public void NftBurn()
{
var owner = KeyPair.Generate();
var simulator = new ChainSimulator(owner, 1234);
var nexus = simulator.Nexus;
var chain = nexus.RootChain;
var symbol = "COOL";
var testUser = KeyPair.Generate();
// Create the token CoolToken as an NFT
simulator.BeginBlock();
simulator.GenerateToken(owner, symbol, "CoolToken", 0, 0, Blockchain.Tokens.TokenFlags.None);
simulator.EndBlock();
// Send some SOUL to the test user (required for gas used in "burn" transaction)
simulator.BeginBlock();
simulator.GenerateTransfer(owner, testUser.Address, chain, Nexus.FuelTokenSymbol, UnitConversion.ToBigInteger(1, Nexus.FuelTokenDecimals));
simulator.EndBlock();
var token = simulator.Nexus.GetTokenInfo(symbol);
var tokenData = new byte[] { 0x1, 0x3, 0x3, 0x7 };
Assert.IsTrue(nexus.TokenExists(symbol), "Can't find the token symbol");
// verify nft presence on the user pre-mint
var ownedTokenList = chain.GetTokenOwnerships(symbol).Get(chain.Storage, testUser.Address);
Assert.IsTrue(!ownedTokenList.Any(), "How does the user already have a CoolToken?");
// Mint a new CoolToken directly on the user
simulator.BeginBlock();
simulator.GenerateNft(owner, testUser.Address, chain, symbol, tokenData, new byte[0]);
simulator.EndBlock();
// verify nft presence on the user post-mint
ownedTokenList = chain.GetTokenOwnerships(symbol).Get(chain.Storage, testUser.Address);
Assert.IsTrue(ownedTokenList.Count() == 1, "How does the user not have one now?");
//verify that the present nft is the same we actually tried to create
var tokenId = ownedTokenList.ElementAt(0);
var nft = nexus.GetNFT(symbol, tokenId);
Assert.IsTrue(nft.ROM.SequenceEqual(tokenData) || nft.RAM.SequenceEqual(tokenData),
"And why is this NFT different than expected? Not the same data");
// burn the token
simulator.BeginBlock();
simulator.GenerateNftBurn(testUser, chain, symbol, tokenId);
simulator.EndBlock();
//verify the user no longer has the token
ownedTokenList = chain.GetTokenOwnerships(symbol).Get(chain.Storage, testUser.Address);
Assert.IsTrue(!ownedTokenList.Any(), "How does the user still have it post-burn?");
}