Examples with LedgerInitProposalData com.jd.blockchain.ledger.core.LedgerInitProposalData used on opensource projects

Example 1 with LedgerInitProposalData

use of com.jd.blockchain.ledger.core.LedgerInitProposalData in project jdchain-core by blockchain-jd-com.

the class LedgerInitializeWebController method prepareLocalPermission.

public LedgerInitProposal prepareLocalPermission(int currentId, PrivKey privKey, LedgerInitConfiguration ledgerInitConfig) {
    // 创建初始化配置；
    ParticipantProperties[] participants = ledgerInitConfig.getParticipants();
    if (currentId < 0 || currentId >= participants.length) {
        throw new LedgerInitException("Your id is out of bound of participant list!");
    }
    this.currentId = currentId;
    // 校验当前的公钥、私钥是否匹配；
    byte[] testBytes = BytesUtils.toBytes(currentId);
    SignatureFunction signatureFunction = Crypto.getSignatureFunction(privKey.getAlgorithm());
    SignatureDigest testSign = signatureFunction.sign(privKey, testBytes);
    PubKey myPubKey = participants[currentId].getPubKey();
    if (!signatureFunction.verify(testSign, myPubKey, testBytes)) {
        throw new LedgerInitException("Your pub-key specified in the init-settings isn't match your priv-key!");
    }
    this.initializerAddresses = new NetworkAddress[participants.length];
    // 记录每个参与方的账本初始化服务地址；
    for (int i = 0; i < participants.length; i++) {
        initializerAddresses[i] = participants[i].getInitializerAddress();
    }
    // 初始化账本；
    this.initializer = LedgerInitializer.create(ledgerInitConfig.getLedgerSettings(), ledgerInitConfig.getSecuritySettings());
    // 对初始交易签名，生成当前参与者的账本初始化许可；
    SignatureDigest permissionSign = initializer.signTransaction(privKey);
    LedgerInitProposalData permission = new LedgerInitProposalData(currentId, permissionSign);
    this.currentId = currentId;
    this.permissions = new LedgerInitProposal[participants.length];
    this.permissions[currentId] = permission;
    this.localPermission = permission;
    return permission;
}