public async Task <TransactionReceipt> SetResolver()
{
var SetResolverFunction = new SetResolverFunction()
{
Node = EnsUtil.GetNameHash($"{Domain}.eth").HexToByteArray(),
Resolver = PublicResolverAddress,
FromAddress = OwnerAddress,
Gas = new HexBigInteger(100000),
GasPrice = new HexBigInteger(100000),
};
return(await ENSRegistryService.SetResolverRequestAndWaitForReceiptAsync(SetResolverFunction));
}
private async ValueTask <string> GetRegistrantAddress(string Domain)
{
var NameHashString = EnsUtil.GetNameHash(Domain);
var NameHashBytes = NameHashString.HexToByteArray();
var OwnerFunction = new OwnerFunction()
{
Node = NameHashBytes
};
return(await ENSRegistryService.OwnerQueryAsync(OwnerFunction));
}
public async Task <string> GetEnsAddress(string ensName)
{
var ensUtil = new EnsUtil();
var contract = "0x314159265dD8dbb310642f98f50C066173C1259b"; //ENS contract address
var web3 = new Web3("https://mainnet.infura.io/v3/146c5ff4a83a4a62b8eb4bbc93e07974");
var fullNameNode = ensUtil.GetNameHash(ensName);
var ensRegistryService = new ENSRegistryService(web3, contract);
var resolverAddress = await ensRegistryService.ResolverQueryAsync(
new ResolverFunction()
{
Node = fullNameNode.HexToByteArray()
});
var newRes = "0x4976fb03C32e5B8cfe2b6cCB31c09Ba78EBaBa41";
var resolverService = new PublicResolverService(web3, resolverAddress);
var migratedResolverService = new PublicResolverService(web3, newRes);
var address = await resolverService.AddrQueryAsync(fullNameNode.HexToByteArray());
var migratedAddress = await migratedResolverService.AddrQueryAsync(fullNameNode.HexToByteArray());
if (migratedAddress == "0x0000000000000000000000000000000000000000")
{
return(address);
}
else
{
return(migratedAddress);
}
}
public async ValueTask <(string Registrant, ulong TimeToLive, string Resolver, string Contract)> ResolveAsync(string Domain)
{
if (!Domain.EndsWith(".eth", StringComparison.InvariantCultureIgnoreCase))
{
throw new NotImplementedException($"Only .ETH Top-Level Domain is Supported.");
}
var NameHashString = EnsUtil.GetNameHash(Domain);
var NameHashBytes = NameHashString.HexToByteArray();
var TimeToLive = await GetTimeToLiveAsync(NameHashBytes);
var ResolverFunction = new ResolverFunction()
{
Node = NameHashBytes
};
//get the resolver address from ENS
var Resolver = await ENSRegistryService.ResolverQueryAsync(ResolverFunction);
var OwnerFunction = new OwnerFunction()
{
Node = NameHashBytes
};
var Registrant = await ENSRegistryService.OwnerQueryAsync(OwnerFunction);
var ResolverService = new PublicResolverService(Web3, Resolver);
//and get the address from the resolver
var Contract = await ResolverService.AddrQueryAsync(NameHashBytes);
return(Registrant, TimeToLive, Resolver, Contract);
}
public async Task <string> ResolveAsync(string Domain)
{
var NameHashString = EnsUtil.GetNameHash(Domain);
var NameHashBytes = NameHashString.HexToByteArray();
var ResolverFunction = new ResolverFunction()
{
Node = NameHashBytes
};
//get the resolver address from ENS
var ResolverAddress = await ENSRegistryService.ResolverQueryAsync(ResolverFunction);
var ResolverService = new PublicResolverService(Web3, ResolverAddress);
//and get the address from the resolver
var Address = await ResolverService.AddrQueryAsync(NameHashBytes);
return(Address);
}
public static async Task <string> GetENSAddress(string ensName)
{
try {
var ensUtil = new EnsUtil();
var contract = "0x314159265dD8dbb310642f98f50C066173C1259b"; //ENS contract address
var web3 = new Web3(ChainWatcher.GETH_WEB3_ENDPOINT);
var fullNameNode = ensUtil.GetNameHash(ensName);
var ensRegistryService = new ENSRegistryService(web3, contract);
var oldResolver = "0x226159d592E2b063810a10Ebf6dcbADA94Ed68b8";
var resolverAddress = await ensRegistryService.ResolverQueryAsync(
new ResolverFunction()
{
Node = fullNameNode.HexToByteArray()
});
var newRes = "0x4976fb03C32e5B8cfe2b6cCB31c09Ba78EBaBa41";
var resolverService = new PublicResolverService(web3, resolverAddress);
var migratedResolverService = new PublicResolverService(web3, newRes);
var address = await resolverService.AddrQueryAsync(fullNameNode.HexToByteArray());
var migratedAddress = await migratedResolverService.AddrQueryAsync(fullNameNode.HexToByteArray());
if (migratedAddress == "0x0000000000000000000000000000000000000000")
{
return(address);
}
else
{
return(migratedAddress);
}
}
catch (Exception e) {
