contracts/test/signing.spec.ts

import chai, {assert, expect} from "chai";
import chaiBN from "chai-bn";
import BN from "bn.js";

chai.use(chaiBN(BN));

import {Address, Builder, Cell, contractAddress, Slice} from "ton";
import {runContract, SmartContract} from "ton-contract-executor";
import * as main from "../contracts/main";
import {internalMessage, randomAddress} from "./helpers";

import {hex} from "../build/nft-collection.compiled.json";
import {hex as item_code} from "../build/nft-item.compiled.json";
import {makeSnakeCell} from "../contracts/utils";
import {keyPairFromSeed, KeyPair, sign, keyPairFromSecretKey} from "ton-crypto";
import {signBuy} from "../contracts/main";

let ownerKeys = keyPairFromSeed(Buffer.from("0000000000000000000000000000000000000000000000000000000000000000", "hex"));
let ownerPubNum = new BN(ownerKeys.publicKey);
let data = main.collectionData({
    ownerAddress: randomAddress("owner"),
    code: Cell.fromBoc(item_code)[0],
    ownerKey: ownerPubNum,
});

describe("Signing tests", () => {
    let contract: SmartContract;
    let debug: boolean = true;

    beforeEach(async () => {
        contract = await SmartContract.fromCell(
            Cell.fromBoc(hex)[0],
            data,
            {debug: debug}
        );
        contract.setC7Config({
            myself: randomAddress("collection")
        })
    });

    it("allows to buy an item with a valid signature", async () => {
        main.setContractBalance(contract, 10 * main.TON(), randomAddress("collection"));
        let ownerAddr = randomAddress("dude");
        let signature = signBuy("test", randomAddress("collection"), ownerAddr, ownerKeys.secretKey);
        const sendToSelfMessage = internalMessage({
            from: ownerAddr,
            body: main.createItem({domain: "test", signature: signature}),
            value: new BN(100 * main.TON()),
        });
        const res = await contract.sendInternalMessage(sendToSelfMessage);
        // console.log(res);
        // let fs = require('fs');
        // fs.writeFile('logs.txt', res.logs, (_: any) => {});
        expect(res.type).to.equal("success");
        expect(res.exit_code).to.equal(0);
    });
    it("does not allow to buy an item if the signature is for another user", async () => {
        main.setContractBalance(contract, 10 * main.TON(), randomAddress("collection"));
        let signature = signBuy("test", randomAddress("collection"), randomAddress("dude"), ownerKeys.secretKey);
        const sendToSelfMessage = internalMessage({
            from: randomAddress("dude2"),
            body: main.createItem({domain: "test", signature: signature}),
            value: new BN(100 * main.TON()),
        });
        const res = await contract.sendInternalMessage(sendToSelfMessage);
        expect(res.type).to.equal("failed");
        expect(res.exit_code).to.equal(205);

    });

});