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light client : failsafe crate (circuit breaker) (#9790)

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* refactor(light) : N/W calls with `circuit breaker`

* fix(nits) : forgot to commit new files

* Add tests and change CLI args

* Address grumbles

* fix(failsafe-rs) : Santize input to prevent panics

* chore(failsafe) : bump failsafe, (parking_lot)

Bump failsafe to v0.3.0 to enable `parking_lot::Mutex` instead
`spin::Mutex`

* Remove `success_rate`

* feat(circuit_breaker logger)

* feat(CLI): separate CLI args request and response

* Fix tests

* Error response provide request kind

When a reponse `times-out` provide the actual request or requests that failed

* Update ethcore/light/src/on_demand/mod.rs

Co-Authored-By: niklasad1 <niklasadolfsson1@gmail.com>

* Update ethcore/light/src/on_demand/mod.rs

Co-Authored-By: niklasad1 <niklasadolfsson1@gmail.com>

* fix(grumbles): formatting nit

* fix(grumbles)

* Use second resolution on CLI args
* Use `consecutive failure policy` instead of `timeOverWindow`
* Add a couple of tests for `request_guard`

* fix(request_guard): off-by-one error, update tests
This commit is contained in:
Niklas Adolfsson
2018-12-05 10:36:53 +01:00
committed by Afri Schoedon
parent ec886ddefb
commit 7fb33796b1
13 changed files with 652 additions and 158 deletions
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4
rpc/src/v1/helpers/errors.rs
View File

@@ -523,8 +523,8 @@ pub fn filter_block_not_found(id: BlockId) -> Error {
pub fn on_demand_error(err: OnDemandError) -> Error {
match err {
OnDemandError(OnDemandErrorKind::ChannelCanceled(e), _) => on_demand_cancel(e),
OnDemandError(OnDemandErrorKind::MaxAttemptReach(_), _) => max_attempts_reached(&err),
OnDemandError(OnDemandErrorKind::TimeoutOnNewPeers(_,_), _) => timeout_new_peer(&err),
OnDemandError(OnDemandErrorKind::RequestLimit, _) => timeout_new_peer(&err),
OnDemandError(OnDemandErrorKind::BadResponse(_), _) => max_attempts_reached(&err),
_ => on_demand_others(&err),
}
}