com.github.DNAProject.smartcontract.neovm.Oep5 Maven / Gradle / Ivy
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package com.github.DNAProject.smartcontract.neovm;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.github.DNAProject.DnaSdk;
import com.github.DNAProject.account.Account;
import com.github.DNAProject.common.Address;
import com.github.DNAProject.common.ErrorCode;
import com.github.DNAProject.common.Helper;
import com.github.DNAProject.core.transaction.Transaction;
import com.github.DNAProject.sdk.exception.SDKException;
import com.github.DNAProject.smartcontract.neovm.abi.AbiFunction;
import com.github.DNAProject.smartcontract.neovm.abi.AbiInfo;
import com.github.DNAProject.smartcontract.neovm.abi.BuildParams;
import com.github.DNAProject.smartcontract.neovm.oep5.Oep5Param;
import java.util.ArrayList;
import java.util.List;
public class Oep5 {
private DnaSdk sdk;
private String contractAddress = null;
private String oep5abi = "{\"functions\":[{\"name\":\"Main\",\"parameters\":[{\"name\":\"operation\",\"type\":\"\"},{\"name\":\"args\",\"type\":\"\"}],\"returntype\":\"\"}," +
"{\"name\":\"name\",\"parameters\":[],\"returntype\":\"\"}," +
"{\"name\":\"symbol\",\"parameters\":[],\"returntype\":\"\"}," +
"{\"name\":\"balanceOf\",\"parameters\":[{\"name\":\"owner\",\"type\":\"ByteArray\"}],\"returntype\":\"\"}," +
"{\"name\":\"ownerOf\",\"parameters\":[{\"name\":\"tokenID\",\"type\":\"ByteArray\"}],\"returntype\":\"\"}," +
"{\"name\":\"transfer\",\"parameters\":[{\"name\":\"toAcct\",\"type\":\"ByteArray\"},{\"name\":\"tokenID\",\"type\":\"ByteArray\"}],\"returntype\":\"\"}," +
"{\"name\":\"transferMulti\",\"parameters\":[{\"name\":\"args\",\"type\":\"Array\"}],\"returntype\":\"\"}," +
"{\"name\":\"approve\",\"parameters\":[{\"name\":\"toAcct\",\"type\":\"ByteArray\"},{\"name\":\"tokenID\",\"type\":\"ByteArray\"}],\"returntype\":\"\"}," +
"{\"name\":\"takeOwnership\",\"parameters\":[{\"name\":\"toAcct\",\"type\":\"ByteArray\"},{\"name\":\"tokenID\",\"type\":\"ByteArray\"}],\"returntype\":\"\"}," +
"{\"name\":\"concatkey\",\"parameters\":[{\"name\":\"str1\",\"type\":\"\"},{\"name\":\"str2\",\"type\":\"\"}],\"returntype\":\"\"}," +
"{\"name\":\"init\",\"parameters\":[],\"returntype\":\"\"}," +
"{\"name\":\"totalSupply\",\"parameters\":[],\"returntype\":\"\"}," +
"{\"name\":\"queryTokenIDByIndex\",\"parameters\":[{\"name\":\"idx\",\"type\":\"Integer\"}],\"returntype\":\"\"}," +
"{\"name\":\"queryTokenByID\",\"parameters\":[{\"name\":\"tokenID\",\"type\":\"ByteArray\"}],\"returntype\":\"\"}," +
"{\"name\":\"getApproved\",\"parameters\":[{\"name\":\"tokenID\",\"type\":\"ByteArray\"}],\"returntype\":\"\"}," +
"{\"name\":\"createMultiTokens\",\"parameters\":[],\"returntype\":\"\"}," +
"{\"name\":\"createOneToken\",\"parameters\":[{\"name\":\"name\",\"type\":\"\"},{\"name\":\"url\",\"type\":\"\"},{\"name\":\"type\",\"type\":\"\"}],\"returntype\":\"\"}]}";
public Oep5(DnaSdk sdk){
this.sdk = sdk;
}
public void setContractAddress(String codeHash) {
this.contractAddress = codeHash.replace("0x", "");
}
public String getContractAddress() {
return contractAddress;
}
public String sendInit(Account acct, Account payerAcct, long gaslimit, long gasprice) throws Exception {
return (String)sendInit(acct,payerAcct,gaslimit,gasprice,false);
}
private Object sendInit(Account acct, Account payerAcct,long gaslimit,long gasprice,boolean preExec) throws Exception {
if (contractAddress == null) {
throw new SDKException(ErrorCode.NullCodeHash);
}
AbiInfo abiinfo = JSON.parseObject(oep5abi, AbiInfo.class);
AbiFunction func = abiinfo.getFunction("init");
if(preExec) {
byte[] params = BuildParams.serializeAbiFunction(func);
Transaction tx = sdk.vm().makeInvokeCodeTransaction(Helper.reverse(contractAddress), null, params,null,gaslimit, gasprice);
if (acct != null) {
sdk.signTx(tx, new Account[][]{{acct}});
}
Object obj = sdk.getConnect().sendRawTransactionPreExec(tx.toHexString());
if (Integer.parseInt(((JSONObject) obj).getString("Result")) != 1){
throw new SDKException(ErrorCode.OtherError("sendRawTransaction PreExec error: "+ obj));
}
