syntax = "proto3"; import "google/api/annotations.proto"; package lnrpc; /** * Comments in this file will be directly parsed into the API * Documentation as descriptions of the associated method, message, or field. * These descriptions should go right above the definition of the object, and * can be in either block or /// comment format. * * One edge case exists where a // comment followed by a /// comment in the * next line will cause the description not to show up in the documentation. In * that instance, simply separate the two comments with a blank line. * * An RPC method can be matched to an lncli command by placing a line in the * beginning of the description in exactly the following format: * lncli: `methodname` * * Failure to specify the exact name of the command will cause documentation * generation to fail. * * More information on how exactly the gRPC documentation is generated from * this proto file can be found here: * https://github.com/MaxFangX/lightning-api */ // The WalletUnlocker service is used to set up a wallet password for // lnd at first startup, and unlock a previously set up wallet. service WalletUnlocker { /** lncli: `create` CreateWallet is used at lnd startup to set the encryption password for the wallet database. */ rpc CreateWallet(CreateWalletRequest) returns (CreateWalletResponse) { option (google.api.http) = { post: "/v1/createwallet" body: "*" }; } /** lncli: `unlock` UnlockWallet is used at startup of lnd to provide a password to unlock the wallet database. */ rpc UnlockWallet(UnlockWalletRequest) returns (UnlockWalletResponse) { option (google.api.http) = { post: "/v1/unlockwallet" body: "*" }; } } message CreateWalletRequest { bytes password = 1; } message CreateWalletResponse {} message UnlockWalletRequest { bytes password = 1; } message UnlockWalletResponse {} service Lightning { /** lncli: `walletbalance` WalletBalance returns total unspent outputs(confirmed and unconfirmed), all confirmed unspent outputs and all unconfirmed unspent outputs under control by the wallet. This method can be modified by having the request specify only witness outputs should be factored into the final output sum. */ rpc WalletBalance (WalletBalanceRequest) returns (WalletBalanceResponse) { option (google.api.http) = { get: "/v1/balance/blockchain" }; } /** lncli: `channelbalance` ChannelBalance returns the total funds available across all open channels in satoshis. */ rpc ChannelBalance (ChannelBalanceRequest) returns (ChannelBalanceResponse) { option (google.api.http) = { get: "/v1/balance/channels" }; } /** lncli: `listchaintxns` GetTransactions returns a list describing all the known transactions relevant to the wallet. */ rpc GetTransactions (GetTransactionsRequest) returns (TransactionDetails) { option (google.api.http) = { get: "/v1/transactions" }; } /** lncli: `sendcoins` SendCoins executes a request to send coins to a particular address. Unlike SendMany, this RPC call only allows creating a single output at a time. If neither target_conf, or sat_per_byte are set, then the internal wallet will consult its fee model to determine a fee for the default confirmation target. */ rpc SendCoins (SendCoinsRequest) returns (SendCoinsResponse) { option (google.api.http) = { post: "/v1/transactions" body: "*" }; } /** SubscribeTransactions creates a uni-directional stream from the server to the client in which any newly discovered transactions relevant to the wallet are sent over. */ rpc SubscribeTransactions (GetTransactionsRequest) returns (stream Transaction); /** lncli: `sendmany` SendMany handles a request for a transaction that creates multiple specified outputs in parallel. If neither target_conf, or sat_per_byte are set, then the internal wallet will consult its fee model to determine a fee for the default confirmation target. */ rpc SendMany (SendManyRequest) returns (SendManyResponse); /** lncli: `newaddress` NewAddress creates a new address under control of the local wallet. */ rpc NewAddress (NewAddressRequest) returns (NewAddressResponse); /** NewWitnessAddress creates a new witness address under control of the local wallet. */ rpc NewWitnessAddress (NewWitnessAddressRequest) returns (NewAddressResponse) { option (google.api.http) = { get: "/v1/newaddress" }; } /** lncli: `signmessage` SignMessage signs a message with this node's private key. The returned signature string is `zbase32` encoded and pubkey recoverable, meaning that only the message digest and signature are needed for verification. */ rpc SignMessage (SignMessageRequest) returns (SignMessageResponse); /** lncli: `verifymessage` VerifyMessage verifies a signature over a msg. The signature must be zbase32 encoded and signed by an active node in the resident node's channel database. In addition to returning the validity of the signature, VerifyMessage also returns the recovered pubkey from the signature. */ rpc VerifyMessage (VerifyMessageRequest) returns (VerifyMessageResponse); /** lncli: `connect` ConnectPeer attempts to establish a connection to a remote peer. This is at the networking level, and is used for communication between nodes. This is distinct from establishing a channel with a peer. */ rpc ConnectPeer (ConnectPeerRequest) returns (ConnectPeerResponse) { option (google.api.http) = { post: "/v1/peers" body: "*" }; } /** lncli: `disconnect` DisconnectPeer attempts to disconnect one peer from another identified by a given pubKey. In the case that we currently have a pending or active channel with the target peer, then this action will be not be allowed. */ rpc