Update lnd to v0.14.2 (#4040)

lnd-rpc/lnd-rpc.sbt

@@ -26,7 +26,7 @@ TaskKeys.downloadLnd := {
     Files.createDirectories(binaryDir)
   }
 
-  val version = "0.14.1-beta"
+  val version = "0.14.2-beta"
 
   val (platform, suffix) =
     if (Properties.isLinux) ("linux-amd64", "tar.gz")
@@ -59,11 +59,11 @@ TaskKeys.downloadLnd := {
 
     val expectedHash =
       if (Properties.isLinux)
-        "7034e4aea3f404a9bbb1d157653741eb0e020c3d3272f854d3e2cefa0070f24a"
+        "7e0f290716e3c246305e176310a9a49aaafc9c243adc829631094a409cfd0ef1"
       else if (Properties.isMac)
-        "046409faf7e5049d6ddfdbe2a556fa0b5e6cc651bccce039c6f736b72390ad1d"
+        "c9f9bab9209a329407c4ba42b7b177b5e9edcab936e0a6c84593b09369ef43c5"
       else if (Properties.isWin)
-        "661d0538ca04c4f890d3d9a72717916f41350e810ae06f884e7ed97b38bf783f"
+        "c0060c000b11f440c5cc1675ec23820a67eae2cca7a881d430b78109d707b543"
       else sys.error(s"Unsupported OS: ${Properties.osName}")
 
     if (hash.equalsIgnoreCase(expectedHash)) {

lnd-rpc/src/main/protobuf/lightning.proto

@@ -753,7 +753,8 @@ message SendRequest {
     The maximum number of satoshis that will be paid as a fee of the payment.
     This value can be represented either as a percentage of the amount being
     sent, or as a fixed amount of the maximum fee the user is willing the pay to
-    send the payment.
+    send the payment. If not specified, lnd will use a default value of 100%
+    fees for small amounts (<=1k sat) or 5% fees for larger amounts.
     */
     FeeLimit fee_limit = 8;
 
@@ -2312,6 +2313,9 @@ message PendingChannelsResponse {
 
         // Total number of forwarding packages created in this channel.
         int64 num_forwarding_packages = 10;
+
+        // A set of flags showing the current state of the channel.
+        string chan_status_flags = 11;
     }
 
     message PendingOpenChannel {
@@ -2353,6 +2357,9 @@ message PendingChannelsResponse {
         this point.
         */
         Commitments commitments = 3;
+
+        // The transaction id of the closing transaction
+        string closing_txid = 4;
     }
 
     message Commitments {
@@ -2565,7 +2572,8 @@ message QueryRoutesRequest {
     The maximum number of satoshis that will be paid as a fee of the payment.
     This value can be represented either as a percentage of the amount being
     sent, or as a fixed amount of the maximum fee the user is willing the pay to
-    send the payment.
+    send the payment. If not specified, lnd will use a default value of 100%
+    fees for small amounts (<=1k sat) or 5% fees for larger amounts.
     */
     FeeLimit fee_limit = 5;
 
@@ -3742,6 +3750,9 @@ message PolicyUpdateRequest {
     // goes up to 6 decimal places, so 1e-6.
     double fee_rate = 4;
 
+    // The effective fee rate in micro-satoshis (parts per million).
+    uint32 fee_rate_ppm = 9;
+
     // The required timelock delta for HTLCs forwarded over the channel.
     uint32 time_lock_delta = 5;
 

lnd-rpc/src/main/protobuf/walletrpc/walletkit.proto

@@ -200,6 +200,21 @@ service WalletKit {
   */
   rpc FundPsbt (FundPsbtRequest) returns (FundPsbtResponse);
 
+  /*
+  SignPsbt expects a partial transaction with all inputs and outputs fully
+  declared and tries to sign all unsigned inputs that have all required fields
+  (UTXO information, BIP32 derivation information, witness or sig scripts)
+  set.
+  If no error is returned, the PSBT is ready to be given to the next signer or
+  to be finalized if lnd was the last signer.
+
+  NOTE: This RPC only signs inputs (and only those it can sign), it does not
+  perform any other tasks (such as coin selection, UTXO locking or
+  input/output/fee value validation, PSBT finalization). Any input that is
+  incomplete will be skipped.
+  */
+  rpc SignPsbt (SignPsbtRequest) returns (SignPsbtResponse);
+
   /*
   FinalizePsbt expects a partial transaction with all inputs and outputs fully
   declared and tries to sign all inputs that belong to the wallet. Lnd must be
@@ -820,6 +835,19 @@ message UtxoLease {
   uint64 expiration = 3;
 }
 
+message SignPsbtRequest {
+  /*
+  The PSBT that should be signed. The PSBT must contain all required inputs,
+  outputs, UTXO data and custom fields required to identify the signing key.
+  */
+  bytes funded_psbt = 1;
+}
+
+message SignPsbtResponse {
+  // The signed transaction in PSBT format.
+  bytes signed_psbt = 1;
+}
+
 message FinalizePsbtRequest {
   /*
   A PSBT that should be signed and finalized. The PSBT must contain all

lnd-rpc/src/main/scala/org/bitcoins/lnd/rpc/LndRpcClient.scala

@@ -856,7 +856,7 @@ object LndRpcClient {
     hex"8c45ee0b90e3afd0fb4d6f39afa3c5d551ee5f2c7ac2d06820ed3d16582186d2"
 
   /** The current version we support of Lnd */
-  private[bitcoins] val version = "v0.14.1-beta"
+  private[bitcoins] val version = "v0.14.2-beta"
 
   /** Key used for adding the macaroon to the gRPC header */
   private[lnd] val macaroonKey = "macaroon"