public void NftMint()
{
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();
var token = simulator.Nexus.GetTokenInfo(symbol);
Assert.IsTrue(nexus.TokenExists(symbol), "Can't find the token symbol");
// verify nft presence on the user pre-mint
var ownerships = new OwnershipSheet(symbol);
var ownedTokenList = ownerships.Get(chain.Storage, testUser.Address);
Assert.IsTrue(!ownedTokenList.Any(), "How does the sender already have a CoolToken?");
var tokenROM = new byte[] { 0x1, 0x3, 0x3, 0x7 };
var tokenRAM = new byte[] { 0x1, 0x4, 0x4, 0x6 };
// Mint a new CoolToken directly on the user
simulator.BeginBlock();
simulator.GenerateNft(owner, testUser.Address, symbol, tokenROM, tokenRAM);
simulator.EndBlock();
// verify nft presence on the user post-mint
ownedTokenList = ownerships.Get(chain.Storage, testUser.Address);
Assert.IsTrue(ownedTokenList.Count() == 1, "How does the sender 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(tokenROM) && nft.RAM.SequenceEqual(tokenRAM),
"And why is this NFT different than expected? Not the same data");
var currentSupply = nexus.GetTokenSupply(chain.Storage, symbol);
Assert.IsTrue(currentSupply == 1, "why supply did not increase?");
}
public void TestGetAccountNFT()
{
var test = CreateAPI();
var chain = test.nexus.RootChain;
var symbol = "COOL";
var testUser = KeyPair.Generate();
// Create the token CoolToken as an NFT
test.simulator.BeginBlock();
test.simulator.GenerateToken(test.owner, symbol, "CoolToken", DomainSettings.PlatformName, Hash.FromString(symbol), 0, 0, Domain.TokenFlags.None);
test.simulator.EndBlock();
var token = test.simulator.Nexus.GetTokenInfo(symbol);
Assert.IsTrue(test.simulator.Nexus.TokenExists(symbol), "Can't find the token symbol");
var tokenROM = new byte[] { 0x1, 0x3, 0x3, 0x7 };
var tokenRAM = new byte[] { 0x1, 0x4, 0x4, 0x6 };
// Mint a new CoolToken
var simulator = test.simulator;
simulator.BeginBlock();
simulator.MintNonFungibleToken(test.owner, testUser.Address, symbol, tokenROM, tokenRAM);
simulator.EndBlock();
// obtain tokenID
var ownerships = new OwnershipSheet(symbol);
var ownedTokenList = ownerships.Get(chain.Storage, testUser.Address);
Assert.IsTrue(ownedTokenList.Count() == 1, "How does the sender not have one now?");
var tokenID = ownedTokenList.First();
var account = (AccountResult)test.api.GetAccount(testUser.Address.Text);
Assert.IsTrue(account.address == testUser.Address.Text);
Assert.IsTrue(account.name == ValidationUtils.ANONYMOUS);
Assert.IsTrue(account.balances.Length == 1);
var balance = account.balances[0];
Assert.IsTrue(balance.symbol == symbol);
Assert.IsTrue(balance.ids.Length == 1);
var info = (TokenDataResult)test.api.GetTokenData(symbol, balance.ids[0]);
Assert.IsTrue(info.ID == balance.ids[0]);
var tokenStr = Base16.Encode(tokenROM);
Assert.IsTrue(info.rom == tokenStr);
}
public BigInteger[] GetTokens(Address address, string symbol)
{
Runtime.Expect(this.Runtime.Nexus.TokenExists(symbol), "invalid token");
var token = this.Runtime.Nexus.GetTokenInfo(symbol);