DisconnectPeer (DisconnectPeerRequest) returns (DisconnectPeerResponse) { option (google.api.http) = { delete: "/v1/peers/{pub_key}" }; } /** lncli: `listpeers` ListPeers returns a verbose listing of all currently active peers. */ rpc ListPeers (ListPeersRequest) returns (ListPeersResponse) { option (google.api.http) = { get: "/v1/peers" }; } /** lncli: `getinfo` GetInfo returns general information concerning the lightning node including it's identity pubkey, alias, the chains it is connected to, and information concerning the number of open+pending channels. */ rpc GetInfo (GetInfoRequest) returns (GetInfoResponse) { option (google.api.http) = { get: "/v1/getinfo" }; } // TODO(roasbeef): merge with below with bool? /** lncli: `pendingchannels` PendingChannels returns a list of all the channels that are currently considered "pending". A channel is pending if it has finished the funding workflow and is waiting for confirmations for the funding txn, or is in the process of closure, either initiated cooperatively or non-cooperatively. */ rpc PendingChannels (PendingChannelsRequest) returns (PendingChannelsResponse) { option (google.api.http) = { get: "/v1/channels/pending" }; } /** lncli: `listchannels` ListChannels returns a description of all the open channels that this node is a participant in. */ rpc ListChannels (ListChannelsRequest) returns (ListChannelsResponse) { option (google.api.http) = { get: "/v1/channels" }; } /** OpenChannelSync is a synchronous version of the OpenChannel RPC call. This call is meant to be consumed by clients to the REST proxy. As with all other sync calls, all byte slices are intended to be populated as hex encoded strings. */ rpc OpenChannelSync (OpenChannelRequest) returns (ChannelPoint) { option (google.api.http) = { post: "/v1/channels" body: "*" }; } /** lncli: `openchannel` OpenChannel attempts to open a singly funded channel specified in the request to a remote peer. Users are able to specify a target number of blocks that the funding transaction should be confirmed in, or a manual fee rate to us for the funding transaction. If neither are specified, then a lax block confirmation target is used. */ rpc OpenChannel (OpenChannelRequest) returns (stream OpenStatusUpdate); /** lncli: `closechannel` CloseChannel attempts to close an active channel identified by its channel outpoint (ChannelPoint). The actions of this method can additionally be augmented to attempt a force close after a timeout period in the case of an inactive peer. If a non-force close (cooperative closure) is requested, then the user can specify either a target number of blocks until the closure transaction is confirmed, or a manual fee rate. If neither are specified, then a default lax, block confirmation target is used. */ rpc CloseChannel (CloseChannelRequest) returns (stream CloseStatusUpdate) { option (google.api.http) = { delete: "/v1/channels/{channel_point.funding_txid}/{channel_point.output_index}" }; } /** lncli: `sendpayment` SendPayment dispatches a bi-directional streaming RPC for sending payments through the Lightning Network. A single RPC invocation creates a persistent bi-directional stream allowing clients to rapidly send payments through the Lightning Network with a single persistent connection. */ rpc SendPayment (stream SendRequest) returns (stream SendResponse); /** SendPaymentSync is the synchronous non-streaming version of SendPayment. This RPC is intended to be consumed by clients of the REST proxy. Additionally, this RPC expects the destination's public key and the payment hash (if any) to be encoded as hex strings. */ rpc SendPaymentSync (SendRequest) returns (SendResponse) { option (google.api.http) = { post: "/v1/channels/transactions" body: "*" }; } /** lncli: `addinvoice` AddInvoice attempts to add a new invoice to the invoice database. Any duplicated invoices are rejected, therefore all invoices *must* have a unique payment preimage. */ rpc AddInvoice (Invoice) returns (AddInvoiceResponse) { option (google.api.http) = { post: "/v1/invoices" body: "*" }; } /** lncli: `listinvoices` ListInvoices returns a list of all the invoices currently stored within the database. Any active debug invoices are ignored. */ rpc ListInvoices (ListInvoiceRequest) returns (ListInvoiceResponse) { option (google.api.http) = { get: "/v1/invoices/{pending_only}" }; } /** lncli: `lookupinvoice` LookupInvoice attemps to look up an invoice according to its payment hash. The passed payment hash *must* be exactly 32 bytes, if not, an error is returned. */ rpc LookupInvoice (PaymentHash) returns (Invoice) { option (google.api.http) = { get: "/v1/invoices/{r_hash_str}" }; } /** SubscribeInvoices returns a uni-directional stream (sever -> client) for notifying the client of newly added/settled invoices. */ rpc SubscribeInvoices (InvoiceSubscription) returns (stream Invoice) { option (google.api.http) = { get: "/v1/invoices/subscribe" }; } /** lncli: `decodepayreq` DecodePayReq takes an encoded payment request string and attempts to decode it, returning a full description of the conditions encoded within the payment request. */ rpc DecodePayReq (PayReqString) returns (PayReq) { option (google.api.http) = { get: "/v1/payreq/{pay_req}" }; } /** lncli: `listpayments` ListPayments returns a list of all outgoing payments. */ rpc ListPayments (ListPaymentsRequest) returns (ListPaymentsResponse) { option (google.api.http) = { get: "/v1/payments" }; }; /** DeleteAllPayments deletes all outgoing payments from DB. */ rpc DeleteAllPayments (DeleteAllPaymentsRequest) returns (DeleteAllPaymentsResponse) { option (google.api.http) = { delete: "/v1/payments" }; }; /** lncli: `describegraph` DescribeGraph returns a description of the latest graph state from the point of view of the node. The graph information is partitioned into two components: all the nodes/vertexes, and all the edges that connect the vertexes themselves. As this is a directed graph, the edges also contain the node directional specific routing policy which includes: the time lock delta, fee information, etc. */ rpc DescribeGraph (ChannelGraphRequest) returns (ChannelGraph) { option (google.api.http) = { get: "/v1/graph" }; } /** lncli: `getchaninfo` GetChanInfo returns the latest authenticated network announcement for the given channel identified by its channel ID: an 8-byte integer which uniquely identifies the location of transaction's funding output within the blockchain. */ rpc GetChanInfo (ChanInfoRequest) returns (ChannelEdge) { option (google.api.http) = { get: "/v1/graph/edge/{chan_id}" }; } /** lncli: `getnodeinfo` GetNodeInfo returns the latest advertised, aggregated, and authenticated channel information for the specified node identified by its public key. */ rpc GetNodeInfo (NodeInfoRequest) returns (NodeInfo) { option (google.api.http) = { get: "/v1/graph/node/{pub_key}" }; } /** lncli: `queryroutes` QueryRoutes attempts to query the daemon's Channel Router for a possible route to a target destination capable of carrying a specific amount of satoshis. The retuned route contains the full details required to craft and send an HTLC, also including the necessary information that should be present within the Sphinx packet encapsualted within the HTLC. */ rpc QueryRoutes(QueryRoutesRequest) returns (QueryRoutesResponse) { option (google.api.http) = { get: "/v1/graph/routes/{pub_key}/{amt}" }; } /** lncli: `getnetworkinfo` GetNetworkInfo returns some basic stats about the known channel graph from the point of view of the node. */ rpc GetNetworkInfo (NetworkInfoRequest) returns (NetworkInfo) { option (google.api.http) = { get: "/v1/graph/info" }; } /** lncli: `stop` StopDaemon will send a shutdown request to the interrupt handler, triggering a graceful shutdown of the daemon. */ rpc StopDaemon(StopRequest) returns (StopResponse); /** SubscribeChannelGraph launches a streaming RPC that allows the caller to receive notifications upon any changes to the channel graph topology from the point of view of the responding node. Events notified include: new nodes coming online, nodes updating their authenticated attributes, new channels being advertised, updates in the routing policy for a directional channel edge, and when channels are closed on-chain. */ rpc SubscribeChannelGraph(GraphTopologySubscription) returns (stream GraphTopologyUpdate); /** lncli: `debuglevel` DebugLevel allows a caller to programmatically set the logging verbosity of lnd. The logging can be targeted according to a coarse daemon-wide logging level, or in a granular fashion to specify the logging for a target sub-system. */ rpc DebugLevel (DebugLevelRequest) returns (DebugLevelResponse); /** lncli: `feereport` FeeReport allows the caller to obtain a report detailing the current fee schedule enforced by the node globally for each channel. */ rpc FeeReport(FeeReportRequest) returns (FeeReportResponse) { option (google.api.http) = { get: "/v1/fees" }; } /** lncli: `updatechanpolicy` UpdateChannelPolicy allows the caller to update the fee schedule and channel policies for all channels globally, or a particular channel. */ rpc UpdateChannelPolicy(PolicyUpdateRequest) returns (PolicyUpdateResponse) { option (google.api.http) = { post: "/v1/fees" body: "*" }; } } message Transaction { /// The transaction hash string tx_hash = 1 [ json_name = "tx_hash" ]; /// The transaction ammount, denominated in satoshis int64 amount = 2 [ json_name = "amount" ]; /// The number of confirmations int32 num_confirmations = 3 [ json_name = "num_confirmations" ]; /// The hash of the block this transaction was included in string block_hash = 4 [ json_name = "block_hash" ]; /// The height of the block this transaction was included in int32 block_height = 5 [ json_name = "block_height" ]; /// Timestamp of this transaction int64 time_stamp = 6 [ json_name = "time_stamp" ]; /// Fees paid for this transaction int64 total_fees = 7 [ json_name = "total_fees" ]; /// Addresses that received funds for this transaction repeated string dest_addresses = 8 [ json_name = "dest_addresses" ]; } message GetTransactionsRequest { } message TransactionDetails { /// The list of transactions relevant to the wallet. repeated Transaction transactions = 1 [json_name = "transactions"]; } message SendRequest { /// The identity pubkey of the payment recipient bytes dest = 1; /// The hex-encoded identity pubkey of the payment recipient string dest_string = 2; /// Number of satoshis to send. int64 amt = 3; /// The hash to use within the payment's HTLC bytes payment_hash = 4; /// The hex-encoded hash to use within the payment's HTLC string payment_hash_string = 5; /** A bare-bones invoice for a payment within the Lightning Network. With the details of the invoice, the sender has all the data necessary to send a payment to the recipient. */ string payment_request = 6; /// The CLTV delta from the current height that should be used to set the timelock for the final hop. int32 final_cltv_delta = 7; } message SendResponse { string payment_error = 1 [json_name = "payment_error"]; bytes payment_preimage = 2 [json_name = "payment_preimage"]; Route payment_route = 3 [json_name = "payment_route"]; } message ChannelPoint { // TODO(roasbeef): make str vs bytes into a oneof /// Txid of the funding transaction bytes funding_txid = 1 [ json_name = "funding_txid" ]; /// Hex-encoded string representing the funding transaction string funding_txid_str = 2 [ json_name = "funding_txid_str" ]; /// The index of the output of the funding transaction uint32 output_index = 3 [ json_name = "output_index" ]; } message LightningAddress { /// The identity pubkey of the Lightning node string pubkey = 1 [json_name = "pubkey"]; /// The network location of the lightning node, e.g. `69.69.69.69:1337` or `localhost:10011` string host = 2 [json_name = "host"]; } message SendManyRequest { /// The map from addresses to amounts map AddrToAmount = 1; /// The target number of blocks that this transaction should be confirmed by. int32 target_conf = 3; /// A manual fee rate set in sat/byte that should be used when crafting the transaction. int64 sat_per_byte = 5; } message SendManyResponse { /// The id of the transaction string txid = 1 [json_name = "txid"]; } message SendCoinsRequest { /// The address to send coins to string addr = 1; /// The amount in satoshis to send int64 amount = 2; /// The target number of blocks that this transaction should be confirmed by. int32 target_conf = 3; /// A manual fee rate set in sat/byte that should be used when crafting the transaction. int64 sat_per_byte = 5; } message SendCoinsResponse { /// The transaction ID of the transaction string txid = 1 [json_name = "txid"]; } /** `AddressType` has to be one of: - `p2wkh`: Pay to witness key hash (`WITNESS_PUBKEY_HASH` = 0) - `np2wkh`: Pay to nested witness key hash (`NESTED_PUBKEY_HASH` = 1) - `p2pkh`: Pay to public key hash (`PUBKEY_HASH` = 2) */ message NewAddressRequest { enum AddressType { WITNESS_PUBKEY_HASH = 0; NESTED_PUBKEY_HASH = 1; PUBKEY_HASH = 2; } /// The address type AddressType type = 1; } message NewWitnessAddressRequest { } message NewAddressResponse { /// The newly generated wallet address string address = 1 [json_name = "address"]; } message SignMessageRequest { /// The message to be signed bytes msg = 1 [ json_name = "msg" ]; } message SignMessageResponse { /// The signature for the given message string signature = 1 [ json_name = "signature" ]; } message VerifyMessageRequest { /// The message over which the signature is to be verified bytes msg = 1 [ json_name = "msg" ]; /// The signature to be verifed over the given message string signature = 2 [ json_name = "signature" ]; } message VerifyMessageResponse { /// Whether the signature was valid over the given message bool valid = 1 [ json_name = "valid" ]; /// The pubkey recovered from the signature string pubkey = 2 [ json_name = "pubkey" ]; } message ConnectPeerRequest { /// Lightning address of the peer, in the format `@host` LightningAddress addr = 1; /** If set, the daemon will attempt to persistently connect to the target * peer. Otherwise, the call will be synchronous. */ bool perm = 2; } message ConnectPeerResponse { /// The id of the newly connected peer int32 peer_id = 1 [json_name = "peer_id"]; } message DisconnectPeerRequest { /// The pubkey of the node to disconnect from string pub_key = 1 [json_name = "pub_key"]; } message DisconnectPeerResponse { } message HTLC { bool incoming = 1 [json_name = "incoming"]; int64 amount = 2 [json_name = "amount"]; bytes hash_lock = 3 [json_name = "hash_lock"]; uint32 expiration_height = 4 [json_name = "expiration_height"]; } message ActiveChannel { /// Whether this channel is active or not bool active = 1 [json_name = "active"]; /// The identity pubkey of the remote node string remote_pubkey = 2 [json_name = "remote_pubkey"]; /** The outpoint (txid:index) of the funding transaction. With this value, Bob will be able to generate a signature for Alice's version of the commitment transaction. */ string channel_point = 3 [json_name = "channel_point"]; /** The unique channel ID for the channel. The first 3 bytes are the block height, the next 3 the index within the block, and the last 2 bytes are the output index for the channel. */ uint64 chan_id = 4 [json_name = "chan_id"]; /// The total amount of funds held in this channel int64 capacity = 5 [json_name = "capacity"]; /// This node's current balance in this channel int64 local_balance = 6 [json_name = "local_balance"]; /// The counterparty's current balance in this channel int64 remote_balance = 7 [json_name = "remote_balance"]; /** The amount calculated to be paid in fees for the current set of commitment transactions. The fee amount is persisted with the channel in order to allow the fee amount to be removed and recalculated with each channel state update, including updates that happen after a system restart. */ int64 commit_fee = 8 [json_name = "commit_fee"]; /// The weight of the commitment transaction int64 commit_weight = 9 [ json_name = "commit_weight" ]; /** The required number of satoshis per kilo-weight that the requester will pay at all times, for both the funding transaction and commitment transaction. This value can later be updated once the channel is open. */ int64 fee_per_kw = 10 [json_name = "fee_per_kw"]; /// The unsettled balance in this channel int64 unsettled_balance = 11 [json_name = "unsettled_balance"]; /** The total number of satoshis we've sent within this channel. */ int64 total_satoshis_sent = 12 [json_name = "total_satoshis_sent"]; /** The total number of satoshis we've received within this channel. */ int64 total_satoshis_received = 13 [json_name = "total_satoshis_received"]; /** The