[accelerator] add support for card on file acceleration

frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.html

@@ -389,13 +389,13 @@
                   </div>
                 }
               </div>
-              @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay) {
+              @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay || canPayWithCardOnFile) {
                 <div class="col-sm text-center flex-grow-0  d-flex flex-column justify-content-center align-items-center">
                   <p class="text-nowrap">&mdash;<span i18n="or">OR</span>&mdash;</p>
                 </div>
               }
             }
-            @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay) {
+            @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay || canPayWithCardOnFile) {
               <div class="col-sm text-center d-flex flex-column justify-content-center align-items-center">
                 <p><ng-container i18n="transaction.pay|Pay button label">Pay</ng-container>&nbsp;<app-fiat [value]="cost"></app-fiat> with</p>
                 @if (canPayWithCashapp) {
@@ -413,6 +413,13 @@
                     <img src="/resources/google-pay.png" height=37>
                   </div>
                 }
+                @if (canPayWithCardOnFile) {
+                  @if (canPayWithCashapp || canPayWithApplePay || canPayWithGooglePay) { <span class="mt-1 mb-1"></span> }
+                  <div class="paymentMethod mx-2 d-flex justify-content-center align-items-center" style="width: 200px; height: 55px" (click)="moveToStep('cardonfile')">
+                    <fa-icon style="font-size: 24px; color: white" [icon]="['fas', 'credit-card']"></fa-icon>
+                    <span class="ml-2" style="font-size: 22px">{{ estimate?.availablePaymentMethods?.cardOnFile?.card?.brand }} {{ estimate?.availablePaymentMethods?.cardOnFile?.card?.last_4 }}</span>
+                  </div>
+                }
               </div>
             }
           </div>
@@ -435,7 +442,7 @@
         <button type="button" class="mt-1 btn btn-secondary btn-sm rounded-pill align-self-center" style="width: 200px" (click)="moveToStep('summary')" i18n="go-back">Go back</button>
       </div>
     </div>
-  } @else if (step === 'cashapp' || step === 'applepay' || step === 'googlepay') {
+  } @else if (step === 'cashapp' || step === 'applepay' || step === 'googlepay' || step === 'cardonfile') {
     <!-- Show checkout page -->
     <div class="row mb-md-1 text-center" id="confirm-title">
       <div class="col-sm" id="confirm-payment-title">
@@ -451,7 +458,7 @@
       </div>
     </div>
 
-    @if (step === 'cashapp' && !loadingCashapp || step === 'applepay' && !loadingApplePay || step === 'googlepay' && !loadingGooglePay) {
+    @if (step === 'cashapp' && !loadingCashapp || step === 'applepay' && !loadingApplePay || step === 'googlepay' && !loadingGooglePay || step === 'cardonfile' && !loadingCardOnFile) {
       <div class="row text-center mt-1">
         <div class="col-sm">
           <div class="form-group w-100">
@@ -476,8 +483,13 @@
             <div id="cash-app-pay" class="d-inline-block" style="height: 50px" [style]="loadingCashapp ? 'opacity: 0; width: 0px; height: 0px; pointer-events: none;' : ''"></div>
           } @else if (step === 'googlepay') {
             <div id="google-pay-button" class="d-inline-block" style="height: 50px" [style]="loadingGooglePay ? 'opacity: 0; width: 0px; height: 0px; pointer-events: none;' : ''"></div>
+          } @else if (step === 'cardonfile') {
+            <div class="paymentMethod mx-2 d-flex justify-content-center align-items-center ml-auto mr-auto" style="width: 200px; height: 55px" (click)="requestCardOnFilePayment()" [style]="loadingCardOnFile ? 'opacity: 0; width: 0px; height: 0px; pointer-events: none;' : ''">
+              <fa-icon style="font-size: 24px; color: white" [icon]="['fas', 'credit-card']"></fa-icon>
+              <span class="ml-2" style="font-size: 22px">{{ estimate?.availablePaymentMethods?.cardOnFile?.card?.brand }} {{ estimate?.availablePaymentMethods?.cardOnFile?.card?.last_4 }}</span>
+            </div>
           }
-          @if (loadingCashapp || loadingApplePay || loadingGooglePay) {
+          @if (loadingCashapp || loadingApplePay || loadingGooglePay || loadingCardOnFile) {
           <div display="d-flex flex-row justify-content-center">
             <span i18n="accelerator.loading-payment-method">Loading payment method...</span>
             <div class="ml-2 spinner-border text-light" style="width: 25px; height: 25px"></div>

frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.ts

@@ -13,7 +13,7 @@ import { EnterpriseService } from '@app/services/enterprise.service';
 import { ApiService } from '@app/services/api.service';
 import { isDevMode } from '@angular/core';
 
