LaksaCsharp -- Zilliqa Blockchain C# Library
The project is still under development.
More docs can be found in https://apidocs.zilliqa.com/
using LaksaCsharp.Crypto;
using LaksaCsharp.Utils;
using Org.BouncyCastle.Math;
using System;
namespace Example
{
class Program
{
static void Main(string[] args)
{
int n = 0;
while (n < 100)
{
Console.WriteLine("--------------------------");
Console.WriteLine("generate nth keypair:");
ECKeyPair keyPair = KeyTools.GenerateKeyPair();
BigInteger privateInteger = keyPair.PrivateKey;
BigInteger publicInteger = keyPair.PublicKey;
Console.WriteLine("private key is: " + ByteUtil.ByteArrayToHexString(privateInteger.ToByteArray()));
Console.WriteLine("public key is: " + ByteUtil.ByteArrayToHexString(publicInteger.ToByteArray()));
Console.WriteLine("address is: " + KeyTools.GetAddressFromPublicKey(ByteUtil.ByteArrayToHexString(publicInteger.toByteArray())));
}
}
}
}using LaksaCsharp.Utils;
using System;
namespace Example
{
class Program
{
static void Main(string[] args)
{
string address = "2624B9EA4B1CD740630F6BF2FEA82AAC0067070B";
bool isAddress = Validation.IsAddress(address);
Console.WriteLine("is address: " + isAddress);
}
}
}using LaksaCsharp.Utils;
using System;
namespace Example
{
class Program
{
static void Main(string[] args)
{
string checksumAddress = "0x4BAF5faDA8e5Db92C3d3242618c5B47133AE003C";
bool isChecksumAddress = Validation.IsValidChecksumAddress(checksumAddress);
Console.WriteLine("is checksum address: " + isChecksumAddress);
}
}
}Transaction operation (include construct transaction, calculate transaction fee, do serialization, sign a transaction, broadcast)
using LaksaCsharp.Account;
using LaksaCsharp.Contract;
using LaksaCsharp.Jsonrpc;
using LaksaCsharp.Transaction;
using LaksaCsharp.Utils;
using Org.BouncyCastle.Math;
using System;
using System.Collections.Generic;
namespace Example
{
class Program
{
static void Main(string[] args)
{
Wallet wallet = new Wallet();
string ptivateKey = "e19d05c5452598e24caad4a0d85a49146f7be089515c905ae6a19e8a578a6930";
// Populate the wallet with an account
string address = wallet.AddByPrivateKey(ptivateKey);
Console.WriteLine("address is: " + address);
HttpProvider provider = new HttpProvider("https://api.zilliqa.com");
//get balance
BalanceResult balanceResult = provider.GetBalance(address).Result;
Console.WriteLine("balance is: " + balanceResult.Balance);
//construct non-contract transaction
Transaction transaction = new Transaction();
transaction.Version = Wallet.Pack(333, 8).ToString();
transaction.ToAddr = "4baf5fada8e5db92c3d3242618c5b47133ae003c";
transaction.SenderPubKey = "0246e7178dc8253201101e18fd6f6eb9972451d121fc57aa2a06dd5c111e58dc6a";
transaction.Amount = "10000000";
transaction.GasPrice = "1000000000";
transaction.GasLimit = "1";
transaction.Code = "";
transaction.Data = "";
transaction.Provider = new HttpProvider("https://dev-api.zilliqa.com/");
//sign transaction
transaction = wallet.Sign(transaction);
Console.WriteLine("signature is: " + transaction.Signature);
//broadcast transaction
CreateTxResult result = TransactionFactory.CreateTransaction(transaction);
Console.WriteLine(result);
//hello-world contract
String code = "scilla_version 0\n" +
"\n" +
" (* HelloWorld contract *)\n" +
"\n" +
" import ListUtils\n" +
"\n" +
" (***************************************************)\n" +
" (* Associated library *)\n" +
" (***************************************************)\n" +
" library HelloWorld\n" +
"\n" +
" let one_msg =\n" +
" fun (msg : Message) =>\n" +
" let nil_msg = Nil {Message} in\n" +
" Cons {Message} msg nil_msg\n" +
"\n" +
" let not_owner_code = Int32 1\n" +
" let set_hello_code = Int32 2\n" +
"\n" +
" (***************************************************)\n" +
" (* The contract definition *)\n" +
" (***************************************************)\n" +
"\n" +
" contract HelloWorld\n" +
" (owner: ByStr20)\n" +
"\n" +
" field welcome_msg : String = \"\"\n" +
"\n" +
" transition setHello (msg : String)\n" +
" is_owner = builtin eq owner _sender;\n" +
" match is_owner with\n" +
" | False =>\n" +
