public void AddTransactions_WithoutTransactionsInMempool_DoesNotAddEntriesToBlock()
{
var newOptions = new PowConsensusOptions()
{
MaxBlockWeight = 1500
};
this.ExecuteWithConsensusOptions(newOptions, () =>
{
var chain = GenerateChainWithHeight(5, this.network, new Key());
this.consensusLoop.Setup(c => c.Tip)
.Returns(chain.GetBlock(5));
var indexedTransactionSet = new TxMempool.IndexedTransactionSet();
this.txMempool.Setup(t => t.MapTx)
.Returns(indexedTransactionSet);
var powBlockAssembler = new PowTestBlockAssembler(this.consensusLoop.Object, this.dateTimeProvider.Object, this.LoggerFactory.Object, this.txMempool.Object,
new MempoolSchedulerLock(), this.network);
var result = powBlockAssembler.AddTransactions();
Assert.Empty(result.Block.Transactions);
Assert.Equal(0, result.Selected);
Assert.Equal(0, result.Updated);
});
}
public void AddTransactions_TransactionAlreadyInInblock_DoesNotAddTransactionToBlock()
{
var newOptions = new PowConsensusOptions()
{
MaxBlockWeight = 1500
};
this.ExecuteWithConsensusOptions(newOptions, () =>
{
var chain = GenerateChainWithHeight(5, this.network, this.key);
this.consensusLoop.Setup(c => c.Tip)
.Returns(chain.GetBlock(5));
var transaction = CreateTransaction(this.network, this.key, 5, new Money(400 * 1000 * 1000), new Key(), new uint256(124124));
var txFee = new Money(1000);
var entries = SetupTxMempool(chain, newOptions, txFee, transaction);
var powBlockAssembler = new PowTestBlockAssembler(this.consensusLoop.Object, this.dateTimeProvider.Object, this.LoggerFactory.Object, this.txMempool.Object, new MempoolSchedulerLock(), this.network);
powBlockAssembler.AddInBlockTxEntries(entries);
var result = powBlockAssembler.AddTransactions();
Assert.Empty(result.Block.Transactions);
Assert.Equal(0, result.Selected);
Assert.Equal(0, result.Updated);
});
}
public void TestBlockValidity_UsesRuleContextToValidateBlock()
{
var newOptions = new PowConsensusOptions()
{
MaxBlockWeight = 1500
};
this.ExecuteWithConsensusOptions(newOptions, () =>
{
var chain = GenerateChainWithHeight(5, this.network, new Key());
this.consensusLoop.Setup(c => c.Tip).Returns(chain.GetBlock(5));
var powBlockAssembler = new PowTestBlockAssembler(this.consensusLoop.Object, this.dateTimeProvider.Object, this.LoggerFactory.Object, this.txMempool.Object, new MempoolSchedulerLock(), this.network);
var block = powBlockAssembler.OnTestBlockValidity();
Assert.NotNull(this.callbackRuleContext);
Assert.False(this.callbackRuleContext.CheckMerkleRoot);
Assert.False(this.callbackRuleContext.CheckPow);
Assert.Equal(block.GetHash(), this.callbackRuleContext.BlockValidationContext.Block.GetHash());
Assert.Equal(chain.GetBlock(5).HashBlock, this.callbackRuleContext.ConsensusTip.HashBlock);
Assert.Equal(1500, this.callbackRuleContext.Consensus.Option <PowConsensusOptions>().MaxBlockWeight);
this.consensusLoop.Verify();
});
}
public void CreateCoinbase_CreatesCoinbaseTemplateTransaction_AddsToBlockTemplate()
{
this.ExecuteWithConsensusOptions(new PowConsensusOptions(), () =>
{
var chain = GenerateChainWithHeight(5, this.network, this.key);
this.dateTimeProvider.Setup(d => d.GetAdjustedTimeAsUnixTimestamp())
.Returns(new DateTime(2017, 1, 7, 0, 0, 1, DateTimeKind.Utc).ToUnixTimestamp());
var powBlockAssembler = new PowTestBlockAssembler(this.consensusLoop.Object, this.dateTimeProvider.Object, this.LoggerFactory.Object, this.txMempool.Object,
new MempoolSchedulerLock(), this.network);
var result = powBlockAssembler.CreateCoinBase(chain.Tip, this.key.ScriptPubKey);
Assert.NotEmpty(result.Block.Transactions);
Assert.Equal(-1, result.TxSigOpsCost[0]);
Assert.Equal(new Money(-1), result.VTxFees[0]);
var resultingTransaction = result.Block.Transactions[0];
Assert.Equal((uint)new DateTime(2017, 1, 7, 0, 0, 1, DateTimeKind.Utc).ToUnixTimestamp(), resultingTransaction.Time);
