public void Evaluate()
{
Address address = _contents.Tx0InBlock1.Signer;
var blockAction = new SetStatesAtBlock(address, (Bencodex.Types.Integer) 123, 0);
var policy = new BlockPolicy <Arithmetic>(
blockAction: blockAction,
blockInterval: TimeSpan.FromMilliseconds(3 * 60 * 60 * 1000),
minimumDifficulty: 2,
difficultyStability: 1
);
var stagePolicy = new VolatileStagePolicy <Arithmetic>();
PreEvaluationBlock <Arithmetic> preEvalGenesis =
_contents.Genesis.Mine(policy.GetHashAlgorithm(0));
using (var fx = new DefaultStoreFixture())
{
Block <Arithmetic> genesis =
preEvalGenesis.Evaluate(_contents.GenesisKey, blockAction, fx.StateStore);
AssertPreEvaluationBlocksEqual(preEvalGenesis, genesis);
_output.WriteLine("#1: {0}", genesis);
var blockChain = new BlockChain <Arithmetic>(
policy,
stagePolicy,
fx.Store,
fx.StateStore,
genesis
);
AssertBencodexEqual((Bencodex.Types.Integer) 123, blockChain.GetState(address));
HashDigest <SHA256> identicalGenesisStateRootHash =
preEvalGenesis.DetermineStateRootHash(blockChain);
AssertBytesEqual(genesis.StateRootHash, identicalGenesisStateRootHash);
BlockContent <Arithmetic> content1 = _contents.Block1;
content1.PreviousHash = genesis.Hash;
content1.Difficulty = 2;
content1.Transactions = new[] { _contents.Tx0InBlock1 };
PreEvaluationBlock <Arithmetic> preEval1 = content1.Mine(policy.GetHashAlgorithm(1));
Block <Arithmetic> block1 = preEval1.Evaluate(_contents.Block1Key, blockChain);
AssertPreEvaluationBlocksEqual(preEval1, block1);
_output.WriteLine("#1: {0}", block1);
HashDigest <SHA256> identicalBlock1StateRootHash =
preEval1.DetermineStateRootHash(blockChain);
AssertBytesEqual(block1.StateRootHash, identicalBlock1StateRootHash);
blockChain.Append(block1);
AssertBencodexEqual((Bencodex.Types.Integer) 158, blockChain.GetState(address));
}
}
public void GetHashAlgorithm()
{
Assert.Equal(HashAlgorithmType.Of <SHA256>(), _policy.GetHashAlgorithm(0));
Assert.Equal(HashAlgorithmType.Of <SHA256>(), _policy.GetHashAlgorithm(1));
Assert.Equal(HashAlgorithmType.Of <SHA256>(), _policy.GetHashAlgorithm(2));
Assert.Equal(HashAlgorithmType.Of <SHA256>(), _policy.GetHashAlgorithm(10));
Assert.Equal(HashAlgorithmType.Of <SHA256>(), _policy.GetHashAlgorithm(15));
var p = new BlockPolicy <DumbAction>(hashAlgorithmGetter: i =>
i % 2 == 0 ? HashAlgorithmType.Of <MD5>() : HashAlgorithmType.Of <SHA1>()
);
Assert.Equal(HashAlgorithmType.Of <MD5>(), p.GetHashAlgorithm(0));
Assert.Equal(HashAlgorithmType.Of <SHA1>(), p.GetHashAlgorithm(1));
Assert.Equal(HashAlgorithmType.Of <MD5>(), p.GetHashAlgorithm(2));
Assert.Equal(HashAlgorithmType.Of <MD5>(), p.GetHashAlgorithm(10));
Assert.Equal(HashAlgorithmType.Of <SHA1>(), p.GetHashAlgorithm(15));
}
private void ValidateNextBlockInvalidStateRootHash()
{
IKeyValueStore stateKeyValueStore = new MemoryKeyValueStore();
var policy = new BlockPolicy <DumbAction>(
blockInterval: TimeSpan.FromMilliseconds(3 * 60 * 60 * 1000)
);
var stateStore = new TrieStateStore(stateKeyValueStore);
IStore store = new MemoryStore();
var genesisBlock = TestUtils.MineGenesis <DumbAction>(
policy.GetHashAlgorithm,
TestUtils.GenesisMiner.PublicKey
).Evaluate(TestUtils.GenesisMiner, policy.BlockAction, stateStore);
store.PutBlock(genesisBlock);
Assert.NotNull(store.GetStateRootHash(genesisBlock.Hash));
var chain1 = new BlockChain <DumbAction>(
policy,
new VolatileStagePolicy <DumbAction>(),
store,
stateStore,
genesisBlock
);
Block <DumbAction> block1 = new BlockContent <DumbAction>
{
Index = 1,
Difficulty = 1024L,
TotalDifficulty = genesisBlock.TotalDifficulty + 1024,
PublicKey = TestUtils.GenesisMiner.PublicKey,
PreviousHash = genesisBlock.Hash,
Timestamp = genesisBlock.Timestamp.AddSeconds(1),
Transactions = _emptyTransaction,
}.Mine(policy.GetHashAlgorithm(1)).Evaluate(TestUtils.GenesisMiner, chain1);
var policyWithBlockAction = new BlockPolicy <DumbAction>(
new SetStatesAtBlock(default, (Text)"foo", 1),