public static Blockchain RandomBlockchain(RandomDataOptions options = default(RandomDataOptions))
{
//TODO blockCount algorithm isn't exact
var blockCount = random.Next((options != null ? options.BlockCount : null) ?? 100) + ((options != null ? options.MinimumBlockCount : null) ?? 1);
var blockList = new List <Block>(blockCount);
var chainedBlockList = new List <ChainedBlock>(blockCount);
var previousBlockHash = UInt256.Zero;
var totalWork = new BigInteger(0);
for (var i = 0; i < blockCount; i++)
{
var block = RandomData.RandomBlock(options);
block = block.With(Header: block.Header.With(PreviousBlock: previousBlockHash));
blockList.Add(block);
previousBlockHash = block.Hash;
totalWork += block.Header.CalculateWork();
chainedBlockList.Add(new ChainedBlock(block.Hash, block.Header.PreviousBlock, i, totalWork));
}
var blockListHashes = blockList.Select(x => x.Hash).ToImmutableHashSet();
var utxo = blockList.SelectMany(block =>
block.Transactions.Select((tx, txIndex) =>
new UnspentTx(block.Hash, (UInt32)txIndex, tx.Hash, random.NextImmutableBitArray((options != null ? options.TxOutputCount : null) ?? 100))))
.ToImmutableDictionary(unspentTx => unspentTx.TxHash, unspentTx => unspentTx);
return(new Blockchain
(
chainedBlockList.ToImmutableList(),
blockListHashes,
utxo
));
}
public static Blockchain RandomBlockchain(RandomDataOptions options = default(RandomDataOptions))
{
//TODO blockCount algorithm isn't exact
var blockCount = random.Next((options != null ? options.BlockCount : null) ?? 100) + ((options != null ? options.MinimumBlockCount : null) ?? 1);
var blockList = new List<Block>(blockCount);
var chainedBlockList = new List<ChainedBlock>(blockCount);
var previousBlockHash = UInt256.Zero;
var totalWork = new BigInteger(0);
for (var i = 0; i < blockCount; i++)
{
var block = RandomData.RandomBlock(options);
block = block.With(Header: block.Header.With(PreviousBlock: previousBlockHash));
blockList.Add(block);
previousBlockHash = block.Hash;
totalWork += block.Header.CalculateWork();
chainedBlockList.Add(new ChainedBlock(block.Hash, block.Header.PreviousBlock, i, totalWork));
}
var blockListHashes = blockList.Select(x => x.Hash).ToImmutableHashSet();
var utxo = blockList.SelectMany(block =>
block.Transactions.Select((tx, txIndex) =>
new UnspentTx(block.Hash, (UInt32)txIndex, tx.Hash, random.NextImmutableBitArray((options != null ? options.TxOutputCount : null) ?? 100))))
.ToImmutableDictionary(unspentTx => unspentTx.TxHash, unspentTx => unspentTx);
return new Blockchain
(
chainedBlockList.ToImmutableList(),
blockListHashes,
utxo
);
}
public static Block RandomBlock(RandomDataOptions options = default(RandomDataOptions))
{
return new Block
(
header: RandomBlockHeader(),
transactions: Enumerable.Range(0, random.Next((options != null ? options.TransactionCount : null) ?? 100)).Select(x => RandomTransaction()).ToImmutableArray()
);
}
public static TxOutput RandomTxOutput(RandomDataOptions options = default(RandomDataOptions))
{
return(new TxOutput
(
value: random.NextUInt64(),
scriptPublicKey: random.NextBytes(random.Next((options != null ? options.ScriptPublicKeySize : null) ?? 100)).ToImmutableArray()
));
}
public static Block RandomBlock(RandomDataOptions options = default(RandomDataOptions))
{
return(new Block
(
header: RandomBlockHeader(),
transactions: Enumerable.Range(0, random.Next((options != null ? options.TransactionCount : null) ?? 100)).Select(x => RandomTransaction()).ToImmutableArray()
