HyperCube/Pages/Blockchains.razor

@page "/blockchains"
@using System.Text.RegularExpressions;
@using Console = HyperCube.Utils.AdvConsole;

@namespace HyperCube.Models

@attribute [Authorize]

    <h1>Blockchain</h1>

@code
{
    string hidecontr = "hidden";
    string hidereceipt = "hidden";
    string result = "";
    string newcode = "";
    string newname = "";
    string balance = "";
    string sha3 = "";
    string function1 = "";
    string function_processed = "";
    string contractAddDisabled = "hidden";

    SmartContract ctrSelected = new SmartContract();
    int ct;
    //ffff ffff ffff ffff ffff ffff ffff ffff ffff ffff ffff ffff ffff ffff ffff fff7
    string accountSelected;
    int contrtest
    {
        get
        {
            return ct;
        }
        set
        {
            ct = value;
            Console.WriteLine("ch contrtest val " + value);
            var ctr = GetContract(value);
            if (ctr != null)
            {
                Console.WriteLine("ctr found " + ctr.Name);
                ctrSelected = ctr;
            }
        }
    }
}

@if (Blockchain.newData)
{
    @foreach (var bc in Blockchain.loaded.Values)
    {
        <p>
            <b>
                @bc.url:@bc.port
            </b>, address: @bc.address
        </p>
    }
}

<h4>Ethereum dev network</h4>
<p>
    Add blockchain connection:
    <input name="bcurl" @bind="bcURL" type="text" placeholder="URL" @bind:event="oninput">
    <input name="bport" @bind="bcport" type="number" placeholder="port">
</p>
<p style="visibility:@hidecontr">
    Add smart contract:
<p><input id="newname" @bind="newname" placeholder="Имя нового контракта" /></p>
<p><input id="newcode" size="100" @bind="newcode" name="code" type="text" placeholder="Исходный код" /></p>
<p><input id="bytecode" size="100" @bind="bytecode" name="bytecode" type="text" placeholder="Байткод" @bind:event="oninput" /></p>
<p><input id="function1" size="100" @bind="function1" name="function1" type="text" placeholder="Функция №1 - Объявление" /></p>
<p><input disabled id="function_processed" size="100" @bind="function_processed" name="function_processed" type="text" placeholder="Функция" /></p>
<button @onclick="checkCode">checkCode</button>
<div style="visibility: @contractAddDisabled">
    <button @onclick="AddContract">Add</button>
</div>

<p><input id="getsha3" size="100" @bind="sha3" name="getsha3" type="text" placeholder="Get SHA3" @bind:event="oninput" /></p>
<button @onclick="GetSHA3_2">GetSHA3</button>
@*<p>
        0x60806040526000805534801561001457600080fd5b50610101806100246000396000f3006080604052600436106053576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff1680635b34b966146058578063a87d942c14606c578063f5c5ad83146094575b600080fd5b348015606357600080fd5b50606a60a8565b005b348015607757600080fd5b50607e60ba565b6040518082815260200191505060405180910390f35b348015609f57600080fd5b5060a660c3565b005b60016000808282540192505081905550565b60008054905090565b600160008082825403925050819055505600a165627a7a723058207815571f5c1d82bff3c0512a4cbc7a1f1c2063fa9a0de61913b76925f041e9ed0029
    </p>*@
<br />
    </p>
@*<p style="visibility:@hidereceipt">
        Get smart contract address:
        <button @onclick="GetReceipt">Check transaction receipt</button>
        <input id="bytecode" size="100" @bind="bytecode" name="bytecode" type="text" placeholder="Transaction address" @bind:event="oninput">
        <br />
    </p>*@
<p>
    <select @bind="contrtest">
        <option value="0">[Select Contract]</option>
        @if (Blockchain.loaded.Count > 0)
        {
            result = Blockchain.loaded.Count.ToString();
            if (Blockchain.GetMain().contracts.Count > 0)
            {
                @foreach (var c in Blockchain.GetMain().contracts.Values)
                {
                    <option value="@c.ID">
                        [@c.ID] @c.Name [@c.Address]
                    </option>
                }
            }
        }
    </select>
<p>
    <button @onclick="deleteContract">Удалить контракт</button>
</p>
<p>
    @ctrSelected.Code
</p>
@ctrSelected.Name
<br />
    </p>

