_ Git - rust-lightning/blob - lightning/src/util/macro_logger.rs

   1 // This file is Copyright its original authors, visible in version control
   2 // history.
   3 //
   4 // This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
   5 // or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
   7 // You may not use this file except in accordance with one or both of these
   8 // licenses.
   9
  10 use crate::ln::ChannelId;
  11 use crate::sign::SpendableOutputDescriptor;
  12
  13 use bitcoin::blockdata::transaction::Transaction;
  14
  15 use crate::routing::router::Route;
  16 use crate::ln::chan_utils::HTLCClaim;
  17
  18 macro_rules! log_iter {
  19         ($obj: expr) => {
  20                 $crate::util::logger::DebugIter($obj)
  21         }
  22 }
  23
  24 /// Logs a pubkey in hex format.
  25 #[macro_export]
  26 macro_rules! log_pubkey {
  27         ($obj: expr) => {
  28                 $crate::util::logger::DebugPubKey(&$obj)
  29         }
  30 }
  31
  32 /// Logs a byte slice in hex format.
  33 #[macro_export]
  34 macro_rules! log_bytes {
  35         ($obj: expr) => {
  36                 $crate::util::logger::DebugBytes(&$obj)
  37         }
  38 }
  39
  40 pub(crate) struct DebugFundingInfo<'a>(pub &'a ChannelId);
  41 impl<'a> core::fmt::Display for DebugFundingInfo<'a> {
  42         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
  43                 self.0.fmt(f)
  44         }
  45 }
  46 macro_rules! log_funding_info {
  47         ($key_storage: expr) => {
  48                 $crate::util::macro_logger::DebugFundingInfo(
  49                         &$key_storage.channel_id()
  50                 )
  51         }
  52 }
  53
  54 pub(crate) struct DebugRoute<'a>(pub &'a Route);
  55 impl<'a> core::fmt::Display for DebugRoute<'a> {
  56         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
  57                 for (idx, p) in self.0.paths.iter().enumerate() {
  58                         writeln!(f, "path {}:", idx)?;
  59                         for h in p.hops.iter() {
  60                                 writeln!(f, " node_id: {}, short_channel_id: {}, fee_msat: {}, cltv_expiry_delta: {}", log_pubkey!(h.pubkey), h.short_channel_id, h.fee_msat, h.cltv_expiry_delta)?;
  61                         }
  62                         writeln!(f, " blinded_tail: {:?}", p.blinded_tail)?;
  63                 }
  64                 Ok(())
  65         }
  66 }
  67 macro_rules! log_route {
  68         ($obj: expr) => {
  69                 $crate::util::macro_logger::DebugRoute(&$obj)
  70         }
  71 }
  72
  73 pub(crate) struct DebugTx<'a>(pub &'a Transaction);
  74 impl<'a> core::fmt::Display for DebugTx<'a> {
  75         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
  76                 if self.0.input.len() >= 1 && self.0.input.iter().any(|i| !i.witness.is_empty()) {
  77                         let first_input = &self.0.input[0];
  78                         let witness_script_len = first_input.witness.last().unwrap_or(&[]).len();
  79                         if self.0.input.len() == 1 && witness_script_len == 71 &&
  80                                         (first_input.sequence.0 >> 8*3) as u8 == 0x80 {
  81                                 write!(f, "commitment tx ")?;
  82                         } else if self.0.input.len() == 1 && witness_script_len == 71 {
  83                                 write!(f, "closing tx ")?;
  84                         } else if self.0.input.len() == 1 && HTLCClaim::from_witness(&first_input.witness) == Some(HTLCClaim::OfferedTimeout) {
  85                                 write!(f, "HTLC-timeout tx ")?;
  86                         } else if self.0.input.len() == 1 && HTLCClaim::from_witness(&first_input.witness) == Some(HTLCClaim::AcceptedPreimage) {
  87                                 write!(f, "HTLC-success tx ")?;
  88                         } else {
  89                                 let mut num_preimage = 0;
  90                                 let mut num_timeout = 0;
  91                                 let mut num_revoked = 0;
  92                                 for inp in &self.0.input {
  93                                         let htlc_claim = HTLCClaim::from_witness(&inp.witness);
  94                                         match htlc_claim {
  95                                                 Some(HTLCClaim::AcceptedPreimage)|Some(HTLCClaim::OfferedPreimage) => num_preimage += 1,
  96                                                 Some(HTLCClaim::AcceptedTimeout)|Some(HTLCClaim::OfferedTimeout) => num_timeout += 1,
  97                                                 Some(HTLCClaim::Revocation) => num_revoked += 1,
  98                                                 None => continue,
  99                                         }
 100                                 }
 101                                 if num_preimage > 0 || num_timeout > 0 || num_revoked > 0 {
 102                                         write!(f, "HTLC claim tx ({} preimage, {} timeout, {} revoked) ",
 103                                                 num_preimage, num_timeout, num_revoked)?;
 104                                 }
 105                         }
 106                 } else {
 107                         debug_assert!(false, "We should never generate unknown transaction types");
 108                         write!(f, "unknown tx type ").unwrap();