Runtime.Expect(!token.IsFungible(), "token must be non-fungible");
var ownerships = new OwnershipSheet(symbol);
return(ownerships.Get(this.Storage, address).ToArray());
}
public IAPIResult GetAccount([APIParameter("Address of account", "PDHcAHq1fZXuwDrtJGDhjemFnj2ZaFc7iu3qD4XjZG9eV")] string addressText)
{
if (!Address.IsValidAddress(addressText))
{
return(new ErrorResult {
error = "invalid address"
});
}
var result = new AccountResult();
var address = Address.FromText(addressText);
result.address = address.Text;
result.name = Nexus.LookUpAddress(address);
var balanceList = new List <BalanceResult>();
foreach (var symbol in Nexus.Tokens)
{
foreach (var chainName in Nexus.Chains)
{
var chain = Nexus.FindChainByName(chainName);
var balance = chain.GetTokenBalance(symbol, address);
if (balance > 0)
{
var token = Nexus.GetTokenInfo(symbol);
var balanceEntry = new BalanceResult
{
chain = chain.Name,
amount = balance.ToString(),
symbol = token.Symbol,
decimals = (uint)token.Decimals,
ids = new string[0]
};
if (!token.IsFungible)
{
var ownerships = new OwnershipSheet(symbol);
var idList = ownerships.Get(chain.Storage, address);
if (idList != null && idList.Any())
{
balanceEntry.ids = idList.Select(x => x.ToString()).ToArray();
}
}
balanceList.Add(balanceEntry);
}
}
}
result.balances = balanceList.ToArray();
return(result);
}
// NOTE should never be used directly from a contract, instead use Runtime.GetBalance!
public BigInteger GetTokenBalance(StorageContext storage, IToken token, Address address)
{
if (token.Flags.HasFlag(TokenFlags.Fungible))
{
var balances = new BalanceSheet(token.Symbol);
return(balances.Get(storage, address));
}
else
{
var ownerships = new OwnershipSheet(token.Symbol);
var items = ownerships.Get(storage, address);
return(items.Length);
}
}
public IAPIResult GetTokenBalance([APIParameter("Address of account", "PDHcAHq1fZXuwDrtJGDhjemFnj2ZaFc7iu3qD4XjZG9eV")] string addressText, [APIParameter("Token symbol", "SOUL")] string tokenSymbol, [APIParameter("Address or name of chain", "root")] string chainInput)
{
if (!Address.IsValidAddress(addressText))
{
return(new ErrorResult {
error = "invalid address"
});
}
if (!Nexus.TokenExists(tokenSymbol))
{
return(new ErrorResult {
error = "invalid token"
});
}
var tokenInfo = Nexus.GetTokenInfo(tokenSymbol);
var chain = FindChainByInput(chainInput);
if (chain == null)
{
return(new ErrorResult {
error = "invalid chain"
});
}
var address = Address.FromText(addressText);
var balance = chain.GetTokenBalance(tokenSymbol, address);
var result = new BalanceResult()
{
amount = balance.ToString(),
symbol = tokenSymbol,
decimals = (uint)tokenInfo.Decimals,
chain = chain.Address.Text
};
if (!tokenInfo.IsFungible)
{
var ownerships = new OwnershipSheet(tokenSymbol);
var idList = ownerships.Get(chain.Storage, address);
if (idList != null && idList.Any())
{
result.ids = idList.Select(x => x.ToString()).ToArray();
}
}
return(result);
}
// NOTE should never be used directly from a contract, instead use Runtime.GetBalance!
