public AddressPair Peek(UInt256 hash, UInt16 index)
{
IndexPair idxPair = new IndexPair(hash, index);
AddressPair result = entries.ContainsKey(idxPair) ? entries[idxPair] : null;
return(result);
}
public void Add(UInt256 hash, UInt16 index, Fixed8 value, UInt160 address)
{
IndexPair idxPair = new IndexPair(hash, index);
AddressPair addPair = new AddressPair(value, address);
entries.Add(idxPair, addPair);
}
private static void ImportBlocksAndSearchNEO(Stream stream, int specified_block_height)
{
long start_tick = DateTime.Now.Ticks;
int tx_count = 0;
//Dictionary<TransactionType, int> types = new Dictionary<TransactionType, int>();
//Dictionary<TransactionType, int> typesWithOutput = new Dictionary<TransactionType, int>();
//Dictionary<TransactionType, int> typesWithOutputNEO = new Dictionary<TransactionType, int>();
//LevelDBBlockchain blockchain = (LevelDBBlockchain)Blockchain.Default;
INeoAnalyst analyst = new NeoMemAnalyst();
using (BinaryReader r = new BinaryReader(stream))
{
uint start = 0;
uint count = r.ReadUInt32();
uint end = start + count - 1;
if (specified_block_height > end)
{
Console.WriteLine("Specified block height({0}) is larger than the height({1}) of chain.acc.", specified_block_height, end);
return;
}
Console.WriteLine("total blocks in chain.acc : {0}", count);
for (uint height = start; height <= specified_block_height; height++)
{
int block_length = r.ReadInt32();
byte[] array = r.ReadBytes(block_length);
Block block = array.AsSerializable <Block>();
tx_count += block.Transactions.Length;
int tx_order = 0;
foreach (Transaction tx in block.Transactions)
{
Fixed8 sumOfInput = Fixed8.Zero;
foreach (CoinReference input in tx.Inputs)
{
AddressPair value = analyst.Remove(input.PrevHash, input.PrevIndex);
//AddressPair value = analyst.Peek(input.PrevHash, input.PrevIndex);
if (value != null)
{
sumOfInput += value.value;
}
}
Fixed8 sumOfOutput = Fixed8.Zero;
for (ushort output_index = 0; output_index < (ushort)tx.Outputs.Length; output_index++)
{
TransactionOutput output = tx.Outputs[output_index];
if (output.AssetId.Equals(Blockchain.GoverningToken.Hash))
{
analyst.Add(tx.Hash, output_index, output.Value, output.ScriptHash);
sumOfOutput += output.Value;
}
}
if (sumOfInput != sumOfOutput && tx.Type != TransactionType.IssueTransaction)
{
Console.WriteLine("Unbalanced block height {0}, tx order {1} type {2}, input {3}, output {4},\n\ttx {5}", height, tx_order, tx.Type, sumOfInput, sumOfOutput, tx.Hash);
Console.WriteLine("-------- Inputs ----------");
foreach (CoinReference input in tx.Inputs)
{
Console.WriteLine("\t{0} : {1}", input.PrevHash, input.PrevIndex);
AddressPair value = analyst.Peek(input.PrevHash, input.PrevIndex);
if (value != null)
{
Console.WriteLine("\t\t{0} : {1}", value.value, value.address);
}
}
Console.WriteLine("-------- Outputs ----------");
for (ushort output_index = 0; output_index < (ushort)tx.Outputs.Length; output_index++)
{
TransactionOutput output = tx.Outputs[output_index];
Console.WriteLine("\t{0} : {1} : {2}", output.Value, output.ScriptHash, output_index);
}
Console.WriteLine("------------------");
}
tx_order++;
}
if (height % 1000 == 0)
{
double progress = height * 100.0 / (specified_block_height + 1);
Console.WriteLine("{0:F2}% : block {1} size {2}", progress, height, block_length);
}
}
}
Dictionary <UInt160, Fixed8> balanceDictionary = new Dictionary <UInt160, Fixed8>();
foreach (AddressPair ap in analyst.AsEnumerable())
{
if (balanceDictionary.ContainsKey(ap.address))
{
balanceDictionary[ap.address] = balanceDictionary[ap.address] + ap.value;
}
else
{
balanceDictionary[ap.address] = ap.value;
}
}
Export(balanceDictionary);
long stop_tick = DateTime.Now.Ticks;
long cost = stop_tick - start_tick;
long seconds = cost / 10000000;
Console.WriteLine("{0} seconds", seconds);
Console.WriteLine("...");
}
private static void ImportBlocksAndArrangeUTXO(Stream stream, int specified_block_height)
{
long start_tick = DateTime.Now.Ticks;
int tx_count = 0;
INeoAnalyst analyst = new NeoMemAnalyst();
Dictionary <IndexPair, bool> utxoDictionary = new Dictionary <IndexPair, bool>();
using (BinaryReader r = new BinaryReader(stream))
{
uint start = 0;
uint count = r.ReadUInt32();
