walletrpc: add ListLeases

lnwallet/btcwallet/btcwallet.go

@@ -405,6 +405,11 @@ func (b *BtcWallet) LeaseOutput(id wtxmgr.LockID, op wire.OutPoint,
 	return b.wallet.LeaseOutput(id, op, duration)
 }
 
+// ListLeasedOutputs returns a list of all currently locked outputs.
+func (b *BtcWallet) ListLeasedOutputs() ([]*wtxmgr.LockedOutput, error) {
+	return b.wallet.ListLeasedOutputs()
+}
+
 // ReleaseOutput unlocks an output, allowing it to be available for coin
 // selection if it remains unspent. The ID should match the one used to
 // originally lock the output.

lnwallet/interface.go

@@ -260,6 +260,9 @@ type WalletController interface {
 	// NOTE: This method requires the global coin selection lock to be held.
 	ReleaseOutput(id wtxmgr.LockID, op wire.OutPoint) error
 
+	// ListLeasedOutputs returns a list of all currently locked outputs.
+	ListLeasedOutputs() ([]*wtxmgr.LockedOutput, error)
+
 	// PublishTransaction performs cursory validation (dust checks, etc),
 	// then finally broadcasts the passed transaction to the Bitcoin network.
 	// If the transaction is rejected because it is conflicting with an