Files
app-ethereum/src_nbgl/ui_sign_message.c
2024-07-18 18:13:46 +02:00

130 lines
3.9 KiB
C

#include <nbgl_page.h>
#include "shared_context.h"
#include "ui_callbacks.h"
#include "ui_nbgl.h"
#include "sign_message.h"
#include "glyphs.h"
#include "nbgl_use_case.h"
#include "common_ui.h"
#include "ui_message_signing.h"
#include "ui_signing.h"
#define TEXT_REVIEW_EIP191 REVIEW(TEXT_MESSAGE)
#define TEXT_SIGN_EIP191 SIGN(TEXT_MESSAGE)
typedef enum {
UI_191_ACTION_IDLE = 0,
UI_191_ACTION_ADVANCE_IN_MESSAGE,
UI_191_ACTION_GO_TO_SIGN
} e_ui_191_action;
static e_ui_191_action g_action;
static nbgl_contentTagValue_t pair;
static nbgl_contentTagValueList_t tagValueList;
static uint32_t eip191MessageIdx = 0;
static uint32_t stringsTmpTmpIdx = 0;
static void reject_message(void) {
io_seproxyhal_touch_signMessage_cancel();
}
static void sign_message(void) {
io_seproxyhal_touch_signMessage_ok();
}
static void ui_191_finish_cb(bool confirm) {
if (confirm) {
nbgl_useCaseReviewStatus(STATUS_TYPE_MESSAGE_SIGNED, sign_message);
} else {
nbgl_useCaseReviewStatus(STATUS_TYPE_MESSAGE_REJECTED, reject_message);
}
}
static void ui_191_skip_cb(void) {
nbgl_useCaseReviewStreamingFinish(TEXT_SIGN_EIP191, ui_191_finish_cb);
}
static void getTagValues(void) {
uint16_t len = 0;
bool reached;
strncpy(g_stax_shared_buffer + eip191MessageIdx,
strings.tmp.tmp + stringsTmpTmpIdx,
SHARED_BUFFER_SIZE - eip191MessageIdx);
reached = nbgl_getTextMaxLenInNbLines(LARGE_MEDIUM_FONT,
(char *) g_stax_shared_buffer,
SCREEN_WIDTH - (2 * BORDER_MARGIN),
NB_MAX_LINES_IN_REVIEW,
&len,
false);
stringsTmpTmpIdx = len - eip191MessageIdx;
eip191MessageIdx = len;
g_stax_shared_buffer[eip191MessageIdx] = '\0';
if (!reached && eip191MessageIdx < SHARED_BUFFER_SIZE) {
stringsTmpTmpIdx = 0;
question_switcher();
} else if (reached || eip191MessageIdx == SHARED_BUFFER_SIZE) {
eip191MessageIdx = 0;
}
pair.value = g_stax_shared_buffer;
pair.item = "Message";
tagValueList.nbPairs = 1;
tagValueList.pairs = &pair;
tagValueList.smallCaseForValue = false;
tagValueList.nbMaxLinesForValue = NB_MAX_LINES_IN_REVIEW;
tagValueList.wrapping = false;
}
static void ui_191_data_cb(bool more) {
if (more) {
switch (g_action) {
case UI_191_ACTION_IDLE:
g_action = UI_191_ACTION_ADVANCE_IN_MESSAGE;
__attribute__((fallthrough));
case UI_191_ACTION_ADVANCE_IN_MESSAGE:
getTagValues();
nbgl_useCaseReviewStreamingContinueExt(&tagValueList,
ui_191_data_cb,
ui_191_skip_cb);
break;
case UI_191_ACTION_GO_TO_SIGN:
nbgl_useCaseReviewStreamingFinish(TEXT_SIGN_EIP191, ui_191_finish_cb);
break;
}
} else {
ui_191_finish_cb(false);
}
}
void ui_191_start(void) {
g_action = UI_191_ACTION_IDLE;
eip191MessageIdx = 0;
stringsTmpTmpIdx = 0;
nbgl_useCaseReviewStreamingStart(TYPE_MESSAGE | SKIPPABLE_OPERATION,
&C_Review_64px,
TEXT_REVIEW_EIP191,
NULL,
ui_191_data_cb);
}
void ui_191_switch_to_message(void) {
// Get following part of the message
getTagValues();
}
void ui_191_switch_to_sign(void) {
g_action = UI_191_ACTION_GO_TO_SIGN;
// Next callback must display the hold to approve screen
}
void ui_191_switch_to_question(void) {
// No question mechanism on Stax: Always display the next message chunk.
continue_displaying_message();
}