uint end = start + count - 1;
if (specified_block_height > end)
{
Console.WriteLine("Specified block height({0}) is larger than the height({1}) of chain.acc.", specified_block_height, end);
return;
}
else if (specified_block_height < 0)
{
specified_block_height = (int)end;
}
Console.WriteLine("total blocks in chain.acc : {0}", count);
for (uint height = start; height <= specified_block_height; height++)
{
int block_length = r.ReadInt32();
byte[] array = r.ReadBytes(block_length);
Block block = array.AsSerializable <Block>();
tx_count += block.Transactions.Length;
int tx_order = 0;
foreach (Transaction tx in block.Transactions)
{
Fixed8 sumOfInput = Fixed8.Zero;
foreach (CoinReference input in tx.Inputs)
{
AddressPair value = analyst.Remove(input.PrevHash, input.PrevIndex);
//AddressPair value = analyst.Peek(input.PrevHash, input.PrevIndex);
if (value != null)
{
sumOfInput += value.value;
utxoDictionary[new IndexPair(input.PrevHash, input.PrevIndex)] = false;
}
}
Fixed8 sumOfOutput = Fixed8.Zero;
for (ushort output_index = 0; output_index < (ushort)tx.Outputs.Length; output_index++)
{
TransactionOutput output = tx.Outputs[output_index];
//if (output.AssetId.Equals(Blockchain.GoverningToken.Hash))
//{
analyst.Add(tx.Hash, output_index, output.Value, output.ScriptHash);
sumOfOutput += output.Value;
utxoDictionary.Add(new IndexPair(tx.Hash, output_index), true);
//}
}
//if (sumOfInput != sumOfOutput && tx.Type != TransactionType.IssueTransaction && tx.Type != TransactionType.ClaimTransaction && tx.Type != TransactionType.EnrollmentTransaction && tx.Type != TransactionType.RegisterTransaction && tx.Type != TransactionType.InvocationTransaction && tx.Type != TransactionType.MinerTransaction)
//{
// Console.WriteLine("Unbalanced block height {0}, tx order {1} type {2}, input {3}, output {4},\n\ttx {5}", height, tx_order, tx.Type, sumOfInput, sumOfOutput, tx.Hash);
// Console.WriteLine("-------- Inputs ----------");
// foreach (CoinReference input in tx.Inputs)
// {
// Console.WriteLine("\t{0} : {1}", input.PrevHash, input.PrevIndex);
// AddressPair value = analyst.Peek(input.PrevHash, input.PrevIndex);
// if (value != null)
// {
// Console.WriteLine("\t\t{0} : {1}", value.value, value.address);
// }
// }
// Console.WriteLine("-------- Outputs ----------");
// for (ushort output_index = 0; output_index < (ushort)tx.Outputs.Length; output_index++)
// {
// TransactionOutput output = tx.Outputs[output_index];
// Console.WriteLine("\t{0} : {1} : {2}", output.Value, output.ScriptHash, output_index);
// }
// Console.WriteLine("------------------");
//}
tx_order++;
}
if (height % 1000 == 0)
{
double progress = height * 100.0 / (specified_block_height + 1);
Console.WriteLine("{0:F2}% : block {1} size {2}", progress, height, block_length);
}
}
}
Console.WriteLine("{0} UTXO entries.", utxoDictionary.Keys.Count);
File.Delete("utxo_list.csv");
StreamWriter sw = File.CreateText("utxo_list.csv");
foreach (IndexPair key in utxoDictionary.Keys)
{
sw.WriteLine("{0},{1},{2}", key.hash, key.index, utxoDictionary[key]?"unspent":"spent");
}
sw.Close();
File.Delete("utxo_sample_100k.csv");
File.Delete("utxo_status_100k.csv");
StreamWriter sw1 = File.CreateText("utxo_sample_100k.csv");
StreamWriter sw2 = File.CreateText("utxo_status_100k.csv");
List <IndexPair> keys = new List <IndexPair>();
keys.AddRange(utxoDictionary.Keys);
Random rnd = new Random();
for (int i = 0; i < 100000; i++)
{
int index = rnd.Next(keys.Count);
var key = keys[index];
sw1.WriteLine("{0},{1}", key.hash, key.index);
sw2.WriteLine("{0}", utxoDictionary[key] ? "unspent" : "spent");
}
sw1.Close();
sw2.Close();
File.Delete("utxo_sample_1m.csv");
File.Delete("utxo_status_1m.csv");
StreamWriter sw3 = File.CreateText("utxo_sample_1m.csv");
StreamWriter sw4 = File.CreateText("utxo_status_1m.csv");
for (int i = 0; i < 1000000; i++)
{
int index = rnd.Next(keys.Count);
var key = keys[index];
sw3.WriteLine("{0},{1}", key.hash, key.index);
sw4.WriteLine("{0}", utxoDictionary[key] ? "unspent" : "spent");
}
sw3.Close();
sw4.Close();
long stop_tick = DateTime.Now.Ticks;
long cost = stop_tick - start_tick;
long seconds = cost / 10000000;
Console.WriteLine("{0} seconds", seconds);
Console.WriteLine("...");
}