public CoinSpend(string from, WalletAddr addr, Coin coin, Key key)
{
From = from;
Addr = addr;
Coin = coin;
Key = key;
}
void AddFeeInput(WalletAddr address, ChainTx ctx, uint nIn, string sender, BigInteger fee, bool updateInputsAndOutputs)
{
// add fee input
var i = db.TxInputGet(ctx.TxId, nIn);
if (i == null)
{
i = new TxInput(ctx.TxId, sender, nIn, fee);
i.ChainTx = ctx;
if (sender == address.Address)
{
i.WalletAddr = address;
}
db.TxInputs.Add(i);
}
else if (i.WalletAddr == null && i.Addr == address.Address)
{
logger.LogInformation($"Updating input (fee) with no address: {ctx.TxId}, {i.N}, {address.Address}");
i.WalletAddr = address;
db.TxInputs.Update(i);
}
else if (updateInputsAndOutputs && i.Amount != fee)
{
logger.LogInformation($"Updating input (fee) amount: {ctx.TxId}, {i.N}, {address.Address} (from {i.Amount} to {fee}");
i.Amount = fee;
db.TxInputs.Update(i);
}
}
private void UpdateTxConfirmations(WalletAddr addr)
{
var baddr = BitcoinAddress.Create(addr.Address, GetNetwork());
var trackedSource = TrackedSource.Create(baddr);
var txs = GetClient().GetTransactions(trackedSource);
UpdateTxConfirmations(txs);
}
public override WalletAddr NewAddress(string tag)
{
// create new address that is unused
var _tag = db.TagGet(tag);
Util.WalletAssert(_tag != null, $"Tag '{tag}' does not exist");
var keypathInfo = GetClient().GetUnused(pubkey, DerivationFeature.Deposit, reserve: true);
var addr = keypathInfo.ScriptPubKey.GetDestinationAddress(GetClient().Network.NBitcoinNetwork);
var address = new WalletAddr(_tag, keypathInfo.KeyPath.ToString(), 0, addr.ToString());
// add to address list
db.WalletAddrs.Add(address);
return(address);
}
public override WalletAddr NewAddress(string tag)
{
var nonce = db.LastPathIndex;
db.LastPathIndex++;
// create new address that is unused
var _tag = db.TagGet(tag);
Util.WalletAssert(_tag != null, $"Tag '{tag}' does not exist");
var acct = CreateAccount(nonce);
var address = new WalletAddr(_tag, nonce.ToString(), nonce, acct.Address);
// add to address list
db.WalletAddrs.Add(address);
return(address);
}
public BitcoinAddress AddChangeAddress(WalletTag tag)
{
// get new unused address
var keypathInfo = GetClient().GetUnused(pubkey, DerivationFeature.Change, reserve: false);
var addr = keypathInfo.ScriptPubKey.GetDestinationAddress(GetNetwork());
// check that address is not already present in the db (we used 'reserve: false')
var address = db.AddrGet(addr.ToString());
if (address != null)
{
return(addr);
}
// add to address list
address = new WalletAddr(tag, keypathInfo.KeyPath.ToString(), 0, addr.ToString());
db.WalletAddrs.Add(address);
return(addr);
}
public override WalletAddr NewAddress(string tag)
{
var pathIndex = db.LastPathIndex + 1;
// create new address that is unused
var _tag = db.TagGet(tag);
Util.WalletAssert(_tag != null, $"Tag '{tag}' does not exist");
var acct = wallet.GetAccount(pathIndex);
var address = new WalletAddr(_tag, PATH.Replace("x", pathIndex.ToString()), pathIndex, acct.Address);
// regsiter address with gethtxscan
scanClient.DownloadString(gethTxScanAddress + "/watch_account/" + acct.Address);
// add to address list
db.WalletAddrs.Add(address);
// update last path index and return address