return ((JSONObject) obj).getLong("Gas");
}
if(acct == null || payerAcct == null){
throw new SDKException(ErrorCode.ParamError);
}
Object obj = sdk.neovm().sendTransaction(Helper.reverse(contractAddress),acct,payerAcct,gaslimit,gasprice,func,preExec);
return obj;
}
public String ownerOf(byte[] tokenID) throws Exception {
if (contractAddress == null) {
throw new SDKException(ErrorCode.NullCodeHash);
}
AbiInfo abiinfo = JSON.parseObject(oep5abi, AbiInfo.class);
AbiFunction func = abiinfo.getFunction("ownerOf");
func.name = "ownerOf";
func.setParamsValue(tokenID);
Object obj = sdk.neovm().sendTransaction(Helper.reverse(contractAddress),null,null,0,0,func, true);
return ((JSONObject) obj).getString("Result");
}
public String transfer(Account owner, Oep5Param oep5Transfer, Account payer, long gaslimit, long gasprice) throws Exception {
if (contractAddress == null) {
throw new SDKException(ErrorCode.NullCodeHash);
}
AbiInfo abiinfo = JSON.parseObject(oep5abi, AbiInfo.class);
AbiFunction func = abiinfo.getFunction("transfer");
func.name = "transfer";
func.setParamsValue(oep5Transfer.toAcct, oep5Transfer.tokenId);
Object obj = sdk.neovm().sendTransaction(Helper.reverse(contractAddress),owner,payer,gaslimit,gasprice,func, false);
return (String) obj;
}
public String transferMulti(Account[] owners, Oep5Param[] oep5Transfers, Account payer, long gaslimit, long gasprice) throws Exception {
if (contractAddress == null) {
throw new SDKException(ErrorCode.NullCodeHash);
}
Transaction tx = makeTransferMulti(oep5Transfers, payer, gaslimit, gasprice);
boolean haspayer = false;
for(Account account : owners){
if(account.equals(payer)){
haspayer = true;
}
sdk.addSign(tx, account);
}
if(!haspayer){
sdk.addSign(tx, payer);
}
boolean b = sdk.getConnect().sendRawTransaction(tx.toHexString());
if (!b) {
throw new SDKException(ErrorCode.SendRawTxError);
}
return tx.hash().toHexString();
}
public Transaction makeTransferMulti(Oep5Param[] oep5Transfers, Account payerAcct, long gaslimit, long gasprice) throws SDKException {
if(oep5Transfers == null || payerAcct == null){
throw new SDKException("params should not be null");
}
if(gaslimit < 0 || gasprice< 0){
throw new SDKException("gaslimit or gasprice should not be less than 0");
}
List paramList = new ArrayList<>();
paramList.add("transferMulti".getBytes());
List tempList = new ArrayList();
for(Oep5Param oep5Transfer : oep5Transfers){
List list = new ArrayList();
list.add(oep5Transfer.toAcct);
list.add(oep5Transfer.tokenId);
tempList.add(list);
}
paramList.add(tempList);
byte[] params = BuildParams.createCodeParamsScript(paramList);
Transaction tx = sdk.vm().makeInvokeCodeTransaction(Helper.reverse(contractAddress),null,params,payerAcct.getAddressU160().toBase58(),gaslimit,gasprice);
return tx;
}
public String approve(Account owner, Oep5Param oep5Param, Account payer, long gaslimit, long gasprice) throws Exception {
if (owner == null || oep5Param == null || payer == null) {
throw new SDKException("params should not be null");
}
if(gaslimit < 0 || gasprice< 0){
throw new SDKException("gaslimit or gasprice should not be less than 0");
}
AbiInfo abiinfo = JSON.parseObject(oep5abi, AbiInfo.class);
AbiFunction func = abiinfo.getFunction("approve");
func.setParamsValue(oep5Param.toAcct, oep5Param.tokenId);
Object obj = sdk.neovm().sendTransaction(Helper.reverse(contractAddress),owner,payer,gaslimit,gasprice,func, false);
return (String) obj;
}
public String takeOwnership(Account owner, Oep5Param oep5Param, Account payer, long gaslimit, long gasprice) throws Exception {
if (owner == null || oep5Param == null || payer == null) {
throw new SDKException("params should not be null");
}
if(gaslimit < 0 || gasprice< 0){
throw new SDKException("gaslimit or gasprice should not be less than 0");
}
AbiInfo abiinfo = JSON.parseObject(oep5abi, AbiInfo.class);
AbiFunction func = abiinfo.getFunction("takeOwnership");
func.setParamsValue(oep5Param.toAcct, oep5Param.tokenId);
Object obj = sdk.neovm().sendTransaction(Helper.reverse(contractAddress),owner,payer,gaslimit,gasprice,func, false);
return (String) obj;
}
public String queryTotalSupply() throws Exception {
