@Override
public void put(DataWord key, DataWord value) {
if (value.equals(DataWord.ZERO)) {
storage.remove(key);
} else {
storage.put(key, value);
}
this.setDirty(true);
}
@Override
public byte[] getStorageHash() {
SecureTrie storageTrie = new SecureTrie(null);
for (DataWord key : storage.keySet()) {
DataWord value = storage.get(key);
storageTrie.update(key.getData(), RLP.encodeElement(value.getNoLeadZeroesData()));
}
return storageTrie.getRootHash();
}
@Override
public DataWord get(DataWord key) {
DataWord value = storage.get(key);
if (value != null) value = value.clone();
return value;
}
@Override
public void setStorage(List<DataWord> storageKeys, List<DataWord> storageValues) {
for (int i = 0; i < storageKeys.size(); ++i) {
DataWord key = storageKeys.get(i);
DataWord value = storageKeys.get(i);
storage.put(key, value);
}
}
@Override
public byte[] getEncoded() {
byte[][] keys = new byte[storage.size()][];
byte[][] values = new byte[storage.size()][];
int i = 0;
for (DataWord key : storage.keySet()) {
DataWord value = storage.get(key);
keys[i] = RLP.encodeElement(key.getData());
values[i] = RLP.encodeElement(value.getNoLeadZeroesData());
++i;
}
byte[] rlpKeysList = RLP.encodeList(keys);
byte[] rlpValuesList = RLP.encodeList(values);
byte[] rlpCode = RLP.encodeElement(code);
return RLP.encodeList(rlpKeysList, rlpValuesList, rlpCode);
}
@Override
public void decode(byte[] rlpCode) {
RLPList data = RLP.decode2(rlpCode);
RLPList rlpList = (RLPList) data.get(0);
RLPList keys = (RLPList) rlpList.get(0);
RLPList values = (RLPList) rlpList.get(1);
RLPElement code = rlpList.get(2);
for (int i = 0; i < keys.size(); ++i) {
RLPItem key = (RLPItem) keys.get(i);
RLPItem value = (RLPItem) values.get(i);
storage.put(new DataWord(key.getRLPData()), new DataWord(value.getRLPData()));
}
this.code = (code.getRLPData() == null) ? ByteUtil.EMPTY_BYTE_ARRAY : code.getRLPData();
}
