public void Run_IsNotCanonicalBlockSignature_ThrowsBadBlockSignatureConsensusErrorException()
{
Block block = KnownNetworks.StratisMain.Consensus.ConsensusFactory.CreateBlock();
block.Transactions.Add(KnownNetworks.StratisMain.CreateTransaction());
Transaction transaction = KnownNetworks.StratisMain.CreateTransaction();
transaction.Inputs.Add(new TxIn()
{
PrevOut = new OutPoint(new uint256(15), 1),
ScriptSig = new Script()
});
transaction.Outputs.Add(new TxOut(Money.Zero, (IDestination)null));
var scriptPubKeyOut = new Script(Op.GetPushOp(this.key.PubKey.ToBytes(true)), OpcodeType.OP_CHECKSIG);
transaction.Outputs.Add(new TxOut(Money.Zero, scriptPubKeyOut));
block.Transactions.Add(transaction);
ECDSASignature signature = this.key.Sign(block.GetHash());
signature = signature.MakeNonCanonical();
// Ensure the non-canonical signature is still a valid signature for the block, just in the wrong format.
Assert.True(this.key.PubKey.Verify(block.GetHash(), signature));
Assert.False(signature.IsLowS);
(block as PosBlock).BlockSignature = new BlockSignature {
Signature = signature.ToDER()
};
this.ruleContext.ValidationContext.BlockToValidate = block;
Assert.True(BlockStake.IsProofOfStake(this.ruleContext.ValidationContext.BlockToValidate));
ConsensusErrorException exception = Assert.Throws <ConsensusErrorException>(() => this.consensusRules.RegisterRule <PosBlockSignatureRepresentationRule>().Run(this.ruleContext));
Assert.Equal(ConsensusErrors.BadBlockSignature, exception.ConsensusError);
}
