Examples with ECKeyPair org.fisco.bcos.web3j.crypto.ECKeyPair used on opensource projects

Example 11 with ECKeyPair

use of org.fisco.bcos.web3j.crypto.ECKeyPair in project web3sdk by FISCO-BCOS.

the class GenCredential method createGuomiKeyPair.

public static ECKeyPair createGuomiKeyPair(String privKey) {
    SM2KeyGenerator generator = new SM2KeyGenerator();
    final KeyPair keyPairData = generator.generateKeyPair(privKey);
    if (keyPairData != null)
        return genEcPairFromKeyPair(keyPairData);
    return null;
}

Example 12 with ECKeyPair

use of org.fisco.bcos.web3j.crypto.ECKeyPair in project web3sdk by FISCO-BCOS.

the class GenCredential method create.

public static Credentials create(ECKeyPair keyPair) {
    try {
        ECKeyPair newKeyPair = createKeyPair(keyPair.getPrivateKey().toString(16));
        if (newKeyPair == null)
            return null;
        Credentials credentials = Credentials.create(newKeyPair);
        return credentials;
    } catch (Exception e) {
        System.out.println("init credential from private key failed ");
        logger.error("init credential from private key failed, error msg:" + e.getMessage());
        return null;
    }
}

Example 13 with ECKeyPair

use of org.fisco.bcos.web3j.crypto.ECKeyPair in project web3sdk by FISCO-BCOS.

the class TestTxDecode method sentTx.

public static TransactionReceipt sentTx() throws Exception {
    // init the Service
    ApplicationContext context = new ClassPathXmlApplicationContext("classpath:applicationContext.xml");
    Service service = context.getBean(Service.class);
    service.run();
    ECKeyPair keyPair = Keys.createEcKeyPair();
    Credentials credentials = Credentials.create(keyPair);
    ChannelEthereumService channelEthereumService = new ChannelEthereumService();
    channelEthereumService.setChannelService(service);
    service.setGroupId(1);
    Web3j web3j = Web3j.build(channelEthereumService, service.getGroupId());
    RemoteCall<TableTest> deploy = TableTest.deploy(web3j, credentials, new StaticGasProvider(new BigInteger("30000000"), new BigInteger("30000000")));
    TableTest tableTest = deploy.send();
    tableTest.create().send();
    String name = "fruit";
    int item_id = 1;
    String item_name = "apple";
    RemoteCall<TransactionReceipt> insert = tableTest.insert(name, BigInteger.valueOf(item_id), item_name);
    TransactionReceipt txReceipt = insert.send();
    return txReceipt;
}