cors, bug

src/models/StratumV1ClientStatistics.ts

@@ -0,0 +1,45 @@
+export class StratumV1ClientStatistics {
+
+    public bestDifficulty: number = 0;
+
+    public historicSubmissions = [];
+
+    constructor() {
+
+    }
+
+    public addSubmission(targetDifficulty: number, submissionDifficulty: number, networkDifficulty: number) {
+
+        if (this.historicSubmissions.length >= 1000) {
+            this.historicSubmissions.shift();
+        }
+
+        this.historicSubmissions.push({
+            difficulty: targetDifficulty,
+            time: new Date()
+        });
+
+        if (submissionDifficulty > this.bestDifficulty) {
+            this.bestDifficulty = submissionDifficulty;
+        }
+    }
+
+    public getHashrate() {
+        return this.historicSubmissions.reduce((pre, cur, idx, arr) => {
+            if (idx === 0) {
+                pre.time = cur.time;
+            }
+            pre.difficulty += cur.difficulty;
+
+            if (arr.length - 1 === idx) {
+                const duration = cur.time.getTime() - pre.time.getTime();
+                const sumDifficulty = pre.difficulty;
+                return (sumDifficulty * 4294967296) / (duration * 1000000)
+            }
+            return pre;
+        }, {
+            difficulty: 0,
+            time: undefined
+        })
+    }
+}