Add Fee Rate Information on Send Funds Modal

Closes #1410

frontend/runtime.b1e58c34e8ddc916.js

@@ -0,0 +1 @@
+(()=>{"use strict";var e,v={},m={};function r(e){var o=m[e];if(void 0!==o)return o.exports;var t=m[e]={id:e,loaded:!1,exports:{}};return v[e].call(t.exports,t,t.exports,r),t.loaded=!0,t.exports}r.m=v,e=[],r.O=(o,t,i,f)=>{if(!t){var a=1/0;for(n=0;n<e.length;n++){for(var[t,i,f]=e[n],s=!0,l=0;l<t.length;l++)(!1&f||a>=f)&&Object.keys(r.O).every(b=>r.O[b](t[l]))?t.splice(l--,1):(s=!1,f<a&&(a=f));if(s){e.splice(n--,1);var d=i();void 0!==d&&(o=d)}}return o}f=f||0;for(var n=e.length;n>0&&e[n-1][2]>f;n--)e[n]=e[n-1];e[n]=[t,i,f]},r.d=(e,o)=>{for(var t in o)r.o(o,t)&&!r.o(e,t)&&Object.defineProperty(e,t,{enumerable:!0,get:o[t]})},r.f={},r.e=e=>Promise.all(Object.keys(r.f).reduce((o,t)=>(r.f[t](e,o),o),[])),r.u=e=>e+"."+{17:"6fa7154eb6e447e2",190:"8009411a512731e5",193:"0e1a81316bbc29da",853:"50b06a24091d386f"}[e]+".js",r.miniCssF=e=>{},r.o=(e,o)=>Object.prototype.hasOwnProperty.call(e,o),(()=>{var e={},o="RTLApp:";r.l=(t,i,f,n)=>{if(e[t])e[t].push(i);else{var a,s;if(void 0!==f)for(var l=document.getElementsByTagName("script"),d=0;d<l.length;d++){var u=l[d];if(u.getAttribute("src")==t||u.getAttribute("data-webpack")==o+f){a=u;break}}a||(s=!0,(a=document.createElement("script")).type="module",a.charset="utf-8",a.timeout=120,r.nc&&a.setAttribute("nonce",r.nc),a.setAttribute("data-webpack",o+f),a.src=r.tu(t)),e[t]=[i];var c=(g,b)=>{a.onerror=a.onload=null,clearTimeout(p);var h=e[t];if(delete e[t],a.parentNode&&a.parentNode.removeChild(a),h&&h.forEach(y=>y(b)),g)return g(b)},p=setTimeout(c.bind(null,void 0,{type:"timeout",target:a}),12e4);a.onerror=c.bind(null,a.onerror),a.onload=c.bind(null,a.onload),s&&document.head.appendChild(a)}}})(),r.r=e=>{typeof Symbol<"u"&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.nmd=e=>(e.paths=[],e.children||(e.children=[]),e),(()=>{var e;r.tt=()=>(void 0===e&&(e={createScriptURL:o=>o},typeof trustedTypes<"u"&&trustedTypes.createPolicy&&(e=trustedTypes.createPolicy("angular#bundler",e))),e)})(),r.tu=e=>r.tt().createScriptURL(e),r.p="",(()=>{var e={121:0};r.f.j=(i,f)=>{var n=r.o(e,i)?e[i]:void 0;if(0!==n)if(n)f.push(n[2]);else if(121!=i){var a=new Promise((u,c)=>n=e[i]=[u,c]);f.push(n[2]=a);var s=r.p+r.u(i),l=new Error;r.l(s,u=>{if(r.o(e,i)&&(0!==(n=e[i])&&(e[i]=void 0),n)){var c=u&&("load"===u.type?"missing":u.type),p=u&&u.target&&u.target.src;l.message="Loading chunk "+i+" failed.\n("+c+": "+p+")",l.name="ChunkLoadError",l.type=c,l.request=p,n[1](l)}},"chunk-"+i,i)}else e[i]=0},r.O.j=i=>0===e[i];var o=(i,f)=>{var l,d,[n,a,s]=f,u=0;if(n.some(p=>0!==e[p])){for(l in a)r.o(a,l)&&(r.m[l]=a[l]);if(s)var c=s(r)}for(i&&i(f);u<n.length;u++)r.o(e,d=n[u])&&e[d]&&e[d][0](),e[d]=0;return r.O(c)},t=self.webpackChunkRTLApp=self.webpackChunkRTLApp||[];t.forEach(o.bind(null,0)),t.push=o.bind(null,t.push.bind(t))})()})();

