    switch (args[0]) {
-        case ETH_PLUGIN_QUERY_CONTRACT_UI:
-            ((ethQueryContractUI_t *) args[1])->result = ETH_PLUGIN_RESULT_ERROR;
-            break;
-        default:
-            break;
-    }
-}
-
-// Calls the ethereum app.
-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;
-    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 = 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);
-}
-
-// Weird low-level black magic. No need to edit this.
-__attribute__((section(".boot"))) int main(int arg0) {
-    // Exit critical section
-    __asm volatile("cpsie i");
-
-    // Ensure exception will work as planned
-    os_boot();
-
-    // Try catch block. Please read the docs for more information on how to use those!
-    BEGIN_TRY {
-        TRY {
-            // Low-level black magic.
-            check_api_level(CX_COMPAT_APILEVEL);
-
-            // Check if we are called from the dashboard.
-            if (!arg0) {
-                // Called from dashboard, launch Ethereum app
-                call_app_ethereum();
-                return 0;
-            } else {
-                // Not called from dashboard: called from the ethereum app!
-                const unsigned int *args = (const 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 `dispatch_plugin_calls`.
-                if (args[0] != ETH_PLUGIN_CHECK_PRESENCE) {
-                    dispatch_plugin_calls(args[0], (void *) args[1]);
-                }
-            }
-        }
-        CATCH_OTHER(e) {
-            switch (e) {
-                // These exceptions are only generated on handle_query_contract_ui()
-                case 0x6502:
-                case EXCEPTION_OVERFLOW:
-                    handle_query_ui_exception((unsigned int *) arg0);
-                    break;
-                default:
-                    break;
-            }
-            PRINTF("Exception 0x%x caught\n", e);
-        }
-        FINALLY {
-            // Call `os_lib_end`, go back to the ethereum app.
-            os_lib_end();
-        }
-    }
-    END_TRY;
-
-    // Will not get reached.
-    return 0;
-}

src/handle_finalize.c

@@ -1,7 +1,6 @@
 #include "staderlabs_plugin.h"
 
-void handle_finalize(void *parameters) {
-    ethPluginFinalize_t *msg = (ethPluginFinalize_t *) parameters;
+void handle_finalize(ethPluginFinalize_t *msg) {
     context_t *context = (context_t *) msg->pluginContext;
 
     switch (context->selectorIndex) {

src/handle_init_contract.c

@@ -11,10 +11,7 @@ static int find_selector(uint32_t selector, const uint32_t *selectors, size_t n,
 }
 
 // Called once to init.
-void handle_init_contract(void *parameters) {
-    // Cast the msg to the type of structure we expect (here, ethPluginInitContract_t).
-    ethPluginInitContract_t *msg = (ethPluginInitContract_t *) parameters;
-
+void handle_init_contract(ethPluginInitContract_t *msg) {
     // Make sure we are running a compatible version.
     if (msg->interfaceVersion != ETH_PLUGIN_INTERFACE_VERSION_LATEST) {
         // If not the case, return the `UNAVAILABLE` status.

src/handle_provide_parameter.c

@@ -75,8 +75,7 @@ static void handle_ethx_request_withdraw(ethPluginProvideParameter_t *msg, conte
     }
 }
 
-void handle_provide_parameter(void *parameters) {
-    ethPluginProvideParameter_t *msg = (ethPluginProvideParameter_t *) parameters;
+void handle_provide_parameter(ethPluginProvideParameter_t *msg) {
     context_t *context = (context_t *) msg->pluginContext;
     // We use `%.*H`: it's a utility function to print bytes. You first give
     // the number of bytes you wish to print (in this case, `PARAMETER_LENGTH`) and then
@@ -125,4 +124,4 @@ void handle_provide_parameter(void *parameters) {
             msg->result = ETH_PLUGIN_RESULT_ERROR;
             break;
     }
-}
+}

src/handle_provide_token.c

@@ -3,7 +3,6 @@
 // EDIT THIS: Adapt this function to your needs! Remember, the information for tokens are held in
 // `msg->token1` and `msg->token2`. If those pointers are `NULL`, this means the ethereum app didn't
 // find any info regarding the requested tokens!
-void handle_provide_token(void *parameters) {
-    ethPluginProvideInfo_t *msg = (ethPluginProvideInfo_t *) parameters;
+void handle_provide_token(ethPluginProvideInfo_t *msg) {
     msg->result = ETH_PLUGIN_RESULT_OK;
 }

src/handle_query_contract_id.c

@@ -1,8 +1,7 @@
 #include "staderlabs_plugin.h"
 
 // Sets the first screen to display.
-void handle_query_contract_id(void *parameters) {
-    ethQueryContractID_t *msg = (ethQueryContractID_t *) parameters;
+void handle_query_contract_id(ethQueryContractID_t *msg) {
     const context_t *context = (const context_t *) msg->pluginContext;
     // msg->name will be the upper sentence displayed on the screen.
     // msg->version will be the lower sentence displayed on the screen.
@@ -45,4 +44,4 @@ void handle_query_contract_id(void *parameters) {
 
     strlcpy(msg->version, msgVersion, msg->versionLength);
     msg->result = ETH_PLUGIN_RESULT_OK;
-}
+}