-export type PaymentMethod = 'balance' | 'bitcoin' | 'cashapp' | 'applePay' | 'googlePay';
+export type PaymentMethod = 'balance' | 'bitcoin' | 'cashapp' | 'applePay' | 'googlePay' | 'cardOnFile';
 
 export type AccelerationEstimate = {
   hasAccess: boolean;
@@ -26,7 +26,7 @@ export type AccelerationEstimate = {
   mempoolBaseFee: number;
   vsizeFee: number;
   pools: number[];
-  availablePaymentMethods: Record<PaymentMethod, {min: number, max: number}>;
+  availablePaymentMethods: Record<PaymentMethod, {min: number, max: number, card?: {card_id: string, last_4: string, brand: string, name: string, billing: any}}>;
   unavailable?: boolean;
   options: { // recommended bid options
     fee: number; // recommended userBid in sats
@@ -49,7 +49,7 @@ export const MIN_BID_RATIO = 1;
 export const DEFAULT_BID_RATIO = 2;
 export const MAX_BID_RATIO = 4;
 
-type CheckoutStep = 'quote' | 'summary' | 'checkout' | 'cashapp' | 'applepay' | 'googlepay' | 'processing' | 'paid' | 'success';
+type CheckoutStep = 'quote' | 'summary' | 'checkout' | 'cashapp' | 'applepay' | 'googlepay' | 'cardonfile' | 'processing' | 'paid' | 'success';
 
 @Component({
   selector: 'app-accelerate-checkout',
@@ -65,6 +65,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   @Input() cashappEnabled: boolean = true;
   @Input() applePayEnabled: boolean = false;
   @Input() googlePayEnabled: boolean = true;
+  @Input() cardOnFileEnabled: boolean = true;
   @Input() advancedEnabled: boolean = false;
   @Input() forceMobile: boolean = false;
   @Input() showDetails: boolean = false;
@@ -117,6 +118,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   loadingCashapp = false;
   loadingApplePay = false;
   loadingGooglePay = false;
+  loadingCardOnFile = false;
   payments: any;
   cashAppPay: any;
   applePay: any;
@@ -234,6 +236,10 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
       this.loadingGooglePay = true;
       this.setupSquare();
       this.scrollToElementWithTimeout('confirm-title', 'center', 100);
+    } else if (this._step === 'cardonfile' && this.cardOnFileEnabled) {
+      this.loadingCardOnFile = true;
+      this.setupSquare();
+      this.scrollToElementWithTimeout('confirm-title', 'center', 100);
     } else if (this._step === 'paid') {
       this.timePaid = Date.now();
       this.timeoutTimer = setTimeout(() => {
@@ -454,6 +460,8 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
             await this.requestApplePayPayment();
           } else if (this._step === 'googlepay') {
             await this.requestGooglePayPayment();
+          } else if (this._step === 'cardonfile') {
+            this.loadingCardOnFile = false;
           }
         },
         error: () => {
@@ -710,6 +718,109 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
     );
   }
 
+  /**
+   * Card On File
+   */
+  async requestCardOnFilePayment(): Promise<void> {
+    if (this.processing) {
+      return;
+    }
+    if (this.conversionsSubscription) {
+      this.conversionsSubscription.unsubscribe();
+    }
+    
+    this.processing = true;
+    this.conversionsSubscription = this.stateService.conversions$.subscribe(
+      async (conversions) => {
+        this.conversions = conversions;
+
+        const costUSD = this.cost / 100_000_000 * conversions.USD;
+        if (this.isCheckoutLocked > 0) {
+          return;
+        }
+        const cardOnFile = this.estimate?.availablePaymentMethods?.cardOnFile;
+        if (!cardOnFile?.card) {
+          this.accelerateError = 'card_on_file_not_found';
+          return;
+        }
+        this.loadingCardOnFile = false;
+        
+        try {
+          this.isCheckoutLocked += 2;
+          this.isTokenizing += 2;
+          
+          const nameParts = cardOnFile.card.name.split(' ');
+          const assumedGivenName = nameParts[0];
+          const assumedFamilyName = nameParts.length > 1 ? nameParts[1] : undefined;
+          const verificationDetails = {
+            card: {
+              billing: {
+                givenName: assumedGivenName,
+                familyName: assumedFamilyName,
+                addressLines: [cardOnFile.card.billing.addressLine1],
+                city: cardOnFile.card.billing.locality,
+                state: cardOnFile.card.billing.administrativeDistrictLevel1,
+                countyCode: cardOnFile.card.billing.country,
+              }
+            }
+          };
+          const verificationToken = await this.$verifyBuyer(this.payments, cardOnFile.card.card_id, verificationDetails, costUSD.toFixed(2));
+          if (!verificationToken || !verificationToken.token) {
+            console.error(`SCA verification failed`);
+            this.accelerateError = 'SCA Verification Failed. Payment Declined.';
+            this.processing = false;
+            return;
+          }
+
+          this.servicesApiService.accelerateWithCardOnFile$(
+            this.tx.txid,
+            cardOnFile.card.card_id,
+            verificationToken.token,
+            `accelerator-${this.tx.txid.substring(0, 15)}-${Math.round(new Date().getTime() / 1000)}`,
+            costUSD,
+            verificationToken.userChallenged
+          ).subscribe({
+            next: () => {
+              this.processing = false;
+              this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
+              this.audioService.playSound('ascend-chime-cartoon');
+              setTimeout(() => {
+                this.isCheckoutLocked--;
+                this.isTokenizing--;
+                this.moveToStep('paid', true);
+              }, 1000);
+            },
+            error: (response) => {
+              this.processing = false;
+              this.accelerateError = response.error;
+              this.isCheckoutLocked--;
+              this.isTokenizing--;
+              if (!(response.status === 403 && response.error === 'not_available')) {
+                setTimeout(() => {
+                  // Reset everything by reloading the page :D, can be improved
+                  const urlParams = new URLSearchParams(window.location.search);
+                  window.location.assign(window.location.toString().replace(`?cash_request_id=${urlParams.get('cash_request_id')}`, ``));
+                }, 3000);
+              }
+            }
+          });
+
+        } catch (e) {
+          console.log(e);
+          this.isCheckoutLocked--;
+          this.isTokenizing--;
+          this.processing = false;
+          this.accelerateError = e.message;
+
+        } finally {
+          // always unlock the checkout once we're finished
+          this.isCheckoutLocked--;
+          this.isTokenizing--;
+        }
+      }
+    );
+  }
+
   /**
    * CASHAPP
    */
@@ -955,6 +1066,22 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
     return false;
   }
 