<p>
    <select @bind="accountSelected">
        <option value="0">[Select Account]</option>
        @if (Blockchain.loaded.Count > 0)
        {
            @foreach (var acc in AccountModel.Loaded.Values)
            {
                <option value="@acc.UUID">
                    [@acc.Email] @acc.Name
                </option>
            }
        }
    </select>
    @*<button @onclick="CreateBlockchainAccount">CreateBlockchainAccount for @accountSelected</button>*@
    <button @onclick="GetBalance">GetBalance</button> Balance: @balance
    <button @onclick="Transfer50">Transfer 50</button>
    <button @onclick="TransferContract">Transfer 10 by Contract</button>
</p>

<p>Result: @result</p>

@code
    {
    private Random r = new Random();
    private string bcURL = "127.0.0.1";
    private int bcport = 8545;
    private string bytecode = "";
    private string error = "";
    string lastTransAddr = "";
    string contractAddress = "";
    int focus = 0;

    //Verify
    //function verify( address payable verifier, address payable initiator, uint8 article_value, uint8 verify_complexity)
    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



    async Task deleteContract()
    {
        var main = Blockchain.GetMain();
        if (main != null)
        {
            main.contracts.Remove(ctrSelected.ID);
            main.contractNames.Remove(ctrSelected.Name);
            MySQLConnector.Instance().SQLInsert($"delete from smart_contracts where id ={ctrSelected.ID}");
            MySQLConnector.Instance().SQLInsert($"delete from functions where contract_id ={ctrSelected.ID}");
            ctrSelected = null;
        }
    }

    async Task checkCode()
    {
        //string pattern = @"function\s+(\S+)\s*\((.*)\)\s*{.*}";
        string pattern = @"function\s+(\S+)\s*\((.*)\).*";
        string replacement_name = "$1";
        string replacement_params = "$2";
        string input = function1;
        string resultname = Regex.Replace(input, pattern, replacement_name).Trim();
        string param_pattern = @"(uint8|address)";
        var final = resultname + "(";
        if (input != resultname)
        {
            //function_processed += "name " + resultname + " ";
            string resultparams = Regex.Replace(input, pattern, replacement_params).Trim();
            if (input != resultparams)
            {
                //function_processed += "params " + resultparams+" matches: ";
                int i = 0;
                foreach (Match match in Regex.Matches(resultparams, param_pattern))
                {
                    if (i > 0)
                        final += "," + match.Value;
                    else
                        final += match.Value;
                    i++;
                }
            }
        }
        function_processed = final + ")";
        sha3 = await GetSHA3(function_processed);
        if (function1 != "()" && function1 != "")
            contractAddDisabled = "";
    }

    async Task<string> GetSHA3(string code)
    {
        var res = await Blockchain.GetSHA3(code);
        Console.WriteLine($"GetSHA3 {code} {res}");
        var ret = res.Substring(2, 8);
        return ret;
    }

    async Task<string> GetSHA3_2()
    {
        var res = await Blockchain.GetSHA3(sha3);
        Console.WriteLine($"GetSHA3 {res}");
        var ret = res.Substring(2, 8);
        return ret;
    }

    protected async Task TransferContract()
    {
        var ttt = "123";
        Console.WriteLine($"len  {ttt.Length}");
        try
        {
            var myacc = AccountModel.Current;
            Console.WriteLine($"TransferContract run");
            Console.WriteLine($"TransferContract {myacc.Name}");

            var recipient = AccountModel.Find(accountSelected);
            if (recipient != null)
            {
                //var b2h = Blockchain.bin2hex("getCount()");
                //Console.WriteLine("bin2hex " + b2h);
                var part1 = await Blockchain.GetSHA3("myTransfer(address)");
                //var part2 = await Blockchain.GetSHA3(recipient.eth_address);
                var zerofill = Blockchain.zerofill(part1.Substring(0, 10), 32, true);
                //var zerofill2 = Blockchain.zerofill(part2, 32, true);
                var paramstring = "0x" + zerofill + recipient.eth_address.Remove(0, 2);
                Console.WriteLine($"paramstring {paramstring}");

