Examples with LedgerBlock com.jd.blockchain.ledger.LedgerBlock used on opensource projects

Example 11 with LedgerBlock

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

the class LedgerQueryController method getDataEntries.

@RequestMapping(method = { RequestMethod.GET, RequestMethod.POST }, path = GET_LATEST_KV_LIST)
@Override
public TypedKVEntry[] getDataEntries(@PathVariable(name = "ledgerHash") HashDigest ledgerHash, @PathVariable(name = "address") String address, @RequestParam("keys") String... keys) {
    if (keys == null || keys.length == 0) {
        return null;
    }
    LedgerQuery ledger = ledgerService.getLedger(ledgerHash);
    LedgerBlock block = ledger.getLatestBlock();
    DataAccountSet dataAccountSet = ledger.getDataAccountSet(block);
    DataAccount dataAccount = dataAccountSet.getAccount(Bytes.fromBase58(address));
    if (dataAccount == null) {
        return null;
    }
    TypedKVEntry[] entries = new TypedKVEntry[keys.length];
    long ver;
    for (int i = 0; i < entries.length; i++) {
        ver = dataAccount.getDataset().getVersion(keys[i]);
        if (ver < 0) {
            entries[i] = new TypedKVData(keys[i], -1, null);
        } else {
            BytesValue value = dataAccount.getDataset().getValue(keys[i], ver);
            entries[i] = new TypedKVData(keys[i], ver, value);
        }
    }
    return entries;
}

Example 12 with LedgerBlock

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

the class LedgerQueryController method getContract.

@RequestMapping(method = RequestMethod.GET, path = GET_LATEST_COMPILED_CONTRACT)
@Override
public ContractInfo getContract(@PathVariable(name = "ledgerHash") HashDigest ledgerHash, @PathVariable(name = "address") String address) {
    LedgerQuery ledger = ledgerService.getLedger(ledgerHash);
    LedgerBlock block = ledger.getLatestBlock();
    ContractAccountSet contractAccountSet = ledger.getContractAccountSet(block);
    return contractAccountSet.getAccount(Bytes.fromBase58(address));
}

Example 13 with LedgerBlock

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

the class LedgerQueryController method getUserEvents.

@RequestMapping(method = RequestMethod.GET, path = GET_EVENT_SEQUENCE)
@Override
public Event[] getUserEvents(@PathVariable(name = "ledgerHash") HashDigest ledgerHash, @PathVariable(name = "address") String address, @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();
    EventPublishingAccount account = ledger.getEventAccountSet(block).getAccount(address);
    if (null == account) {
        return null;
    }
    return account.getEvents(eventName, fromSequence, count);
}

Example 14 with LedgerBlock

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

the class LedgerQueryController method getContractAccounts.

@RequestMapping(method = RequestMethod.GET, path = GET_CONTRACT_ACCOUNT_SEQUENCE)
@Override
public BlockchainIdentity[] getContractAccounts(@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();
    ContractAccountSet contractAccountSet = ledger.getContractAccountSet(block);
    QueryArgs queryArgs = QueryUtils.calFromIndexAndCountDescend(fromIndex, count, (int) contractAccountSet.getTotal());
    SkippingIterator<BlockchainIdentity> it = contractAccountSet.identityIterator();
    it.skip(queryArgs.getFrom());
    return it.next(queryArgs.getCount(), BlockchainIdentity.class);
}

Example 15 with LedgerBlock

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

the class LedgerQueryController method getDataEntries.

@RequestMapping(method = { RequestMethod.GET, RequestMethod.POST }, path = GET_KV_VERSION_LIST)
@Override
public TypedKVEntry[] getDataEntries(@PathVariable(name = "ledgerHash") HashDigest ledgerHash, @PathVariable(name = "address") String address, @RequestBody KVInfoVO kvInfoVO) {
    // parse kvInfoVO;
    List<String> keyList = new ArrayList<>();
    List<Long> versionList = new ArrayList<>();
    if (kvInfoVO != null) {
        for (KVDataVO kvDataVO : kvInfoVO.getData()) {
            for (Long version : kvDataVO.getVersion()) {
                keyList.add(kvDataVO.getKey());
                versionList.add(version);
            }
        }
    }
    String[] keys = keyList.toArray(new String[keyList.size()]);
    Long[] versions = versionList.toArray(new Long[versionList.size()]);
    if (keys == null || keys.length == 0) {
        return null;
    }
    if (versions == null || versions.length == 0) {
        return null;
    }
    if (keys.length != versions.length) {
        throw new ContractException("keys.length!=versions.length!");
    }
    LedgerQuery ledger = ledgerService.getLedger(ledgerHash);
    LedgerBlock block = ledger.getLatestBlock();
    DataAccountSet dataAccountSet = ledger.getDataAccountSet(block);
    DataAccount dataAccount = dataAccountSet.getAccount(Bytes.fromBase58(address));
    if (dataAccount == null) {
        return null;
    }
    TypedKVEntry[] entries = new TypedKVEntry[keys.length];
    long ver = -1;
    for (int i = 0; i < entries.length; i++) {
        // ver = dataAccount.getDataVersion(Bytes.fromString(keys[i]));
        ver = versions[i];
        if (ver < 0) {
            entries[i] = new TypedKVData(keys[i], -1, null);
        } else {
            if (dataAccount.getDataset().getDataCount() == 0 || dataAccount.getDataset().getValue(keys[i], ver) == null) {
                // is the address is not exist; the result is null;
                entries[i] = new TypedKVData(keys[i], -1, null);
            } else {
                BytesValue value = dataAccount.getDataset().getValue(keys[i], ver);
                entries[i] = new TypedKVData(keys[i], ver, value);
            }
        }
    }
    return entries;
}