feat: add zkSync with RedStone tutorial

[cehali]

Tutorial submission

Title of the tutorial

zkSync and RedStone stable price NFT marketplace tutorial

Brief tutorial description

This tutorial will show how to use RedStone oracles on the zkSync Era blockchain. It is designed as an example dApp of a stable price NFT marketplace. It means that sellers can create sell orders (offers), specifying the price amount in USD. But buyers are able to pay with native coins, the required amount of which is calculated dynamically at the moment of the order execution. Users will be requested to add a few crucial parts which will make it possible to use RedStone data on-chain and run application on zkSync local testnet.

Checklist

Please ensure you've completed the following tasks:

• I confirm that this tutorial is an original work and hasn't been published elsewhere.
• I confirm that I am the rightful intellectual property owner (author) of this submission.
• The tutorial includes referenced and relevant external sources (if applicable).
• The tutorial includes working code snippets to illustrate concepts.
• I have adhered to the tutorial guidelines provided in the repository.

[idea404]

Some minor suggestions and comments

[idea404]

Suggested change

	git clone https://github.com/redstone-finance/stable-price-marketplace
	git clone https://github.com/zkSync-Community-Hub/tutorials

[cehali]

Fixed

[idea404]

Suggested change

	cd stable-price-marketplace
	cd tutorials/tutorials/zkSync-RedStone-stable-price-marketplace-tutorial

[cehali]

Fixed

[idea404]

Do the tests all pass on your end? When I run the tests I get:

yarn test
yarn run v1.22.19
$ NODE_ENV=test hardhat test --network zkSyncTestnet


  ExampleNFT
    ✔ Should deploy ExampleNFT (2136ms)
    ✔ Should mint 2 NFTs (1778ms)
    ✔ User1 should approve spending and User2 should spend (2838ms)

  Marketplace core functions test
    ✔ Should deploy contracts (3038ms)
    ✔ Should mint NFT (889ms)
    ✔ Seller should post sell order for token 1 with ETH price (2859ms)
    ✔ Should get all orders
Expected ETH amount: 1.0
    ✔ Buying should fail with smaller amount then seller requested (316ms)
Expected ETH amount: 1.0
    ✔ Buyer should buy token 1 for ETH price (917ms)
    ✔ Should post and cancel order (4811ms)

  Marketplace core functions test
    ✔ Should deploy contracts (2953ms)
    ✔ Should mint NFT (1901ms)
    ✔ Seller should post sell order for token 2 with stable USD price (2778ms)
    ✔ Should wrap marketplace contract with redstone wrapper
Expected ETH amount: 0.0
    1) Buying should fail with smaller amount then seller requested
Expected ETH amount: 0.0
    2) Buyer should buy token for USD price expressed in ETH


  14 passing (31s)
  2 failing

  1) Marketplace core functions test
       Buying should fail with smaller amount then seller requested:
     AssertionError: Expected transaction to be reverted
      at runMicrotasks (<anonymous>)
      at processTicksAndRejections (node:internal/process/task_queues:96:5)
      at async Context.<anonymous> (test/stable-marketplace.test.ts:88:5)

  2) Marketplace core functions test
       Buyer should buy token for USD price expressed in ETH:
     Error: cannot estimate gas; transaction may fail or may require manual gas limit [ See: https://links.ethers.org/v5-errors-UNPREDICTABLE_GAS_LIMIT ] (error={"reason":"execution reverted","code":"UNPREDICTABLE_GAS_LIMIT","method":"estimateGas","transaction":{"from":"0xa61464658AfeAf65CccaaFD3a512b69A83B77618","gasPrice":{"type":"BigNumber","hex":"0x0ee6b280"},"to":"0x0a67078A35745947A37A552174aFe724D8180c25","value":{"type":"BigNumber","hex":"0x00"},"data":"0xd96a094a0000000000000000000000000000000000000000000000000000000000000000455448000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000025171e97dd018a845a3920000000200000010184df94c1cdf3dacc79d3081d78a5798364ee89ab96a76a9145e796ad9db325299c10dba57d6b4cb294ea811069d44477a21c718d6785174d52fa86bd6ef94a1b00013136393434333736373338343623302e322e352372656473746f6e652d6d61696e2d64656d6f000026000002ed57011e0000","type":0,"accessList":null},"error":{"reason":"processing response error","code":"SERVER_ERROR","body":"{\"jsonrpc\":\"2.0\",\"error\":{\"code\":3,\"message\":\"execution reverted\",\"data\":\"0x\"},\"id\":68}","error":{"code":3,"data":"0x"},"requestBody":"{\"method\":\"eth_estimateGas\",\"params\":[{\"gasPrice\":\"0xee6b280\",\"type\":\"0x0\",\"value\":\"0x0\",\"from\":\"0xa61464658afeaf65cccaafd3a512b69a83b77618\",\"to\":\"0x0a67078a35745947a37a552174afe724d8180c25\",\"data\":\"0xd96a094a0000000000000000000000000000000000000000000000000000000000000000455448000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000025171e97dd018a845a3920000000200000010184df94c1cdf3dacc79d3081d78a5798364ee89ab96a76a9145e796ad9db325299c10dba57d6b4cb294ea811069d44477a21c718d6785174d52fa86bd6ef94a1b00013136393434333736373338343623302e322e352372656473746f6e652d6d61696e2d64656d6f000026000002ed57011e0000\"}],\"id\":68,\"jsonrpc\":\"2.0\"}","requestMethod":"POST","url":"http://localhost:3050"}}, tx={"data":"0xd96a094a0000000000000000000000000000000000000000000000000000000000000000455448000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000025171e97dd018a845a3920000000200000010184df94c1cdf3dacc79d3081d78a5798364ee89ab96a76a9145e796ad9db325299c10dba57d6b4cb294ea811069d44477a21c718d6785174d52fa86bd6ef94a1b00013136393434333736373338343623302e322e352372656473746f6e652d6d61696e2d64656d6f000026000002ed57011e0000","to":{},"from":"0xa61464658AfeAf65CccaaFD3a512b69A83B77618","value":{"type":"BigNumber","hex":"0x00"},"type":0,"gasPrice":{},"nonce":{},"gasLimit":{},"chainId":{}}, code=UNPREDICTABLE_GAS_LIMIT, version=abstract-signer/5.7.0)
      at Logger.makeError (node_modules/@ethersproject/logger/src.ts/index.ts:269:28)
      at Logger.throwError (node_modules/@ethersproject/logger/src.ts/index.ts:281:20)
      at /Users/dennis/Documents/Code/tutorials/tutorials/zkSync-RedStone-stable-price-marketplace-tutorial/node_modules/@ethersproject/abstract-signer/src.ts/index.ts:301:31
      at runMicrotasks (<anonymous>)
      at processTicksAndRejections (node:internal/process/task_queues:96:5)
      at async Promise.all (index 7)



error Command failed with exit code 2.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

[cehali]

Yes, but they will pass when you populate functions indicated in the tutorial like buy in dApp or _getPriceFromOrder in StableMarketplace contract

[idea404]

Suggested change

	async function buy(orderId) {
	async function buy(orderId: string) {

[cehali]

Fixed

[idea404]

This command does not exist in package.json

[cehali]

Fixed

[idea404]

Sadly I try and get the following error:

Only one request is sent:

[cehali]

Fixed, the problem was with an invalid function name in the tutorial text