stax: add UI implementation
This commit is contained in:
Clement Bouvet
committed by
Alexandre Paillier
Alexandre Paillier
parent
b275067f47
commit
be029c642d
235
src_nbgl/ui_approve_tx.c
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235
src_nbgl/ui_approve_tx.c
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@@ -0,0 +1,235 @@
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#include <nbgl_page.h>
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#include "shared_context.h"
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#include "ui_callbacks.h"
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#include "ui_nbgl.h"
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#include "network.h"
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#include "plugins.h"
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// 1 more than actually displayed on screen, because of calculations in StaticReview
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#define MAX_PLUGIN_ITEMS_PER_SCREEN 4
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#define TAG_MAX_LEN 43
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#define VALUE_MAX_LEN 79
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enum {
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REJECT_TOKEN,
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START_REVIEW_TOKEN,
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};
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static nbgl_layoutTagValue_t tlv;
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// these buffers are used as circular
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static char title_buffer[MAX_PLUGIN_ITEMS_PER_SCREEN][TAG_MAX_LEN];
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static char msg_buffer[MAX_PLUGIN_ITEMS_PER_SCREEN][VALUE_MAX_LEN];
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static char transaction_type[100];
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static nbgl_layoutTagValueList_t useCaseTagValueList;
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static nbgl_pageInfoLongPress_t infoLongPress;
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struct tx_approval_context_t {
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bool fromPlugin;
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bool blindSigning;
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bool displayNetwork;
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};
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static struct tx_approval_context_t tx_approval_context;
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static void reviewContinueCommon(void);
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static void reviewReject(void) {
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io_seproxyhal_touch_tx_cancel(NULL);
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}
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static void confirmTransation(void) {
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io_seproxyhal_touch_tx_ok(NULL);
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}
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static void onConfirmAbandon(void) {
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nbgl_useCaseStatus("Transaction rejected", false, reviewReject);
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}
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static void rejectTransactionQuestion(void) {
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nbgl_useCaseConfirm("Reject transaction?",
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NULL,
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"Yes, reject",
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"Go back to transaction",
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onConfirmAbandon);
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}
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static void reviewChoice(bool confirm) {
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if (confirm) {
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nbgl_useCaseStatus("TRANSACTION\nSIGNED", true, confirmTransation);
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} else {
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rejectTransactionQuestion();
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}
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}
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// called by NBGL to get the tag/value pair corresponding to pairIndex
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static nbgl_layoutTagValue_t *getTagValuePair(uint8_t pairIndex) {
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static int counter = 0;
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if (tx_approval_context.fromPlugin) {
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if (pairIndex < dataContext.tokenContext.pluginUiMaxItems) {
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// for the next dataContext.tokenContext.pluginUiMaxItems items, get tag/value from
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// plugin_ui_get_item_internal()
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dataContext.tokenContext.pluginUiCurrentItem = pairIndex;
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plugin_ui_get_item_internal((uint8_t *) title_buffer[counter],
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TAG_MAX_LEN,
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(uint8_t *) msg_buffer[counter],
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VALUE_MAX_LEN);
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tlv.item = title_buffer[counter];
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tlv.value = msg_buffer[counter];
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} else {
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pairIndex -= dataContext.tokenContext.pluginUiMaxItems;
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// for the last 1 (or 2), tags are fixed
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if (tx_approval_context.displayNetwork && (pairIndex == 0)) {
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tlv.item = "Network";
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tlv.value = strings.common.network_name;
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} else {
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tlv.item = "Max fees";
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tlv.value = strings.common.maxFee;
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}
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}
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} else {
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// if displayNonce is false, we skip index 2
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if ((pairIndex > 1) && (!N_storage.displayNonce)) {
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pairIndex++;
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}
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switch (pairIndex) {
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case 0:
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tlv.item = "Amount";
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tlv.value = strings.common.fullAmount;
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break;
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case 1:
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tlv.item = "Address";
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tlv.value = strings.common.fullAddress;
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break;
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case 2:
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tlv.item = "Nonce";
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tlv.value = strings.common.nonce;
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break;
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case 3:
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tlv.item = "Max fees";
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tlv.value = strings.common.maxFee;
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break;
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case 4:
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tlv.item = "Network";
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tlv.value = strings.common.network_name;
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break;
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}
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}
