private void setupCoinReferenceWithVals(CoinReference coinRef, out UInt256 prevHashVal, out ushort prevIndexVal)
{
prevHashVal = new UInt256(TestUtils.GetByteArray(32, 0x42));
prevIndexVal = 22;
coinRef.PrevHash = prevHashVal;
coinRef.PrevIndex = prevIndexVal;
}
public CustomTransaction(TransactionType type) : base(type)
{
Version = 1;
Inputs = new CoinReference[0];
Outputs = new TransactionOutput[0];
Attributes = new TransactionAttribute[0];
}
/// <summary>
/// INIT HISTORY OF TRANSACTIONS
/// </summary>
/// <param name="scriptHash"></param>
/// <param name="value"></param>
/// <param name="inputAmount"></param>
public static void InitTransactionContext(string scriptHash, int value)
{
Transaction initialTransaction = new CustomTransaction(TransactionType.ContractTransaction);
Transaction currentTransaction = new CustomTransaction(TransactionType.ContractTransaction);
TransactionOutput transactionOutput;
CoinReference coinRef;
/** CREATE FAKE PREVIOUS TRANSACTION */
transactionOutput = new TransactionOutput
{
ScriptHash = UInt160.Parse(scriptHash),
Value = new Fixed8(value),
AssetId = UInt256.Parse(NEO_ASSET_ID)
};
initialTransaction.Outputs = new TransactionOutput[] { transactionOutput };
/** CREATE FAKE CURRENT TRANSACTION */
coinRef = new CoinReference
{
PrevHash = initialTransaction.Hash,
PrevIndex = 0
};
currentTransaction.Inputs = new CoinReference[] { coinRef };
/**INIT CONTEXT*/
service.transactions[initialTransaction.Hash] = initialTransaction;
service.transactions[currentTransaction.Hash] = currentTransaction;
scriptContainer = initialTransaction;
}
public static Transaction CreateGlobalTransfer(SignDelegate2 sign)
{
CoinReference[] inputs = new CoinReference[]
{
new CoinReference()
{
PrevHash = new UInt256(preTxId.Remove(0, 2).HexToBytes().Reverse().ToArray()),
PrevIndex = prevIndex //vout n
}
}.ToArray();
var outputs = new List <TransactionOutput>();
var output1 = new TransactionOutput()
{
AssetId = UInt256.Parse(assetid),
ScriptHash = tansferAddress.ToScriptHash(),
Value = tansferValue
};
outputs.Add(output1);
var tx = new ContractTransaction()
{
Outputs = outputs.ToArray(),
Inputs = inputs,
Attributes = new TransactionAttribute[0],
Witnesses = new Witness[0]
};
return(sign.Invoke(tx));
}
// Create ClaimTransaction with 'countRefs' CoinReferences
public static ClaimTransaction GetClaimTransaction(int countRefs)
{
CoinReference[] refs = new CoinReference[countRefs];
for (var i = 0; i < countRefs; i++)
{
refs[i] = GetCoinReference(new UInt256(Crypto.Default.Hash256(new BigInteger(i).ToByteArray())));
}
//==============================
//=== Generating random Hash ===
var randomBytes = new byte[20];
_random.NextBytes(randomBytes);
//==============================
return(new ClaimTransaction
{
Claims = refs,
Attributes = new TransactionAttribute[] { new TransactionAttribute {
Usage = TransactionAttributeUsage.Script, Data = randomBytes
} },
Inputs = new CoinReference[0],
Outputs = new TransactionOutput[0],
Witnesses = new Witness[0]
});
}
public static CoinReferenceContract FromDomain(CoinReference source)
{
return(new CoinReferenceContract
{
PrevHash = source.PrevHash.ToString(),
PrevIndex = source.PrevIndex
});
}
public static CoinReferenceWrapper Wrap(CoinReference reference)
{
return(new CoinReferenceWrapper
{
PrevHash = reference.PrevHash,
PrevIndex = reference.PrevIndex
});
}
