example.oep.Oep4Demo2 Maven / Gradle / Ivy

Go to download
package example.oep;

import com.github.DNAProject.DnaSdk;
import com.github.DNAProject.account.Account;
import com.github.DNAProject.common.Address;
import com.github.DNAProject.common.Helper;
import com.github.DNAProject.core.asset.State;
import com.github.DNAProject.core.transaction.Transaction;
import com.github.DNAProject.crypto.SignatureScheme;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.List;
import java.util.Map;

public class Oep4Demo2 {
    public static String privatekey0 = "523c5fcf74823831756f0bcb3634234f10b3beb1c05595058534577752ad2d9f";
    public static String privatekey1 = "49855b16636e70f100cc5f4f42bc20a6535d7414fb8845e7310f8dd065a97221";
    public static String privatekey2 = "1094e90dd7c4fdfd849c14798d725ac351ae0d924b29a279a9ffa77d5737bd96";
    public static String privatekey3 = "bc254cf8d3910bc615ba6bf09d4553846533ce4403bc24f58660ae150a6d64cf";
    public static String privatekey4 = "06bda156eda61222693cc6f8488557550735c329bc7ca91bd2994c894cd3cbc8";
    public static String privatekey5 = "f07d5a2be17bde8632ec08083af8c760b41b5e8e0b5de3703683c3bdcfb91549";
    static Account acct1 = null;
    static Account acct2 = null;
    static Account acct3 = null;
    static Account acct4 = null;
    static Account acct5 = null;
    static Account account = null;
    static Account acct = null;

    public static void main(String[] args) {
        try {
            DnaSdk dnaSdk = getDnaSdk();

            Account account = new Account(Helper.hexToBytes(privatekey0), SignatureScheme.SHA256WITHECDSA);
            acct1 = new Account(Helper.hexToBytes(privatekey1), dnaSdk.defaultSignScheme);
            acct2 = new Account(Helper.hexToBytes(privatekey2), dnaSdk.defaultSignScheme);
            acct3 = new Account(Helper.hexToBytes(privatekey3), dnaSdk.defaultSignScheme);
            acct4 = new Account(Helper.hexToBytes(privatekey4), dnaSdk.defaultSignScheme);
            acct5 = new Account(Helper.hexToBytes(privatekey5), dnaSdk.defaultSignScheme);
            acct = new Account(Helper.hexToBytes(privatekey0), dnaSdk.defaultSignScheme);
            System.out.println("recv:" + acct.getAddressU160().toBase58());
            System.out.println("send:" + account.getAddressU160().toBase58());

            //set OEP4 contract address（设置OEP4合约地址）
            dnaSdk.neovm().oep4().setContractAddress("dff96f4a83b9cb0de3d5e05ca3dff7af841dc0f3");
            System.out.println(dnaSdk.neovm().oep4().queryBalanceOf(account.getAddressU160().toBase58()));


//            sendTransfer(dnaSdk);
//            sendTransferFromMultiToMulti(dnaSdk);
//            sendTransferFromMultiSignAddr(dnaSdk);
//            getTransferSmartCodeEvent(dnaSdk);
//            accountInfo(dnaSdk);
//            convert(dnaSdk);

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void sendTransfer(DnaSdk dnaSdk) throws Exception {
        // send oep4 from acct1 to acct2(单发单收)
        String txhash = dnaSdk.neovm().oep4().sendTransfer(acct1, acct2.getAddressU160().toBase58(), 1000, acct1, 20000, 500);
        //or
        if(false) {
            Object txhash2 = dnaSdk.neovm().oep4().sendTransfer(acct1, acct2.getAddressU160().toBase58(), new BigInteger("9999999999999999999999999"), acct1, 20000, 500, false);
        }
        return;
    }

    public static void sendTransfer2(DnaSdk dnaSdk) throws Exception {
        // send oep4 from acct1 to acct2, amount is BigInteger(单发单收)


    }

    public static void sendTransferFromMultiToMulti(DnaSdk dnaSdk) throws Exception {
        // acct1,acct2 send to acct3,acct4(单发多收，多发单收，多发多收)
        Account[] accounts = new Account[]{acct1, acct2};
        State state = new State(acct1.getAddressU160(), acct3.getAddressU160(), 100);
        State state2 = new State(acct2.getAddressU160(), acct4.getAddressU160(), 200);
        State[] states = new State[]{state, state2};
        String txhash = dnaSdk.neovm().oep4().sendTransferMulti(accounts, states, acct1, 20000, 0);
        return;

