tokencore
Contact information
- My Website / @Website
Language
- en English
- zh_CN Simplified Chinese
Use Cases
Exchange wallet backend https://github.com/tradergalax/java-wallet
tokencore introduction
The core components of the blockchain wallet backend, support BTC, OMNI, ETH, ERC20, TRX, TRC20, BCH, BSV, DOGE, DASH, LTC,FILECOIN
tokencore usage
Introducing this library
- gradle way In your build.gradle
repositories {
maven { url 'https://jitpack.io' }
}
dependencies {
compile 'com.github.tradergalax:tokencore:1.2.7'
}
- maven way
<repositories>
<repository>
<id>tronj</id>
<url>https://dl.bintray.com/tronj/tronj</url>
</repository>
<repository>
<id>jitpack.io</id>
<url>https://jitpack.io</url>
</repository>
</repositories>
<dependency>
<groupId>com.github.galaxyzxcv</groupId>
<artifactId>tokencore</artifactId>
<version>1.2.7</version>
</dependency>
Test sample
Initialize identity
try{
Files.createDirectories(Paths.get("${keyStoreProperties.dir}/wallets"))
}catch(Throwable ignored){
}
//KeystoreStorage is an interface that implements its getdir method
WalletManager.storage=KeystoreStorage();
WalletManager.scanWallets();
String password="123456";
Identity identity=Identity.getCurrentIdentity();
if(identity==null){
Identity.createIdentity(
"token",
password,
"",
Network.MAINNET,
Metadata.P2WPKH
);
}Generate wallet
Identity identity = Identity.getCurrentIdentity();
String password = "123456";
Wallet wallet = identity.deriveWalletByMnemonics(
ChainType.BITCOIN,
password,
MnemonicUtil.randomMnemonicCodes()
);
System.out.println(wallet.getAddress());Offline signature
- Bitcoin
String password = "123456";
String toAddress = "33sXfhCBPyHqeVsVthmyYonCBshw5XJZn9";
int changeIdx = 0;
long amount = 1000L;
long fee = 555L;
//utxos needs to go to the node or external api to get
ArrayList<BitcoinTransaction.UTXO> utxos = new ArrayList();
BitcoinTransaction bitcoinTransaction = new BitcoinTransaction(
toAddress,
changeIdx,
amount,
fee,
utxos
);
Wallet wallet = WalletManager.findWalletByAddress(ChainType.BITCOIN, "33sXfhCBPyHqeVsVthmyYonCBshw5XJZn9");
TxSignResult txSignResult = bitcoinTransaction.signTransaction(
String.valueOf(ChainId.BITCOIN_MAINNET),
password,
wallet
);
System.out.println(txSignResult);- TRON
String from = "TJRabPrwbZy45sbavfcjinPJC18kjpRTv8";
String to = "TF17BgPaZYbz8oxbjhriubPDsA7ArKoLX3";
long amount = 1;
String password = "123456";
Wallet wallet = WalletManager.findWalletByAddress(ChainType.BITCOIN, "TJRabPrwbZy45sbavfcjinPJC18kjpRTv8");
TronTransaction transaction = new TronTransaction(from, to, amount);
//Offline signature, it is not recommended to sign and broadcast together
TxSignResult txSignResult = transaction.signTransaction(String.valueOf(ChainId.BITCOIN_MAINNET), password, wallet);
System.out.println(txSignResult);