if (contractAddress == null) {
throw new SDKException(ErrorCode.NullCodeHash);
}
AbiInfo abiinfo = JSON.parseObject(oep5abi, AbiInfo.class);
AbiFunction func = abiinfo.getFunction("totalSupply");
func.setParamsValue();
Object obj = sdk.neovm().sendTransaction(Helper.reverse(contractAddress),null,null,0,0,func, true);
return Helper.BigIntFromNeoBytes(Helper.hexToBytes(((JSONObject) obj).getString("Result"))).toString();
}
public String queryTokenIDByIndex(String idx) throws Exception {
if (contractAddress == null) {
throw new SDKException(ErrorCode.NullCodeHash);
}
AbiInfo abiinfo = JSON.parseObject(oep5abi, AbiInfo.class);
AbiFunction func = abiinfo.getFunction("queryTokenIDByIndex");
func.name = "queryTokenIDByIndex";
func.setParamsValue(idx);
Object obj = sdk.neovm().sendTransaction(Helper.reverse(contractAddress),null,null,0,0,func, true);
return ((JSONObject) obj).getString("Result");
}
public String queryTokenByID(String tokenID) throws Exception {
if (contractAddress == null) {
throw new SDKException(ErrorCode.NullCodeHash);
}
AbiInfo abiinfo = JSON.parseObject(oep5abi, AbiInfo.class);
AbiFunction func = abiinfo.getFunction("queryTokenByID");
func.setParamsValue(tokenID);
Object obj = sdk.neovm().sendTransaction(Helper.reverse(contractAddress),null,null,0,0,func, true);
return ((JSONObject) obj).getString("Result");
}
public String getApproved(String tokenID) throws Exception {
if (contractAddress == null) {
throw new SDKException(ErrorCode.NullCodeHash);
}
AbiInfo abiinfo = JSON.parseObject(oep5abi, AbiInfo.class);
AbiFunction func = abiinfo.getFunction("getApproved");
func.name = "getApproved";
func.setParamsValue(Helper.hexToBytes(tokenID));
Object obj = sdk.neovm().sendTransaction(Helper.reverse(contractAddress),null,null,0,0,func, true);
return ((JSONObject) obj).getString("Result");
}
public String queryName() throws Exception {
if (contractAddress == null) {
throw new SDKException(ErrorCode.NullCodeHash);
}
AbiInfo abiinfo = JSON.parseObject(oep5abi, AbiInfo.class);
AbiFunction func = abiinfo.getFunction("name");
func.name = "name";
func.setParamsValue();
Object obj = sdk.neovm().sendTransaction(Helper.reverse(contractAddress),null,null,0,0,func, true);
return new String(Helper.hexToBytes(((JSONObject) obj).getString("Result")));
}
public String querySymbol() throws Exception {
if (contractAddress == null) {
throw new SDKException(ErrorCode.NullCodeHash);
}
AbiInfo abiinfo = JSON.parseObject(oep5abi, AbiInfo.class);
AbiFunction func = abiinfo.getFunction("symbol");
func.name = "symbol";
func.setParamsValue();
Object obj = sdk.neovm().sendTransaction(Helper.reverse(contractAddress),null,null,0,0,func, true);
return new String(Helper.hexToBytes(((JSONObject) obj).getString("Result")));
}
public String queryBalanceOf(String addr) throws Exception {
if (contractAddress == null) {
throw new SDKException(ErrorCode.NullCodeHash);
}
if(addr == null||addr.equals("")){
throw new SDKException(ErrorCode.ParamError);
}
AbiInfo abiinfo = JSON.parseObject(oep5abi, AbiInfo.class);
AbiFunction func = abiinfo.getFunction("balanceOf");
func.name = "balanceOf";
func.setParamsValue(Address.decodeBase58(addr).toArray());
Object obj = sdk.neovm().sendTransaction(Helper.reverse(contractAddress),null,null,0,0,func, true);
String balance = ((JSONObject) obj).getString("Result");
if(balance.equals("")){
balance = "00";
}
return Helper.BigIntFromNeoBytes(Helper.hexToBytes(balance)).toString();
}
public String queryTokenIDByIndex(int index) throws Exception {
if (contractAddress == null) {
throw new SDKException(ErrorCode.NullCodeHash);
}
if(index < 0){
throw new SDKException(ErrorCode.ParamError);
}
AbiInfo abiinfo = JSON.parseObject(oep5abi, AbiInfo.class);
AbiFunction func = abiinfo.getFunction("queryTokenIDByIndex");
func.setParamsValue((long)index);
Object obj = sdk.neovm().sendTransaction(Helper.reverse(contractAddress),null,null,0,0,func, true);
String tokenId = ((JSONObject) obj).getString("Result");
if(tokenId.equals("")){
tokenId = "00";
}
return tokenId;
}
}
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