dev: selling

.gitignore

@@ -0,0 +1,4 @@
+node_modules
+.vscode
+contracts/dns-contract
+.gitmodules

contracts/imports/op-codes.fc

@@ -17,7 +17,8 @@ int op::editorship_assigned() asm "0x511a4463 PUSHINT";
 
 ;; Collection
 int op::new_nft() asm "0x1a039a51 PUSHINT";
-int op::instant_buy_new_nft() asm "16c7d435 PUSHINT";
+int op::instant_buy_new_nft() asm "0x16c7d435 PUSHINT";
+int op::init_after_buy() asm "0x437dc408 PUSHINT";
 
 ;; DNS
 const int op::fill_up = 0x370fec51;

contracts/main.fc

@@ -52,11 +52,19 @@ cell pack_auction(slice max_bid_address, int max_bid_amount, int auction_end_tim
             .end_cell();
 }
 
+int get_public_key() method_id {
+    var cs = get_data().begin_parse();
+    cs~load_ref();
+    return cs.preload_uint(256);
+}
 
-;; cell content, cell nft_item_code, uint256 index, address collection_address,
+;; 
+;;  cell: cell content, cell nft_item_code, uint256 index, address collection_address,
 ;;        address owner_address, cell domain, cell auction, int last_fill_up_time
+;;  uint256 public_key
 (cell, cell, int, int, slice, slice, cell, cell, int) load_data() {
-    slice ds = get_data().begin_parse();
+    slice root_cell = get_data().begin_parse();
+    slice ds = root_cell~load_ref().begin_parse();
 	cell code = ds~load_ref(); ;; code
     var (index, collection_address) = (ds~load_uint(256), ds~load_msg_addr());
     if (ds.slice_bits() > 0) {
@@ -105,20 +113,10 @@ cell pack_state(cell content, cell nft_item_code, int index, slice collection_ad
 
 ;; Serialize the data using the storage schema
 () store_data(cell content, cell nft_item_code, int index, slice collection_address, slice owner_address, cell domain, cell auction, int last_fill_up_time) impure {
-    ;; set_data(
+    cell data = pack_state(content, nft_item_code, index, collection_address, owner_address, domain, auction, last_fill_up_time);
-    ;;         begin_cell()
+    int public_key = get_public_key();
-	;; 				.store_ref(nft_item_code)
+
-    ;;                 .store_uint(index, 256)
+    set_data(begin_cell().store_ref(data).store_uint(public_key, 256).end_cell());
-    ;;                 .store_slice(collection_address)
-    ;;                 .store_slice(owner_address)
-    ;;                 .store_ref(content)
-    ;;                 .store_ref(domain)
-    ;;                 .store_dict(auction)
-    ;;                 .store_uint(last_fill_up_time, 64)
-    ;;                 .end_cell()
-    ;; );
-
-    set_data(pack_state(content, nft_item_code, index, collection_address, owner_address, domain, auction, last_fill_up_time));
 }
 
 () send_msg(slice to_address, int amount, int op, int query_id, builder payload, int send_mode) impure inline {
@@ -205,7 +203,7 @@ cell pack_nft_item_state(cell nft_item_code, cell data) impure {
     return begin_cell().store_uint(0, 2).store_dict(nft_item_code).store_dict(data).store_uint(0, 1).end_cell();
 }
 
-() deploy_bought_item(int item_index, cell code, slice owner_address, slice domain) impure {
+() deploy_bought_item(int item_index, cell code, slice owner_address, cell domain) impure {
     ;;  cell nft_item_code
     ;;  uint256 index                      ---       The index of this item in the collection
     ;;  MsgAddressInt collection_address
@@ -220,7 +218,7 @@ cell pack_nft_item_state(cell nft_item_code, cell data) impure {
         .store_slice(my_address())
         .store_slice(owner_address)
         .store_dict(null())
-        .store_ref(begin_cell().store_uint(1, 1).store_slice(domain).end_cell()) ;; TODO: snake cell
+        .store_ref(domain) ;; snake cell
         .store_dict(null())
         .store_uint(0, 64)
         .end_cell();
@@ -233,7 +231,8 @@ cell pack_nft_item_state(cell nft_item_code, cell data) impure {
             .store_coins(0)
             .store_uint(4 + 2 + 1, 1 + 4 + 4 + 64 + 32 + 1 + 1 + 1)
             .store_ref(state_init)
-            .store_uint(1, 1);  ;; the content of the NFT item, will be treated as the parameter of the first incoming message
+            .store_uint(1, 1)
+            .store_ref(begin_cell().store_uint(0x437dc408, 32).end_cell());  ;; the content of the NFT item, will be treated as the parameter of the first incoming message
     send_raw_message(msg.end_cell(), 64); ;; carry all the remaining value of the inbound message, fee deducted from amount
 }
 
@@ -314,32 +313,30 @@ cell pack_nft_item_state(cell nft_item_code, cell data) impure {
         store_data(content, item_code, index, collection_address, owner_address, domain, auction, last_fill_up_time);
     }
 