db.LastPathIndex = pathIndex;
return(address);
}
void AddOutputInputAndWalletTx(WalletAddr address, ChainTx ctx, uint nOut, string sender, string recipient, BigInteger amount)
{
// add output
var o = db.TxOutputGet(ctx.TxId, nOut);
if (o == null)
{
o = new TxOutput(ctx.TxId, recipient, nOut, amount);
o.ChainTx = ctx;
if (recipient == address.Address)
{
o.WalletAddr = address;
}
db.TxOutputs.Add(o);
}
else if (o.WalletAddr == null && o.Addr == address.Address)
{
logger.LogInformation($"Updating output with no address: {ctx.TxId}, {o.N}, {address.Address}");
o.WalletAddr = address;
db.TxOutputs.Update(o);
}
// add input (so we can see who its from)
var i = db.TxInputGet(ctx.TxId, nOut);
if (i == null)
{
i = new TxInput(ctx.TxId, sender, nOut, amount);
i.ChainTx = ctx;
db.TxInputs.Add(i);
}
// add / update wallet tx
var dir = recipient == address.Address ? WalletDirection.Incomming : WalletDirection.Outgoing;
var wtx = db.TxGet(address, ctx, dir);
if (wtx == null)
{
wtx = new WalletTx {
ChainTx = ctx, Address = address, Direction = dir, State = WalletTxState.None
};
db.WalletTxs.Add(wtx);
}
}
public WalletTx TxGet(WalletAddr addr, ChainTx tx, WalletDirection dir)
{
return(WalletTxs.SingleOrDefault(t => t.WalletAddrId == addr.Id && t.ChainTxId == tx.Id && t.Direction == dir));
}
public CoinCandidate(WalletAddr addr, Coin coin, UTXO utxo)
{
Addr = addr;
Coin = coin;
Utxo = utxo;
}
public BigInteger GetAddrBalance(WalletAddr addr, int minConfs = 0)
{
return(addr.Balance(minConfs));
}
void UpdateTxs(WalletAddr address)
{
//TODO - add attachment
// - read the 'data' field (https://ethereum.stackexchange.com/questions/2466/how-do-i-send-an-arbitary-message-to-an-ethereum-address)
var blockNumTask = web3.Eth.Blocks.GetBlockNumber.SendRequestAsync();
blockNumTask.Wait();
var blockNum = (long)blockNumTask.Result.Value;
var json = scanClient.DownloadString(gethTxScanAddress + "/list_transactions/" + address.Address);
var scantxs = JsonConvert.DeserializeObject <List <scantx> >(json);
foreach (var scantx in scantxs)
{
long confirmations = 0;
if (scantx.block_num > 0)
{
confirmations = blockNum - scantx.block_num;
}
// add/update chain tx
var ctx = db.ChainTxGet(scantx.txid);
if (ctx == null)
{
ctx = new ChainTx(scantx.txid, scantx.date, -1, scantx.block_num, confirmations);
db.ChainTxs.Add(ctx);
}
else
{
ctx.Height = scantx.block_num;
ctx.Confirmations = confirmations;
db.ChainTxs.Update(ctx);
}
var status = confirmations > 0 ? ChainTxStatus.Confirmed : ChainTxStatus.Unconfirmed;
if (ctx.NetworkStatus == null)
{
//TODO: we need txdata from scantx, to be able to rebroadcast if necessary
//var networkStatus = new ChainTxNetworkStatus(ctx, status, 0, scantx.txdata/*TODO*/);
//db.ChainTxNetworkStatus.Add(networkStatus);
}
else
{
// transaction update comes from our trusted node so we will override any status we have set manually
ctx.NetworkStatus.Status = status;
db.ChainTxNetworkStatus.Update(ctx.NetworkStatus);
}
// add output
var o = db.TxOutputGet(scantx.txid, 0);
if (o == null)
{
o = new TxOutput(scantx.txid, scantx.to, 0, BigInteger.Parse(scantx.value));
o.ChainTx = ctx;
if (scantx.to == address.Address)
{
o.WalletAddr = address;
}
db.TxOutputs.Add(o);
}
