NFT standard

.gitattributes

@@ -1,3 +1,5 @@
 yarn.lock linguist-generated=true -diff
 lib/**/*.js linguist-generated=true -diff
-lib/**/*.d.ts linguist-generated=true -diff
+lib/**/*.d.ts linguist-generated=true -diff
+near-contract-standards/lib/**/*.js linguist-generated=true -diff
+near-contract-standards/lib/**/*.d.ts linguist-generated=true -diff

.github/workflows/examples.yml

@@ -40,3 +40,5 @@ jobs:
         run: cd examples && yarn build:status-message && yarn test:status-message
       - name: parking-lot
         run: cd examples && yarn build:parking-lot && yarn test:parking-lot
+      - name: standard nft
+        run: cd examples && yarn build-nft && yarn test:nft

examples/__tests__/standard-nft/test_approval.ava.js

@@ -0,0 +1,258 @@
+import { Worker } from "near-workspaces";
+import test from "ava";
+
+test.beforeEach(async (t) => {
+  // Init the worker and start a Sandbox server
+  const worker = await Worker.init();
+
+  // Prepare sandbox for tests, create accounts, deploy contracts, etx.
+  const root = worker.rootAccount;
+
+  // Deploy status-message the contract.
+  const nft = await root.devDeploy("./build/my-nft.wasm");
+
+  // Create test accounts
+  const ali = await root.createSubAccount("alice");
+  const bob = await root.createSubAccount("bob");
+  const nftOwner = await root.createSubAccount("owner");
+  const nftReceiver = await root.devDeploy("./build/nft-receiver.wasm");
+  const approvalReceiver = await root.devDeploy(
+    "./build/nft-approval-receiver.wasm"
+  );
+
+  await nft.call(nft, "init", {
+    owner_id: nftOwner.accountId,
+    metadata: { spec: "nft-1.0.0", name: "My NFT", symbol: "NFT" },
+  });
+
+  await nftReceiver.call(nftReceiver, "init", nft.accountId);
+  await nftReceiver.call(approvalReceiver, "init", nft.accountId);
+
+  let token_metadata = {
+    title: "Olympus Mons",
+    description: "The tallest mountain in the charted solar system",
+    media: null,
+    media_hash: null,
+    copies: 1,
+    issued_at: null,
+    expires_at: null,
+    starts_at: null,
+    updated_at: null,
+    extra: null,
+    reference: null,
+    reference_hash: null,
+  };
+  await nftOwner.call(
+    nft,
+    "nft_mint",
+    ["0", nftOwner.accountId, token_metadata],
+    { attachedDeposit: "10 mN" }
+  );
+
+  // Save state for test runs, it is unique for each test
+  t.context.worker = worker;
+  t.context.accounts = {
+    root,
+    nft,
+    ali,
+    bob,
+    nftOwner,
+    nftReceiver,
+    approvalReceiver,
+  };
+});
+
+test.afterEach.always(async (t) => {
+  await t.context.worker.tearDown().catch((error) => {
+    console.log("Failed tear down the worker:", error);
+  });
+});
+
+test("Simple approve", async (t) => {
+  const { ali, bob, nft, nftOwner } = t.context.accounts;
+
+  let res = await nftOwner.callRaw(
+    nft,
+    "nft_approve",
+    ["0", ali.accountId, null],
+    { attachedDeposit: "510000000000000000000" }
+  );
+  t.assert(res.result.status.SuccessValue);
+
+  let alice_approved = await nft.view("nft_is_approved", [
+    "0",
+    ali.accountId,
+    null,
+  ]);
+  t.assert(alice_approved);
+
+  let alice_approval_id_is_1 = await nft.view("nft_is_approved", [
+    "0",
+    ali.accountId,
+    "1",
+  ]);
+  t.assert(alice_approval_id_is_1);
+
+  let alice_approval_id_is_2 = await nft.view("nft_is_approved", [
+    "0",
+    ali.accountId,
+    "2",
+  ]);
+  t.assert(!alice_approval_id_is_2);
+
+  res = await nftOwner.callRaw(nft, "nft_approve", ["0", ali.accountId, null], {
+    attachedDeposit: "1",
+  });
+  t.assert(res.result.status.SuccessValue);
+  alice_approval_id_is_2 = await nft.view("nft_is_approved", [
+    "0",
+    ali.accountId,
+    "2",
+  ]);
+  t.assert(alice_approval_id_is_2);
+
