funding

type BaseClient interface {
	// FundingStateStep is an advanced funding related call that allows the
	// caller to either execute some preparatory steps for a funding
	// workflow, or manually progress a funding workflow.
	FundingStateStep(ctx context.Context, req *lnrpc.FundingTransitionMsg,
		opts ...grpc.CallOption) (*lnrpc.FundingStateStepResp, error)

	// OpenChannel attempts to open a singly funded channel specified in the
	// request to a remote peer.
	OpenChannel(ctx context.Context, req *lnrpc.OpenChannelRequest,
		opts ...grpc.CallOption) (lnrpc.Lightning_OpenChannelClient,
		error)

	// ListPeers returns a verbose listing of all currently active peers.
	ListPeers(ctx context.Context, req *lnrpc.ListPeersRequest,
		opts ...grpc.CallOption) (*lnrpc.ListPeersResponse, error)

	// SubscribePeerEvents creates a uni-directional stream from the server
	// to the client in which any events relevant to the state of peers are
	// sent over. Events include peers going online and offline.
	SubscribePeerEvents(ctx context.Context, r *lnrpc.PeerEventSubscription,
		opts ...grpc.CallOption) (
		lnrpc.Lightning_SubscribePeerEventsClient, error)

	// AbandonChannel removes all channel state from the database except for
	// a close summary. This method can be used to get rid of permanently
	// unusable channels due to bugs fixed in newer versions of lnd. This
	// method can also be used to remove externally funded channels where
	// the funding transaction was never broadcast. Only available for
	// non-externally funded channels in dev build.
	AbandonChannel(ctx context.Context, in *lnrpc.AbandonChannelRequest,
		opts ...grpc.CallOption) (*lnrpc.AbandonChannelResponse, error)
}

type Manager struct {
	// DB is the client database.
	DB *clientdb.DB

	// WalletKit is an lndclient wrapped walletrpc client.
	WalletKit lndclient.WalletKitClient

	// LightningClient is an lndclient wrapped lnrpc client.
	LightningClient lndclient.LightningClient

	// BaseClient is a raw lnrpc client that implements all methods the
	// funding manager needs.
	BaseClient BaseClient

	// NewNodesOnly specifies if the funding manager should only accept
	// matched orders with channels from new nodes that the connected lnd
	// node doesn't already have channels with.
	NewNodesOnly bool

	// PendingOpenChannels is a channel through which we'll receive
	// notifications for pending open channels resulting from a successful
	// batch.
	PendingOpenChannels chan *lnrpc.ChannelEventUpdate_PendingOpenChannel

	// BatchStepTimeout is the timeout the manager uses when executing a
	// single batch step.
	BatchStepTimeout time.Duration
}

type MatchRejectErr struct {
	// RejectedOrders is the map of matches we reject, keyed with our order
	// nonce.
	RejectedOrders map[order.Nonce]*auctioneerrpc.OrderReject
}