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feat: upgrade chainlink v2.5 for basic/15-nft-blindbox-chainlink-vr (#1171)
* upgrade ethers.js v6 12-token-crowdfund * update: upgrade chainlink v2.5 * feat: Added contract call for transferring token only by 80-chainlink-ccip * fix: update readme * Add contracts and scripts that generate NFT
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‎basic/15-nft-blindbox-chainlink-vrf/README-CN.md‎

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@@ -19,6 +19,8 @@ npm install
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Node版本：v20.11.0
2020
```
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### 生成随机数
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- 创建 ChainLink SubscriptionID
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登陆 [ChainLink VRF 测试网](https://vrf.chain.link/?_ga=2.225785050.1950508783.1645630272-1230768383.1643005305) , 点击 "Create Subscription" 创建 SubscriptionID , 之后可以在 "My Subscriptions" 中看到创建的 SubscriptionID
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<center><img src="./imgs/CreateSubscription.png?raw=true" /></center>
@@ -81,6 +83,18 @@ RandomWords 随机数生成之后，通过合约传入。./scripts/deployment.js
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<center><img src="./imgs/Events.png?raw=true" /></center>
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<center><img src="./imgs/RequestAndResult.png?raw=true" /></center>
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### 生成nft
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- 部署nft721 合约
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```sh
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npx hardhat run scripts/deployDungeonsAndDragonsCharacter.js --netwrok sepolia
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```
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- mint nft
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```sh
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npx hardhat run scripts/blindCharacter.js --netwrok sepolia
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```
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## 参考链接
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github 样例代码: https://github.com/PatrickAlphaC/dungeons-and-dragons-nft

‎basic/15-nft-blindbox-chainlink-vrf/README.md‎

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@@ -19,6 +19,8 @@ npm install
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Node Version：v20.11.0
2020
```
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### Generate random number
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- Create ChainLink SubscriptionID
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Login [ChainLink VRF Test network](https://vrf.chain.link/?_ga=2.225785050.1950508783.1645630272-1230768383.1643005305) , Click on "Create Subscription" to Create a SubscriptionID and you can see the created SubscriptionID under "My Subscriptions"
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<center><img src="./imgs/CreateSubscription.png?raw=true" /></center>
@@ -79,6 +81,18 @@ After the random number is generated, it can be viewed in Ehterscan
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<center><img src="./imgs/Events.png?raw=true" /></center>
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<center><img src="./imgs/RequestAndResult.png?raw=true" /></center>
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### generate NFT
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- Sacking the NFT721 contract
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```sh
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npx hardhat run scripts/deployDungeonsAndDragonsCharacter.js --netwrok sepolia
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```
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- Mint NFT
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```sh
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npx hardhat run scripts/blindCharacter.js --netwrok sepolia
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```
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## Refer to the link
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Github sample code: https://github.com/PatrickAlphaC/dungeons-and-dragons-nft

‎basic/15-nft-blindbox-chainlink-vrf/contracts/DungeonsAndDragonsCharacter.sol‎

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@@ -2,36 +2,46 @@
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// SPDX-License-Identifier: MIT
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pragma solidity >=0.8.0;
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import "./ERC721PresetMinterPauserAutoId.sol";
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import "./extensions/Strings.sol";
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import '@chainlink/contracts/src/v0.8/interfaces/LinkTokenInterface.sol';
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import '@chainlink/contracts/src/v0.8/interfaces/VRFCoordinatorV2Interface.sol';
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import '@chainlink/contracts/src/v0.8/VRFConsumerBaseV2.sol';
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contract DungeonsAndDragonsCharacter is ERC721PresetMinterPauserAutoId, VRFConsumerBaseV2 {
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import './ERC721PresetMinterPauserAutoId.sol';
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import './extensions/Strings.sol';
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// import '@chainlink/contracts/src/v0.8/interfaces/LinkTokenInterface.sol';
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// import '@chainlink/contracts/src/v0.8/interfaces/VRFCoordinatorV2Interface.sol';
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// import '@chainlink/contracts/src/v0.8/VRFConsumerBaseV2.sol';
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// import {VRFConsumerBaseV2Plus} from '@chainlink/contracts/src/v0.8/vrf/dev/VRFConsumerBaseV2Plus.sol';
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// import {VRFV2PlusClient} from '@chainlink/contracts/src/v0.8/vrf/dev/libraries/VRFV2PlusClient.sol';
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contract DungeonsAndDragonsCharacter is ERC721PresetMinterPauserAutoId {
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using Strings for string;
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event FulfillRandomness(uint256,uint256[]);
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event RequestId(address,uint256);
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// event FulfillRandomness(uint256, uint256[]);
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// event RequestId(address, uint256);
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// struct RequestStatus {
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// bool fulfilled; // whether the request has been successfully fulfilled
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// bool exists; // whether a requestId exists
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// uint256[] randomWords;
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// }
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// mapping(uint256 => RequestStatus) public s_requests; /* requestId --> requestStatus */
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VRFCoordinatorV2Interface COORDINATOR;
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LinkTokenInterface LINKTOKEN;
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// VRFCoordinatorV2Interface COORDINATOR;
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// LinkTokenInterface LINKTOKEN;
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// Your subscription ID.
