multi: move mockChainIO, mockNotifier to lntest/mock

lntest/mock/chainnotifier.go

@@ -0,0 +1,64 @@
+package mock
+
+import (
+	"github.com/btcsuite/btcd/chaincfg/chainhash"
+	"github.com/btcsuite/btcd/wire"
+
+	"github.com/lightningnetwork/lnd/chainntnfs"
+)
+
+// ChainNotifier is a mock implementation of the ChainNotifier interface.
+type ChainNotifier struct {
+	SpendChan chan *chainntnfs.SpendDetail
+	EpochChan chan *chainntnfs.BlockEpoch
+	ConfChan  chan *chainntnfs.TxConfirmation
+}
+
+// RegisterConfirmationsNtfn returns a ConfirmationEvent that contains a channel
+// that the tx confirmation will go over.
+func (c *ChainNotifier) RegisterConfirmationsNtfn(txid *chainhash.Hash,
+	pkScript []byte, numConfs, heightHint uint32) (*chainntnfs.ConfirmationEvent,
+	error) {
+
+	return &chainntnfs.ConfirmationEvent{
+		Confirmed: c.ConfChan,
+		Cancel:    func() {},
+	}, nil
+}
+
+// RegisterSpendNtfn returns a SpendEvent that contains a channel that the spend
+// details will go over.
+func (c *ChainNotifier) RegisterSpendNtfn(outpoint *wire.OutPoint,
+	pkScript []byte, heightHint uint32) (*chainntnfs.SpendEvent, error) {
+
+	return &chainntnfs.SpendEvent{
+		Spend:  c.SpendChan,
+		Cancel: func() {},
+	}, nil
+}
+
+// RegisterBlockEpochNtfn returns a BlockEpochEvent that contains a channel that
+// block epochs will go over.
+func (c *ChainNotifier) RegisterBlockEpochNtfn(blockEpoch *chainntnfs.BlockEpoch) (
+	*chainntnfs.BlockEpochEvent, error) {
+
+	return &chainntnfs.BlockEpochEvent{
+		Epochs: c.EpochChan,
+		Cancel: func() {},
+	}, nil
+}
+
+// Start currently returns a dummy value.
+func (c *ChainNotifier) Start() error {
+	return nil
+}
+
+// Started currently returns a dummy value.
+func (c *ChainNotifier) Started() bool {
+	return true
+}
+
+// Stop currently returns a dummy value.
+func (c *ChainNotifier) Stop() error {
+	return nil
+}