));
}
public static Transaction RandomTransaction(RandomDataOptions options = default(RandomDataOptions))
{
return(new Transaction
(
version: random.NextUInt32(),
inputs: Enumerable.Range(0, random.Next((options != null ? options.TxInputCount : null) ?? 100)).Select(x => RandomTxInput()).ToImmutableArray(),
outputs: Enumerable.Range(0, random.Next((options != null ? options.TxOutputCount : null) ?? 100)).Select(x => RandomTxOutput()).ToImmutableArray(),
lockTime: random.NextUInt32()
));
}
public static UnspentTx RandomUnspentTx(RandomDataOptions options = default(RandomDataOptions))
{
return(new UnspentTx
(
txHash: random.NextUInt256(),
blockHash: random.NextUInt256(),
txIndex: random.NextUInt32(),
unspentOutputs: random.NextImmutableBitArray(random.Next((options != null ? options.TxOutputCount : null) ?? 100))
));
}
public static BlockHeader RandomBlockHeader(RandomDataOptions options = default(RandomDataOptions))
{
return(new BlockHeader
(
version: random.NextUInt32(),
previousBlock: random.NextUInt256(),
merkleRoot: random.NextUInt256(),
time: random.NextUInt32(),
bits: random.NextUInt32(),
nonce: random.NextUInt32()
));
}
public static TxInput RandomTxInput(RandomDataOptions options = default(RandomDataOptions))
{
return(new TxInput
(
previousTxOutputKey: new TxOutputKey
(
txHash: random.NextUInt32(),
txOutputIndex: random.NextUInt32()
),
scriptSignature: random.NextBytes(random.Next((options != null ? options.ScriptSignatureSize : null) ?? 100)).ToImmutableArray(),
sequence: random.NextUInt32()
));
}
public static BlockHeader RandomBlockHeader(RandomDataOptions options = default(RandomDataOptions))
{
return new BlockHeader
(
version: random.NextUInt32(),
previousBlock: random.NextUInt256(),
merkleRoot: random.NextUInt256(),
time: random.NextUInt32(),
bits: random.NextUInt32(),
nonce: random.NextUInt32()
);
}
public static UnspentTx RandomUnspentTx(RandomDataOptions options = default(RandomDataOptions))
{
return new UnspentTx
(
txHash: random.NextUInt256(),
blockHash: random.NextUInt256(),
txIndex: random.NextUInt32(),
unspentOutputs: random.NextImmutableBitArray(random.Next((options != null ? options.TxOutputCount : null) ?? 100))
);
}
public static TxOutput RandomTxOutput(RandomDataOptions options = default(RandomDataOptions))
{
return new TxOutput
(
value: random.NextUInt64(),
scriptPublicKey: random.NextBytes(random.Next((options != null ? options.ScriptPublicKeySize : null) ?? 100)).ToImmutableArray()
);
}
public static TxInput RandomTxInput(RandomDataOptions options = default(RandomDataOptions))
{
return new TxInput
(
previousTxOutputKey: new TxOutputKey
(
txHash: random.NextUInt32(),
txOutputIndex: random.NextUInt32()
),
scriptSignature: random.NextBytes(random.Next((options != null ? options.ScriptSignatureSize : null) ?? 100)).ToImmutableArray(),
sequence: random.NextUInt32()
);
}
public static Transaction RandomTransaction(RandomDataOptions options = default(RandomDataOptions))
{
return new Transaction
(
version: random.NextUInt32(),
inputs: Enumerable.Range(0, random.Next((options != null ? options.TxInputCount : null) ?? 100)).Select(x => RandomTxInput()).ToImmutableArray(),
outputs: Enumerable.Range(0, random.Next((options != null ? options.TxOutputCount : null) ?? 100)).Select(x => RandomTxOutput()).ToImmutableArray(),
lockTime: random.NextUInt32()
);
}
