com.jd.blockchain.sdk.client.GatewayBlockchainServiceProxy Maven / Gradle / Ivy
package com.jd.blockchain.sdk.client;
import java.util.LinkedHashMap;
import java.util.Map;
import com.jd.blockchain.crypto.HashDigest;
import com.jd.blockchain.ledger.CryptoSetting;
import com.jd.blockchain.sdk.BlockchainException;
import com.jd.blockchain.sdk.proxy.BlockchainServiceProxy;
import com.jd.blockchain.transaction.BlockchainQueryService;
import com.jd.blockchain.transaction.TransactionService;
/**
* 连接到网关的区块链服务代理；
*
*
* 用于提供给 SDK 的调用者向网关节点查询不同的区块链账本的数据，或者向不同的区块链账本提交交易；
*
* @author huanghaiquan
*
*/
public class GatewayBlockchainServiceProxy extends BlockchainServiceProxy {
private BlockchainQueryService queryService;
private TransactionService txService;
private HashDigest[] ledgerHashs;
private Map cryptoSettingMap = new LinkedHashMap();
public GatewayBlockchainServiceProxy(HashDigest[] ledgerHashs, CryptoSetting[] ledgerCryptoSettings, TransactionService txService, BlockchainQueryService queryService) {
this.ledgerHashs = ledgerHashs;
for (int i = 0; i < ledgerHashs.length; i++) {
cryptoSettingMap.put(ledgerHashs[i], ledgerCryptoSettings[i]);
}
this.txService = txService;
this.queryService = queryService;
}
@Override
protected CryptoSetting getCryptoSetting(HashDigest ledgerHash) {
CryptoSetting cryptoSetting = cryptoSettingMap.get(ledgerHash);
if (cryptoSetting == null) {
throw new BlockchainException("Ledger["+ledgerHash.toBase58()+"] not exist!");
}
return cryptoSetting;
}
@Override
public HashDigest[] getLedgerHashs() {
return ledgerHashs;
}
@Override
protected TransactionService getTransactionService(HashDigest ledgerHash) {
return txService;
}
@Override
protected BlockchainQueryService getQueryService(HashDigest ledgerHash) {
return queryService;
}
}