total number of updates conducted within this channel. */ uint64 num_updates = 14 [json_name = "num_updates"]; /** The list of active, uncleared HTLCs currently pending within the channel. */ repeated HTLC pending_htlcs = 15 [json_name = "pending_htlcs"]; /** The CSV delay expressed in relative blocks. If the channel is force closed, we'll need to wait for this many blocks before we can regain our funds. */ uint32 csv_delay = 16 [ json_name = "csv_delay" ]; } message ListChannelsRequest { } message ListChannelsResponse { /// The list of active channels repeated ActiveChannel channels = 11 [json_name = "channels"]; } message Peer { /// The identity pubkey of the peer string pub_key = 1 [json_name = "pub_key"]; /// The peer's id from the local point of view int32 peer_id = 2 [json_name = "peer_id"]; /// Network address of the peer; eg `127.0.0.1:10011` string address = 3 [json_name = "address"]; /// Bytes of data transmitted to this peer uint64 bytes_sent = 4 [json_name = "bytes_sent"]; /// Bytes of data transmitted from this peer uint64 bytes_recv = 5 [json_name = "bytes_recv"]; /// Satoshis sent to this peer int64 sat_sent = 6 [json_name = "sat_sent"]; /// Satoshis received from this peer int64 sat_recv = 7 [json_name = "sat_recv"]; /// A channel is inbound if the counterparty initiated the channel bool inbound = 8 [json_name = "inbound"]; /// Ping time to this peer int64 ping_time = 9 [json_name = "ping_time"]; } message ListPeersRequest { } message ListPeersResponse { /// The list of currently connected peers repeated Peer peers = 1 [json_name = "peers"]; } message GetInfoRequest { } message GetInfoResponse { /// The identity pubkey of the current node. string identity_pubkey = 1 [json_name = "identity_pubkey"]; /// If applicable, the alias of the current node, e.g. "bob" string alias = 2 [json_name = "alias"]; /// Number of pending channels uint32 num_pending_channels = 3 [json_name = "num_pending_channels"]; /// Number of active channels uint32 num_active_channels = 4 [json_name = "num_active_channels"]; /// Number of peers uint32 num_peers = 5 [json_name = "num_peers"]; /// The node's current view of the height of the best block uint32 block_height = 6 [json_name = "block_height"]; /// The node's current view of the hash of the best block string block_hash = 8 [json_name = "block_hash"]; /// Whether the wallet's view is synced to the main chain bool synced_to_chain = 9 [json_name = "synced_to_chain"]; /// Whether the current node is connected to testnet bool testnet = 10 [json_name = "testnet"]; /// A list of active chains the node is connected to repeated string chains = 11 [json_name = "chains"]; /// The URIs of the current node. repeated string uris = 12 [json_name = "uris"]; } message ConfirmationUpdate { bytes block_sha = 1; int32 block_height = 2; uint32 num_confs_left = 3; } message ChannelOpenUpdate { ChannelPoint channel_point = 1 [json_name = "channel_point"]; } message ChannelCloseUpdate { bytes closing_txid = 1 [json_name = "closing_txid"]; bool success = 2 [json_name = "success"]; } message CloseChannelRequest { /** The outpoint (txid:index) of the funding transaction. With this value, Bob will be able to generate a signature for Alice's version of the commitment transaction. */ ChannelPoint channel_point = 1; /// If true, then the channel will be closed forcibly. This means the current commitment transaction will be signed and broadcast. bool force = 2; /// The target number of blocks that the closure transaction should be confirmed by. int32 target_conf = 3; /// A manual fee rate set in sat/byte that should be used when crafting the closure transaction. int64 sat_per_byte = 5; } message CloseStatusUpdate { oneof update { PendingUpdate close_pending = 1 [json_name = "close_pending"]; ConfirmationUpdate confirmation = 2 [json_name = "confirmation"]; ChannelCloseUpdate chan_close = 3 [json_name = "chan_close"]; } } message PendingUpdate { bytes txid = 1 [json_name = "txid"]; uint32 output_index = 2 [json_name = "output_index"]; } message OpenChannelRequest { /// The peer_id of the node to open a channel with int32 target_peer_id = 1 [json_name = "target_peer_id"]; /// The pubkey of the node to open a channel with bytes node_pubkey = 2 [json_name = "node_pubkey"]; /// The hex encorded pubkey of the node to open a channel with string node_pubkey_string = 3 [json_name = "node_pubkey_string"]; /// The number of satoshis the wallet should commit to the channel int64 local_funding_amount = 4 [json_name = "local_funding_amount"]; /// The number of satoshis to push to the remote side as part of the initial commitment state int64 push_sat = 5 [json_name = "push_sat"]; /// The target number of blocks that the closure transaction should be confirmed by. int32 target_conf = 6; /// A manual fee rate set in sat/byte that should be used when crafting the closure transaction. int64 sat_per_byte = 7; /// Whether this channel should be private, not announced to the greater network. bool private = 8 [json_name = "private"]; /// The minimum value in millisatoshi we will require for incoming HTLCs on the channel. int64 min_htlc_msat = 9 [json_name = "min_htlc_msat"]; } message OpenStatusUpdate { oneof update { PendingUpdate chan_pending = 1 [json_name = "chan_pending"]; ConfirmationUpdate confirmation = 2 [json_name = "confirmation"]; ChannelOpenUpdate chan_open = 3 [json_name = "chan_open"]; } } message PendingHTLC { /// The direction within the channel that the htlc was sent bool incoming = 1 [ json_name = "incoming" ]; /// The total value of