+++ /dev/null
-//! Error types live here.
-
-use std::fmt;
-
-/// Indicates an error on the client's part (usually some variant of attempting to use too-low or
-/// too-high values)
-pub enum APIError {
- /// Indicates the API was wholly misused (see err for more). Cases where these can be returned
- /// are documented, but generally indicates some precondition of a function was violated.
- APIMisuseError {
- /// A human-readable error message
- err: &'static str
- },
- /// Due to a high feerate, we were unable to complete the request.
- /// For example, this may be returned if the feerate implies we cannot open a channel at the
- /// requested value, but opening a larger channel would succeed.
- FeeRateTooHigh {
- /// A human-readable error message
- err: String,
- /// The feerate which was too high.
- feerate: u64
- },
- /// A malformed Route was provided (eg overflowed value, node id mismatch, overly-looped route,
- /// too-many-hops, etc).
- RouteError {
- /// A human-readable error message
- err: &'static str
- },
- /// We were unable to complete the request as the Channel required to do so is unable to
- /// complete the request (or was not found). This can take many forms, including disconnected
- /// peer, channel at capacity, channel shutting down, etc.
- ChannelUnavailable {
- /// A human-readable error message
- err: &'static str
- },
- /// An attempt to call add_update_monitor returned an Err (ie you did this!), causing the
- /// attempted action to fail.
- MonitorUpdateFailed,
-}
-
-impl fmt::Debug for APIError {
- fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- match *self {
- APIError::APIMisuseError {ref err} => f.write_str(err),
- APIError::FeeRateTooHigh {ref err, ref feerate} => write!(f, "{} feerate: {}", err, feerate),
- APIError::RouteError {ref err} => f.write_str(err),
- APIError::ChannelUnavailable {ref err} => f.write_str(err),
- APIError::MonitorUpdateFailed => f.write_str("Client indicated a channel monitor update failed"),
- }
- }
-}
-
-#[inline]
-pub(crate) fn get_onion_debug_field(error_code: u16) -> (&'static str, usize) {
- match error_code & 0xff {
- 4|5|6 => ("sha256_of_onion", 32),
- 11|12 => ("htlc_msat", 8),
- 13|18 => ("cltv_expiry", 4),
- 19 => ("incoming_htlc_msat", 8),
- 20 => ("flags", 2),
- _ => ("", 0),
- }
-}
-
-#[inline]
-pub(crate) fn get_onion_error_description(error_code: u16) -> (&'static str, &'static str) {
- const BADONION: u16 = 0x8000;
- const PERM: u16 = 0x4000;
- const NODE: u16 = 0x2000;
- const UPDATE: u16 = 0x1000;
- match error_code {
- _c if _c == PERM|1 => ("The realm byte was not understood by the processing node", "invalid_realm"),
- _c if _c == NODE|2 => ("Node indicated temporary node failure", "temporary_node_failure"),
- _c if _c == PERM|NODE|2 => ("Node indicated permanent node failure", "permanent_node_failure"),
- _c if _c == PERM|NODE|3 => ("Node indicated the required node feature is missing in the onion", "required_node_feature_missing"),
- _c if _c == BADONION|PERM|4 => ("Node indicated the version by is not understood", "invalid_onion_version"),
- _c if _c == BADONION|PERM|5 => ("Node indicated the HMAC of the onion is incorrect", "invalid_onion_hmac"),
- _c if _c == BADONION|PERM|6 => ("Node indicated the ephemeral public keys is not parseable", "invalid_onion_key"),
- _c if _c == UPDATE|7 => ("Node indicated the outgoing channel is unable to handle the HTLC temporarily", "temporary_channel_failure"),
- _c if _c == PERM|8 => ("Node indicated the outgoing channel is unable to handle the HTLC peramanently", "permanent_channel_failure"),
- _c if _c == PERM|9 => ("Node indicated the required feature for the outgoing channel is not satisfied", "required_channel_feature_missing"),
- _c if _c == PERM|10 => ("Node indicated the outbound channel is not found for the specified short_channel_id in the onion packet", "unknown_next_peer"),
- _c if _c == UPDATE|11 => ("Node indicated the HTLC amount was below the required minmum for the outbound channel", "amount_below_minimum"),
- _c if _c == UPDATE|12 => ("Node indicated the fee amount does not meet the required level", "fee_insufficient"),
- _c if _c == UPDATE|13 => ("Node indicated the cltv_expiry does not comply with the cltv_expiry_delta required by the outgoing channel", "incorrect_cltv_expiry"),
- _c if _c == UPDATE|14 => ("Node indicated the CLTV expiry too close to the current block height for safe handling", "expiry_too_soon"),
- _c if _c == PERM|15 => ("The final node indicated the payment hash is unknown or amount is incorrect", "incorrect_or_unknown_payment_details"),
- _c if _c == PERM|16 => ("The final node indicated the payment amount is incorrect", "incorrect_payment_amount"),
- _c if _c == 17 => ("The final node indicated the CLTV expiry is too close to the current block height for safe handling", "final_expiry_too_soon"),
- _c if _c == 18 => ("The final node indicated the CLTV expiry in the HTLC does not match the value in the onion", "final_incorrect_cltv_expiry"),
- _c if _c == 19 => ("The final node indicated the amount in the HTLC does not match the value in the onion", "final_incorrect_htlc_amount"),
- _c if _c == UPDATE|20 => ("Node indicated the outbound channel has been disabled", "channel_disabled"),
- _c if _c == 21 => ("Node indicated the CLTV expiry in the HTLC is too far in the future", "expiry_too_far"),
- _ => ("Unknown", ""),
- }
-}
projects / rust-lightning / blobdiff