public BigInteger GetTokenBalance(string tokenSymbol, Address address)
{
var tokenInfo = Nexus.GetTokenInfo(tokenSymbol);
if (tokenInfo.Flags.HasFlag(TokenFlags.Fungible))
{
var balances = new BalanceSheet(tokenSymbol);
return(balances.Get(Storage, address));
}
else
{
var ownerships = new OwnershipSheet(tokenSymbol);
var items = ownerships.Get(this.Storage, address);
return(items.Length);
}
}
// NOTE this lists only nfts owned in this chain
public IEnumerable <BigInteger> GetOwnedTokens(string tokenSymbol, Address address)
{
var ownership = new OwnershipSheet(tokenSymbol);
return(ownership.Get(this.Storage, address));
}
public void SidechainNftTransfer()
{
var owner = KeyPair.Generate();
var simulator = new ChainSimulator(owner, 1234);
var nexus = simulator.Nexus;
var sourceChain = nexus.RootChain;
var targetChain = nexus.FindChainByName("privacy");
var nftSymbol = "COOL";
var sender = KeyPair.Generate();
var receiver = KeyPair.Generate();
var fullAmount = UnitConversion.ToBigInteger(10, Nexus.FuelTokenDecimals);
var smallAmount = fullAmount / 2;
Assert.IsTrue(smallAmount > 0);
// Send some SOUL to the test user (required for gas used in "transfer" transaction)
simulator.BeginBlock();
simulator.GenerateTransfer(owner, sender.Address, sourceChain, Nexus.FuelTokenSymbol, fullAmount);
simulator.EndBlock();
// Create the token CoolToken as an NFT
simulator.BeginBlock();
simulator.GenerateToken(owner, nftSymbol, "CoolToken", 0, 0, TokenFlags.Transferable);
simulator.EndBlock();
var token = simulator.Nexus.GetTokenInfo(nftSymbol);
var tokenData = new byte[] { 0x1, 0x3, 0x3, 0x7 };
Assert.IsTrue(nexus.TokenExists(nftSymbol), "Can't find the token symbol");
// verify nft presence on the sender pre-mint
var ownerships = new OwnershipSheet(nftSymbol);
var ownedTokenList = ownerships.Get(sourceChain.Storage, sender.Address);
Assert.IsTrue(!ownedTokenList.Any(), "How does the sender already have a CoolToken?");
// Mint a new CoolToken directly on the sender
simulator.BeginBlock();
simulator.GenerateNft(owner, sender.Address, nftSymbol, tokenData, new byte[0]);
simulator.EndBlock();
// verify nft presence on the sender post-mint
ownedTokenList = ownerships.Get(sourceChain.Storage, sender.Address);
Assert.IsTrue(ownedTokenList.Count() == 1, "How does the sender 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(nftSymbol, tokenId);
Assert.IsTrue(nft.ROM.SequenceEqual(tokenData) || nft.RAM.SequenceEqual(tokenData),
"And why is this NFT different than expected? Not the same data");
// verify nft presence on the receiver pre-transfer
ownedTokenList = ownerships.Get(targetChain.Storage, receiver.Address);
Assert.IsTrue(!ownedTokenList.Any(), "How does the receiver already have a CoolToken?");
var extraFee = UnitConversion.ToBigInteger(0.001m, Nexus.FuelTokenDecimals);
// transfer that nft from sender to receiver
simulator.BeginBlock();
simulator.GenerateSideChainSend(sender, Nexus.FuelTokenSymbol, sourceChain, receiver.Address, targetChain, smallAmount, extraFee);
var txA = simulator.GenerateNftSidechainTransfer(sender, receiver.Address, sourceChain, targetChain, nftSymbol, tokenId);
simulator.EndBlock();
var blockA = nexus.RootChain.LastBlock;
// finish the chain transfer
simulator.BeginBlock();
simulator.GenerateSideChainSettlement(receiver, nexus.RootChain, targetChain, blockA.Hash);
Assert.IsTrue(simulator.EndBlock().Any());
// verify the sender no longer has it
ownedTokenList = ownerships.Get(sourceChain.Storage, sender.Address);
Assert.IsTrue(!ownedTokenList.Any(), "How does the sender still have one?");
// verify nft presence on the receiver post-transfer
ownedTokenList = ownerships.Get(targetChain.Storage, receiver.Address);
Assert.IsTrue(ownedTokenList.Count() == 1, "How does the receiver not have one now?");
//verify that the transfered nft is the same we actually tried to create
tokenId = ownedTokenList.ElementAt(0);
nft = nexus.GetNFT(nftSymbol, tokenId);
