Merge pull request #329 from near/fix-238

move IntoStorageKey alike feature to lib

examples/src/standard-nft/my-nft.ts

@@ -1,22 +1,21 @@
 import { NonFungibleToken } from "near-contract-standards/lib";
 import {
   assert,
-  bytes,
   call,
   initialize,
   near,
   NearBindgen,
   NearPromise,
   PromiseOrValue,
   view,
+  IntoStorageKey
 } from "near-sdk-js";
 import {
   NFTContractMetadata,
   NonFungibleTokenMetadataProvider,
   TokenMetadata,
 } from "near-contract-standards/lib/non_fungible_token/metadata";
 import {
-  IntoStorageKey,
   Option,
 } from "near-contract-standards/lib/non_fungible_token/utils";
 import { AccountId } from "near-sdk-js";

packages/near-contract-standards/src/non_fungible_token/impl.ts

@@ -9,14 +9,14 @@ import {
   bytes,
   serialize,
   str,
+  IntoStorageKey,
 } from "near-sdk-js";
 import { TokenMetadata } from "./metadata";
 import {
   refund_storage_deposit,
   refund_deposit,
   refund_deposit_to_account,
   assert_at_least_one_yocto,
-  IntoStorageKey,
   Option,
   assert_one_yocto,
 } from "./utils";

packages/near-contract-standards/src/non_fungible_token/utils.ts

@@ -58,7 +58,3 @@ export function assert_one_yocto(): void {
 }
 
 export type Option<T> = T | null;
-
-export interface IntoStorageKey {
-  into_storage_key(): string;
-}

packages/near-sdk-js/src/utils.ts

@@ -222,3 +222,10 @@ export function encode(s: string): Uint8Array {
 export function decode(a: Uint8Array): string {
   return env.uint8array_to_utf8_string(a);
 }
+
+/**
+ * When implemented, allow object to be stored as collection key
+ */
+export interface IntoStorageKey {
+  into_storage_key(): string;
+}