    }

    public static void sendTransferFromMultiSignAddr(DnaSdk dnaSdk) throws Exception {
        // send oep4 from multiSignatureAddress to acct2（多签地址转账）
        Address multiSignatureAddress = Address.addressFromMultiPubKeys(2, acct1.serializePublicKey(), acct2.serializePublicKey());
        Account payerAcct = acct1;
        Transaction tx = dnaSdk.neovm().oep4().makeTransfer(multiSignatureAddress.toBase58(), acct2.getAddressU160().toBase58(), 1000, payerAcct.getAddressU160().toBase58(), 20000, 500);
        dnaSdk.signTx(tx, new Account[][]{{payerAcct}});
        dnaSdk.addMultiSign(tx, 2, new byte[][]{acct1.serializePublicKey(), acct2.serializePublicKey()}, acct1);
        dnaSdk.addMultiSign(tx, 2, new byte[][]{acct1.serializePublicKey(), acct2.serializePublicKey()}, acct2);
        boolean b = dnaSdk.getConnect().sendRawTransaction(tx.toHexString());
        System.out.println(tx.hash().toString());

    }

    public static void getTransferSmartCodeEvent(DnaSdk dnaSdk) throws Exception {
        // parse smartcontract event transfer information(交易结果查看)
        Map obj = (Map) dnaSdk.getConnect().getSmartCodeEvent("3c6f15f4354e368eeee80b4c127007e77d2fe1e1bc463131dee9c358616ab615");
        List list = (List) obj.get("Notify");
        for (int i = 0; i < list.size(); i++) {
            Map tmp = (Map) list.get(i);
            String ContractAddress = (String) tmp.get("ContractAddress");
            List states = (List) tmp.get("States");
            if (ContractAddress.equals("b06f8eaf757030c7a944ce2a072017bde1e72308")) {
                String transfer = (String) states.get(0);
                if (transfer.equals(Helper.toHexString("transfer".getBytes()))) {
                    String from = (String) states.get(1);
                    String to = (String) states.get(2);
                    String amount = (String) states.get(3);
                    System.out.println(transfer + " " + from + " " + to + " " + amount);
                    System.out.println(new String(Helper.hexToBytes(transfer)) + " " + Address.parse(from).toBase58() + " " + Address.parse(to).toBase58() + " " + Helper.BigIntFromNeoBytes(Helper.hexToBytes(amount)).toString());
                }
            }
        }
        return;

    }

    public static void accountInfo(DnaSdk dnaSdk) throws Exception {
        //query oep4 token info(账户状态查看)
        System.out.println(dnaSdk.neovm().oep4().queryDecimals());
        System.out.println(dnaSdk.neovm().oep4().queryName());
        System.out.println(dnaSdk.neovm().oep4().querySymbol());
        System.out.println(dnaSdk.neovm().oep4().queryTotalSupply());
        System.out.println(acct1.getAddressU160().toBase58() + ": " + dnaSdk.neovm().oep4().queryBalanceOf(acct1.getAddressU160().toBase58()));
        return;

    }

    public static void convert(DnaSdk dnaSdk) throws Exception {

        //583e0f  hex金额转string
        BigInteger amount = Helper.BigIntFromNeoBytes(Helper.hexToBytes("583e0f"));
        System.out.println(amount.toString());
        BigDecimal amount2 = new BigDecimal(amount);
        System.out.println(amount2.divide(new BigDecimal("1000000000")).doubleValue());
        return;

    }



    public static void showBalance(DnaSdk dnaSdk, Account[] accounts) throws Exception {
        for (int i = 0; i < accounts.length; i++) {
            int a = i + 1;
            System.out.println("account" + a + ":" + dnaSdk.neovm().oep4().queryBalanceOf(accounts[i].getAddressU160().toBase58()));
        }
    }


    public static DnaSdk getDnaSdk() throws Exception {
        String ip = "http://127.0.0.1";
        String restUrl = ip + ":" + "20334";
        String rpcUrl = ip + ":" + "20336";
        String wsUrl = ip + ":" + "20335";

        DnaSdk wm = DnaSdk.getInstance();
        wm.setRpc(rpcUrl);
        wm.setRestful(restUrl);
        wm.setDefaultConnect(wm.getRestful());
        wm.openWalletFile("oep4.json");
        return wm;
    }
}