Assert.IsTrue(nft.ROM.SequenceEqual(tokenData) || nft.RAM.SequenceEqual(tokenData),
"And why is this NFT different than expected? Not the same data");
}
public void NftTransfer()
{
var owner = KeyPair.Generate();
var simulator = new ChainSimulator(owner, 1234);
var nexus = simulator.Nexus;
var chain = nexus.RootChain;
var nftKey = KeyPair.Generate();
var nftSymbol = "COOL";
var nftName = "CoolToken";
var sender = KeyPair.Generate();
var receiver = KeyPair.Generate();
// Send some SOUL to the test user (required for gas used in "transfer" transaction)
simulator.BeginBlock();
simulator.GenerateTransfer(owner, sender.Address, chain, Nexus.FuelTokenSymbol, UnitConversion.ToBigInteger(1, Nexus.FuelTokenDecimals));
simulator.EndBlock();
// Create the token CoolToken as an NFT
simulator.BeginBlock();
simulator.GenerateToken(owner, nftSymbol, nftName, 0, 0, TokenFlags.Transferable);
simulator.EndBlock();
var token = simulator.Nexus.GetTokenInfo(nftSymbol);
var tokenData = new byte[] { 0x1, 0x3, 0x3, 0x7 };
Assert.IsTrue(nexus.TokenExists(nftSymbol), "Can't find the token symbol");
// verify nft presence on the sender pre-mint
var ownerships = new OwnershipSheet(nftSymbol);
var ownedTokenList = ownerships.Get(chain.Storage, sender.Address);
Assert.IsTrue(!ownedTokenList.Any(), "How does the sender already have a CoolToken?");
// Mint a new CoolToken directly on the sender
simulator.BeginBlock();
simulator.GenerateNft(owner, sender.Address, nftSymbol, tokenData, new byte[0]);
simulator.EndBlock();
// verify nft presence on the sender post-mint
ownedTokenList = ownerships.Get(chain.Storage, sender.Address);
Assert.IsTrue(ownedTokenList.Count() == 1, "How does the sender 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(nftSymbol, tokenId);
Assert.IsTrue(nft.ROM.SequenceEqual(tokenData) || nft.RAM.SequenceEqual(tokenData),
"And why is this NFT different than expected? Not the same data");
// verify nft presence on the receiver pre-transfer
ownedTokenList = ownerships.Get(chain.Storage, receiver.Address);
Assert.IsTrue(!ownedTokenList.Any(), "How does the receiver already have a CoolToken?");
// transfer that nft from sender to receiver
simulator.BeginBlock();
var txA = simulator.GenerateNftTransfer(sender, receiver.Address, chain, nftSymbol, tokenId);
simulator.EndBlock();
// verify nft presence on the receiver post-transfer
ownedTokenList = ownerships.Get(chain.Storage, receiver.Address);
Assert.IsTrue(ownedTokenList.Count() == 1, "How does the receiver not have one now?");
//verify that the transfered nft is the same we actually tried to create
tokenId = ownedTokenList.ElementAt(0);
nft = nexus.GetNFT(nftSymbol, tokenId);
Assert.IsTrue(nft.ROM.SequenceEqual(tokenData) || nft.RAM.SequenceEqual(tokenData),
"And why is this NFT different than expected? Not the same data");
}
// NOTE this lists only nfts owned in this chain
public BigInteger[] GetOwnedTokens(StorageContext storage, string tokenSymbol, Address address)
{
var ownership = new OwnershipSheet(tokenSymbol);
return(ownership.Get(storage, address).ToArray());
}
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, TokenFlags.Burnable);
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 ownerships = new OwnershipSheet(symbol);
var ownedTokenList = ownerships.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();
BigInteger tokenKCALWorth = 100;
simulator.MintNonFungibleToken(owner, testUser.Address, symbol, tokenData, new byte[0], tokenKCALWorth);
simulator.EndBlock();
// verify nft presence on the user post-mint
ownedTokenList = ownerships.Get(chain.Storage, testUser.Address);
Assert.IsTrue(ownedTokenList.Count() == 1, "How does the user not have one now?");
var ownerAddress = ownerships.GetOwner(chain.Storage, 1);
Assert.IsTrue(ownerAddress == testUser.Address);
//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 = ownerships.Get(chain.Storage, testUser.Address);
Assert.IsTrue(!ownedTokenList.Any(), "How does the user still have it post-burn?");
}