摘要:完整的步骤如下检查比特币或的余额,钱包地址。比特币的到帐时间是个块的高度,约分钟。
方案一: 通过ExinCore API进行币币交易
Exincore 提供了基于Mixin Network的币币交易API.
你可以支付USDT给ExinCore, ExinCore会以最低的价格,最优惠的交易费将你购买的比特币转给你, 每一币交易都是匿名的,并且可以在链上进行验证,交易的细节只有你与ExinCore知道!
ExinCore 也不知道你是谁,它只知道你的UUID.
预备知识:你先需要创建一个机器人, 方法在 教程一.
安装依赖包正如教程一里我们介绍过的, 我们需要依赖 mixin-java-sdk, 你应该先安装过它了, 这儿我们再安装其它的软件包.
下载地址: mvnrepository
build.gradle.kts的dependencies,加入如下依赖的包:
implementation("com.google.guava:guava:27.0.1-jre") implementation("commons-codec:commons-codec:1.11") implementation("com.auth0:java-jwt:3.8.0") compile(files("libs/mixin-java-sdk.jar")) implementation("com.squareup.okhttp3:okhttp:3.12.1") implementation("com.squareup.okio:okio:2.2.2") implementation("com.google.code.gson:gson:2.8.5") implementation("org.bouncycastle:bcprov-jdk16:1.46") implementation("org.apache.commons:commons-csv:1.6") implementation("org.msgpack:msgpack-core:0.8.16") implementation("com.fasterxml.jackson.core:jackson-databind:2.9.8") implementation("com.fasterxml.jackson.core:jackson-core:2.9.8") implementation("org.jetbrains.kotlin:kotlin-stdlib:1.3.30")充币到 Mixin Network, 并读出它的余额.
通过ExinCore API, 可以进行BTC, USDT, EOS, ETH 等等交易, 此处演示用 USDT购买BTC 或者 用BTC购买USDT。交易前,先检查一下钱包地址。
完整的步骤如下:
检查比特币或USDT的余额,钱包地址。并记下钱包地址。
从第三方交易所或者你的冷钱包中,将币充到上述钱包地址。
再检查一下币的余额,看到帐与否。(比特币的到帐时间是5个块的高度,约100分钟)。
比特币与USDT的充值地址是一样的。
private static final String BTC_ASSET_ID = "c6d0c728-2624-429b-8e0d-d9d19b6592fa"; private static final String EOS_ASSET_ID = "6cfe566e-4aad-470b-8c9a-2fd35b49c68d"; private static final String USDT_ASSET_ID = "815b0b1a-2764-3736-8faa-42d694fa620a"; MixinAPI mixinApiUser = generateAPI_FromCSV(); JsonObject asset = mixinApiUser.getAsset(BTC_ASSET_ID); System.out.println(asset); System.out.println("------------------------BTC------Information---------------------------"); System.out.println("The BTC wallet address is " + asset.get("public_key").getAsString()); System.out.println("The BTC wallet balance is " + asset.get("balance").getAsString()); System.out.println("-----------------------------------------------------------------------");查询ExinCore市场的价格信息
如何来查询ExinCore市场的价格信息呢?你要先了解你交易的基础币是什么,如果你想买比特币,卖出USDT,那么基础货币就是USDT;如果你想买USDT,卖出比特币,那么基础货币就是比特币.
if ( input.equals("8") ) { JsonArray res = FetchExinOneMarketInfos(USDT_ASSET_ID); System.out.println("--exchange_asset--exchange_asset_symbol/base_asset_symbol--price--minimum--maximum--exchanges--"); // System.out.println(res); res.forEach((element) -> { JsonObject jsonObj = element.getAsJsonObject(); System.out.println(jsonObj.get("exchange_asset").getAsString() + " " + jsonObj.get("exchange_asset_symbol").getAsString() + "/" + jsonObj.get("base_asset_symbol").getAsString() + " " + jsonObj.get("price").getAsString() + " " + jsonObj.get("minimum_amount").getAsString() + " " + jsonObj.get("maximum_amount").getAsString() + " " + jsonObj.get("exchanges").getAsString() ); }); System.out.println("-----------------------------------------------------------------------"); } private static JsonArray FetchExinOneMarketInfos(String url) { OkHttpClient client = new OkHttpClient(); String baseUrl = "https://exinone.com/exincore/markets?base_asset="; String fullUrl = baseUrl + url; Request request = new Request.Builder() .url(fullUrl) .build(); try { Response response = client.newCall(request).execute(); if (!response.isSuccessful()) { throw new IOException("Unexpected code " + response); } return processJsonObjectWithDataOrError(response.body().string()); } catch(Exception e) { e.printStackTrace(); } return null; } public static JsonArray processJsonObjectWithDataOrError(String res) { JsonParser parser = new JsonParser(); JsonElement jsonTree = parser.parse(res); if ( jsonTree.isJsonObject() ) { if ( jsonTree.getAsJsonObject().get("data") != null ) { return jsonTree.getAsJsonObject().get("data").getAsJsonArray(); } } return null; }交易前,创建一个Memo!
