public async void ShouldDeployContractCreateNftMetadataUploadToIpfsAndMint()
{
//This is the same as ERC721 in mainnet
var web3 = new Web3(new Account("YOUR PRIVATE KEY", 69), "https://kovan.optimism.io");
web3.Eth.TransactionManager.UseLegacyAsDefault = true;
//creating our deployment information (this includes the bytecode already)
//This example creates an NFT Property (Real state) registry
var erc721Deployment = new ERC721EnumerableUriStorageDeployment()
{
Name = "Property Registry", Symbol = "PR"
};
//Deploy the erc721Minter
var deploymentReceipt = await ERC721EnumerableUriStorageService.DeployContractAndWaitForReceiptAsync(web3, erc721Deployment);
//creating a new service with the new contract address
var erc721Service = new ERC721EnumerableUriStorageService(web3, deploymentReceipt.ContractAddress);
//uploading to ipfs our documents
var nftIpfsService = new NFTIpfsService("https://ipfs.infura.io:5001");
var imageIpfs = await nftIpfsService.AddFileToIpfsAsync("Images/image1.png");
//adding all our document ipfs links to the metadata and the description
var metadataNFT = new NftMetadata()
{
Name = "Nethereum + Optimism",
Image = "ipfs://" + imageIpfs.Hash,
ExternalUrl = "https://github.com/Nethereum/OptimismTemplate"
};
//Adding the metadata to ipfs
var metadataIpfs =
await nftIpfsService.AddNftsMetadataToIpfsAsync(metadataNFT, "Metadata.json");
var addressToRegisterOwnership = "0xe612205919814b1995D861Bdf6C2fE2f20cDBd68";
//Minting the nft with the url to the ipfs metadata
var mintReceipt = await erc721Service.MintRequestAndWaitForReceiptAsync(
addressToRegisterOwnership, "ipfs://" + metadataIpfs.Hash);
//we have just minted our first nft so the nft will have the id of 0.
var ownerOfToken = await erc721Service.OwnerOfQueryAsync(0);
Assert.True(ownerOfToken.IsTheSameAddress(addressToRegisterOwnership));
var addressOfToken = await erc721Service.TokenURIQueryAsync(0);
Assert.Equal("ipfs://" + metadataIpfs.Hash, addressOfToken);
var ps = new ProcessStartInfo("https://ipfs.infura.io/ipfs/" + imageIpfs.Hash)
{
UseShellExecute = true,
Verb = "open"
};
Process.Start(ps);
}
public static async Task <ERC721EnumerableUriStorageService> DeployContractAndGetServiceAsync(Nethereum.Web3.Web3 web3, ERC721EnumerableUriStorageDeployment eRC721EnumerableUriStorageDeployment, CancellationTokenSource cancellationTokenSource = null)
{
var receipt = await DeployContractAndWaitForReceiptAsync(web3, eRC721EnumerableUriStorageDeployment, cancellationTokenSource);
return(new ERC721EnumerableUriStorageService(web3, receipt.ContractAddress));
}
public static Task <string> DeployContractAsync(Nethereum.Web3.Web3 web3, ERC721EnumerableUriStorageDeployment eRC721EnumerableUriStorageDeployment)
{
return(web3.Eth.GetContractDeploymentHandler <ERC721EnumerableUriStorageDeployment>().SendRequestAsync(eRC721EnumerableUriStorageDeployment));
}
public static Task <TransactionReceipt> DeployContractAndWaitForReceiptAsync(Nethereum.Web3.Web3 web3, ERC721EnumerableUriStorageDeployment eRC721EnumerableUriStorageDeployment, CancellationTokenSource cancellationTokenSource = null)
{
return(web3.Eth.GetContractDeploymentHandler <ERC721EnumerableUriStorageDeployment>().SendRequestAndWaitForReceiptAsync(eRC721EnumerableUriStorageDeployment, cancellationTokenSource));
}