private JObject ConvertTransactionInputs(CoinReference coinReference)
{
var json = new JObject();
json["txid"] = coinReference.PrevHash.ToString();
json["vout"] = coinReference.PrevIndex;
return(json);
}
public void Claims_Set()
{
CoinReference val = new CoinReference();
CoinReference[] refs = new CoinReference[] { val };
uut.Claims = refs;
uut.Claims.Length.Should().Be(1);
uut.Claims[0].Should().Be(val);
}
public static IEnumerable <Coin> GetCoins(Snapshot snapshot, ImmutableHashSet <UInt160> addresses)
{
var coinIndex = new Dictionary <CoinReference, Coin>();
var height = snapshot.Height;
for (uint blockIndex = 0; blockIndex < height; blockIndex++)
{
var block = snapshot.GetBlock(blockIndex);
for (var txIndex = 0; txIndex < block.Transactions.Length; txIndex++)
{
var tx = block.Transactions[txIndex];
for (var outIndex = 0; outIndex < tx.Outputs.Length; outIndex++)
{
var output = tx.Outputs[outIndex];
if (addresses.Contains(output.ScriptHash))
{
var coinRef = new CoinReference()
{
PrevHash = tx.Hash,
PrevIndex = (ushort)outIndex
};
coinIndex.Add(coinRef, new Coin()
{
Reference = coinRef,
Output = output,
State = CoinState.Confirmed
});
}
}
for (var inIndex = 0; inIndex < tx.Inputs.Length; inIndex++)
{
if (coinIndex.TryGetValue(tx.Inputs[inIndex], out var coin))
{
coin.State |= CoinState.Spent | CoinState.Confirmed;
}
}
if (tx is ClaimTransaction claimTx)
{
for (var claimIndex = 0; claimIndex < claimTx.Claims.Length; claimIndex++)
{
if (coinIndex.TryGetValue(claimTx.Claims[claimIndex], out var coin))
{
coin.State |= CoinState.Claimed;
}
}
}
}
}
return(coinIndex.Select(kvp => kvp.Value));
}
private static bool Input_GetIndex(ScriptEngine engine)
{
CoinReference input = engine.EvaluationStack.Pop().GetInterface <CoinReference>();
if (input == null)
{
return(false);
}
engine.EvaluationStack.Push((int)input.PrevIndex);
return(true);
}
private static bool Input_GetHash(ExecutionEngine engine)
{
CoinReference input = engine.EvaluationStack.Pop().GetInterface <CoinReference>();
if (input == null)
{
return(false);
}
engine.EvaluationStack.Push(input.PrevHash.ToArray());
return(true);
}
protected virtual bool Input_GetIndex(ExecutionEngine engine)
{
CoinReference input = engine.EvaluationStack.Pop().GetInterface <CoinReference>();
if (input == null)
{
return(false);
}
engine.EvaluationStack.Push((int)input.PrevIndex);
return(true);
}
protected virtual bool Input_GetHash(ExecutionEngine engine)
{
CoinReference input = (engine.EvaluationStack.Pop() as VM.Types.InteropInterface).GetInterface <CoinReference>();
if (input == null)
{
return(false);
}
engine.EvaluationStack.Push(input.PrevHash.ToArray());
return(true);
}
public async Task Persist_TransactionWithInputs_SpendOutputs()
{
var repositoryMock = AutoMockContainer.GetMock <IRepository>();
var input = new ContractTransaction
{
Hash = UInt256.Parse(RandomInt().ToString("X64")),
Inputs = new CoinReference[3]
};
var txs = new Transaction[3];
for (var i = 0; i < input.Inputs.Length; i++)
{
var reference = new CoinReference
{
PrevHash = UInt256.Parse(RandomInt().ToString("X64")),
PrevIndex = 0
};
input.Inputs[i] = reference;
txs[i] = new Transaction
{
Hash = reference.PrevHash,
Outputs = new[]
{
new TransactionOutput
{
AssetId = UInt256.Parse(RandomInt().ToString("X64")),
ScriptHash = UInt160.Parse(RandomInt().ToString("X40")),
Value = new Fixed8(RandomInt())
}
}
};
repositoryMock
.Setup(m => m.GetTransaction(reference.PrevHash))