the htlc int64 amount = 2 [ json_name = "amount" ]; /// The final output to be swept back to the user's wallet string outpoint = 3 [ json_name = "outpoint" ]; /// The next block height at which we can spend the current stage uint32 maturity_height = 4 [ json_name = "maturity_height" ]; /** The number of blocks remaining until the current stage can be swept. Negative values indicate how many blocks have passed since becoming mature. */ int32 blocks_til_maturity = 5 [ json_name = "blocks_til_maturity" ]; /// Indicates whether the htlc is in its first or second stage of recovery uint32 stage = 6 [ json_name = "stage" ]; } message PendingChannelsRequest {} message PendingChannelsResponse { message PendingChannel { string remote_node_pub = 1 [ json_name = "remote_node_pub" ]; string channel_point = 2 [ json_name = "channel_point" ]; int64 capacity = 3 [ json_name = "capacity" ]; int64 local_balance = 4 [ json_name = "local_balance" ]; int64 remote_balance = 5 [ json_name = "remote_balance" ]; } message PendingOpenChannel { /// The pending channel PendingChannel channel = 1 [ json_name = "channel" ]; /// The height at which this channel will be confirmed uint32 confirmation_height = 2 [ json_name = "confirmation_height" ]; /** The amount calculated to be paid in fees for the current set of commitment transactions. The fee amount is persisted with the channel in order to allow the fee amount to be removed and recalculated with each channel state update, including updates that happen after a system restart. */ int64 commit_fee = 4 [json_name = "commit_fee" ]; /// The weight of the commitment transaction int64 commit_weight = 5 [ json_name = "commit_weight" ]; /** The required number of satoshis per kilo-weight that the requester will pay at all times, for both the funding transaction and commitment transaction. This value can later be updated once the channel is open. */ int64 fee_per_kw = 6 [ json_name = "fee_per_kw" ]; } message ClosedChannel { /// The pending channel to be closed PendingChannel channel = 1; /// The transaction id of the closing transaction string closing_txid = 2 [ json_name = "closing_txid" ]; } message ForceClosedChannel { /// The pending channel to be force closed PendingChannel channel = 1 [ json_name = "channel" ]; /// The transaction id of the closing transaction string closing_txid = 2 [ json_name = "closing_txid" ]; /// The balance in satoshis encumbered in this pending channel int64 limbo_balance = 3 [ json_name = "limbo_balance" ]; /// The height at which funds can be sweeped into the wallet uint32 maturity_height = 4 [ json_name = "maturity_height" ]; /* Remaining # of blocks until the commitment output can be swept. Negative values indicate how many blocks have passed since becoming mature. */ int32 blocks_til_maturity = 5 [ json_name = "blocks_til_maturity" ]; /// The total value of funds successfully recovered from this channel int64 recovered_balance = 6 [ json_name = "recovered_balance" ]; repeated PendingHTLC pending_htlcs = 8 [ json_name = "pending_htlcs" ]; } /// The balance in satoshis encumbered in pending channels int64 total_limbo_balance = 1 [ json_name = "total_limbo_balance" ]; /// Channels pending opening repeated PendingOpenChannel pending_open_channels = 2 [ json_name = "pending_open_channels" ]; /// Channels pending closing repeated ClosedChannel pending_closing_channels = 3 [ json_name = "pending_closing_channels" ]; /// Channels pending force closing repeated ForceClosedChannel pending_force_closing_channels = 4 [ json_name = "pending_force_closing_channels" ]; } message WalletBalanceRequest { /// If only witness outputs should be considered when calculating the wallet's balance bool witness_only = 1; } message WalletBalanceResponse { /// The balance of the wallet int64 total_balance = 1 [json_name = "total_balance"]; /// The confirmed balance of a wallet(with >= 1 confirmations) int64 confirmed_balance = 2 [json_name = "confirmed_balance"]; /// The unconfirmed balance of a wallet(with 0 confirmations) int64 unconfirmed_balance = 3 [json_name = "unconfirmed_balance"]; } message ChannelBalanceRequest { } message ChannelBalanceResponse { /// Sum of channels balances denominated in satoshis int64 balance = 1 [json_name = "balance"]; } message QueryRoutesRequest { /// The 33-byte hex-encoded public key for the payment destination string pub_key = 1; /// The amount to send expressed in satoshis int64 amt = 2; } message QueryRoutesResponse { repeated Route routes = 1 [ json_name = "routes"]; } message Hop { /** The unique channel ID for the channel. The first 3 bytes are the block height, the next 3 the index within the block, and the last 2 bytes are the output index for the channel. */ uint64 chan_id = 1 [json_name = "chan_id"]; int64 chan_capacity = 2 [json_name = "chan_capacity"]; int64 amt_to_forward = 3 [json_name = "amt_to_forward"]; int64 fee = 4 [json_name = "fee"]; uint32 expiry = 5 [json_name = "expiry"]; } /** A path through the channel graph which runs over one or more channels in succession. This struct carries all the information required to craft the Sphinx onion packet, and send the payment along the first hop in the path. A route is only selected as valid if all the channels have sufficient capacity to carry the initial payment amount after fees are accounted for. */ message Route { /** The cumulative (final) time lock across the entire route. This is the CLTV value that should be extended to the first hop in the route. All other hops will decrement the time-lock as advertised, leaving enough time for