decred.org/dcrdex@v1.0.3/client/asset/dcr/spv_mixing.go (about)

     1  package dcr
     2  
     3  import (
     4  	"context"
     5  
     6  	"decred.org/dcrwallet/v4/wallet/udb"
     7  	"github.com/decred/dcrd/dcrutil/v4"
     8  )
     9  
    10  // must be sorted large to small
    11  var splitPoints = [...]dcrutil.Amount{
    12  	1 << 36, // 687.19476736
    13  	1 << 34, // 171.79869184
    14  	1 << 32, // 042.94967296
    15  	1 << 30, // 010.73741824
    16  	1 << 28, // 002.68435456
    17  	1 << 26, // 000.67108864
    18  	1 << 24, // 000.16777216
    19  	1 << 22, // 000.04194304
    20  	1 << 20, // 000.01048576
    21  	1 << 18, // 000.00262144
    22  }
    23  
    24  var splitPointMap = map[int64]struct{}{}
    25  
    26  func init() {
    27  	for _, amt := range splitPoints {
    28  		splitPointMap[int64(amt)] = struct{}{}
    29  	}
    30  }
    31  
    32  const (
    33  	smalletCSPPSplitPoint = 1 << 18 // 262144
    34  	mixedAccountName      = "mixed"
    35  	mixedAccountBranch    = udb.InternalBranch
    36  	tradingAccountName    = "dextrading"
    37  )
    38  
    39  func (w *spvWallet) mix(ctx context.Context) {
    40  	mixedAccount, err := w.AccountNumber(ctx, mixedAccountName)
    41  	if err != nil {
    42  		w.log.Errorf("unable to look up mixed account: %v", err)
    43  		return
    44  	}
    45  
    46  	// unmixed account is the default account
    47  	unmixedAccount := uint32(defaultAcct)
    48  
    49  	w.log.Debug("Starting new cspp peer-to-peer funds mixing cycle")
    50  
    51  	// Don't perform any actions while transactions are not synced
    52  	// through the tip block.
    53  	synced, _ := w.spv.Synced(ctx)
    54  	if !synced {
    55  		w.log.Tracef("Skipping account mixing: transactions are not synced")
    56  		return
    57  	}
    58  
    59  	if err = w.MixAccount(ctx, unmixedAccount, mixedAccount, mixedAccountBranch); err != nil {
    60  		w.log.Errorf("Error mixing account: %v", err)
    61  	}
    62  }