_ 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::chain::transaction::OutPoint;
  11 use crate::sign::SpendableOutputDescriptor;
  12
  13 use bitcoin::hash_types::Txid;
  14 use bitcoin::blockdata::transaction::Transaction;
  15
  16 use crate::routing::router::Route;
  17 use crate::ln::chan_utils::HTLCClaim;
  18
  19 macro_rules! log_iter {
  20         ($obj: expr) => {
  21                 $crate::util::logger::DebugIter($obj)
  22         }
  23 }
  24
  25 /// Logs a pubkey in hex format.
  26 #[macro_export]
  27 macro_rules! log_pubkey {
  28         ($obj: expr) => {
  29                 $crate::util::logger::DebugPubKey(&$obj)
  30         }
  31 }
  32
  33 /// Logs a byte slice in hex format.
  34 #[macro_export]
  35 macro_rules! log_bytes {
  36         ($obj: expr) => {
  37                 $crate::util::logger::DebugBytes(&$obj)
  38         }
  39 }
  40
  41 pub(crate) struct DebugFundingChannelId<'a>(pub &'a Txid, pub u16);
  42 impl<'a> core::fmt::Display for DebugFundingChannelId<'a> {
  43         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
  44                 (OutPoint { txid: self.0.clone(), index: self.1 }).to_channel_id().fmt(f)
  45         }
  46 }
  47 macro_rules! log_funding_channel_id {
  48         ($funding_txid: expr, $funding_txo: expr) => {
  49                 $crate::util::macro_logger::DebugFundingChannelId(&$funding_txid, $funding_txo)
  50         }
  51 }
  52
  53 pub(crate) struct DebugFundingInfo<'a, T: 'a>(pub &'a (OutPoint, T));
  54 impl<'a, T> core::fmt::Display for DebugFundingInfo<'a, T> {
  55         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
  56                 (self.0).0.to_channel_id().fmt(f)
  57         }
  58 }
  59 macro_rules! log_funding_info {
  60         ($key_storage: expr) => {
  61                 $crate::util::macro_logger::DebugFundingInfo(&$key_storage.get_funding_txo())
  62         }
  63 }
  64
  65 pub(crate) struct DebugRoute<'a>(pub &'a Route);
  66 impl<'a> core::fmt::Display for DebugRoute<'a> {
  67         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
  68                 for (idx, p) in self.0.paths.iter().enumerate() {
  69                         writeln!(f, "path {}:", idx)?;
  70                         for h in p.hops.iter() {
  71                                 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)?;
  72                         }
  73                         writeln!(f, " blinded_tail: {:?}", p.blinded_tail)?;
  74                 }
  75                 Ok(())
  76         }
  77 }
  78 macro_rules! log_route {
  79         ($obj: expr) => {
  80                 $crate::util::macro_logger::DebugRoute(&$obj)
  81         }
  82 }
  83
  84 pub(crate) struct DebugTx<'a>(pub &'a Transaction);
  85 impl<'a> core::fmt::Display for DebugTx<'a> {
  86         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
  87                 if self.0.input.len() >= 1 && self.0.input.iter().any(|i| !i.witness.is_empty()) {
  88                         let first_input = &self.0.input[0];
  89                         let witness_script_len = first_input.witness.last().unwrap_or(&[]).len();
  90                         if self.0.input.len() == 1 && witness_script_len == 71 &&
  91                                         (first_input.sequence.0 >> 8*3) as u8 == 0x80 {
  92                                 write!(f, "commitment tx ")?;
  93                         } else if self.0.input.len() == 1 && witness_script_len == 71 {
  94                                 write!(f, "closing tx ")?;
  95                         } else if self.0.input.len() == 1 && HTLCClaim::from_witness(&first_input.witness) == Some(HTLCClaim::OfferedTimeout) {
  96                                 write!(f, "HTLC-timeout tx ")?;
  97                         } else if self.0.input.len() == 1 && HTLCClaim::from_witness(&first_input.witness) == Some(HTLCClaim::AcceptedPreimage) {
  98                                 write!(f, "HTLC-success tx ")?;
  99                         } else {
 100                                 let mut num_preimage = 0;
 101                                 let mut num_timeout = 0;
 102                                 let mut num_revoked = 0;
 103                                 for inp in &self.0.input {
 104                                         let htlc_claim = HTLCClaim::from_witness(&inp.witness);
 105                                         match htlc_claim {
 106                                                 Some(HTLCClaim::AcceptedPreimage)|Some(HTLCClaim::OfferedPreimage) => num_preimage += 1,
 107                                                 Some(HTLCClaim::AcceptedTimeout)|Some(HTLCClaim::OfferedTimeout) => num_timeout += 1,
 108                                                 Some(HTLCClaim::Revocation) => num_revoked += 1,
 109                                                 None => continue,
 110                                         }
 111                                 }
 112                                 if num_preimage > 0 || num_timeout > 0 || num_revoked > 0 {
 113                                         write!(f, "HTLC claim tx ({} preimage, {} timeout, {} revoked) ",
 114                                                 num_preimage, num_timeout, num_revoked)?;
 115                                 }
 116                         }
 117                 } else {
 118                         debug_assert!(false, "We should never generate unknown transaction types");
