A Java library for graphene blockchains such as Hive and Bitshares. This is the core of the PalmPay Point of Sale systems. GrapheneJ can also be used for your mobile apps, embedded systems, etc. https://PalmPay.io
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A Java library for mobile app Developers; Graphene/Bitshares blockchain.
In your root build.gradle, add this if you don't already have it.
allprojects {
repositories {
jcenter()
}
}
In your app module, add the following dependency:
dependencies {
compile 'com.github.bilthon:graphenej:0.4.2'
}
This is a simple transfer operation of 1 BTS from account bilthon-15 to bilthon-5
// Creating a transfer operation
TransferOperation transferOperation = new TransferOperationBuilder()
.setTransferAmount(new AssetAmount(UnsignedLong.valueOf(100000), new Asset("1.3.0")))
.setSource(new UserAccount("1.2.143563")) // bilthon-15
.setDestination(new UserAccount("1.2.139313")) // bilthon-5
.setFee(new AssetAmount(UnsignedLong.valueOf(264174), new Asset("1.3.0")))
.build();
// Adding operations to the operation list
ArrayList<BaseOperation> operationList = new ArrayList<>();
operationList.add(transferOperation);
// Creating a transaction instance
Transaction transaction = new Transaction(sourcePrivateKey, null, operationList);
From here on out, it is just a matter of creating a websocket connection and using a custom handler called
java // Setting up a secure websocket connection. SSLContext context = null; context = NaiveSSLContext.getInstance("TLS"); WebSocketFactory factory = new WebSocketFactory(); factory.setSSLContext(context);
WebSocket mWebSocket = factory.createSocket(FULL_NODE_URL);
mWebSocket.addListener(new TransactionBroadcastSequence(transaction, new Asset("1.3.0"), listener)); mWebSocket.connect(); ```
The provided listener
is an instance of the class WitnessResponseListener
.