frontend/runtime.fb4bdf4a1e375116.js

@@ -1 +0,0 @@
-(()=>{"use strict";var e,v={},m={};function r(e){var f=m[e];if(void 0!==f)return f.exports;var t=m[e]={id:e,loaded:!1,exports:{}};return v[e].call(t.exports,t,t.exports,r),t.loaded=!0,t.exports}r.m=v,e=[],r.O=(f,t,i,o)=>{if(!t){var a=1/0;for(n=0;n<e.length;n++){for(var[t,i,o]=e[n],s=!0,d=0;d<t.length;d++)(!1&o||a>=o)&&Object.keys(r.O).every(b=>r.O[b](t[d]))?t.splice(d--,1):(s=!1,o<a&&(a=o));if(s){e.splice(n--,1);var u=i();void 0!==u&&(f=u)}}return f}o=o||0;for(var n=e.length;n>0&&e[n-1][2]>o;n--)e[n]=e[n-1];e[n]=[t,i,o]},r.d=(e,f)=>{for(var t in f)r.o(f,t)&&!r.o(e,t)&&Object.defineProperty(e,t,{enumerable:!0,get:f[t]})},r.f={},r.e=e=>Promise.all(Object.keys(r.f).reduce((f,t)=>(r.f[t](e,f),f),[])),r.u=e=>e+"."+{17:"11da55d0304111d4",190:"1b335a94fd7329bc",193:"0e1a81316bbc29da",853:"02f6281b873a27ae"}[e]+".js",r.miniCssF=e=>{},r.o=(e,f)=>Object.prototype.hasOwnProperty.call(e,f),(()=>{var e={},f="RTLApp:";r.l=(t,i,o,n)=>{if(e[t])e[t].push(i);else{var a,s;if(void 0!==o)for(var d=document.getElementsByTagName("script"),u=0;u<d.length;u++){var l=d[u];if(l.getAttribute("src")==t||l.getAttribute("data-webpack")==f+o){a=l;break}}a||(s=!0,(a=document.createElement("script")).type="module",a.charset="utf-8",a.timeout=120,r.nc&&a.setAttribute("nonce",r.nc),a.setAttribute("data-webpack",f+o),a.src=r.tu(t)),e[t]=[i];var c=(g,b)=>{a.onerror=a.onload=null,clearTimeout(p);var h=e[t];if(delete e[t],a.parentNode&&a.parentNode.removeChild(a),h&&h.forEach(y=>y(b)),g)return g(b)},p=setTimeout(c.bind(null,void 0,{type:"timeout",target:a}),12e4);a.onerror=c.bind(null,a.onerror),a.onload=c.bind(null,a.onload),s&&document.head.appendChild(a)}}})(),r.r=e=>{typeof Symbol<"u"&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.nmd=e=>(e.paths=[],e.children||(e.children=[]),e),(()=>{var e;r.tt=()=>(void 0===e&&(e={createScriptURL:f=>f},typeof trustedTypes<"u"&&trustedTypes.createPolicy&&(e=trustedTypes.createPolicy("angular#bundler",e))),e)})(),r.tu=e=>r.tt().createScriptURL(e),r.p="",(()=>{var e={121:0};r.f.j=(i,o)=>{var n=r.o(e,i)?e[i]:void 0;if(0!==n)if(n)o.push(n[2]);else if(121!=i){var a=new Promise((l,c)=>n=e[i]=[l,c]);o.push(n[2]=a);var s=r.p+r.u(i),d=new Error;r.l(s,l=>{if(r.o(e,i)&&(0!==(n=e[i])&&(e[i]=void 0),n)){var c=l&&("load"===l.type?"missing":l.type),p=l&&l.target&&l.target.src;d.message="Loading chunk "+i+" failed.\n("+c+": "+p+")",d.name="ChunkLoadError",d.type=c,d.request=p,n[1](d)}},"chunk-"+i,i)}else e[i]=0},r.O.j=i=>0===e[i];var f=(i,o)=>{var d,u,[n,a,s]=o,l=0;if(n.some(p=>0!==e[p])){for(d in a)r.o(a,d)&&(r.m[d]=a[d]);if(s)var c=s(r)}for(i&&i(o);l<n.length;l++)r.o(e,u=n[l])&&e[u]&&e[u][0](),e[u]=0;return r.O(c)},t=self.webpackChunkRTLApp=self.webpackChunkRTLApp||[];t.forEach(f.bind(null,0)),t.push=f.bind(null,t.push.bind(t))})()})();