" msg = {_tag : \"TransactionOperation\"; _recipient : _sender; _amount : Uint128 0; code : not_owner_code};\n" +
" msgs = one_msg msg;\n" +
" send msgs\n" +
" | True =>\n" +
" welcome_msg := msg;\n" +
" msg = {_tag : \"TransactionOperation\"; _recipient : _sender; _amount : Uint128 0; code : set_hello_code};\n" +
" msgs = one_msg msg;\n" +
" send msgs\n" +
" end\n" +
" end\n" +
"\n" +
"\n" +
" transition getHello ()\n" +
" r <- welcome_msg;\n" +
" e = {_eventname: \"getHello()\"; msg: r};\n" +
" event e\n" +
" end";
List<Values> init =
new List<Values>() {
new Values() { Type="Uint32", Value="0" , VName ="_scilla_version" },
new Values() { Type="ByStr20", Value="0x9bfec715a6bd658fcb62b0f8cc9bfa2ade71434a" , VName ="owner" },
};
ContractFactory factory = new ContractFactory()
{
Provider = new HttpProvider("https://api.zilliqa.com/"),
Signer = wallet
};
Contract contract = factory.NewContract(code, (Values[])init.ToArray(), "");
DeployParams deployParams = new DeployParams()
{
GasLimit = "10000",
GasPrice = "1000000000",
SenderPubKey = "0246e7178dc8253201101e18fd6f6eb9972451d121fc57aa2a06dd5c111e58dc6a",
Version = Wallet.Pack(2, 8).ToString()
};
//deploy contract, this will take a while to track transaction util it been confirmed or failed
Tuple<Transaction, Contract> deployResult = contract.Deploy(deployParams, 300, 3);
Console.WriteLine("result is: " + deployResult);
Console.WriteLine("cumulative gas is: " + deployResult.Item1.Receipt.Cumulative_gas);
//calculate transaction fee
string transactionFee = new BigInteger(deployResult.Item1.Receipt.Cumulative_gas).Multiply(new BigInteger(deployResult.Item1.GasPrice)).ToString();
Console.WriteLine("transaction fee is: " + transactionFee);
}
}
}using LaksaCsharp.BlockChain;
using LaksaCsharp.Jsonrpc;
using System;
using System.Collections.Generic;
using System.Threading;
namespace Example
{
class Program
{
static void Main(string[] args)
{
HttpProvider client = new HttpProvider("https://api.zilliqa.com/");
string lastEpoch = client.GetNumTxnsTxEpoch().Result;
List<State> lastStateList = client.GetSmartContractState("D6606D02DFF929593312D8D0D36105E376F95AA0").Result;
Console.WriteLine("last epoch is " + lastEpoch);
Console.WriteLine("last state:" + lastStateList);
int n = 0;
while (true)
{
string epoch = client.GetNumTxnsTxEpoch().Result;
Console.WriteLine(n + "th current epoch is: " + epoch);
if (lastEpoch != epoch)
{
Console.WriteLine("epoch hash changed");
List<State> stateList = client.GetSmartContractState("D6606D02DFF929593312D8D0D36105E376F95AA0").Result;
Console.WriteLine("last state: " + lastStateList);
Console.WriteLine("current state: " + stateList);
lastEpoch = epoch;
lastStateList = stateList;
}
Thread.Sleep(3000);
n += 1;
}
}
}
}- FromFile
- ToFile
- CreateAccount
- AddByPrivateKey addByKeyStore
- Remove
- SetDefault
- SignTransaction (default account)
- SignTransactionWith (specific account)
- SendTransaction
- TrackTx
- Confirm
- IsPending isInitialised isConfirmed isRejected
- Deploy
- Call
- IsInitialised isDeployed isRejected
- GetState
- GetAddressForContract
- GetDerivedKey (PBKDF2 and Scrypt)
- GeneratePrivateKey
- Schnorr.sign
- Schnorr.verify
- GetPublicKeyFromPrivateKey
- GetPublicKeyFromPrivateKey
- GetAddressFromPublicKey
- GetAddressFromPrivateKey
- EncryptPrivateKey
- DecryptPrivateKey
- GetNetworkId
- GetBlockchainInfo
- GetShardingStructure
- GetDsBlock
- GetLatestDsBlock
- GetNumDSBlocks
- GetDSBlockRate
- GetDSBlockListing
- GetTxBlock
- GetLatestTxBlock
- GetNumTxBlocks
- GetTxBlockRate
- GetTxBlockListing
- GetNumTransactions
- GetTransactionRate
- GetCurrentMiniEpoch
- GetCurrentDSEpoch
- GetPrevDifficulty
- GetPrevDSDifficulty
- CreateTransaction
- GetTransaction
- GetRecentTransactions
- GetTransactionsForTxBlock
- GetNumTxnsTxEpoch
- GetNumTxnsDSEpoch
- GetMinimumGasPrice
- GetSmartContractCode
- GetSmartContractInit
- GetSmartContractState
- GetSmartContracts
- GetContractAddressFromTransactionID
- GetBalance
- IsAddress
- IsPublicjKey
- IsPrivateKey
- IsSignature
- ByteArrayToHexString
- HexStringToByteArray
- GenerateMac
- IsByteString
- EncodeTransactionProto
- ToChecksumAddress
- IsValidChecksumAddress