+    if (op == op::init_after_buy()) {
+        return ();
+    }
     if (op == op::instant_buy_new_nft()) {
         ;; parsing of the signed 'option'
-        ;; signature structure: (receiver_addr, collection_address, )
+        ;; signature structure: (receiver_addr, issued_collection_address, amount, domain)
-        cell option_data = in_msg_body~load_ref();
+        slice signature = in_msg_body~load_bits(512);
-        cell signature = in_msg_body~load_ref();
+        int amount = in_msg_body~load_uint(256);
-        slice reader = option_data.begin_parse();
+        slice issued_collection_addr = my_address();
-
+        cell new_domain = in_msg_body~load_ref();
-        slice receiver_addr = reader~load_msg_addr();
+
-        slice issued_collection_addr = reader~load_msg_addr();
+        int public_key = get_public_key();
-        int amount = reader~load_uint(256);
+        cell signed_data = begin_cell().store_slice(sender_address).store_slice(issued_collection_addr).store_uint(amount, 256).store_ref(new_domain).end_cell();
-        slice new_domain = reader;
+        int hash = cell_hash(signed_data);
-        throw_unless(411, slice_bits(new_domain) > 0);
+        dump_stack();
-        throw_unless(412, equal_slices(receiver_addr, sender_address)); ;; TODO: Unsure here
+        int success? = check_signature(hash, signature, public_key);
-        throw_unless(413, equal_slices(issued_collection_addr, my_address()));
+        throw_unless(413, success?);
-        int success = check_data_signature(option_data.begin_parse(), signature.begin_parse(), owner_address);
+        throw_unless(414, msg_value >= amount);
-        throw_unless(413, success);
+
-        throw_unless(414, msg_value > amount);
+        int amount_to_send = msg_value - amount; ;; TODO: Handle this later, reroute coins
-
+
-        amount_to_send = msg_value - amount; ;; TODO: Handle this later, reroute coins
+        int new_item_index = cell_hash(new_domain);
-
+        deploy_bought_item(new_item_index, item_code, sender_address, new_domain);
-        int new_item_index = slice_hash(new_domain);
-        deploy_bought_item(item_index, cell item_code, slice receiver_addr, slice new_domain);
         return ();
-
-        ;; init_state = pack_state(... add domain here ...)
-        ;; use modified function `deploy_nft_item` <- init_state
     }
     if (op == op::new_nft()) {
         throw_unless(401, equal_slices(sender_address, owner_address));
@@ -356,7 +353,6 @@ cell pack_nft_item_state(cell nft_item_code, cell data) impure {
         store_data(in_msg_body~load_ref(), item_code, index, collection_address, owner_address, domain, auction, now());
         return ();
     }
-
     if (op == op::get_static_data()) {
         send_msg(sender_address, 0, op::report_static_data(), query_id, begin_cell().store_uint(index, 256).store_slice(collection_address), 64); ;; carry all the remaining value of the inbound message
         return ();

contracts/main.ts

@@ -2,9 +2,17 @@ import BN from "bn.js";
 import { Cell, beginCell, Address } from "ton";
 import { C7Config, SmartContract } from "ton-contract-executor";
 import {encodeOffChainContent, makeSnakeCell} from "./utils";
+import { randomBytes } from "crypto";
+import { keyPairFromSeed, KeyPair, sign } from "ton-crypto";
+import { ExpansionPanelActions } from "@material-ui/core";
 
 // encode contract storage according to save_data() contract method
 
+export function genKeyPair(): KeyPair {
+  let seed = randomBytes(32);
+  return keyPairFromSeed(seed);
+}
+
 //  nft_item_code:^Cell
 //  uint256 index
 //  MsgAddressInt collection_address
@@ -13,8 +21,8 @@ import {encodeOffChainContent, makeSnakeCell} from "./utils";
 //  cell domain - e.g contains "alice" (without ending \0) for "alice.ton" domain
 //  cell auction - auction info
 //  int64 last_fill_up_time
-export function data(params: { ownerAddress: Address; collectionAddress: Address, code: Cell, domain: String }): Cell {
+export function data(params: { ownerAddress: Address; collectionAddress: Address, code: Cell, domain: String, publicKey: Buffer }): Cell {
-  return beginCell()
+  let data_cell = beginCell()
       // For code: https://github.com/getgems-io/nft-contracts/blob/main/packages/contracts/sources/nft-auction/build.sh
       .storeRef(params.code)
       .storeUint(0, 256)
@@ -24,6 +32,8 @@ export function data(params: { ownerAddress: Address; collectionAddress: Address
       .storeRef(makeSnakeCell(Buffer.from(params.domain)))
       .storeDict(null)
       .storeUint(0, 64).endCell();
+
+  return beginCell().storeRef(data_cell).storeBuffer(params.publicKey).endCell();
 }
 
 export function auctionWithWinner(winnerAddress: Address) {
@@ -42,8 +52,33 @@ export function transferOwnership(params: { newOwnerAddress: Address }): Cell {
   return beginCell().storeUint(0x5fcc3d14, 32).storeUint(0, 64).storeAddress(params.newOwnerAddress).storeAddress(null).storeInt(0, 1).storeCoins(1 * TON()).endCell();
 }
 