src/app/cln/on-chain/on-chain-send-modal/on-chain-send-modal.component.html

@@ -6,7 +6,20 @@
       </div>
       <button tabindex="8" fxFlex="5" fxLayoutAlign="center center" class="btn-close-x p-0" default mat-button [mat-dialog-close]="false">X</button>
     </mat-card-header>
-    <mat-card-content class="padding-gap-x-large">
+    <mat-card-content class="padding-gap-x-large" fxLayout="column">
+      <div *ngIf="recommendedFee.minimumFee" fxFlex="100" class="alert alert-info mb-2">
+        <fa-icon class="mr-1 alert-icon" [icon]="faInfoCircle" />
+        <span fxLayout="column" fxFlex="100">
+          <div>Fee rates recommended by mempool (sat/vByte):</div>
+          <span class="pr-2" fxLayout="row wrap" fxFlex="100" fxLayoutAlign="space-between start">
+            <span>- High: {{recommendedFee.fastestFee || 'Unknown'}}</span>
+            <span>- Medium: {{recommendedFee.halfHourFee || 'Unknown'}}</span>
+            <span>- Low: {{recommendedFee.hourFee || 'Unknown'}}</span>
+            <span>- Economy: {{recommendedFee.economyFee || 'Unknown'}}</span>
+            <span>- Minimum: {{recommendedFee.minimumFee || 'Unknown'}}</span>
+          </span>
+        </span>
+      </div>
       <form *ngIf="!sweepAll;  else sweepAllBlock;" #form="ngForm" fxLayout="row wrap"fxLayoutAlign="space-between start" fxFlex="100" class="overflow-x-hidden" (submit)="onSendFunds()" (reset)="resetData()">
         <mat-form-field fxLayout="column" fxFlex="55">
           <mat-label>Bitcoin Address</mat-label>

src/app/cln/on-chain/on-chain-send-modal/on-chain-send-modal.component.ts

@@ -8,7 +8,7 @@ import { Actions } from '@ngrx/effects';
 import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { MatSnackBar } from '@angular/material/snack-bar';
 import { MatStepper } from '@angular/material/stepper';
-import { faExclamationTriangle } from '@fortawesome/free-solid-svg-icons';
+import { faExclamationTriangle, faInfoCircle } from '@fortawesome/free-solid-svg-icons';
 import * as sha256 from 'sha256';
 
 import { Node, RTLConfiguration } from '../../../shared/models/RTLconfig';
@@ -25,6 +25,8 @@ import { setChannelTransaction } from '../../store/cln.actions';
 import { rootAppConfig, rootSelectedNode } from '../../../store/rtl.selector';
 import { clnNodeInformation, utxoBalances } from '../../store/cln.selector';
 import { ApiCallStatusPayload } from '../../../shared/models/apiCallsPayload';
+import { DataService } from 'src/app/shared/services/data.service';
+import { RecommendedFeeRates } from 'src/app/shared/models/rtlModels';
 
 @Component({
   selector: 'rtl-cln-on-chain-send-modal',
@@ -37,6 +39,7 @@ export class CLNOnChainSendModalComponent implements OnInit, OnDestroy {
   @ViewChild('formSweepAll', { static: false }) formSweepAll: any;
   @ViewChild('stepper', { static: false }) stepper: MatStepper;
   public faExclamationTriangle = faExclamationTriangle;
+  public faInfoCircle = faInfoCircle;
   public sweepAll = false;
   public selNode: Node | null;
   public appConfig: RTLConfiguration;
@@ -65,6 +68,7 @@ export class CLNOnChainSendModalComponent implements OnInit, OnDestroy {
   public advancedTitle = 'Advanced Options';
   public flgValidated = false;
   public flgEditable = true;
+  public recommendedFee: RecommendedFeeRates = { fastestFee: 0, halfHourFee: 0, hourFee: 0 };
   public passwordFormLabel = 'Authenticate with your RTL password';
   public sendFundFormLabel = 'Sweep funds';
   public confirmFormLabel = 'Confirm sweep';
@@ -74,12 +78,13 @@ export class CLNOnChainSendModalComponent implements OnInit, OnDestroy {
   confirmFormGroup: UntypedFormGroup;
   public screenSize = '';
   public screenSizeEnum = ScreenSizeEnum;
-  private unSubs: Array<Subject<void>> = [new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject()];
+  private unSubs: Array<Subject<void>> = [new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject()];
 
   constructor(
     public dialogRef: MatDialogRef<CLNOnChainSendModalComponent>,
     @Inject(MAT_DIALOG_DATA) public data: CLNOnChainSendFunds,
     private logger: LoggerService,
+    private dataService: DataService,
     private store: Store<RTLState>,
     private commonService: CommonService,
     private decimalPipe: DecimalPipe,
@@ -91,6 +96,13 @@ export class CLNOnChainSendModalComponent implements OnInit, OnDestroy {
   }
 
