/
options.go
52 lines (43 loc) · 1.16 KB
/
options.go
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package stellar
import (
"sync"
"time"
"github.com/keybase/client/go/libkb"
"github.com/keybase/client/go/protocol/stellar1"
"github.com/keybase/client/go/stellar/remote"
"github.com/stellar/go/build"
)
// Options holds dynamic options for clients to use when preparing
// stellar transactions.
type Options struct {
network stellar1.NetworkOptions
mtime time.Time
sync.Mutex
}
func NewOptions() *Options {
return &Options{}
}
// NetworkOptions returns stellar1.NetworkOptions that is less than 1 hour old.
func (o *Options) NetworkOptions(mctx libkb.MetaContext, r remote.Remoter) stellar1.NetworkOptions {
o.Lock()
defer o.Unlock()
if time.Since(o.mtime) < 1*time.Hour {
return o.network
}
options, err := r.NetworkOptions(mctx.Ctx())
if err != nil {
mctx.Debug("error calling NetworkOptions: %s", err)
} else {
mctx.Debug("updating NetworkOptions: %+v", options)
o.network = options
o.mtime = time.Now()
}
return o.network
}
func (o *Options) BaseFee(mctx libkb.MetaContext, r remote.Remoter) uint64 {
options := o.NetworkOptions(mctx, r)
if options.BaseFee < build.DefaultBaseFee {
return build.DefaultBaseFee
}
return options.BaseFee
}