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

Example 11 with LedgerQuery

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

the class LedgerQueryController method getDataAccountCount.

@RequestMapping(method = RequestMethod.GET, path = GET_DATA_ACCOUNT_COUNT_ON_BLOCK_HASH)
@Override
public long getDataAccountCount(@PathVariable(name = "ledgerHash") HashDigest ledgerHash, @PathVariable(name = "blockHash") HashDigest blockHash) {
    LedgerQuery ledger = ledgerService.getLedger(ledgerHash);
    LedgerBlock block = ledger.getBlock(blockHash);
    if (null == block) {
        return 0;
    }
    DataAccountSet dataAccountSet = ledger.getDataAccountSet(block);
    return dataAccountSet.getTotal();
}

Example 12 with LedgerQuery

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

the class LedgerQueryController method getSystemEvents.

@RequestMapping(method = RequestMethod.GET, path = GET_SYSTEM_EVENT_SEQUENCE)
@Override
public Event[] getSystemEvents(@PathVariable(name = "ledgerHash") HashDigest ledgerHash, @PathVariable(name = "eventName") String eventName, @RequestParam(name = "fromSequence", required = false, defaultValue = "0") long fromSequence, @RequestParam(name = "count", required = false, defaultValue = "-1") int count) {
    LedgerQuery ledger = ledgerService.getLedger(ledgerHash);
    LedgerBlock block = ledger.getLatestBlock();
    EventGroup systemEvents = ledger.getSystemEventGroup(block);
    return systemEvents.getEvents(eventName, fromSequence, count);
}

Example 13 with LedgerQuery

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

the class LedgerQueryController method getUserCount.

@RequestMapping(method = RequestMethod.GET, path = GET_USER_COUNT_ON_BLOCK_HASH)
@Override
public long getUserCount(@PathVariable(name = "ledgerHash") HashDigest ledgerHash, @PathVariable(name = "blockHash") HashDigest blockHash) {
    LedgerQuery ledger = ledgerService.getLedger(ledgerHash);
    LedgerBlock block = ledger.getBlock(blockHash);
    if (null == block) {
        return 0;
    }
    UserAccountSet userAccountSet = ledger.getUserAccountSet(block);
    return userAccountSet.getTotal();
}

Example 14 with LedgerQuery

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

the class LedgerQueryController method getSystemEventNameTotalCount.

@RequestMapping(method = RequestMethod.GET, path = GET_SYSTEM_EVENT_SUBJECT_COUNT)
@Override
public long getSystemEventNameTotalCount(@PathVariable(name = "ledgerHash") HashDigest ledgerHash) {
    LedgerQuery ledger = ledgerService.getLedger(ledgerHash);
    LedgerBlock block = ledger.getLatestBlock();
    EventGroup systemEvents = ledger.getSystemEventGroup(block);
    return systemEvents.totalEventNames();
}

Example 15 with LedgerQuery

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

the class LedgerQueryController method getDataAccounts.

/**
 * get more dataAccounts by fromIndex and count;
 *
 * @param ledgerHash
 * @param fromIndex
 * @param count
 * @return
 */
@RequestMapping(method = RequestMethod.GET, path = GET_DATA_ACCOUNT_SEQUENCE)
@Override
public BlockchainIdentity[] getDataAccounts(@PathVariable(name = "ledgerHash") HashDigest ledgerHash, @RequestParam(name = "fromIndex", required = false, defaultValue = "0") int fromIndex, @RequestParam(name = "count", required = false, defaultValue = "-1") int count) {
    LedgerQuery ledger = ledgerService.getLedger(ledgerHash);
    LedgerBlock block = ledger.getLatestBlock();
    DataAccountSet dataAccountSet = ledger.getDataAccountSet(block);
    QueryArgs queryArgs = QueryUtils.calFromIndexAndCountDescend(fromIndex, count, (int) dataAccountSet.getTotal());
    SkippingIterator<BlockchainIdentity> it = dataAccountSet.identityIterator();
    it.skip(queryArgs.getFrom());
    return it.next(queryArgs.getCount(), BlockchainIdentity.class);
}