.ReturnsAsync(txs[i]);
repositoryMock
.Setup(m => m.GetCoinStates(reference.PrevHash))
.ReturnsAsync(new[] { CoinState.Confirmed });
}
var accountManagerMock = AutoMockContainer.GetMock <IAccountManager>();
var testee = AutoMockContainer.Create <TransactionPersister>();
await testee.Persist(input);
for (var i = 0; i < input.Outputs.Length; i++)
{
var output = txs[i].Outputs[0];
accountManagerMock.Verify(m => m.UpdateBalance(output.ScriptHash, output.AssetId, -output.Value));
var hash = txs[i].Hash;
repositoryMock.Verify(m => m.AddCoinStates(It.Is <UInt256>(u => u.Equals(hash)),
It.Is <CoinState[]>(cs => cs.Length == 1 && cs[0].Equals(CoinState.Confirmed | CoinState.Spent))));
}
}
public void Size__Get_0_Claims()
{
CoinReference[] refs = new CoinReference[0];
uut.Claims = refs;
uut.Attributes = new TransactionAttribute[0];
uut.Inputs = new CoinReference[0];
uut.Outputs = new TransactionOutput[0];
uut.Scripts = new Witness[0];
uut.Size.Should().Be(7); // 1, 1, 1, 1, 1, 1 + claims 1
}
public void Equals_SameIndex()
{
UInt256 prevHashVal;
ushort prevIndexVal;
setupCoinReferenceWithVals(uut, out prevHashVal, out prevIndexVal);
CoinReference newCoinRef = new CoinReference();
setupCoinReferenceWithVals(newCoinRef, out prevHashVal, out prevIndexVal);
uut.Equals(newCoinRef).Should().BeTrue();
}
public void Equals_DiffIndex()
{
UInt256 prevHashVal;
ushort prevIndexVal;
setupCoinReferenceWithVals(uut, out prevHashVal, out prevIndexVal);
CoinReference newCoinRef = new CoinReference();
setupCoinReferenceWithVals(newCoinRef, out prevHashVal, out prevIndexVal);
newCoinRef.PrevIndex = 73;
uut.Equals(newCoinRef).Should().BeFalse();
}
public void Equals_DiffHash()
{
UInt256 prevHashVal;
ushort prevIndexVal;
setupCoinReferenceWithVals(uut, out prevHashVal, out prevIndexVal);
CoinReference newCoinRef = new CoinReference();
setupCoinReferenceWithVals(newCoinRef, out prevHashVal, out prevIndexVal);
newCoinRef.PrevHash = new UInt256(TestUtils.GetByteArray(32, 0x78));
uut.Equals(newCoinRef).Should().BeFalse();
}
private bool Input_GetHash(ExecutionEngine engine)
{
if (engine.CurrentContext.EvaluationStack.Pop() is InteropContract _interface)
{
CoinReference input = _interface.GetInterface <CoinReference>();
if (input == null)
{
return(false);
}
engine.CurrentContext.EvaluationStack.Push(input.PrevHash.ToArray());
return(true);
}
return(false);
}
private bool Input_GetIndex(ExecutionEngine engine)
{
if (engine.CurrentContext.EvaluationStack.Pop() is InteropInterface _interface)
{
CoinReference input = _interface.GetInterface <CoinReference>();
if (input == null)
{
return(false);
}
engine.CurrentContext.EvaluationStack.Push((int)input.PrevIndex);
return(true);
}
return(false);
}
// Create ClaimTransaction with 'countRefs' CoinReferences
public static ClaimTransaction GetClaimTransaction(int countRefs)
{
CoinReference[] refs = new CoinReference[countRefs];
for (var i = 0; i < countRefs; i++)
{
refs[i] = GetCoinReference(new UInt256(Crypto.Default.Hash256(new BigInteger(i).ToByteArray())));
}
return(new ClaimTransaction
{
Claims = refs,
Attributes = new TransactionAttribute[0],
Inputs = new CoinReference[0],
Outputs = new TransactionOutput[0],
Witnesses = new Witness[0]
});
}
private IssueTransaction getIssueTransaction(bool inputVal, decimal outputVal, UInt256 assetId)
{
setupTestBlockchain(assetId);
CoinReference[] inputsVal;
