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routing: abandon ChainNotifier for FilteredChainView

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This commit modifies the routing package to no longer use the
ChainNotifier for pruning the channel graph. Instead, we now use the
FilteredChainView interface to more (from the ChannelRouter’s PoV)
efficiently maintain the channel graph.

Rather than scanning the _entire_ block manually, we now rely on the
FilteredChainView to provide us with FilteredBlocks which include
_only_ the relevant transactions that we care about.
This commit is contained in:
Olaoluwa Osuntokun
2017-05-10 17:22:26 -07:00
parent 2ec0f5788e
commit 828d28581a
4 changed files with 150 additions and 113 deletions
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22
routing/log.go
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@@ -5,11 +5,12 @@ import (
"io"
"github.com/btcsuite/btclog"
"github.com/lightningnetwork/lnd/routing/chainview"
)
// log is a logger that is initialized with no output filters. This
// means the package will not perform any logging by default until the caller
// requests it.
// log is a logger that is initialized with no output filters. This means the
// package will not perform any logging by default until the caller requests
// it.
var log btclog.Logger
// The default amount of logging is none.
@@ -17,17 +18,18 @@ func init() {
DisableLog()
}
// DisableLog disables all library log output. Logging output is disabled
// by default until either UseLogger or SetLogWriter are called.
// DisableLog disables all library log output. Logging output is disabled by
// default until either UseLogger or SetLogWriter are called.
func DisableLog() {
log = btclog.Disabled
}
// UseLogger uses a specified Logger to output package logging info.
// This should be used in preference to SetLogWriter if the caller is also
// using btclog.
// UseLogger uses a specified Logger to output package logging info. This
// should be used in preference to SetLogWriter if the caller is also using
// btclog.
func UseLogger(logger btclog.Logger) {
log = logger
chainview.UseLogger(logger)
}
// SetLogWriter uses a specified io.Writer to output package logging info.
@@ -53,8 +55,8 @@ func SetLogWriter(w io.Writer, level string) error {
return nil
}
// logClosure is used to provide a closure over expensive logging operations
// so don't have to be performed when the logging level doesn't warrant it.
// logClosure is used to provide a closure over expensive logging operations so
// don't have to be performed when the logging level doesn't warrant it.
type logClosure func() string
// String invokes the underlying function and returns the result.