all hops to wait for or present the payment preimage to complete the payment. */ uint32 total_time_lock = 1 [json_name = "total_time_lock"]; /** The sum of the fees paid at each hop within the final route. In the case of a one-hop payment, this value will be zero as we don't need to pay a fee it ourself. */ int64 total_fees = 2 [json_name = "total_fees"]; /** The total amount of funds required to complete a payment over this route. This value includes the cumulative fees at each hop. As a result, the HTLC extended to the first-hop in the route will need to have at least this many satoshis, otherwise the route will fail at an intermediate node due to an insufficient amount of fees. */ int64 total_amt = 3 [json_name = "total_amt"]; /** Contains details concerning the specific forwarding details at each hop. */ repeated Hop hops = 4 [json_name = "hops"]; } message NodeInfoRequest { /// The 33-byte hex-encoded compressed public of the target node string pub_key = 1; } message NodeInfo { /** An individual vertex/node within the channel graph. A node is connected to other nodes by one or more channel edges emanating from it. As the graph is directed, a node will also have an incoming edge attached to it for each outgoing edge. */ LightningNode node = 1 [json_name = "node"]; uint32 num_channels = 2 [json_name = "num_channels"]; int64 total_capacity = 3 [json_name = "total_capacity"]; } /** An individual vertex/node within the channel graph. A node is connected to other nodes by one or more channel edges emanating from it. As the graph is directed, a node will also have an incoming edge attached to it for each outgoing edge. */ message LightningNode { uint32 last_update = 1 [ json_name = "last_update" ]; string pub_key = 2 [ json_name = "pub_key" ]; string alias = 3 [ json_name = "alias" ]; repeated NodeAddress addresses = 4 [ json_name = "addresses" ]; string color = 5 [ json_name = "color" ]; } message NodeAddress { string network = 1 [ json_name = "network" ]; string addr = 2 [ json_name = "addr" ]; } message RoutingPolicy { uint32 time_lock_delta = 1 [json_name = "time_lock_delta"]; int64 min_htlc = 2 [json_name = "min_htlc"]; int64 fee_base_msat = 3 [json_name = "fee_base_msat"]; int64 fee_rate_milli_msat = 4 [json_name = "fee_rate_milli_msat"]; } /** A fully authenticated channel along with all its unique attributes. Once an authenticated channel announcement has been processed on the network, then a instance of ChannelEdgeInfo encapsulating the channels attributes is stored. The other portions relevant to routing policy of a channel are stored within a ChannelEdgePolicy for each direction of the channel. */ message ChannelEdge { /** The unique channel ID for the channel. The first 3 bytes are the block height, the next 3 the index within the block, and the last 2 bytes are the output index for the channel. */ uint64 channel_id = 1 [json_name = "channel_id"]; string chan_point = 2 [json_name = "chan_point"]; uint32 last_update = 3 [json_name = "last_update"]; string node1_pub = 4 [json_name = "node1_pub"]; string node2_pub = 5 [json_name = "node2_pub"]; int64 capacity = 6 [json_name = "capacity"]; RoutingPolicy node1_policy = 7 [json_name = "node1_policy"]; RoutingPolicy node2_policy = 8 [json_name = "node2_policy"]; } message ChannelGraphRequest { } /// Returns a new instance of the directed channel graph. message ChannelGraph { /// The list of `LightningNode`s in this channel graph repeated LightningNode nodes = 1 [json_name = "nodes"]; /// The list of `ChannelEdge`s in this channel graph repeated ChannelEdge edges = 2 [json_name = "edges"]; } message ChanInfoRequest { /** The unique channel ID for the channel. The first 3 bytes are the block height, the next 3 the index within the block, and the last 2 bytes are the output index for the channel. */ uint64 chan_id = 1; } message NetworkInfoRequest { } message NetworkInfo { uint32 graph_diameter = 1 [json_name = "graph_diameter"]; double avg_out_degree = 2 [json_name = "avg_out_degree"]; uint32 max_out_degree = 3 [json_name = "max_out_degree"]; uint32 num_nodes = 4 [json_name = "num_nodes"]; uint32 num_channels = 5 [json_name = "num_channels"]; int64 total_network_capacity = 6 [json_name = "total_network_capacity"]; double avg_channel_size = 7 [json_name = "avg_channel_size"]; int64 min_channel_size = 8 [json_name = "min_channel_size"]; int64 max_channel_size = 9 [json_name = "max_channel_size"]; // TODO(roasbeef): fee rate info, expiry // * also additional RPC for tracking fee info once in } message StopRequest{} message StopResponse{} message GraphTopologySubscription {} message GraphTopologyUpdate { repeated NodeUpdate node_updates = 1; repeated ChannelEdgeUpdate channel_updates = 2; repeated ClosedChannelUpdate closed_chans = 3; } message NodeUpdate { repeated string addresses = 1; string identity_key = 2; bytes global_features = 3; string alias = 4; } message ChannelEdgeUpdate { /** The unique channel ID for the channel. The first 3 bytes are the block height, the next 3 the index within the block, and the last 2 bytes are the output index for the channel. */ uint64 chan_id = 1; ChannelPoint chan_point = 2; int64 capacity = 3; RoutingPolicy routing_policy = 4; string advertising_node = 5; string connecting_node = 6; } message ClosedChannelUpdate { /** The unique channel ID for the channel. The first 3 bytes are the block height, the next 3 the index within the block, and the last 2 bytes are the output index for the channel. */ uint64 chan_id = 1; int64 capacity = 2; uint32 closed_height = 3; ChannelPoint