public async Task EthHash_VerifyAsync_Should_Throw_On_Null_Argument()
{
using (var ethash = new EthashLight(3))
{
await Assert.ThrowsAsync <ArgumentNullException>(async() => await ethash.VerifyBlockAsync(null));
}
}
public async Task Ethhash_Verify_Invalid_Blocks()
{
var hasher = new Sha3_256();
var invalidBlocks = new[] {
// totally nonsense block
new Block
{
Height = 61440000,
HashNoNonce = hasher.Digest(Encoding.UTF8.GetBytes("foo")),
Difficulty = new BigInteger(0),
Nonce = 0xcafebabec00000fe,
MixDigest = hasher.Digest(Encoding.UTF8.GetBytes("bar")),
},
new Block
{
// from proof of concept nine testnet, epoch 0 - altered Nonce
Height = 22,
HashNoNonce = "372eca2454ead349c3df0ab5d00b0b706b23e49d469387db91811cee0358fc6d".HexToByteArray(),
Difficulty = new BigInteger(132416),
Nonce = 0x495732e0ed7a801d,
MixDigest = "2f74cdeb198af0b9abe65d22d372e22fb2d474371774a9583c1cc427a07939f5".HexToByteArray(),
},
new Block
{
// from proof of concept nine testnet, epoch 0 - altered HashNoNonce
Height = 22,
HashNoNonce = "472eca2454ead349c3df0ab5d00b0b706b23e49d469387db91811cee0358fc6d".HexToByteArray(),
Difficulty = new BigInteger(132416),
Nonce = 0x495732e0ed7a801c,
MixDigest = "2f74cdeb198af0b9abe65d22d372e22fb2d474371774a9583c1cc427a07939f5".HexToByteArray(),
},
new Block
{
// from proof of concept nine testnet, epoch 0 - altered MixDigest
Height = 22,
HashNoNonce = "372eca2454ead349c3df0ab5d00b0b706b23e49d469387db91811cee0358fc6d".HexToByteArray(),
Difficulty = new BigInteger(132416),
Nonce = 0x495732e0ed7a801c,
MixDigest = "3f74cdeb198af0b9abe65d22d372e22fb2d474371774a9583c1cc427a07939f5".HexToByteArray(),
},
};
using (var ethash = new EthashLight(3))
{
Assert.False(await ethash.VerifyBlockAsync(invalidBlocks[0]));
Assert.False(await ethash.VerifyBlockAsync(invalidBlocks[1]));
Assert.False(await ethash.VerifyBlockAsync(invalidBlocks[2]));
Assert.False(await ethash.VerifyBlockAsync(invalidBlocks[3]));
}
}
public async Task Ethhash_Verify_Valid_Blocks()
{
var validBlocks = new[] {
new Block
{
// from proof of concept nine testnet, epoch 0
Height = 22,
HashNoNonce = "372eca2454ead349c3df0ab5d00b0b706b23e49d469387db91811cee0358fc6d".HexToByteArray(),
Difficulty = new BigInteger(132416),
Nonce = 0x495732e0ed7a801c,
MixDigest = "2f74cdeb198af0b9abe65d22d372e22fb2d474371774a9583c1cc427a07939f5".HexToByteArray(),
},
// from proof of concept nine testnet, epoch 1
new Block
{
Height = 30001,
HashNoNonce = "7e44356ee3441623bc72a683fd3708fdf75e971bbe294f33e539eedad4b92b34".HexToByteArray(),
Difficulty = new BigInteger(1532671),
Nonce = 0x318df1c8adef7e5e,
MixDigest = "144b180aad09ae3c81fb07be92c8e6351b5646dda80e6844ae1b697e55ddde84".HexToByteArray(),
},
// from proof of concept nine testnet, epoch 2
new Block
{
Height = 60000,
HashNoNonce = "5fc898f16035bf5ac9c6d9077ae1e3d5fc1ecc3c9fd5bee8bb00e810fdacbaa0".HexToByteArray(),
Difficulty = new BigInteger(2467358),
Nonce = 0x50377003e5d830ca,
MixDigest = "ab546a5b73c452ae86dadd36f0ed83a6745226717d3798832d1b20b489e82063".HexToByteArray(),
},
};
using (var ethash = new EthashLight(3))
{
Assert.True(await ethash.VerifyBlockAsync(validBlocks[0]));
Assert.True(await ethash.VerifyBlockAsync(validBlocks[1]));
Assert.True(await ethash.VerifyBlockAsync(validBlocks[2]));
}
}