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// counter is used as index to circular buffer
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counter++;
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if (counter == MAX_PLUGIN_ITEMS_PER_SCREEN) {
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counter = 0;
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}
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return &tlv;
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}
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static void pageCallback(int token, uint8_t index) {
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(void) index;
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nbgl_pageRelease(pageContext);
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if (token == REJECT_TOKEN) {
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reviewReject();
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} else if (token == START_REVIEW_TOKEN) {
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reviewContinueCommon();
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}
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}
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static void reviewContinue(void) {
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if (tx_approval_context.blindSigning) {
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nbgl_pageInfoDescription_t info = {
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.centeredInfo.icon = &C_round_warning_64px,
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.centeredInfo.text1 = "Blind Signing",
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.centeredInfo.text2 =
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"This transaction cannot be\nsecurely interpreted by Ledger\nStax. It might put "
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"your assets\nat risk.",
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.centeredInfo.text3 = NULL,
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.centeredInfo.style = LARGE_CASE_INFO,
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.centeredInfo.offsetY = -32,
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.footerText = "Reject transaction",
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.footerToken = REJECT_TOKEN,
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.tapActionText = "Tap to continue",
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.tapActionToken = START_REVIEW_TOKEN,
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.topRightStyle = NO_BUTTON_STYLE,
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.actionButtonText = NULL,
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.tuneId = TUNE_TAP_CASUAL};
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if (pageContext != NULL) {
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nbgl_pageRelease(pageContext);
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pageContext = NULL;
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}
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pageContext = nbgl_pageDrawInfo(&pageCallback, NULL, &info);
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} else {
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reviewContinueCommon();
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}
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}
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static void reviewContinueCommon(void) {
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uint8_t nbPairs = 0;
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if (tx_approval_context.fromPlugin) {
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// plugin id + max items + fees
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nbPairs += dataContext.tokenContext.pluginUiMaxItems + 1;
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if (tx_approval_context.displayNetwork) {
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nbPairs++;
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}
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} else {
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nbPairs += 3;
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if (N_storage.displayNonce) {
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nbPairs++;
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}
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if (tx_approval_context.displayNetwork) {
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nbPairs++;
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}
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}
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useCaseTagValueList.pairs = NULL;
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useCaseTagValueList.callback = getTagValuePair;
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useCaseTagValueList.startIndex = 0;
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useCaseTagValueList.nbPairs = nbPairs; ///< number of pairs in pairs array
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useCaseTagValueList.smallCaseForValue = false;
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useCaseTagValueList.wrapping = false;
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infoLongPress.icon = get_app_chain_icon();
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infoLongPress.text = tx_approval_context.fromPlugin ? transaction_type : "Review transaction";
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infoLongPress.longPressText = "Hold to sign";
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nbgl_useCaseStaticReview(&useCaseTagValueList,
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&infoLongPress,
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"Reject transaction",
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reviewChoice);
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}
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static void buildFirstPage(void) {
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if (tx_approval_context.fromPlugin) {
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plugin_ui_get_id();
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SPRINTF(transaction_type,
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"Review %s\ntransaction:\n%s",
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strings.common.fullAddress,
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strings.common.fullAmount);
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nbgl_useCaseReviewStart(get_app_chain_icon(),
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transaction_type,
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NULL,
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"Reject transaction",
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reviewContinue,
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rejectTransactionQuestion);
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} else {
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nbgl_useCaseReviewStart(get_app_chain_icon(),
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"Review transaction",
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NULL,
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"Reject transaction",
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reviewContinue,
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rejectTransactionQuestion);
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}
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}
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void ux_approve_tx(bool fromPlugin) {
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tx_approval_context.blindSigning =
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!fromPlugin && tmpContent.txContent.dataPresent && !N_storage.contractDetails;
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tx_approval_context.fromPlugin = fromPlugin;
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tx_approval_context.displayNetwork = false;
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uint64_t chain_id = get_tx_chain_id();
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if (chainConfig->chainId == ETHEREUM_MAINNET_CHAINID && chain_id != chainConfig->chainId) {
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tx_approval_context.displayNetwork = true;
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}
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buildFirstPage();
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}
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