 119                         write!(f, "unknown tx type ").unwrap();
 120                 }
 121                 write!(f, "with txid {}", self.0.txid())?;
 122                 Ok(())
 123         }
 124 }
 125
 126 macro_rules! log_tx {
 127         ($obj: expr) => {
 128                 $crate::util::macro_logger::DebugTx(&$obj)
 129         }
 130 }
 131
 132 pub(crate) struct DebugSpendable<'a>(pub &'a SpendableOutputDescriptor);
 133 impl<'a> core::fmt::Display for DebugSpendable<'a> {
 134         fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
 135                 match self.0 {
 136                         &SpendableOutputDescriptor::StaticOutput { ref outpoint, .. } => {
 137                                 write!(f, "StaticOutput {}:{} marked for spending", outpoint.txid, outpoint.index)?;
 138                         }
 139                         &SpendableOutputDescriptor::DelayedPaymentOutput(ref descriptor) => {
 140                                 write!(f, "DelayedPaymentOutput {}:{} marked for spending", descriptor.outpoint.txid, descriptor.outpoint.index)?;
 141                         }
 142                         &SpendableOutputDescriptor::StaticPaymentOutput(ref descriptor) => {
 143                                 write!(f, "StaticPaymentOutput {}:{} marked for spending", descriptor.outpoint.txid, descriptor.outpoint.index)?;
 144                         }
 145                 }
 146                 Ok(())
 147         }
 148 }
 149
 150 macro_rules! log_spendable {
 151         ($obj: expr) => {
 152                 $crate::util::macro_logger::DebugSpendable(&$obj)
 153         }
 154 }
 155
 156 /// Create a new Record and log it. You probably don't want to use this macro directly,
 157 /// but it needs to be exported so `log_trace` etc can use it in external crates.
 158 #[doc(hidden)]
 159 #[macro_export]
 160 macro_rules! log_internal {
 161         ($logger: expr, $lvl:expr, $($arg:tt)+) => (
 162                 $logger.log($crate::util::logger::Record::new($lvl, format_args!($($arg)+), module_path!(), file!(), line!()))
 163         );
 164 }
 165
 166 /// Logs an entry at the given level.
 167 #[doc(hidden)]
 168 #[macro_export]
 169 macro_rules! log_given_level {
 170         ($logger: expr, $lvl:expr, $($arg:tt)+) => (
 171                 match $lvl {
 172                         #[cfg(not(any(feature = "max_level_off")))]
 173                         $crate::util::logger::Level::Error => $crate::log_internal!($logger, $lvl, $($arg)*),
 174                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error")))]
 175                         $crate::util::logger::Level::Warn => $crate::log_internal!($logger, $lvl, $($arg)*),
 176                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn")))]
 177                         $crate::util::logger::Level::Info => $crate::log_internal!($logger, $lvl, $($arg)*),
 178                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info")))]
 179                         $crate::util::logger::Level::Debug => $crate::log_internal!($logger, $lvl, $($arg)*),
 180                         #[cfg(not(any(feature = "max_level_off", feature = "max_level_error", feature = "max_level_warn", feature = "max_level_info", feature = "max_level_debug")))]
 181                         $crate::util::logger::Level::Trace => $crate::log_internal!($logger, $lvl, $($arg)*),
 182                         #[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")))]
 183                         $crate::util::logger::Level::Gossip => $crate::log_internal!($logger, $lvl, $($arg)*),
 184
 185                         #[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"))]
 186                         _ => {
 187                                 // The level is disabled at compile-time
 188                         },
 189                 }
 190         );
 191 }
 192
 193 /// Log at the `ERROR` level.
 194 #[macro_export]
 195 macro_rules! log_error {
 196         ($logger: expr, $($arg:tt)*) => (
 197                 $crate::log_given_level!($logger, $crate::util::logger::Level::Error, $($arg)*);
 198         )
 199 }
 200
 201 /// Log at the `WARN` level.
 202 #[macro_export]
 203 macro_rules! log_warn {
 204         ($logger: expr, $($arg:tt)*) => (
 205                 $crate::log_given_level!($logger, $crate::util::logger::Level::Warn, $($arg)*);
 206         )
 207 }
 208
 209 /// Log at the `INFO` level.
 210 #[macro_export]
 211 macro_rules! log_info {
 212         ($logger: expr, $($arg:tt)*) => (
 213                 $crate::log_given_level!($logger, $crate::util::logger::Level::Info, $($arg)*);
 214         )
 215 }
 216
 217 /// Log at the `DEBUG` level.
 218 #[macro_export]
 219 macro_rules! log_debug {
 220         ($logger: expr, $($arg:tt)*) => (
 221                 $crate::log_given_level!($logger, $crate::util::logger::Level::Debug, $($arg)*);
 222         )
 223 }
 224
 225 /// Log at the `TRACE` level.
 226 #[macro_export]
 227 macro_rules! log_trace {
 228         ($logger: expr, $($arg:tt)*) => (
 229                 $crate::log_given_level!($logger, $crate::util::logger::Level::Trace, $($arg)*)
 230         )
 231 }
 232
 233 /// Log at the `GOSSIP` level.
 234 #[macro_export]
 235 macro_rules! log_gossip {
 236         ($logger: expr, $($arg:tt)*) => (
 237                 $crate::log_given_level!($logger, $crate::util::logger::Level::Gossip, $($arg)*);
 238         )
 239 }