Console.WriteLine(e.Message);
}
return(null);
}
public async void ShouldCreateEnsRegistarResolverAndRegiterandResolveANewAddress()
{
//Ignoring parity due to https://github.com/paritytech/parity-ethereum/issues/8675
if (_ethereumClientIntegrationFixture.Geth)
{
//The address we want to resolve when using "test.eth"
var addressToResolve = "0x12890D2cce102216644c59daE5baed380d84830c";
var addressFrom = "0x12890D2cce102216644c59daE5baed380d84830c";
var web3 = _ethereumClientIntegrationFixture.GetWeb3();
//deploy ENS contract
var ensDeploymentReceipt =
await ENSRegistryService.DeployContractAndWaitForReceiptAsync(web3, new ENSRegistryDeployment());
var ensUtil = new EnsUtil();
var ethNode = ensUtil.GetNameHash("eth");
//create a new First in First service registrar for "eth"
var fifsDeploymentReceipt = await FIFSRegistrarService.DeployContractAndWaitForReceiptAsync(web3,
new FIFSRegistrarDeployment()
{
EnsAddr = ensDeploymentReceipt.ContractAddress,
Node = ethNode.HexToByteArray()
});
var publicResolverDeploymentReceipt = await PublicResolverService.DeployContractAndWaitForReceiptAsync(
web3,
new PublicResolverDeployment()
{
Ens = ensDeploymentReceipt.ContractAddress
}
);
var ensRegistryService = new ENSRegistryService(web3, ensDeploymentReceipt.ContractAddress);
//set ownership of "eth" to the fifs service
//we are owners of "", so a subnode label "eth" will now be owned by the FIFS registar, which will allow to also to set ownership in Ens of further subnodes of Eth.
var ethLabel = ensUtil.GetLabelHash("eth");
var receipt = await ensRegistryService.SetSubnodeOwnerRequestAndWaitForReceiptAsync(
ensUtil.GetNameHash("").HexToByteArray(),
ethLabel.HexToByteArray(),
fifsDeploymentReceipt.ContractAddress
);
//Now the owner of Eth is the FIFS
var ownerOfEth =
await ensRegistryService.OwnerQueryAsync(ethNode.HexToByteArray());
Assert.Equal(fifsDeploymentReceipt.ContractAddress.ToLower(), ownerOfEth.ToLower());
/**** setup done **/
//registration of "myname"
//create a service for the registrar
var fifsService = new FIFSRegistrarService(web3, fifsDeploymentReceipt.ContractAddress);
//create a label
var testLabel = ensUtil.GetLabelHash("myname");
//submit the registration using the label bytes, and set ourselves as the owner
await fifsService.RegisterRequestAndWaitForReceiptAsync(new RegisterFunction()
{
Owner = addressFrom,
Subnode = testLabel.HexToByteArray()
});
//now using the the full name
var fullNameNode = ensUtil.GetNameHash("myname.eth");
var ownerOfMyName =
await ensRegistryService.OwnerQueryAsync(fullNameNode.HexToByteArray());
//set the resolver (the public one)
await ensRegistryService.SetResolverRequestAndWaitForReceiptAsync(
new SetResolverFunction()
{
Resolver = publicResolverDeploymentReceipt.ContractAddress,
Node = fullNameNode.HexToByteArray()
});
var publicResolverService =
new PublicResolverService(web3, publicResolverDeploymentReceipt.ContractAddress);
// set the address in the resolver which we want to resolve, ownership is validated using ENS in the background
//Fails here
await publicResolverService.SetAddrRequestAndWaitForReceiptAsync(fullNameNode.HexToByteArray(),
addressToResolve
);
//Now as "end user" we can start resolving...
//get the resolver address from ENS
var resolverAddress = await ensRegistryService.ResolverQueryAsync(
fullNameNode.HexToByteArray());
//using the resolver address we can create our service (should be an abstract / interface based on abi as we can have many)
var resolverService = new PublicResolverService(web3, resolverAddress);
//and get the address from the resolver
var theAddress =
await resolverService.AddrQueryAsync(fullNameNode.HexToByteArray());
Assert.Equal(addressToResolve.ToLower(), theAddress.ToLower());
}
}
public void ShouldEncodeCorrectly()
{
var ensUtil = new EnsUtil();
//empty
Assert.Equal("0x0000000000000000000000000000000000000000000000000000000000000000", ensUtil.GetNameHash(""));
//tld
Assert.Equal("0x93cdeb708b7545dc668eb9280176169d1c33cfd8ed6f04690a0bcc88a93fc4ae", ensUtil.GetNameHash("eth"));
//foo.eth
Assert.Equal("0xde9b09fd7c5f901e23a3f19fecc54828e9c848539801e86591bd9801b019f84f", ensUtil.GetNameHash("foo.eth"));
//normalise ascii domain
Assert.Equal("foo.eth", ensUtil.Normalise("foo.eth"));
//normalise international domain
//with crylic 'o'
Assert.Equal("xn--f-1tba.eth", ensUtil.Normalise("fоо.eth"));
}