if (inputVal)
{
inputsVal = new[]
{
new CoinReference
{
PrevHash = UInt256.Zero,
PrevIndex = 0
}
};
}
else
{
inputsVal = new CoinReference[0];
}
return(new IssueTransaction
{
Attributes = new TransactionAttribute[0],
Inputs = inputsVal,
Outputs = new[]
{
new TransactionOutput
{
AssetId = assetId,
Value = Fixed8.FromDecimal(outputVal),
ScriptHash = Contract.CreateMultiSigRedeemScript(1, TestUtils.StandbyValidators).ToScriptHash()
}
},
Scripts = new[]
{
new Witness
{
InvocationScript = new byte[0],
VerificationScript = new[] { (byte)OpCode.PUSHT }
}
}
});
}
public static void InitTransactionContext(string scriptHash, int value, ushort inputAmount = 1)
{
Transaction initialTransaction = new CustomTransaction(TransactionType.ContractTransaction);
Transaction currentTransaction = new CustomTransaction(TransactionType.ContractTransaction);
initialTransaction.Outputs = new TransactionOutput[inputAmount];
currentTransaction.Inputs = new CoinReference[inputAmount];
for (ushort i = 0; i < inputAmount; ++i)
{
/** CREATE FAKE PREVIOUS TRANSACTION */
var transactionOutput = new TransactionOutput
{
ScriptHash = UInt160.Parse(scriptHash),
Value = new Fixed8(value),
AssetId = UInt256.Parse(NEO_ASSET_ID)
};
initialTransaction.Outputs[i] = transactionOutput;
/** CREATE FAKE CURRENT TRANSACTION */
var coinRef = new CoinReference
{
PrevHash = initialTransaction.Hash,
PrevIndex = i
};
currentTransaction.Outputs = new TransactionOutput[1];
currentTransaction.Outputs[0] = new TransactionOutput
{
ScriptHash = UInt160.Parse(scriptHash),
Value = new Fixed8(value),
AssetId = UInt256.Parse(NEO_ASSET_ID)
};
currentTransaction.Inputs[i] = coinRef;
}
/**INIT CONTEXT*/
service.transactions[initialTransaction.Hash] = initialTransaction;
scriptContainer = currentTransaction;
}
public static Transaction Claim(Wallet wallet)
{
CoinReference[] claims = wallet.GetUnclaimedCoins().Select(p => p.Reference).ToArray();
if (claims.Length == 0)
{
return(null);
}
ClaimTransaction tx = new ClaimTransaction
{
Claims = claims,
Attributes = new TransactionAttribute[0],
Inputs = new CoinReference[0],
Outputs = new[]
{
new TransactionOutput
{
AssetId = Blockchain.UtilityToken.Hash,
Value = Blockchain.CalculateBonus(claims),
ScriptHash = wallet.GetChangeAddress()
}
}
};
//交易输入是 1 GAS
var input = new CoinReference()
{
PrevHash = new UInt256("0x51ac4f7f1662d8c9379ccce3fa7cd2085b9a865edfa53ad892352a41768dd1de".Remove(0, 2).HexToBytes().Reverse().ToArray()),
PrevIndex = 0
};
//交易输出是 0.999 GAS，找回到原地址
var output = new TransactionOutput()
{
AssetId = Blockchain.UtilityToken.Hash, //Asset Id, this is NEO
ScriptHash = Wallet.ToScriptHash("AJd31a8rYPEBkY1QSxpsGy8mdU4vTYTD4U"), //Receiver
Value = new Fixed8((long)(0.999 * (long)Math.Pow(10, 8))) //Value (satoshi unit)
};
//则手续费是 0.001 GAS
tx.Inputs.ToList().Add(input);
tx.Outputs.ToList().Add(output);
return(tx);
}
private ContractTransaction getContractTransaction(bool inputVal, decimal outputVal, UInt256 assetId)
{
CoinReference[] inputsVal;
if (inputVal)
{
inputsVal = new[]
{
TestUtils.GetCoinReference(null)
};
}
else
{
inputsVal = new CoinReference[0];
}
return(new ContractTransaction
{
Attributes = new TransactionAttribute[0],
Inputs = inputsVal,
Outputs = new[]
{
new TransactionOutput
{
AssetId = assetId,
Value = Fixed8.FromDecimal(outputVal),
ScriptHash = Contract.CreateMultiSigRedeemScript(1, TestUtils.StandbyValidators).ToScriptHash()