+  get canPayWithCardOnFile(): boolean {
+    if (!this.cardOnFileEnabled || !this.conversions || (!this.isProdDomain && !isDevMode())) {
+      return false;
+    }
+
+    const paymentMethod = this.estimate?.availablePaymentMethods?.cardOnFile;
+    if (paymentMethod) {
+      const costUSD = (this.cost / 100_000_000 * this.conversions.USD);
+      if (costUSD >= paymentMethod.min && costUSD <= paymentMethod.max) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
   get canPayWithBalance(): boolean {
     if (!this.hasAccessToBalanceMode) {
       return false;

frontend/src/app/services/services-api.service.ts

@@ -146,6 +146,10 @@ export class ServicesApiServices {
     return this.httpClient.post<any>(`${this.stateService.env.SERVICES_API}/accelerator/accelerate/googlePay`, { txInput: txInput, cardTag: cardTag, token: token, verificationToken: verificationToken, referenceId: referenceId, userApprovedUSD: userApprovedUSD, userChallenged: userChallenged });
   }
 
+  accelerateWithCardOnFile$(txInput: string, token: string, verificationToken: string, referenceId: string, userApprovedUSD: number, userChallenged: boolean) {
+    return this.httpClient.post<any>(`${this.stateService.env.SERVICES_API}/accelerator/accelerate/cardOnFile`, { txInput: txInput, token: token, verificationToken: verificationToken, referenceId: referenceId, userApprovedUSD: userApprovedUSD, userChallenged: userChallenged });
+  }
+
   getAccelerations$(): Observable<Acceleration[]> {
     return this.httpClient.get<Acceleration[]>(`${this.stateService.env.SERVICES_API}/accelerator/accelerations`);
   }

frontend/src/app/shared/shared.module.ts

@@ -7,7 +7,7 @@ import { faFilter, faAngleDown, faAngleUp, faAngleRight, faAngleLeft, faBolt, fa
   faFileAlt, faRedoAlt, faArrowAltCircleRight, faExternalLinkAlt, faBook, faListUl, faDownload, faQrcode, faArrowRightArrowLeft, faArrowsRotate, faCircleLeft,
   faFastForward, faWallet, faUserClock, faWrench, faUserFriends, faQuestionCircle, faHistory, faSignOutAlt, faKey, faSuitcase, faIdCardAlt, faNetworkWired, faUserCheck,
   faCircleCheck, faUserCircle, faCheck, faRocket, faScaleBalanced, faHourglassStart, faHourglassHalf, faHourglassEnd, faWandMagicSparkles, faFaucetDrip, faTimeline,
-  faCircleXmark, faCalendarCheck, faMoneyBillTrendUp, faRobot } from '@fortawesome/free-solid-svg-icons';
+  faCircleXmark, faCalendarCheck, faMoneyBillTrendUp, faRobot, faCreditCard } from '@fortawesome/free-solid-svg-icons';
 import { InfiniteScrollModule } from 'ngx-infinite-scroll';
 import { MenuComponent } from '@components/menu/menu.component';
 import { PreviewTitleComponent } from '@components/master-page-preview/preview-title.component';
@@ -459,5 +459,6 @@ export class SharedModule {
     library.addIcons(faCalendarCheck);
     library.addIcons(faMoneyBillTrendUp);
     library.addIcons(faRobot);
+    library.addIcons(faCreditCard);
   }
 }