在第二章里,基于Mixin Network的 Java 比特币开发教程: 机器人接受比特币并立即退还用户, 我们学习过退还用户比特币,在这里,我们除了给ExinCore支付币外,还要告诉他我们想购买的币是什么,即将想购买的币存到memo里。
public static String encodeUUID(UUID uuid) { try { byte[] byteUuid = asBytes(uuid); MessageBufferPacker packer = MessagePack.newDefaultBufferPacker(); packer.writePayload(byteUuid); packer.close(); byte[] packedData = packer.toByteArray(); byte[] prex = { (byte)129, (byte)161, 65, (byte)196, 16 }; ByteArrayOutputStream output = new ByteArrayOutputStream(); output.write(prex); output.write(packedData); byte[] out = output.toByteArray(); return Base64.getEncoder().encodeToString(out); } catch (Exception e) { e.printStackTrace(); } return null; }币币交易的完整流程
转币给ExinCore时,将memo写入你希望购买的币,否则,ExinCore会直接退币给你!
如果你想卖出比特币买入USDT,调用方式如下:
private static final String EXIN_BOT = "61103d28-3ac2-44a2-ae34-bd956070dab1"; private static final String BTC_ASSET_ID = "c6d0c728-2624-429b-8e0d-d9d19b6592fa"; private static final String EOS_ASSET_ID = "6cfe566e-4aad-470b-8c9a-2fd35b49c68d"; private static final String USDT_ASSET_ID = "815b0b1a-2764-3736-8faa-42d694fa620a"; private static final String BTC_WALLET_ADDR = "14T129GTbXXPGXXvZzVaNLRFPeHXD1C25C"; private static final String MASTER_UUID = "0b4f49dc-8fb4-4539-9a89-fb3afc613747"; if ( input.equals("5") ) { MixinAPI mixinApiUser = generateAPI_FromCSV(); UUID usdtUUID = UUID.fromString(USDT_ASSET_ID); String memoTarget = encodeUUID(usdtUUID); System.out.println("------------------------USDT-BTC-EXCHANGE----------------------------"); System.out.println(memoTarget); JsonObject asset = mixinApiUser.getAsset(BTC_ASSET_ID); System.out.println(asset); System.out.println(asset.get("balance").getAsFloat()); if ( (asset.get("balance").getAsFloat() * 10000) >= 1 ) { JsonObject transInfo = mixinApiUser.transfer(BTC_ASSET_ID, EXIN_BOT, "0.0001",memoTarget); System.out.println("------------------------BTC Transfer To EXCHANGE Information----------------------"); System.out.println(transInfo); System.out.println("-----------------------------------------------------------------------"); } else System.out.println("-----------------------------------------------------------------------"); }
如果你想卖出USDT买入比特币,调用方式如下:
if ( input.equals("6") ) { MixinAPI mixinApiUser = generateAPI_FromCSV(); UUID btcUUID = UUID.fromString(BTC_ASSET_ID); String memoTarget = encodeUUID(btcUUID); System.out.println(memoTarget); System.out.println("-------------------------BTC-USDT-EXCHANGE----------------------------"); JsonObject asset = mixinApiUser.getAsset(BTC_ASSET_ID); System.out.println(asset); if ( asset.get("balance").getAsFloat() >= 1 ) { JsonObject transInfo = mixinApiUser.transfer(USDT_ASSET_ID, EXIN_BOT, "1",memoTarget); System.out.println("------------------------USDT-BTC EXCHANGE Information----------------------"); System.out.println(transInfo); System.out.println("-----------------------------------------------------------------------"); } else System.out.println("-----------------------------------------------------------------------"); }
交易完成后,Exincore会将你需要的币转到你的帐上,同样,会在memo里,记录成交价格,交易费用等信息!你只需要按下面的方式解开即可!
