public async Task <ProtocolTransactionResponse> CreateTransaction(List <SignedItem> items, ChaosProtocolSettings settings)
{
var id = TxIdHelper.GenerateId();
var revealItem = new RevealItem()
{
Type = UserType.Validator,
Seed = random.NextLong().ToString(),
Nonce = DateTime.UtcNow.Ticks.ToString(),
PubKey = keySecret.PublicAddress.ToLowerInvariant()
};
revealItem.Sign = cryptoService.SignMessage(revealItem.ToString(), keySecret.PrivateKey);
await storage.Add(revealItem.Sign, revealItem);
var commitItem = revealItem.ToCommitItem();
items.Add(new SignedItem()
{
Type = commitItem.Type,
Nonce = commitItem.Nonce,
PubKey = commitItem.PubKey,
Sign = commitItem.Sign,
});
var tx = new ProtocolTransactionResponse()
{
Id = id,
Signer = keySecret.PublicAddress.ToLowerInvariant(),
Items = items
};
await AddAnchors(tx);
await storage.Add(id, tx);
return(tx);
}
public async Task <ProtocolTransactionResponse> RevealTransaction(string transactionId, List <RevealItem> items)
{
var tx = await storage.Get <ProtocolTransactionResponse>(transactionId);
var commitItem = tx.Items.First(x => x.PubKey == tx.Signer);
items.Add(await storage.Get <RevealItem>(commitItem.Sign));
foreach (var revealItem in items)
{
if (!cryptoService.VerifySignature(revealItem.ToString(), revealItem.Sign, revealItem.PubKey))
{
throw new ArgumentException($"Invalid signature for {revealItem.PubKey}");
}
;
}
var finishTx = new ProtocolTransactionResponse()
{
Id = TxIdHelper.GenerateId(),
DependsOn = transactionId,
Signer = keySecret.PublicAddress.ToLowerInvariant(),
Items = items.Select(x => new SignedItem()
{
Type = x.Type,
PubKey = x.PubKey,
Seed = x.Seed,
Sign = x.Sign,
Nonce = x.Nonce,
}).ToList()
};
await AddAnchors(finishTx);
await storage.Add(finishTx.Id, finishTx);
return(finishTx);
}
