Move files up and remove ts folder

src/utils/utils.ts

@@ -0,0 +1,18 @@
+import * as BN from 'bn.js';
+
+export const utils = {
+    /**
+     * Converts BigNumber instance to BN
+     * The only reason we convert to BN is to remain compatible with `ethABI. soliditySHA3` that
+     * expects values of Solidity type `uint` to be passed as type `BN`.
+     * We do not use BN anywhere else in the codebase.
+     */
+    bigNumberToBN(value: BigNumber.BigNumber) {
+        return new BN(value.toString(), 10);
+    },
+    consoleLog(message: string): void {
+        /* tslint:disable */
+        console.log(message);
+        /* tslint:enable */
+    },
+};