+  res = await nftOwner.callRaw(nft, "nft_approve", ["0", bob.accountId, null], {
+    attachedDeposit: "450000000000000000000",
+  });
+  t.assert(res.result.status.SuccessValue);
+
+  let bob_approval_id_is_3 = await nft.view("nft_is_approved", [
+    "0",
+    bob.accountId,
+    "3",
+  ]);
+  t.assert(bob_approval_id_is_3);
+});
+
+test("Approve call", async (t) => {
+  const { nft, nftOwner, approvalReceiver } = t.context.accounts;
+
+  let res = await nftOwner.call(
+    nft,
+    "nft_approve",
+    ["0", approvalReceiver.accountId, "return-now"],
+    { attachedDeposit: "450000000000000000000", gas: "300 Tgas" }
+  );
+  t.is(res, "cool");
+
+  res = await nftOwner.call(
+    nft,
+    "nft_approve",
+    ["0", approvalReceiver.accountId, "hahaha"],
+    { attachedDeposit: "1", gas: "300 Tgas" }
+  );
+  t.is(res, "hahaha");
+});
+
+test("Approved account transfers token", async (t) => {
+  const { ali, nft, nftOwner } = t.context.accounts;
+
+  let res = await nftOwner.callRaw(
+    nft,
+    "nft_approve",
+    ["0", ali.accountId, null],
+    { attachedDeposit: "510000000000000000000" }
+  );
+  t.assert(res.result.status.SuccessValue);
+
+  let token = await nft.view("nft_token", "0");
+  t.is(token.owner_id, nftOwner.accountId);
+
+  res = await ali.callRaw(
+    nft,
+    "nft_transfer",
+    [ali.accountId, "0", null, "gotcha! bahahaha"],
+    { attachedDeposit: "1" }
+  );
+  t.is(res.result.status.SuccessValue, "");
+
+  token = await nft.view("nft_token", "0");
+  t.is(token.owner_id, ali.accountId);
+});
+
+test("revoke", async (t) => {
+  const { ali, bob, nft, nftOwner } = t.context.accounts;
+
+  let res = await nftOwner.callRaw(
+    nft,
+    "nft_approve",
+    ["0", ali.accountId, null],
+    { attachedDeposit: "510000000000000000000" }
+  );
+  t.assert(res.result.status.SuccessValue);
+
+  res = await nftOwner.callRaw(nft, "nft_approve", ["0", bob.accountId, null], {
+    attachedDeposit: "510000000000000000000",
+  });
+  t.assert(res.result.status.SuccessValue);
+
+  res = await nftOwner.callRaw(nft, "nft_revoke", ["0", ali.accountId], {
+    attachedDeposit: "1",
+  });
+  t.is(res.result.status.SuccessValue, "");
+
+  let alice_approved = await nft.view("nft_is_approved", [
+    "0",
+    ali.accountId,
+    null,
+  ]);
+  t.assert(!alice_approved);
+
+  let bob_approved = await nft.view("nft_is_approved", [
+    "0",
+    bob.accountId,
+    null,
+  ]);
+  t.assert(bob_approved);
+
+  res = await nftOwner.callRaw(nft, "nft_revoke", ["0", bob.accountId], {
+    attachedDeposit: "1",
+  });
+  t.is(res.result.status.SuccessValue, "");
+
+  alice_approved = await nft.view("nft_is_approved", [
+    "0",
+    ali.accountId,
+    null,
+  ]);
+  t.assert(!alice_approved);
+
+  bob_approved = await nft.view("nft_is_approved", ["0", bob.accountId, null]);
+  t.assert(!bob_approved);
+});
+
+test("revoke all", async (t) => {
+  const { ali, bob, nft, nftOwner } = t.context.accounts;
+
+  let res = await nftOwner.callRaw(
+    nft,
+    "nft_approve",
+    ["0", ali.accountId, null],
+    { attachedDeposit: "510000000000000000000" }
+  );
+  t.assert(res.result.status.SuccessValue);
+
+  res = await nftOwner.callRaw(nft, "nft_approve", ["0", bob.accountId, null], {
+    attachedDeposit: "510000000000000000000",
+  });
+  t.assert(res.result.status.SuccessValue);
+
+  res = await nftOwner.callRaw(nft, "nft_revoke_all", "0", {
+    attachedDeposit: "1",
+  });
+  t.is(res.result.status.SuccessValue, "");
+
+  let alice_approved = await nft.view("nft_is_approved", [
+    "0",
+    ali.accountId,
+    null,
+  ]);
+  t.assert(!alice_approved);
+
+  let bob_approved = await nft.view("nft_is_approved", [
+    "0",
+    bob.accountId,
+    null,
+  ]);
+  t.assert(!bob_approved);
+});