chan_point = 4; } message Invoice { /** An optional memo to attach along with the invoice. Used for record keeping purposes for the invoice's creator, and will also be set in the description field of the encoded payment request if the description_hash field is not being used. */ string memo = 1 [json_name = "memo"]; /// An optional cryptographic receipt of payment bytes receipt = 2 [json_name = "receipt"]; /** The hex-encoded preimage (32 byte) which will allow settling an incoming HTLC payable to this preimage */ bytes r_preimage = 3 [json_name = "r_preimage"]; /// The hash of the preimage bytes r_hash = 4 [json_name = "r_hash"]; /// The value of this invoice in satoshis int64 value = 5 [json_name = "value"]; /// Whether this invoice has been fulfilled bool settled = 6 [json_name = "settled"]; /// When this invoice was created int64 creation_date = 7 [json_name = "creation_date"]; /// When this invoice was settled int64 settle_date = 8 [json_name = "settle_date"]; /** A bare-bones invoice for a payment within the Lightning Network. With the details of the invoice, the sender has all the data necessary to send a payment to the recipient. */ string payment_request = 9 [json_name = "payment_request"]; /** Hash (SHA-256) of a description of the payment. Used if the description of payment (memo) is too long to naturally fit within the description field of an encoded payment request. */ bytes description_hash = 10 [json_name = "description_hash"]; /// Payment request expiry time in seconds. Default is 3600 (1 hour). int64 expiry = 11 [json_name = "expiry"]; /// Fallback on-chain address. string fallback_addr = 12 [json_name = "fallback_addr"]; /// Delta to use for the time-lock of the CLTV extended to the final hop. uint64 cltv_expiry = 13 [json_name = "cltv_expiry"]; } message AddInvoiceResponse { bytes r_hash = 1 [json_name = "r_hash"]; /** A bare-bones invoice for a payment within the Lightning Network. With the details of the invoice, the sender has all the data necessary to send a payment to the recipient. */ string payment_request = 2 [json_name = "payment_request"]; } message PaymentHash { /** The hex-encoded payment hash of the invoice to be looked up. The passed payment hash must be exactly 32 bytes, otherwise an error is returned. */ string r_hash_str = 1 [json_name = "r_hash_str"]; /// The payment hash of the invoice to be looked up. bytes r_hash = 2 [json_name = "r_hash"]; } message ListInvoiceRequest { /// Toggles if all invoices should be returned, or only those that are currently unsettled. bool pending_only = 1; } message ListInvoiceResponse { repeated Invoice invoices = 1 [json_name = "invoices"]; } message InvoiceSubscription { } message Payment { /// The payment hash string payment_hash = 1 [json_name = "payment_hash"]; /// The value of the payment in satoshis int64 value = 2 [json_name = "value"]; /// The date of this payment int64 creation_date = 3 [json_name = "creation_date"]; /// The path this payment took repeated string path = 4 [ json_name = "path" ]; /// The fee paid for this payment in satoshis int64 fee = 5 [json_name = "fee"]; } message ListPaymentsRequest { } message ListPaymentsResponse { /// The list of payments repeated Payment payments = 1 [json_name = "payments"]; } message DeleteAllPaymentsRequest { } message DeleteAllPaymentsResponse { } message DebugLevelRequest { bool show = 1; string level_spec = 2; } message DebugLevelResponse { string sub_systems = 1 [json_name = "sub_systems"]; } message PayReqString { /// The payment request string to be decoded string pay_req = 1; } message PayReq { string destination = 1 [json_name = "destination"]; string payment_hash = 2 [json_name = "payment_hash"]; int64 num_satoshis = 3 [json_name = "num_satoshis"]; int64 timestamp = 4 [json_name = "timestamp"]; int64 expiry = 5 [json_name = "expiry"]; string description = 6 [json_name = "description"]; string description_hash = 7 [json_name = "description_hash"]; string fallback_addr = 8 [json_name = "fallback_addr"]; int64 cltv_expiry = 9 [json_name = "cltv_expiry"]; } message FeeReportRequest {} message ChannelFeeReport { /// The channel that this fee report belongs to. string chan_point = 1 [json_name = "channel_point"]; /// The base fee charged regardless of the number of milli-satoshis sent. int64 base_fee_msat = 2 [json_name = "base_fee_msat"]; /// The amount charged per milli-satoshis transferred expressed in millionths of a satoshi. int64 fee_per_mil = 3 [json_name = "fee_per_mil"]; /// The effective fee rate in milli-satoshis. Computed by dividing the fee_per_mil value by 1 million. double fee_rate = 4 [json_name = "fee_rate"]; } message FeeReportResponse { /// An array of channel fee reports which describes the current fee schedule for each channel. repeated ChannelFeeReport channel_fees = 1 [json_name = "channel_fees"]; } message PolicyUpdateRequest { oneof scope { /// If set, then this update applies to all currently active channels. bool global = 1 [json_name = "global"] ; /// If set, this update will target a specific channel. ChannelPoint chan_point = 2 [json_name = "chan_point"]; } /// The base fee charged regardless of the number of milli-satoshis sent. int64 base_fee_msat = 3 [json_name = "base_fee_msat"]; /// The effective fee rate in milli-satoshis. The precision of this value goes up to 6 decimal places, so 1e-6. double fee_rate = 4 [json_name = "fee_rate"]; /// The required timelock delta for HTLCs forwarded over the channel. uint32 time_lock_delta = 5 [json_name = "time_lock_delta"]; } message PolicyUpdateResponse { }