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go/stellar/options.go
52 строки
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Miles Steele
crenamef (#16198)
28 фев 2019, 19:58
Не верифицирован
28 фев 2019, 19:58
6ae59e7
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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 }