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uint64 s_subscriptionId;
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// uint256 s_subscriptionId;
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// Goerli coordinator. For other networks,
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// sepolia coordinator. For other networks,
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// see https://docs.chain.link/docs/vrf-contracts/#configurations
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address vrfCoordinator = 0x2Ca8E0C643bDe4C2E08ab1fA0da3401AdAD7734D;
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// address vrfCoordinator = 0x9DdfaCa8183c41ad55329BdeeD9F6A8d53168B1B;
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// Goerli LINK token contract. For other networks,
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// sepolia LINK token contract. For other networks,
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// see https://docs.chain.link/docs/vrf-contracts/#configurations
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address link = 0x326C977E6efc84E512bB9C30f76E30c160eD06FB;
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// address link = 0x779877A7B0D9E8603169DdbD7836e478b4624789;
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// The gas lane to use, which specifies the maximum gas price to bump to.
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// For a list of available gas lanes on each network,
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// see https://docs.chain.link/docs/vrf-contracts/#configurations
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bytes32 keyHash = 0x79d3d8832d904592c0bf9818b621522c988bb8b0c05cdc3b15aea1b6e8db0c15;
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// bytes32 keyHash = 0x787d74caea10b2b357790d5b5247c2f63d1d91572a9846f780606e4d953677ae;
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// Depends on the number of requested values that you want sent to the
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// fulfillRandomWords() function. Storing each word costs about 20,000 gas,
@@ -64,74 +74,56 @@ contract DungeonsAndDragonsCharacter is ERC721PresetMinterPauserAutoId, VRFConsu
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Character[] public characters;
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mapping(uint256 => string) requestToCharacterName;
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mapping(uint256 => address) requestToSender;
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mapping(uint256 => uint256) requestToRandnum;
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constructor(uint64 subscriptionId,string memory tokenURI)
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public
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VRFConsumerBaseV2(vrfCoordinator)
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ERC721PresetMinterPauserAutoId("DungeonsAndDragonsCharacter", "D&D",tokenURI)
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{
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COORDINATOR = VRFCoordinatorV2Interface(vrfCoordinator);
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LINKTOKEN = LinkTokenInterface(link);
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s_subscriptionId = subscriptionId;
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}
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function requestNewRandomCharacter(
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string memory name
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) public returns (uint256) {
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// Will revert if subscription is not set and funded.
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uint256 requestId = COORDINATOR.requestRandomWords(keyHash, s_subscriptionId, requestConfirmations, callbackGasLimit, numWords);
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emit RequestId(msg.sender,requestId);
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requestToCharacterName[requestId] = name;
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requestToSender[requestId] = msg.sender;
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return requestId;
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}
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// mapping(uint256 => string) requestToCharacterName;
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// mapping(uint256 => address) requestToSender;
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// mapping(uint256 => uint256) requestToRandnum;
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constructor(string memory tokenURI, string memory _name) public ERC721PresetMinterPauserAutoId(_name, 'D&D', tokenURI) {}
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// @param enableNativePayment: Set to `true` to enable payment in native tokens, or
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// `false` to pay in LINK
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// function requestNewRandomCharacter(string memory name, bool enableNativePayment) public returns (uint256) {
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// // Will revert if subscription is not set and funded.
