use of com.jd.blockchain.ledger.TypedKVData in project jdchain-core by blockchain-jd-com.
the class ContractLedgerQueryService method getDataEntries.
@Override
public TypedKVEntry[] getDataEntries(String address, int fromIndex, int count) {
DataAccountSet dataAccountSet = ledgerQuery.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;
}
use of com.jd.blockchain.ledger.TypedKVData in project jdchain-core by blockchain-jd-com.
the class ContractLedgerQueryService method getDataEntry.
@Override
public TypedKVEntry getDataEntry(String address, String key, long version) {
DataAccount account = ledgerQuery.getDataAccountSet().getAccount(address);
if (null == account) {
return null;
}
BytesValue value = account.getDataset().getValue(key, version);
if (null == value) {
return null;
}
return new TypedKVData(key, version, value);
}
use of com.jd.blockchain.ledger.TypedKVData in project jdchain-core by blockchain-jd-com.
the class ContractLedgerQueryService method getDataEntries.
@Override
public TypedKVEntry[] getDataEntries(String address, String... keys) {
DataAccount account = ledgerQuery.getDataAccountSet().getAccount(address);
TypedKVEntry[] entries = new TypedKVEntry[keys.length];
long ver;
for (int i = 0; i < entries.length; i++) {
final String currKey = keys[i];
ver = account == null ? -1 : account.getDataset().getVersion(currKey);
if (ver < 0) {
entries[i] = new TypedKVData(currKey, -1, null);
} else {
BytesValue value = account.getDataset().getValue(currKey, ver);
entries[i] = new TypedKVData(currKey, ver, value);
}
}
return entries;
}
use of com.jd.blockchain.ledger.TypedKVData 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;
}
use of com.jd.blockchain.ledger.TypedKVData 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;
}
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