}
},
Witnesses = new[]
{
new Witness
{
InvocationScript = new byte[0],
VerificationScript = new[] { (byte)OpCode.PUSHT }
}
}
});
}
private void ProcessNewBlock(Block block)
{
Coin[] changeset;
lock (contracts)
lock (coins)
{
foreach (Transaction tx in block.Transactions)
{
for (ushort index = 0; index < tx.Outputs.Length; index++)
{
TransactionOutput output = tx.Outputs[index];
AddressState state = CheckAddressState(output.ScriptHash);
if (state.HasFlag(AddressState.InWallet))
{
CoinReference key = new CoinReference
{
PrevHash = tx.Hash,
PrevIndex = index
};
if (coins.Contains(key))
{
coins[key].State |= CoinState.Confirmed;
}
else
{
coins.Add(new Coin
{
Reference = key,
Output = output,
State = CoinState.Confirmed
});
}
if (state.HasFlag(AddressState.WatchOnly))
{
coins[key].State |= CoinState.WatchOnly;
}
}
}
}
foreach (Transaction tx in block.Transactions)
{
foreach (CoinReference input in tx.Inputs)
{
if (coins.Contains(input))
{
if (coins[input].Output.AssetId.Equals(Blockchain.SystemShare.Hash))
{
coins[input].State |= CoinState.Spent | CoinState.Confirmed;
}
else
{
coins.Remove(input);
}
}
}
}
foreach (ClaimTransaction tx in block.Transactions.OfType <ClaimTransaction>())
{
foreach (CoinReference claim in tx.Claims)
{
if (coins.Contains(claim))
{
coins.Remove(claim);
}
}
}
current_height++;
changeset = coins.GetChangeSet();
OnProcessNewBlock(block, changeset.Where(p => ((ITrackable <CoinReference>)p).TrackState == TrackState.Added), changeset.Where(p => ((ITrackable <CoinReference>)p).TrackState == TrackState.Changed), changeset.Where(p => ((ITrackable <CoinReference>)p).TrackState == TrackState.Deleted));
coins.Commit();
}
if (changeset.Length > 0)
{
BalanceChanged?.Invoke(this, EventArgs.Empty);
}
}
private void ProcessBlock(Block block, HashSet <UInt160> accounts, WriteBatch batch)
{
foreach (Transaction tx in block.Transactions)
{
HashSet <UInt160> accounts_changed = new HashSet <UInt160>();
for (ushort index = 0; index < tx.Outputs.Length; index++)
{
TransactionOutput output = tx.Outputs[index];
if (accounts_tracked.ContainsKey(output.ScriptHash))
{
CoinReference reference = new CoinReference
{
PrevHash = tx.Hash,
PrevIndex = index
};
if (coins_tracked.TryGetValue(reference, out Coin coin))
{
coin.State |= CoinState.Confirmed;
}
else
{
accounts_tracked[output.ScriptHash].Add(reference);
coins_tracked.Add(reference, coin = new Coin
{
Reference = reference,
Output = output,
State = CoinState.Confirmed
});
}
batch.Put(SliceBuilder.Begin(DataEntryPrefix.ST_Coin).Add(reference), SliceBuilder.Begin().Add(output).Add((byte)coin.State));
accounts_changed.Add(output.ScriptHash);
}
}
foreach (CoinReference input in tx.Inputs)
{
if (coins_tracked.TryGetValue(input, out Coin coin))
{
if (coin.Output.AssetId.Equals(Blockchain.GoverningToken.Hash))
{
coin.State |= CoinState.Spent | CoinState.Confirmed;
batch.Put(SliceBuilder.Begin(DataEntryPrefix.ST_Coin).Add(input), SliceBuilder.Begin().Add(coin.Output).Add((byte)coin.State));
}
else
{
accounts_tracked[coin.Output.ScriptHash].Remove(input);
coins_tracked.Remove(input);
batch.Delete(DataEntryPrefix.ST_Coin, input);
}
accounts_changed.Add(coin.Output.ScriptHash);
}
}
switch (tx)
{
case MinerTransaction _:
case ContractTransaction _:
#pragma warning disable CS0612
case PublishTransaction _:
#pragma warning restore CS0612
break;
case ClaimTransaction tx_claim:
foreach (CoinReference claim in tx_claim.Claims)
{
if (coins_tracked.TryGetValue(claim, out Coin coin))
{
accounts_tracked[coin.Output.ScriptHash].Remove(claim);
coins_tracked.Remove(claim);
batch.Delete(DataEntryPrefix.ST_Coin, claim);
accounts_changed.Add(coin.Output.ScriptHash);
}
}
break;
#pragma warning disable CS0612
case EnrollmentTransaction tx_enrollment:
if (accounts_tracked.ContainsKey(tx_enrollment.ScriptHash))
{
accounts_changed.Add(tx_enrollment.ScriptHash);
}
break;
case RegisterTransaction tx_register:
if (accounts_tracked.ContainsKey(tx_register.OwnerScriptHash))
{
accounts_changed.Add(tx_register.OwnerScriptHash);
}
break;
#pragma warning restore CS0612
default:
foreach (UInt160 hash in tx.Witnesses.Select(p => p.ScriptHash))
{
if (accounts_tracked.ContainsKey(hash))
{
accounts_changed.Add(hash);
}
}
break;
}
if (accounts_changed.Count > 0)
{
foreach (UInt160 account in accounts_changed)
{
batch.Put(SliceBuilder.Begin(DataEntryPrefix.ST_Transaction).Add(account).Add(tx.Hash), false);
}
WalletTransaction?.Invoke(null, new WalletTransactionEventArgs
{
Transaction = tx,
RelatedAccounts = accounts_changed.ToArray(),
Height = block.Index,
Time = block.Timestamp
});
}
}
}
private static void ProcessBlock(Block block, HashSet <UInt160> accounts, WriteBatch batch)
{
foreach (Transaction tx in block.Transactions)
{
HashSet <UInt160> accounts_changed = new HashSet <UInt160>();
for (ushort index = 0; index < tx.Outputs.Length; index++)
{
TransactionOutput output = tx.Outputs[index];
if (accounts_tracked.ContainsKey(output.ScriptHash))
{
CoinReference reference = new CoinReference
{
PrevHash = tx.Hash,
PrevIndex = index
};
if (coins_tracked.TryGetValue(reference, out Coin coin))
{
coin.State |= CoinState.Confirmed;
}
else
{
accounts_tracked[output.ScriptHash].Add(reference);
coins_tracked.Add(reference, coin = new Coin
{
Reference = reference,
Output = output,
State = CoinState.Confirmed
});
}
batch.Put(SliceBuilder.Begin(DataEntryPrefix.ST_Coin).Add(reference), SliceBuilder.Begin().Add(output).Add((byte)coin.State));
accounts_changed.Add(output.ScriptHash);
}
}
foreach (CoinReference input in tx.Inputs)
{
if (coins_tracked.TryGetValue(input, out Coin coin))
{
if (coin.Output.AssetId.Equals(Blockchain.GoverningToken.Hash))
{
coin.State |= CoinState.Spent | CoinState.Confirmed;
batch.Put(SliceBuilder.Begin(DataEntryPrefix.ST_Coin).Add(input), SliceBuilder.Begin().Add(coin.Output).Add((byte)coin.State));
}
else
{
accounts_tracked[coin.Output.ScriptHash].Remove(input);
coins_tracked.Remove(input);
batch.Delete(DataEntryPrefix.ST_Coin, input);
}
accounts_changed.Add(coin.Output.ScriptHash);
}
}
if (tx is ClaimTransaction ctx)
{
foreach (CoinReference claim in ctx.Claims)
{
if (coins_tracked.TryGetValue(claim, out Coin coin))
{
accounts_tracked[coin.Output.ScriptHash].Remove(claim);
coins_tracked.Remove(claim);
batch.Delete(DataEntryPrefix.ST_Coin, claim);
accounts_changed.Add(coin.Output.ScriptHash);
}
}
}
if (accounts_changed.Count > 0)
{
foreach (UInt160 account in accounts_changed)
{
batch.Put(SliceBuilder.Begin(DataEntryPrefix.ST_Transaction).Add(account).Add(tx.Hash), false);
}
BalanceChanged?.Invoke(null, new BalanceEventArgs
{
Transaction = tx,
RelatedAccounts = accounts_changed.ToArray(),
Height = block.Index,
Time = block.Timestamp
});
}
}
}
public void TestSetup()
{
uut = new CoinReference();
}