   ngOnInit() {
+    this.dataService.getRecommendedFeeRates().pipe(takeUntil(this.unSubs[0])).subscribe({
+      next: (rfRes: RecommendedFeeRates) => {
+        this.recommendedFee = rfRes;
+      }, error: (err) => {
+        this.logger.error(err);
+      }
+    });
     this.sweepAll = this.data.sweepAll;
     this.passwordFormGroup = this.formBuilder.group({
       hiddenPassword: ['', [Validators.required]],
@@ -104,7 +116,7 @@ export class CLNOnChainSendModalComponent implements OnInit, OnDestroy {
       minConfValue: [{ value: null, disabled: true }]
     });
     this.confirmFormGroup = this.formBuilder.group({});
-    this.sendFundFormGroup.controls.flgMinConf.valueChanges.pipe(takeUntil(this.unSubs[0])).subscribe((flg) => {
+    this.sendFundFormGroup.controls.flgMinConf.valueChanges.pipe(takeUntil(this.unSubs[1])).subscribe((flg) => {
       if (flg) {
         this.sendFundFormGroup.controls.selFeeRate.disable();
         this.sendFundFormGroup.controls.selFeeRate.setValue(null);
@@ -121,7 +133,7 @@ export class CLNOnChainSendModalComponent implements OnInit, OnDestroy {
         this.sendFundFormGroup.controls.minConfValue.setErrors(null);
       }
     });
-    this.sendFundFormGroup.controls.selFeeRate.valueChanges.pipe(takeUntil(this.unSubs[1])).subscribe((feeRate) => {
+    this.sendFundFormGroup.controls.selFeeRate.valueChanges.pipe(takeUntil(this.unSubs[2])).subscribe((feeRate) => {
       this.sendFundFormGroup.controls.customFeeRate.setValue(null);
       this.sendFundFormGroup.controls.customFeeRate.reset();
       if (feeRate === 'customperkb' && !this.sendFundFormGroup.controls.flgMinConf.value) {
@@ -130,23 +142,23 @@ export class CLNOnChainSendModalComponent implements OnInit, OnDestroy {
         this.sendFundFormGroup.controls.customFeeRate.setValidators(null);
       }
     });
-    combineLatest([this.store.select(rootSelectedNode), this.store.select(rootAppConfig)]).pipe(takeUntil(this.unSubs[1])).
+    combineLatest([this.store.select(rootSelectedNode), this.store.select(rootAppConfig)]).pipe(takeUntil(this.unSubs[3])).
       subscribe(([selNode, appConfig]) => {
         this.fiatConversion = selNode.settings.fiatConversion;
         this.amountUnits = selNode.settings.currencyUnits;
         this.appConfig = appConfig;
       });
-    this.store.select(clnNodeInformation).pipe(takeUntil(this.unSubs[2])).
+    this.store.select(clnNodeInformation).pipe(takeUntil(this.unSubs[4])).
       subscribe((nodeInfo: GetInfo) => {
         this.information = nodeInfo;
       });
-    this.store.select(utxoBalances).pipe(takeUntil(this.unSubs[3])).
+    this.store.select(utxoBalances).pipe(takeUntil(this.unSubs[5])).
       subscribe((utxoBalancesSeletor: { utxos: UTXO[], balance: Balance, localRemoteBalance: LocalRemoteBalance, apiCallStatus: ApiCallStatusPayload }) => {
         this.utxos = this.commonService.sortAscByKey(utxoBalancesSeletor.utxos?.filter((utxo) => utxo.status === 'confirmed'), 'value');
         this.logger.info(utxoBalancesSeletor);
       });
     this.actions.pipe(
-      takeUntil(this.unSubs[4]),
+      takeUntil(this.unSubs[6]),
       filter((action) => action.type === CLNActions.UPDATE_API_CALL_STATUS_CLN || action.type === CLNActions.SET_CHANNEL_TRANSACTION_RES_CLN)).
       subscribe((action: any) => {
         if (action.type === CLNActions.SET_CHANNEL_TRANSACTION_RES_CLN) {
@@ -219,7 +231,7 @@ export class CLNOnChainSendModalComponent implements OnInit, OnDestroy {
       }
       if (this.transaction.satoshi && this.transaction.satoshi !== 'all' && this.selAmountUnit !== CurrencyUnitEnum.SATS) {
         this.commonService.convertCurrency(+this.transaction.satoshi, this.selAmountUnit === this.amountUnits[2] ? CurrencyUnitEnum.OTHER : this.selAmountUnit, CurrencyUnitEnum.SATS, this.amountUnits[2], this.fiatConversion).
-          pipe(takeUntil(this.unSubs[5])).
+          pipe(takeUntil(this.unSubs[7])).
           subscribe({
             next: (data) => {
               this.transaction.satoshi = data[CurrencyUnitEnum.SATS];
@@ -307,7 +319,7 @@ export class CLNOnChainSendModalComponent implements OnInit, OnDestroy {
     let currSelectedUnit = event.value === this.amountUnits[2] ? CurrencyUnitEnum.OTHER : event.value;
     if (this.transaction.satoshi && this.selAmountUnit !== event.value) {
       this.commonService.convertCurrency(+this.transaction.satoshi, prevSelectedUnit, currSelectedUnit, this.amountUnits[2], this.fiatConversion).
-        pipe(takeUntil(this.unSubs[6])).
+        pipe(takeUntil(this.unSubs[8])).
         subscribe({
           next: (data) => {
             this.selAmountUnit = event.value;

src/app/cln/peers-channels/channels/open-channel-modal/open-channel.component.html