+export function instantBuySignature(receiverAddress: Address, issuedCollectionAddr: Address, amount: number, domain: Cell, privateKey: Buffer): Buffer {
+  let messageToSign = beginCell().storeAddress(receiverAddress).storeAddress(issuedCollectionAddr).storeUint(amount, 256).storeRef(domain).endCell();
+  let hash = messageToSign.hash();
+  // console.log(hash.toString("hex"));
+  // console.log((new BN(hash)).toString(10))
+  // return sign(hash, privateKey);
+  let althash = new BN("FF11841721E4DAD5AE679A1A338B2EBFC5AAF7529C200B4EF9D71831B1DCB969", "hex");
+  return sign(althash.toBuffer(), privateKey);
+}
+
+export function instantBuyMessage(params: { receiverAddress: Address, issuedCollectionAddr: Address, price: number, domain: String, privateKey: Buffer}): Cell {
+  let domainSnakeCell = makeSnakeCell(Buffer.from(params.domain));
+  let signature = instantBuySignature(params.receiverAddress, params.issuedCollectionAddr, params.price, domainSnakeCell, params.privateKey);
+  console.log(signature.toString("hex").toUpperCase());
+  let cell = beginCell()
+             .storeUint(0x16c7d435, 32) // opcode
+             .storeUint(0, 64) // query id
+             .storeBuffer(signature) // body
+             .storeUint(params.price, 256)
+             .storeRef(domainSnakeCell).endCell();
+  return cell;
+}
+
 export function currentState(contract: SmartContract) {
-  let reader = contract.dataCell.beginParse();
+  let c4 = contract.dataCell.beginParse();
+  let reader = c4.readRef();
+
   return {
     nft_item_code: reader.readRef(),
     index: reader.readUint(256),

package.json

@@ -26,7 +26,7 @@
     "mocha": "^9.1.3",
     "prando": "^6.0.1",
     "prettier": "^2.6.2",
-    "ton": "9.9.0",
+    "ton": "^12.3.3",
     "ton-contract-executor": "^0.4.8",
     "ton-crypto": "^3.1.0",
     "ts-node": "^10.4.0",

test/ownership.spec.ts

@@ -13,6 +13,7 @@ import { hex } from "../build/main.compiled.json";
 describe("Transfer ownership tests", () => {
   let contract: SmartContract;
   let debug: boolean = false;
+  let keyPair = main.genKeyPair();
 
   beforeEach(async () => {
     contract = await SmartContract.fromCell(
@@ -22,6 +23,7 @@ describe("Transfer ownership tests", () => {
         code: Cell.fromBoc(hex)[0],
         collectionAddress: randomAddress("collection"),
         domain: "alice",
+        publicKey: keyPair.publicKey
       }),
       { debug: debug }
     );

test/selling.spec.ts

@@ -0,0 +1,56 @@
+import chai, { assert, expect } from "chai";
+import chaiBN from "chai-bn";
+import BN from "bn.js";
+chai.use(chaiBN(BN));
+
+import { Builder, Cell, Slice } from "ton";
+import { SmartContract } from "ton-contract-executor";
+import * as main from "../contracts/main";
+import { internalMessage, randomAddress } from "./helpers";
+
+import { hex } from "../build/main.compiled.json";
+import { makeSnakeCell } from "../contracts/utils";
+import { signVerify } from "ton-crypto";
+
+describe("Selling tests (instant buy)", () => {
+  let contract: SmartContract;
+  let debug: boolean = true;
+  let keyPair = main.genKeyPair();
+
+  beforeEach(async () => {
+    contract = await SmartContract.fromCell(
+      Cell.fromBoc(hex)[0],
+      main.data({
+        ownerAddress: randomAddress("owner"),
+        code: Cell.fromBoc(hex)[0],
+        collectionAddress: randomAddress("collection"),
+        domain: "alice",
+        publicKey: keyPair.publicKey
+      }),
+      { debug: debug }
+    );
+  });
+
+  it("Sell", async () => {
+    main.setContractBalance(contract, 10 * main.TON());
+    const sellMessage = internalMessage({
+      from: randomAddress("buyer"),
+      body: main.instantBuyMessage({
+        receiverAddress: randomAddress("buyer"),
+        issuedCollectionAddr: randomAddress("collection"),
+        price: 10 * main.TON(),
+        domain: "bob",
+        privateKey: keyPair.secretKey
+      }),
+      value: new BN(10 * main.TON())
+    });
+    context("Public key is correct", async () => {
+        const pubKeyRes = await contract.invokeGetMethod("get_public_key", []);
+        expect(pubKeyRes.result[0]).to.equal(keyPair.publicKey);
+    });
+
+    const res = await contract.sendInternalMessage(sellMessage);    
+    expect(res.type).to.equal("success");
+    expect(res.exit_code).to.equal(0);
+  });
+});