Examples with TxBuilder com.jd.blockchain.transaction.TxBuilder used on opensource projects

Example 16 with TxBuilder

use of com.jd.blockchain.transaction.TxBuilder in project jdchain-core by blockchain-jd-com.

the class ManagementController method prepareDeActiveTx.

private TransactionRequest prepareDeActiveTx(HashDigest ledgerHash, ParticipantNode node, Properties customProperties) {
    int deActiveID = node.getId();
    // organize system config properties
    Property[] properties = ParticipantContext.context().participantService().createDeactiveProperties(node.getPubKey(), deActiveID, customProperties);
    TxBuilder txbuilder = new TxBuilder(ledgerHash, ledgerCryptoSettings.get(ledgerHash).getHashAlgorithm());
    // This transaction contains participant state update and settings update two
    // ops
    txbuilder.states().update(new BlockchainIdentityData(node.getPubKey()), ParticipantNodeState.DEACTIVATED);
    txbuilder.consensus().update(properties);
    TransactionRequestBuilder reqBuilder = txbuilder.prepareRequest();
    reqBuilder.signAsEndpoint(new AsymmetricKeypair(ledgerKeypairs.get(ledgerHash).getPubKey(), ledgerKeypairs.get(ledgerHash).getPrivKey()));
    return reqBuilder.buildRequest();
}

Example 17 with TxBuilder

use of com.jd.blockchain.transaction.TxBuilder in project jdchain-core by blockchain-jd-com.

the class TransactionSetTest method buildTransactionRequest_RandomOperation.

/**
 * 创建交易请求；以随机生成的数据作为交易的操作参数；
 *
 * @param ledgerHash
 * @param defCryptoSetting
 * @return
 */
private TransactionRequest buildTransactionRequest_RandomOperation(HashDigest ledgerHash, CryptoSetting defCryptoSetting) {
    // Build transaction request;
    TxBuilder txBuilder = new TxBuilder(ledgerHash, defCryptoSetting.getHashAlgorithm());
    Operation[] operations = new Operation[5];
    // register user;
    BlockchainKeypair userKey = BlockchainKeyGenerator.getInstance().generate();
    operations[0] = txBuilder.users().register(userKey.getIdentity());
    // register data account;
    BlockchainKeypair dataKey = BlockchainKeyGenerator.getInstance().generate();
    operations[1] = txBuilder.dataAccounts().register(dataKey.getIdentity());
    // set data after registering data account immediately;
    operations[2] = txBuilder.dataAccount(dataKey.getAddress()).setText("A", "Value_A_0", -1).setText("B", "Value_B_0", -1).getOperation();
    // generate random bytes as the bytes of ChainCode to deploy as a smart
    // contract；
    byte[] chainCode = new byte[128];
    rand.nextBytes(chainCode);
    BlockchainKeypair contractKey = BlockchainKeyGenerator.getInstance().generate();
    operations[3] = txBuilder.contracts().deploy(contractKey.getIdentity(), chainCode);
    // invoke smart contract;
    operations[4] = txBuilder.contract(contractKey.getAddress()).invoke("test", BytesDataList.singleText("TestContractArgs"));
    // build transaction request;
    TransactionRequestBuilder txReqBuilder = txBuilder.prepareRequest();
    BlockchainKeypair sponsorKey = BlockchainKeyGenerator.getInstance().generate();
    txReqBuilder.signAsEndpoint(sponsorKey);
    BlockchainKeypair gatewayKey = BlockchainKeyGenerator.getInstance().generate();
    txReqBuilder.signAsNode(gatewayKey);
    TransactionRequest txReq = txReqBuilder.buildRequest();
    return txReq;
}

Example 18 with TxBuilder

use of com.jd.blockchain.transaction.TxBuilder in project jdchain-core by blockchain-jd-com.

the class ParticipantManagerService4Bft method prepareReconfigTx.

// 在指定的账本上准备一笔reconfig操作交易
private TransactionRequest prepareReconfigTx(String type) {
    TransactionRequest reconfigTxRequest;
    ParticipantContext context = ParticipantContext.context();
    HashDigest ledgerHash = context.ledgerHash();
    TxBuilder txbuilder = new TxBuilder(ledgerHash, (Short) context.getProperty(ParticipantContext.HASH_ALG_PROP));
    // This transaction contains one reconfig op
    txbuilder.consensus().reconfig(type);
    TransactionRequestBuilder reqBuilder = txbuilder.prepareRequest();
    reqBuilder.signAsEndpoint((AsymmetricKeypair) context.getProperty(ParticipantContext.ENDPOINT_SIGNER_PROP));
    reconfigTxRequest = reqBuilder.buildRequest();
    DigitalSignature nodeSigner = SignatureUtils.sign((Short) context.getProperty(ParticipantContext.HASH_ALG_PROP), reconfigTxRequest.getTransactionContent(), (AsymmetricKeypair) context.getProperty(ParticipantContext.ENDPOINT_SIGNER_PROP));
    ((TxRequestMessage) reconfigTxRequest).addNodeSignatures(nodeSigner);
    return reconfigTxRequest;
}