@@ -58,7 +58,7 @@
                 <div fxFlex="64" fxLayout="row" fxLayoutAlign="space-between center">
                   <mat-form-field fxLayout="column" fxLayoutAlign="start center" [fxFlex]="selFeeRate === 'customperkb' && !flgMinConf ? '40' : '100'">
                     <mat-label>Fee Rate</mat-label>
-                    <mat-select tabindex="4" [disabled]="flgMinConf" [(value)]="selFeeRate" (selectionChange)="onSelFeeRateChanged($event)">
+                    <mat-select tabindex="4" [disabled]="flgMinConf" [(value)]="selFeeRate">
                       <mat-option *ngFor="let feeRateType of feeRateTypes" [value]="feeRateType.feeRateId">
                         {{feeRateType.feeRateType}}
                       </mat-option>

src/app/cln/peers-channels/channels/open-channel-modal/open-channel.component.ts

@@ -168,6 +168,13 @@ export class CLNOpenChannelComponent implements OnInit, OnDestroy {
       }
     } else {
       this.advancedTitle = 'Advanced Options';
+      this.dataService.getRecommendedFeeRates().pipe(takeUntil(this.unSubs[3])).subscribe({
+        next: (rfRes: RecommendedFeeRates) => {
+          this.recommendedFee = rfRes;
+        }, error: (err) => {
+          this.logger.error(err);
+        }
+      });
     }
   }
 
@@ -209,19 +216,6 @@ export class CLNOpenChannelComponent implements OnInit, OnDestroy {
     this.store.dispatch(saveNewChannel({ payload: newChannel }));
   }
 
-  onSelFeeRateChanged(event) {
-    this.customFeeRate = null;
-    if (event.value === 'customperkb') {
-      this.dataService.getRecommendedFeeRates().pipe(takeUntil(this.unSubs[3])).subscribe({
-        next: (rfRes: RecommendedFeeRates) => {
-          this.recommendedFee = rfRes;
-        }, error: (err) => {
-          this.logger.error(err);
-        }
-      });
-    }
-  }
-
   ngOnDestroy() {
     this.unSubs.forEach((completeSub) => {
       completeSub.next(<any>null);

src/app/cln/store/cln.effects.ts

@@ -608,10 +608,9 @@ export class CLNEffects implements OnDestroy {
     ofType(CLNActions.DELETE_EXPIRED_INVOICE_CLN),
     mergeMap((action: { type: string, payload: number }) => {
       this.store.dispatch(openSpinner({ payload: UI_MESSAGES.DELETE_INVOICE }));
-      return this.httpClient.post(this.CHILD_API_URL + API_END_POINTS.INVOICES_API + '/delete', { 'subsystem': 'expiredinvoices', 'age': SECS_IN_YEAR }).
+      return this.httpClient.post(this.CHILD_API_URL + API_END_POINTS.INVOICES_API + '/delete', { subsystem: 'expiredinvoices', age: SECS_IN_YEAR }).
         pipe(
           map((postRes: any) => {
-            console.warn(postRes);
             this.logger.info(postRes);
             this.store.dispatch(closeSpinner({ payload: UI_MESSAGES.DELETE_INVOICE }));
             this.store.dispatch(openSnackBar({ payload: postRes.status }));

src/app/eclair/on-chain/on-chain-send-modal/on-chain-send-modal.component.html

@@ -6,7 +6,20 @@
       </div>
       <button tabindex="8" fxFlex="5" fxLayoutAlign="center center" class="btn-close-x p-0" default mat-button [mat-dialog-close]="false">X</button>
     </mat-card-header>
-    <mat-card-content class="padding-gap-x-large">
+    <mat-card-content class="padding-gap-x-large" fxLayout="column">
+      <div *ngIf="recommendedFee.minimumFee" fxFlex="100" class="alert alert-info mb-2">
+        <fa-icon class="mr-1 alert-icon" [icon]="faInfoCircle" />
+        <span fxLayout="column" fxFlex="100">
+          <div>Fee rates recommended by mempool (sat/vByte):</div>
+          <span class="pr-2" fxLayout="row wrap" fxFlex="100" fxLayoutAlign="space-between start">
+            <span>- High: {{recommendedFee.fastestFee || 'Unknown'}}</span>
+            <span>- Medium: {{recommendedFee.halfHourFee || 'Unknown'}}</span>
+            <span>- Low: {{recommendedFee.hourFee || 'Unknown'}}</span>
+            <span>- Economy: {{recommendedFee.economyFee || 'Unknown'}}</span>
+            <span>- Minimum: {{recommendedFee.minimumFee || 'Unknown'}}</span>
+          </span>
+        </span>
+      </div>
       <form #form="ngForm" fxLayout="row wrap" fxFlex="100" fxLayoutAlign="space-between start" class="overflow-x-hidden" (submit)="onSendFunds()" (reset)="resetData()">
         <mat-form-field fxLayout="column" fxFlex="55">
           <mat-label>Bitcoin Address</mat-label>