Assert.True(resultingTransaction.IsCoinBase);
Assert.False(resultingTransaction.IsCoinStake);
Assert.Equal(Money.Zero, resultingTransaction.TotalOut);
Assert.NotEmpty(resultingTransaction.Inputs);
Assert.Equal(TxIn.CreateCoinbase(6).ScriptSig, resultingTransaction.Inputs[0].ScriptSig);
Assert.NotEmpty(resultingTransaction.Outputs);
Assert.Equal(this.key.ScriptPubKey, resultingTransaction.Outputs[0].ScriptPubKey);
Assert.Equal(Money.Zero, resultingTransaction.Outputs[0].Value);
});
}
public void ComputeBlockVersion_UsingChainTipAndConsensus_NoBip9DeploymentActive_UpdatesHeightAndVersion()
{
this.ExecuteWithConsensusOptions(new PowConsensusOptions(), () =>
{
var chain = GenerateChainWithHeight(5, this.network, new Key());
var powBlockAssembler = new PowTestBlockAssembler(this.consensusLoop.Object, this.dateTimeProvider.Object, this.LoggerFactory.Object, this.txMempool.Object, new MempoolSchedulerLock(), this.network);
var result = powBlockAssembler.ComputeBlockVersion(chain.GetBlock(4));
Assert.Equal(5, result.Height);
uint version = ThresholdConditionCache.VersionbitsTopBits;
Assert.Equal((int)version, result.Version);
});
}
public void UpdateHeaders_UsingChainAndNetwork_PreparesBlockHeaders()
{
this.ExecuteWithConsensusOptions(new PowConsensusOptions(), () =>
{
this.dateTimeProvider.Setup(d => d.GetTimeOffset()).Returns(new DateTimeOffset(new DateTime(2017, 1, 7, 0, 0, 0, DateTimeKind.Utc)));
var chain = GenerateChainWithHeight(5, this.network, new Key(), new Target(235325239));
var powBlockAssembler = new PowTestBlockAssembler(this.consensusLoop.Object, this.dateTimeProvider.Object, this.LoggerFactory.Object, this.txMempool.Object, new MempoolSchedulerLock(), this.network);
var block = powBlockAssembler.OnUpdateHeaders(chain.Tip);
Assert.Equal(chain.Tip.HashBlock, block.Header.HashPrevBlock);
Assert.Equal((uint)1483747200, block.Header.Time);
Assert.Equal(1.9610088966776103E+35, block.Header.Bits.Difficulty);
Assert.Equal((uint)0, block.Header.Nonce);
});
}
public void ComputeBlockVersion_UsingChainTipAndConsensus_Bip9DeploymentActive_UpdatesHeightAndVersion()
{
var options = this.network.Consensus.Options;
var minerConfirmationWindow = this.network.Consensus.MinerConfirmationWindow;
var ruleChangeActivationThreshold = this.network.Consensus.RuleChangeActivationThreshold;
try
{
var newOptions = new PowConsensusOptions();
this.network.Consensus.Options = newOptions;
this.network.Consensus.BIP9Deployments[0] = new BIP9DeploymentsParameters(19,
new DateTimeOffset(new DateTime(2016, 1, 1, 0, 0, 0, DateTimeKind.Utc)),
new DateTimeOffset(new DateTime(2018, 1, 1, 0, 0, 0, DateTimeKind.Utc)));
this.network.Consensus.MinerConfirmationWindow = 2;
this.network.Consensus.RuleChangeActivationThreshold = 2;
var chain = GenerateChainWithHeightAndActivatedBip9(5, this.network, new Key(), this.network.Consensus.BIP9Deployments[0]);
var powBlockAssembler = new PowTestBlockAssembler(this.consensusLoop.Object, this.dateTimeProvider.Object, this.LoggerFactory.Object, this.txMempool.Object,
new MempoolSchedulerLock(), this.network);
var result = powBlockAssembler.ComputeBlockVersion(chain.GetBlock(4));
Assert.Equal(5, result.Height);
uint version = ThresholdConditionCache.VersionbitsTopBits;
int expectedVersion = (int)(version |= (((uint)1) << 19));
Assert.Equal(expectedVersion, result.Version);
Assert.NotEqual((int)ThresholdConditionCache.VersionbitsTopBits, result.Version);
}
finally
{
// This is a static in the global context so be careful updating it. I'm resetting it after being done testing so I don't influence other tests.
this.network.Consensus.Options = options;
this.network.Consensus.BIP9Deployments[0] = null;
this.network.Consensus.MinerConfirmationWindow = minerConfirmationWindow;
this.network.Consensus.RuleChangeActivationThreshold = ruleChangeActivationThreshold;
}
}