else if (o.WalletAddr == null && o.Addr == address.Address)
{
logger.LogInformation($"Updating output with no address: {scantx.txid}, {o.N}, {address.Address}");
o.WalletAddr = address;
db.TxOutputs.Update(o);
}
// add input (so we can see who its from)
var i = db.TxInputGet(scantx.txid, 0);
if (i == null)
{
i = new TxInput(scantx.txid, scantx.from_, 0, BigInteger.Parse(scantx.value) /*+ fee*/); //TODO: add fee
i.ChainTx = ctx;
db.TxInputs.Add(i);
}
// add / update wallet tx
var dir = scantx.to == address.Address ? WalletDirection.Incomming : WalletDirection.Outgoing;
var wtx = db.TxGet(address, ctx, dir);
if (wtx == null)
{
wtx = new WalletTx {
ChainTx = ctx, Address = address, Direction = dir, State = WalletTxState.None
};
db.WalletTxs.Add(wtx);
}
}
}
void UpdateTxs(WalletAddr address, long blockHeight, bool updateInputsAndOutputs)
{
var sufficientTxsQueried = false;
var processedTxs = new Dictionary <string, Transaction>();
var limit = 100;
string after = null;
while (!sufficientTxsQueried)
{
var nodeTxs = node.GetTransactions(address.Address, limit, after);
logger.LogDebug($"UpdateTxs ({address.Address}) count: {nodeTxs.Count()}, limit: {limit}, after: {after}, processedCount: {processedTxs.Count()}");
// if less txs are returned then we requested we have all txs for this account
if (nodeTxs.Count() < limit)
{
sufficientTxsQueried = true;
}
foreach (var nodeTx in nodeTxs)
{
after = nodeTx.GenerateId();
// get common waves tx params
var id = nodeTx.GenerateId();
var date = ((DateTimeOffset)nodeTx.Timestamp).ToUnixTimeSeconds();
var confs = nodeTx.Height > 0 ? (blockHeight - nodeTx.Height) + 1 : 0;
// skip any txs we have already processed
if (processedTxs.ContainsKey(id))
{
continue;
}
if (nodeTx is TransferTransaction)
{
var trans = (TransferTransaction)nodeTx;
if (trans.Asset.Id == assetId)
{
var amount = trans.Asset.AmountToLong(trans.Amount);
var fee = trans.FeeAsset.AmountToLong(trans.Fee);
var attachment = trans.Attachment;
// add/update chain tx
var ctx = AddUpdateChainTx(trans, id, date, confs, nodeTx.Height, fee, attachment, ref sufficientTxsQueried);
// add output, input and wallet tx
AddOutputInputAndWalletTx(address, ctx, 0, trans.Sender, trans.Recipient, amount, updateInputsAndOutputs);
// add fee input
AddFeeInput(address, ctx, 1, trans.Sender, fee, updateInputsAndOutputs);
// record the transactions we have processed already
processedTxs[id] = trans;
}
}
else if (nodeTx is MassTransferTransaction)
{
var massTx = (MassTransferTransaction)nodeTx;
if (massTx.Asset.Id == assetId)
{
var attachment = massTx.Attachment;
var fee = Assets.WAVES.AmountToLong(massTx.Fee);
// add/update chain tx
var ctx = AddUpdateChainTx(massTx, id, date, confs, nodeTx.Height, fee, attachment, ref sufficientTxsQueried);
// process transfers
uint n = 0;
foreach (var trans in massTx.Transfers)
{
var amount = massTx.Asset.AmountToLong(trans.Amount);
// add output, input and wallet tx
AddOutputInputAndWalletTx(address, ctx, n, massTx.Sender, trans.Recipient, amount, updateInputsAndOutputs);
n++;
}
// add fee input
AddFeeInput(address, ctx, n, massTx.Sender, fee, updateInputsAndOutputs);
// record the transactions we have processed already
processedTxs[id] = massTx;
}
}
}
}
}