src/app/eclair/on-chain/on-chain-send-modal/on-chain-send-modal.component.ts

@@ -5,7 +5,7 @@ import { takeUntil, filter } from 'rxjs/operators';
 import { Store } from '@ngrx/store';
 import { Actions } from '@ngrx/effects';
 import { MatDialogRef } from '@angular/material/dialog';
-import { faExclamationTriangle } from '@fortawesome/free-solid-svg-icons';
+import { faExclamationTriangle, faInfoCircle } from '@fortawesome/free-solid-svg-icons';
 
 import { Node } from '../../../shared/models/RTLconfig';
 import { GetInfo, OnChainBalance, SendPaymentOnChain } from '../../../shared/models/eclModels';
@@ -17,6 +17,8 @@ import { RTLState } from '../../../store/rtl.state';
 import { openSnackBar } from '../../../store/rtl.actions';
 import { sendOnchainFunds } from '../../store/ecl.actions';
 import { rootSelectedNode } from '../../../store/rtl.selector';
+import { DataService } from 'src/app/shared/services/data.service';
+import { RecommendedFeeRates } from 'src/app/shared/models/rtlModels';
 
 @Component({
   selector: 'rtl-ecl-on-chain-send-modal',
@@ -27,6 +29,7 @@ export class ECLOnChainSendModalComponent implements OnInit, OnDestroy {
 
   @ViewChild('form', { static: true }) form: any;
   public faExclamationTriangle = faExclamationTriangle;
+  public faInfoCircle = faInfoCircle;
   public selNode: Node | null;
   public addressTypes = [];
   public selectedAddress = ADDRESS_TYPES[1];
@@ -41,19 +44,27 @@ export class ECLOnChainSendModalComponent implements OnInit, OnDestroy {
   public currConvertorRate = {};
   public unitConversionValue = 0;
   public currencyUnitFormats = CURRENCY_UNIT_FORMATS;
+  public recommendedFee: RecommendedFeeRates = { fastestFee: 0, halfHourFee: 0, hourFee: 0 };
   public amountError = 'Amount is Required.';
   private unSubs: Array<Subject<void>> = [new Subject(), new Subject(), new Subject(), new Subject(), new Subject()];
 
-  constructor(public dialogRef: MatDialogRef<ECLOnChainSendModalComponent>, private logger: LoggerService, private store: Store<RTLState>, private commonService: CommonService, private decimalPipe: DecimalPipe, private actions: Actions) { }
+  constructor(public dialogRef: MatDialogRef<ECLOnChainSendModalComponent>, private logger: LoggerService, private dataService: DataService, private store: Store<RTLState>, private commonService: CommonService, private decimalPipe: DecimalPipe, private actions: Actions) { }
 
   ngOnInit() {
-    this.store.select(rootSelectedNode).pipe(takeUntil(this.unSubs[0])).subscribe((selNode) => {
+    this.dataService.getRecommendedFeeRates().pipe(takeUntil(this.unSubs[0])).subscribe({
+      next: (rfRes: RecommendedFeeRates) => {
+        this.recommendedFee = rfRes;
+      }, error: (err) => {
+        this.logger.error(err);
+      }
+    });
+    this.store.select(rootSelectedNode).pipe(takeUntil(this.unSubs[1])).subscribe((selNode) => {
       this.fiatConversion = selNode.settings.fiatConversion;
       this.amountUnits = selNode.settings.currencyUnits;
       this.logger.info(selNode);
     });
     this.actions.pipe(
-      takeUntil(this.unSubs[1]),
+      takeUntil(this.unSubs[2]),
       filter((action) => action.type === ECLActions.UPDATE_API_CALL_STATUS_ECL || action.type === ECLActions.SEND_ONCHAIN_FUNDS_RES_ECL)
     ).
       subscribe((action: any) => {
@@ -74,7 +85,7 @@ export class ECLOnChainSendModalComponent implements OnInit, OnDestroy {
     this.sendFundError = '';
     if (this.transaction.amount && this.selAmountUnit !== CurrencyUnitEnum.SATS) {
       this.commonService.convertCurrency(this.transaction.amount, this.selAmountUnit === this.amountUnits[2] ? CurrencyUnitEnum.OTHER : this.selAmountUnit, CurrencyUnitEnum.SATS, this.amountUnits[2], this.fiatConversion).
-        pipe(takeUntil(this.unSubs[2])).
+        pipe(takeUntil(this.unSubs[3])).
         subscribe({
           next: (data) => {
             this.transaction.amount = parseInt(data[CurrencyUnitEnum.SATS]);
@@ -107,7 +118,7 @@ export class ECLOnChainSendModalComponent implements OnInit, OnDestroy {
     let currSelectedUnit = event.value === this.amountUnits[2] ? CurrencyUnitEnum.OTHER : event.value;
     if (this.transaction.amount && this.selAmountUnit !== event.value) {
       this.commonService.convertCurrency(this.transaction.amount, prevSelectedUnit, currSelectedUnit, this.amountUnits[2], this.fiatConversion).
-        pipe(takeUntil(this.unSubs[3])).
+        pipe(takeUntil(this.unSubs[4])).
         subscribe({
           next: (data) => {
             this.selAmountUnit = event.value;