 109                 }
 110                 write!(f, "with txid {}", self.0.txid())?;
 111                 Ok(())
 112         }
 113 }
 114
 115 macro_rules! log_tx {
 116         ($obj: expr) => {
 117                 $crate::util::macro_logger::DebugTx(&$obj)
 118         }
 119 }
 120
 121 pub(crate) struct DebugSpendable<'a>(pub &'a SpendableOutputDescriptor);
 122 impl<'a> core::fmt::Display for DebugSpendable<'a> {
 123         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
 124                 match self.0 {
 125                         &SpendableOutputDescriptor::StaticOutput { ref outpoint, .. } => {
 126                                 write!(f, "StaticOutput {}:{} marked for spending", outpoint.txid, outpoint.index)?;
 127                         }
 128                         &SpendableOutputDescriptor::DelayedPaymentOutput(ref descriptor) => {
 129                                 write!(f, "DelayedPaymentOutput {}:{} marked for spending", descriptor.outpoint.txid, descriptor.outpoint.index)?;
 130                         }
 131                         &SpendableOutputDescriptor::StaticPaymentOutput(ref descriptor) => {
 132                                 write!(f, "StaticPaymentOutput {}:{} marked for spending", descriptor.outpoint.txid, descriptor.outpoint.index)?;
 133                         }
 134                 }
 135                 Ok(())
 136         }
 137 }
 138
 139 macro_rules! log_spendable {
 140         ($obj: expr) => {
 141                 $crate::util::macro_logger::DebugSpendable(&$obj)
 142         }
 143 }
 144
 145 /// Create a new Record and log it. You probably don't want to use this macro directly,
 146 /// but it needs to be exported so `log_trace` etc can use it in external crates.
 147 #[doc(hidden)]
 148 #[macro_export]
 149 macro_rules! log_internal {
 150         ($logger: expr, $lvl:expr, $($arg:tt)+) => (
 151                 $logger.log($crate::util::logger::Record::new($lvl, None, None, format_args!($($arg)+), module_path!(), file!(), line!()))
 152         );
 153 }
 154
 155 /// Logs an entry at the given level.
 156 #[doc(hidden)]
 157 #[macro_export]
 158 macro_rules! log_given_level {
 159         ($logger: expr, $lvl:expr, $($arg:tt)+) => (
 160                 match $lvl {
 161                         #[cfg(not(any(feature = "max_level_off")))]
 162                         $crate::util::logger::Level::Error => $crate::log_internal!($logger, $lvl, $($arg)*),
 163                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error")))]
 164                         $crate::util::logger::Level::Warn => $crate::log_internal!($logger, $lvl, $($arg)*),
 165                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn")))]
 166                         $crate::util::logger::Level::Info => $crate::log_internal!($logger, $lvl, $($arg)*),
 167                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info")))]
 168                         $crate::util::logger::Level::Debug => $crate::log_internal!($logger, $lvl, $($arg)*),
 169                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info", feature = "max_level_debug")))]
 170                         $crate::util::logger::Level::Trace => $crate::log_internal!($logger, $lvl, $($arg)*),
 171                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info", feature = "max_level_debug", feature = "max_level_trace")))]
 172                         $crate::util::logger::Level::Gossip => $crate::log_internal!($logger, $lvl, $($arg)*),
 173
 174                         #[cfg(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info", feature = "max_level_debug", feature = "max_level_trace"))]
 175                         _ => {
 176                                 // The level is disabled at compile-time
 177                         },
 178                 }
 179         );
 180 }
 181
 182 /// Log at the `ERROR` level.
 183 #[macro_export]
 184 macro_rules! log_error {
 185         ($logger: expr, $($arg:tt)*) => (
 186                 $crate::log_given_level!($logger, $crate::util::logger::Level::Error, $($arg)*);
 187         )
 188 }
 189
 190 /// Log at the `WARN` level.
 191 #[macro_export]
 192 macro_rules! log_warn {
 193         ($logger: expr, $($arg:tt)*) => (
 194                 $crate::log_given_level!($logger, $crate::util::logger::Level::Warn, $($arg)*);
 195         )
 196 }
 197
 198 /// Log at the `INFO` level.
 199 #[macro_export]
 200 macro_rules! log_info {
 201         ($logger: expr, $($arg:tt)*) => (
 202                 $crate::log_given_level!($logger, $crate::util::logger::Level::Info, $($arg)*);
 203         )
 204 }
 205
 206 /// Log at the `DEBUG` level.
 207 #[macro_export]
 208 macro_rules! log_debug {
 209         ($logger: expr, $($arg:tt)*) => (
 210                 $crate::log_given_level!($logger, $crate::util::logger::Level::Debug, $($arg)*);
 211         )
 212 }
 213
 214 /// Log at the `TRACE` level.
 215 #[macro_export]
 216 macro_rules! log_trace {
 217         ($logger: expr, $($arg:tt)*) => (
 218                 $crate::log_given_level!($logger, $crate::util::logger::Level::Trace, $($arg)*)
 219         )
 220 }
 221
 222 /// Log at the `GOSSIP` level.
 223 #[macro_export]
 224 macro_rules! log_gossip {
 225         ($logger: expr, $($arg:tt)*) => (
 226                 $crate::log_given_level!($logger, $crate::util::logger::Level::Gossip, $($arg)*);
 227         )
 228 }