                //todo pack myTransfer(address)
                //todo pack contr.Address

                if (Blockchain.GetMain().contractNames.ContainsKey("Transfer"))
                {
                    var contr = Blockchain.GetMain().contractNames["Transfer"];
                    var res = await Blockchain.GetMain().RunContractWrite(contr.Address, $"{paramstring}");
                    Console.WriteLine("TransferContract result " + res);

                    var receipt = await Blockchain.GetMain().GetReceipt(res);
                    Console.WriteLine("TransferContract receipt " + receipt);
                }
            }
            //TODO run smart contract with verifier wallet
        }
        catch (Exception e)
        {
            Console.WriteLine(e.Message);
        }
    }

    private async Task Transfer50()
    {
        var acc = AccountModel.Find(accountSelected);
        var res = await Blockchain.GetMain().SendTransaction(Blockchain.GetMain().address, acc.eth_address, "0x32");
    }

    private async Task GetBalance()
    {
        if (accountSelected != "")
        {
            var acc = AccountModel.Find(accountSelected);
            if (acc != null)
            {
                var res = await acc.GetBalance();
                var balanceInt = AccountModel.ConvertBalance(res);
                balance = balanceInt.ToString();
            }
        }

    }

    private async Task CreateBlockchainAccount()
    {
        AccountModel account = AccountModel.Find(accountSelected);
        if (account != null)
        {
            var res = await Blockchain.GetMain().CreateBlockchainAccount(account);
        }
    }


    private async Task ChangeContract()
    {
        Console.WriteLine("ChangeContract " + contrtest);
        //TODO result as transaction addr
        //result = await Blockchain.loaded[0].GetReceipt(result);
    }


    private async Task RunContract()
    {
        //TODO result as transaction addr
    }

    private async Task AddContract()
    {
        if (Blockchain.loaded.Count > 0)
        {
            var taddr = await Blockchain.GetMain().AddContract(newname, newcode, bytecode);
            if (taddr.Length > 0 && taddr[0] != "")
            {
                result = taddr[0].ToString();
                //hidereceipt = "visible";
                var caddr = await Blockchain.GetMain().GetReceipt(result, true);
                if (caddr != "")
                {
                    result = "contractAddress: " + caddr;
                    contractAddress = caddr;

                    //var id = (int) taddr[1];
                    var smc = taddr[1] as SmartContract;//Blockchain.GetMain().contracts[id];
                    smc.Address = contractAddress;
                    MySQLConnector.Instance().SQLInsert($"update smart_contracts set address='{contractAddress}' where id= {smc.ID}");
                    //var run = await Blockchain.GetMain().RunContractWrite(contractAddress, "0x11111111");
                    //result = "run: " + run;

                    smc.AddFunction(function_processed, sha3);
                }
            }
        }
        //private Post post = new Post();
    }

    SmartContract GetContract(int id)
    {
        if (Blockchain.GetMain().contracts.ContainsKey(id))
            return Blockchain.GetMain().contracts[id];
        else
            return null;
    }

    private async Task GetBlockChain()
    {
        //if (Blockchain.loaded.Count == 0)
        //{
        Blockchain bc = new HyperCube.Models.Blockchain(bcURL, bcport);
        result = await bc.Initialize();
        if (result != "")
            hidecontr = "visible";
        //bcURL = bc.GetAddress();
        //bc.ExecuteContract();
        //bcURL = bc.address;
        //hidecontr = "hidden";
        //}

        //private Post post = new Post();
    }
}