src/app/lnd/on-chain/on-chain-send-modal/on-chain-send-modal.component.html

@@ -6,8 +6,21 @@
       </div>
       <button tabindex="8" fxFlex="5" fxLayoutAlign="center center" class="btn-close-x p-0" default mat-button [mat-dialog-close]="false">X</button>
     </mat-card-header>
-    <mat-card-content class="padding-gap-x-large">
-      <form *ngIf="!sweepAll;  else sweepAllBlock;" #form="ngForm" fxLayout="row wrap"fxLayoutAlign="space-between start" fxFlex="100" class="overflow-x-hidden" (submit)="onSendFunds()" (reset)="resetData()">
+    <mat-card-content class="padding-gap-x-large" fxLayout="column">
+      <div *ngIf="recommendedFee.minimumFee" fxFlex="100" class="alert alert-info mb-2">
+        <fa-icon class="mr-1 alert-icon" [icon]="faInfoCircle" />
+        <span fxLayout="column" fxFlex="100">
+          <div>Fee rates recommended by mempool (sat/vByte):</div>
+          <span class="pr-2" fxLayout="row wrap" fxFlex="100" fxLayoutAlign="space-between start">
+            <span>- High: {{recommendedFee.fastestFee || 'Unknown'}}</span>
+            <span>- Medium: {{recommendedFee.halfHourFee || 'Unknown'}}</span>
+            <span>- Low: {{recommendedFee.hourFee || 'Unknown'}}</span>
+            <span>- Economy: {{recommendedFee.economyFee || 'Unknown'}}</span>
+            <span>- Minimum: {{recommendedFee.minimumFee || 'Unknown'}}</span>
+          </span>
+        </span>
+      </div>
+      <form *ngIf="!sweepAll; else sweepAllBlock;" #form="ngForm" fxLayout="row wrap"fxLayoutAlign="space-between start" fxFlex="100" class="overflow-x-hidden" (submit)="onSendFunds()" (reset)="resetData()">
         <mat-form-field fxLayout="column" fxFlex.gt-sm="55">
           <mat-label>Bitcoin Address</mat-label>
           <input #address="ngModel" autoFocus matInput tabindex="1" name="address" required [(ngModel)]="transactionAddress">

src/app/lnd/on-chain/on-chain-send-modal/on-chain-send-modal.component.ts

@@ -8,7 +8,7 @@ import { Actions } from '@ngrx/effects';
 import { MatSnackBar } from '@angular/material/snack-bar';
 import { MAT_DIALOG_DATA, MatDialogRef } from '@angular/material/dialog';
 import { MatStepper } from '@angular/material/stepper';
-import { faExclamationTriangle } from '@fortawesome/free-solid-svg-icons';
+import { faExclamationTriangle, faInfoCircle } from '@fortawesome/free-solid-svg-icons';
 
 import { OnChainSendFunds } from '../../../shared/models/alertData';
 import { Node, RTLConfiguration } from '../../../shared/models/RTLconfig';
@@ -23,6 +23,8 @@ import { RTLState } from '../../../store/rtl.state';
 import { isAuthorized, openSnackBar } from '../../../store/rtl.actions';
 import { setChannelTransaction } from '../../store/lnd.actions';
 import { rootAppConfig, rootSelectedNode } from '../../../store/rtl.selector';
+import { DataService } from 'src/app/shared/services/data.service';
+import { RecommendedFeeRates } from 'src/app/shared/models/rtlModels';
 
 @Component({
   selector: 'rtl-on-chain-send-modal',
@@ -35,6 +37,7 @@ export class OnChainSendModalComponent implements OnInit, OnDestroy {
   @ViewChild('formSweepAll', { static: false }) formSweepAll: any;
   @ViewChild('stepper', { static: false }) stepper: MatStepper;
   public faExclamationTriangle = faExclamationTriangle;
+  public faInfoCircle = faInfoCircle;
   public sweepAll = false;
   public selNode: Node | null;
   public appConfig: RTLConfiguration;
@@ -58,6 +61,7 @@ export class OnChainSendModalComponent implements OnInit, OnDestroy {
   public sendFundError = '';
   public flgValidated = false;
   public flgEditable = true;
+  public recommendedFee: RecommendedFeeRates = { fastestFee: 0, halfHourFee: 0, hourFee: 0 };
   public passwordFormLabel = 'Authenticate with your RTL password';
   public sendFundFormLabel = 'Sweep funds';
   public confirmFormLabel = 'Confirm sweep';
@@ -65,12 +69,13 @@ export class OnChainSendModalComponent implements OnInit, OnDestroy {
   passwordFormGroup: UntypedFormGroup;
   sendFundFormGroup: UntypedFormGroup;
   confirmFormGroup: UntypedFormGroup;
-  private unSubs: Array<Subject<void>> = [new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject()];
+  private unSubs: Array<Subject<void>> = [new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject(), new Subject()];
 