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// // uint256 requestId = s_vrfCoordinator.requestRandomWords(keyHash, s_subscriptionId, requestConfirmations, callbackGasLimit, numWords);
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// uint256 requestId = s_vrfCoordinator.requestRandomWords(
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// VRFV2PlusClient.RandomWordsRequest({
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// keyHash: keyHash,
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// subId: s_subscriptionId,
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// requestConfirmations: requestConfirmations,
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// callbackGasLimit: callbackGasLimit,
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// numWords: numWords,
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// extraArgs: VRFV2PlusClient._argsToBytes(VRFV2PlusClient.ExtraArgsV1({nativePayment: enableNativePayment}))
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// })
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// );
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// requestToCharacterName[requestId] = name;
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// requestToSender[requestId] = msg.sender;
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// emit RequestId(msg.sender, requestId);
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// return requestId;
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// }
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function setTokenURI(uint256 tokenId, string memory _tokenURI) public {
94-
require(
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_isApprovedOrOwner(_msgSender(), tokenId),
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"ERC721: transfer caller is not owner nor approved"
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);
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require(_isApprovedOrOwner(_msgSender(), tokenId), 'ERC721: transfer caller is not owner nor approved');
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_setTokenURI(tokenId, _tokenURI);
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}
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function fulfillRandomWords(
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uint256 requestId, /* requestId */
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uint256[] memory randomWords)
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internal override
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{
106-
requestToRandnum[requestId] = randomWords[0];
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// function fulfillRandomWords(uint256 _requestId /* requestId */, uint256[] calldata _randomWords) internal override {
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// requestToRandnum[_requestId] = _randomWords[0];
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// emit FulfillRandomness(_requestId, _randomWords);
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// }
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emit FulfillRandomness(requestId,randomWords);
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}
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function blindCharacter(uint256 requestId) public {
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uint256 randomNum = requestToRandnum[requestId];
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function blindCharacter(uint256 _randomNum, address _requestToSender, string memory _name) public {
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uint256 newId = characters.length;
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uint256 randomNum = _randomNum;
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uint256 strength = (randomNum % 100);
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uint256 dexterity = ((randomNum % 10000) / 100 );
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uint256 constitution = ((randomNum % 1000000) / 10000 );
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uint256 intelligence = ((randomNum % 100000000) / 1000000 );
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uint256 wisdom = ((randomNum % 10000000000) / 100000000 );
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uint256 dexterity = ((randomNum % 10000) / 100);
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uint256 constitution = ((randomNum % 1000000) / 10000);
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uint256 intelligence = ((randomNum % 100000000) / 1000000);
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uint256 wisdom = ((randomNum % 10000000000) / 100000000);
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uint256 charisma = ((randomNum % 1000000000000) / 10000000000);
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uint256 experience = 0;
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characters.push(
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Character(
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strength,
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dexterity,
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constitution,
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intelligence,
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wisdom,
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charisma,
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experience,
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requestToCharacterName[requestId]
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)
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);
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_safeMint(requestToSender[requestId], newId);
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characters.push(Character(strength, dexterity, constitution, intelligence, wisdom, charisma, experience, _name));
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_safeMint(_requestToSender, newId);
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}
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function getLevel(uint256 tokenId) public view returns (uint256) {
@@ -142,21 +134,17 @@ contract DungeonsAndDragonsCharacter is ERC721PresetMinterPauserAutoId, VRFConsu
142134
return characters.length;
143135
}
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145-
function getCharacterOverView(uint256 tokenId)
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public
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view
148-
returns (
149-
string memory,
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uint256,
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uint256,
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uint256
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)
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{
137+
function getCharacterOverView(uint256 tokenId) public view returns (string memory, uint256, uint256, uint256) {
155138
return (
156-
characters[tokenId].name,
157-
characters[tokenId].strength + characters[tokenId].dexterity + characters[tokenId].constitution + characters[tokenId].intelligence + characters[tokenId].wisdom + characters[tokenId].charisma,
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getLevel(tokenId),
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characters[tokenId].experience
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characters[tokenId].name,
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characters[tokenId].strength +
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characters[tokenId].dexterity +
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characters[tokenId].constitution +
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characters[tokenId].intelligence +
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characters[tokenId].wisdom +
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characters[tokenId].charisma,
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getLevel(tokenId),
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characters[tokenId].experience
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);
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}
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169157
}
170158
}
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// expand to more random
173-
// function expand(uint256 randomValue, uint256 n) public pure returns (uint256[] memory expandedValues) {
174-
// expandedValues = new uint256[](n);
175-
// for (uint256 i = 0; i < n; i++) {
176-
// expandedValues[i] = uint256(keccak256(abi.encode(randomValue, i)));
177-
// }
178-
// return expandedValues;
179-
// }
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// expand to more random
161+
// function expand(uint256 randomValue, uint256 n) public pure returns (uint256[] memory expandedValues) {
162+
// expandedValues = new uint256[](n);
163+
// for (uint256 i = 0; i < n; i++) {
164+
// expandedValues[i] = uint256(keccak256(abi.encode(randomValue, i)));
165+
// }
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// return expandedValues;
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// }
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}

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