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

Example 6 with DataAccountSet

use of com.jd.blockchain.ledger.core.DataAccountSet 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 7 with DataAccountSet

use of com.jd.blockchain.ledger.core.DataAccountSet 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);
}

Example 8 with DataAccountSet

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

the class LedgerQueryController method getDataAccountTotalCount.

@RequestMapping(method = RequestMethod.GET, path = GET_TOTAL_DATA_ACCOUNT_COUNT)
@Override
public long getDataAccountTotalCount(@PathVariable(name = "ledgerHash") HashDigest ledgerHash) {
    LedgerQuery ledger = ledgerService.getLedger(ledgerHash);
    LedgerBlock block = ledger.getLatestBlock();
    DataAccountSet dataAccountSet = ledger.getDataAccountSet(block);
    return dataAccountSet.getTotal();
}

Example 9 with DataAccountSet

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

the class ContractLedgerQueryService method getDataAccounts.

@Override
public BlockchainIdentity[] getDataAccounts(int fromIndex, int count) {
    DataAccountSet dataAccountSet = ledgerQuery.getDataAccountSet();
    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);
}

Example 10 with DataAccountSet

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

the class UncommittedLedgerQueryService method getDataEntries.

@Override
public TypedKVEntry[] getDataEntries(String address, int fromIndex, int count) {
    DataAccountSet dataAccountSet = transactionContext.getDataset().getDataAccountSet();
    DataAccount dataAccount = dataAccountSet.getAccount(Bytes.fromBase58(address));
    QueryArgs queryArgs = QueryUtils.calFromIndexAndCount(fromIndex, count, (int) dataAccount.getDataset().getDataCount());
    SkippingIterator<DataEntry<String, TypedValue>> iterator = ((IteratorDataset) dataAccount.getDataset()).kvIterator();
    iterator.skip(queryArgs.getFrom());
    TypedKVEntry[] typedKVEntries = iterator.next(queryArgs.getCount(), TypedKVEntry.class, entry -> new TypedKVData(entry.getKey(), entry.getVersion(), entry.getValue()));
    return typedKVEntries;
}