   constructor(
     public dialogRef: MatDialogRef<OnChainSendModalComponent>,
     @Inject(MAT_DIALOG_DATA) public data: OnChainSendFunds,
     private logger: LoggerService,
+    private dataService: DataService,
     private store: Store<RTLState>,
     private rtlEffects: RTLEffects,
     private commonService: CommonService,
@@ -80,6 +85,13 @@ export class OnChainSendModalComponent implements OnInit, OnDestroy {
     private formBuilder: UntypedFormBuilder) { }
 
   ngOnInit() {
+    this.dataService.getRecommendedFeeRates().pipe(takeUntil(this.unSubs[0])).subscribe({
+      next: (rfRes: RecommendedFeeRates) => {
+        this.recommendedFee = rfRes;
+      }, error: (err) => {
+        this.logger.error(err);
+      }
+    });
     this.sweepAll = this.data.sweepAll;
     this.passwordFormGroup = this.formBuilder.group({
       hiddenPassword: ['', [Validators.required]],
@@ -92,7 +104,7 @@ export class OnChainSendModalComponent implements OnInit, OnDestroy {
       selTransType: ['1', Validators.required]
     });
     this.confirmFormGroup = this.formBuilder.group({});
-    this.sendFundFormGroup.controls.selTransType.valueChanges.pipe(takeUntil(this.unSubs[0])).subscribe((transType) => {
+    this.sendFundFormGroup.controls.selTransType.valueChanges.pipe(takeUntil(this.unSubs[1])).subscribe((transType) => {
       if (transType === '1') {
         this.sendFundFormGroup.controls.transactionBlocks.setValidators([Validators.required]);
         this.sendFundFormGroup.controls.transactionBlocks.setValue(null);
@@ -105,16 +117,16 @@ export class OnChainSendModalComponent implements OnInit, OnDestroy {
         this.sendFundFormGroup.controls.transactionFees.setValue(null);
       }
     });
-    this.store.select(rootAppConfig).pipe(takeUntil(this.unSubs[1])).subscribe((appConfig) => {
+    this.store.select(rootAppConfig).pipe(takeUntil(this.unSubs[2])).subscribe((appConfig) => {
       this.appConfig = appConfig;
     });
-    this.store.select(rootSelectedNode).pipe(takeUntil(this.unSubs[2])).subscribe((selNode) => {
+    this.store.select(rootSelectedNode).pipe(takeUntil(this.unSubs[3])).subscribe((selNode) => {
       this.fiatConversion = selNode.settings.fiatConversion;
       this.amountUnits = selNode.settings.currencyUnits;
       this.logger.info(selNode);
     });
     this.actions.pipe(
-      takeUntil(this.unSubs[3]),
+      takeUntil(this.unSubs[4]),
       filter((action) => action.type === LNDActions.UPDATE_API_CALL_STATUS_LND || action.type === LNDActions.SET_CHANNEL_TRANSACTION_RES_LND)).
       subscribe((action: any) => {
         if (action.type === LNDActions.SET_CHANNEL_TRANSACTION_RES_LND) {
@@ -173,7 +185,7 @@ export class OnChainSendModalComponent implements OnInit, OnDestroy {
     }
     if (this.transactionAmount && this.selAmountUnit !== CurrencyUnitEnum.SATS) {
       this.commonService.convertCurrency(this.transactionAmount, this.selAmountUnit === this.amountUnits[2] ? CurrencyUnitEnum.OTHER : this.selAmountUnit, CurrencyUnitEnum.SATS, this.amountUnits[2], this.fiatConversion).
-        pipe(takeUntil(this.unSubs[4])).
+        pipe(takeUntil(this.unSubs[5])).
         subscribe({
           next: (data) => {
             this.selAmountUnit = CurrencyUnitEnum.SATS;
@@ -254,7 +266,7 @@ export class OnChainSendModalComponent implements OnInit, OnDestroy {
     if (this.transactionAmount && this.selAmountUnit !== event.value) {
       const amount = this.transactionAmount ? this.transactionAmount : 0;
       this.commonService.convertCurrency(amount, prevSelectedUnit, currSelectedUnit, this.amountUnits[2], this.fiatConversion).
-        pipe(takeUntil(this.unSubs[5])).
+        pipe(takeUntil(this.unSubs[6])).
         subscribe({
           next: (data) => {
             this.selAmountUnit = event.value;