fixed proper decimal submissions in feeds

src/PriceFeeder.ts

@@ -44,13 +44,13 @@ const priceFeedMapping = {
     pairNames: ['ETH-USD', 'live_trades_ethusd', 'ETH/USD', 'ETHBUSD', 'ETH-USDC']
   },
   'sol:usd': {
-    minValueChangeForNewRound: 4,
+    minValueChangeForNewRound: 400,
     useFeeds: [2,3,4],
     pairNames: ['SOL/USD', 'SOLBUSD', 'SOL-USDT']
     // uses USDT for OKEx
   },
   'srm:usd': {
-    minValueChangeForNewRound: 1,
+    minValueChangeForNewRound: 50,
     useFeeds: [2,3,4],
     pairNames: ['SRM/USD', 'SRMBUSD', 'SRM-USDT']
     // uses USDT for OKEx

src/feeds.ts

@@ -25,7 +25,6 @@ export interface IPriceFeed {
 
 export abstract class PriceFeed {
   public emitter = new EventEmitter()
-
   protected conn!: ReconnectingWebSocket
   protected connected!: Promise<void>
 
@@ -91,6 +90,10 @@ export abstract class PriceFeed {
     this.emitter.emit(UPDATE, price)
   }
 
+  /**
+   * Every implementation must return IPrice with the correct amount of decimal transformation done on the incoming price
+   * @param data
+   */
   abstract parseMessage(data: any): IPrice | undefined
   // abstract parseMessage(pair: string)
   // abstract parseMessage(pair: string)
@@ -131,8 +134,8 @@ export class CoinBase extends PriceFeed {
     const price: IPrice = {
       source: CoinBase.name,
       pair,
-      decimals: 2,
-      value: Math.floor(payload.price * 100),
+      decimals: 0,
+      value: payload.price,
     }
 
     return price
@@ -182,8 +185,8 @@ export class BitStamp extends PriceFeed {
     const price: IPrice = {
       source: BitStamp.name,
       pair,
-      decimals: 2,
-      value: Math.floor(payload.data.price * 100),
+      decimals: 0,
+      value: payload.data.price,
     }
 
     return price
@@ -231,8 +234,8 @@ export class FTX extends PriceFeed {
     const price: IPrice = {
       source: FTX.name,
       pair,
-      decimals: 2,
-      value: Math.floor(payload.data.last * 100),
+      decimals: 0,
+      value: payload.data.last,
     }
 
     return price
@@ -276,12 +279,11 @@ export class Binance extends PriceFeed {
 
     const pair = payload.s;
 
-
     const price: IPrice = {
       source: Binance.name,
       pair,
-      decimals: 2,
-      value: Math.floor(payload.p * 100),
+      decimals: 0,
+      value: payload.p,
     }
 
     return price
@@ -341,8 +343,8 @@ export class OKEx extends PriceFeed {
     const price: IPrice = {
       source: OKEx.name,
       pair,
-      decimals: 2,
-      value: Math.floor(payload.data[0].last * 100),
+      decimals: 0,
+      value: payload.data[0].last,
     }
 
     return price
@@ -388,6 +390,7 @@ export class AggregatedFeed {
           return
         }
         price.timestamp = Date.now()
+        price.value = Math.floor(Math.pow(10, decimals - price.decimals) * price.value)
         price.decimals = decimals;
         this.prices[index] = price
         this.onPriceUpdate(price)