use accelerated rates for block templates & show in viz

frontend/src/app/interfaces/electrs.interface.ts

@@ -19,6 +19,7 @@ export interface Transaction {
   ancestors?: Ancestor[];
   bestDescendant?: BestDescendant | null;
   cpfpChecked?: boolean;
+  acceleration?: number;
   deleteAfter?: number;
   _unblinded?: any;
   _deduced?: boolean;

frontend/src/app/interfaces/node-api.interface.ts

@@ -27,6 +27,7 @@ export interface CpfpInfo {
   effectiveFeePerVsize?: number;
   sigops?: number;
   adjustedVsize?: number;
+  acceleration?: number;
 }
 
 export interface RbfInfo {

frontend/src/app/interfaces/websocket.interface.ts

@@ -70,7 +70,7 @@ export interface MempoolBlockWithTransactions extends MempoolBlock {
 export interface MempoolBlockDelta {
   added: TransactionStripped[],
   removed: string[],
-  changed?: { txid: string, rate: number | undefined }[];
+  changed?: { txid: string, rate: number | undefined, acc: number | undefined }[];
 }
 
 export interface MempoolInfo {
@@ -88,6 +88,7 @@ export interface TransactionStripped {
   fee: number;
   vsize: number;
   value: number;
+  acc?: number; // acceleration delta
   rate?: number; // effective fee rate
   status?: 'found' | 'missing' | 'sigop' | 'fresh' | 'freshcpfp' | 'added' | 'censored' | 'selected' | 'rbf' | 'accelerated';
   context?: 'projected' | 'actual';