getSnapshots 读取钱包的交易记录。
if ( input.equals("7") ) { MixinAPI mixinApiUser = generateAPI_FromCSV(); String transDatetime = ""; String assetUUID = ""; if ( mixinApiUser.getClientID().equals("091651f2-19c3-34f0-b45e-724ff203d921") ) { transDatetime = "2019-04-19T06:53:22.593529Z"; assetUUID = USDT_ASSET_ID; } else { System.out.print("Input the transaction Date time (eg:2019-04-19T06:53:22.593529Z):"); transDatetime = System.console().readLine(); } JsonArray snapshots = mixinApiUser.getSnapshots(assetUUID,3,transDatetime,"ASC"); // System.out.println(snapshots); snapshots.forEach((element) -> { JsonObject jsonObj = element.getAsJsonObject(); if ( jsonObj.get("amount").getAsFloat() > 0 && jsonObj.get("data") != null ) { System.out.println(jsonObj.get("data").getAsString() ); try { byte[] encoded = Base64.getDecoder().decode(jsonObj.get("data").getAsString()); MessageUnpacker unpacker = MessagePack.newDefaultUnpacker(encoded); Value memoVal = unpacker.unpackValue(); if ( memoVal.isMapValue()) { Mapmap = memoVal.asMapValue().map(); System.out.println(map.size()); if ( map.get(ValueFactory.newString("C")).asIntegerValue().asInt() == 1000 ) { System.out.println("Exchange successful" + " Code: " + map.get(ValueFactory.newString("C")).asIntegerValue()); System.out.println("Price is " + map.get(ValueFactory.newString("P")).asStringValue()); System.out.println("Fee is " + map.get(ValueFactory.newString("F")).asStringValue()); System.out.println("Type is " + map.get(ValueFactory.newString("T")).asStringValue()); ByteBuffer AssetBinValue = map.get(ValueFactory.newString("FA")).asRawValue().asByteBuffer(); System.out.println("Fee is asset UUID is " + ByteBufferAsUuid(AssetBinValue)); ByteBuffer TraceBinValue = map.get(ValueFactory.newString("O")).asRawValue().asByteBuffer(); System.out.println("The trace id is " + ByteBufferAsUuid(TraceBinValue)); } } } catch(Exception e) { e.printStackTrace(); } } }); }
一次成功的交易如下:
Make your choose(eg: q for Exit!): 7 7 -------------------------get-Snapshots--------------------------------------------- hqFDzQPooVCnNTIyNi4wM6FGqTAuMDAxMDQ1MqJGQcQQgVsLGidkNzaPqkLWlPpiCqFUoVKhT8QQPAsBVqKtQ5uS67M/ZTNleg== Exchange successful Code: 1000 Price is 5226.03 Fee is 0.0010452 Type is R Fee is asset UUID is 815b0b1a-2764-3736-8faa-42d694fa620a The trace id is 3c0b0156-a2ad-439b-92eb-b33f6533657a ---------------------end-of-get-Snapshots---------------------------------------------读取币的余额
通过读取币的余额,来确认交易情况!
MixinAPI mixinApiUser = generateAPI_FromCSV(); JsonObject asset = mixinApiUser.getAsset(BTC_ASSET_ID);源代码执行
编译执行,即可开始交易了.
gradle build 编译项目.
java -cp 运行项目.
java -cp .:build/libs/bitcoin_wallet-java.jar:libs/* bitcoin_wallet.java.App
注意:不能使用gradle run来运行,因为我们使用的System.console().readLine()不被Gradle支持,只能使用java -cp
来运行!
本代码执行时的命令列表:
1: Create Bitcoin Wallet and update PIN
2: Read Bitcoin balance & address
3: Read USDT balance & address
4: Read EOS balance & address
tbb:Transfer BTC from Bot to Wallet
tbm:Transfer BTC from Wallet to Master
teb:Transfer EOS from Bot to Wallet
tem:Transfer EOS from Wallet to Master
tub:Transfer USDT from Bot to Wallet
tum:Transfer USDT from Wallet to Master
5: pay 0.0001 BTC buy USDT
6: pay $1 USDT buy BTC
7: Read Snapshots
8: Fetch market price(USDT)
9: Fetch market price(BTC)
v: Verify Wallet Pin
wb: Withdraw BTC
we: WitchDraw EOS
a: Read All Assets Infos
q: Exit
Make your choose(eg: q for Exit!):
完整代码
Solution Two: List your order on Ocean.One exchange文章版权归作者所有,未经允许请勿转载,若此文章存在违规行为,您可以联系管理员删除。
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