initial commit

lib/index.d.ts

@@ -0,0 +1,4 @@
+export declare class BlockNumberDateConverter {
+    constructor();
+    static getPastBlockNumber(currentBlock: any, date: any): number;
+}

lib/index.js

@@ -0,0 +1,13 @@
+import moment from 'moment';
+export class BlockNumberDateConverter {
+    constructor() { }
+    static getPastBlockNumber(currentBlock, date) {
+        const BLOCK_PERIOD = 10;
+        const now = moment();
+        const query = moment(date);
+        const seconds = now.diff(query, 'seconds');
+        const blocks = Math.round(seconds / BLOCK_PERIOD);
+        const findBlock = currentBlock - blocks;
+        return findBlock;
+    }
+}