lotus/cli/util/epoch.go
2023-11-13 18:09:11 -06:00

47 lines
1.5 KiB
Go

package cliutil
import (
"fmt"
"time"
"github.com/hako/durafmt"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/types"
)
func EpochTime(curr, e abi.ChainEpoch) string {
switch {
case curr > e:
return fmt.Sprintf("%d (%s ago)", e, durafmt.Parse(time.Second*time.Duration(int64(build.BlockDelaySecs)*int64(curr-e))).LimitFirstN(2))
case curr == e:
return fmt.Sprintf("%d (now)", e)
case curr < e:
return fmt.Sprintf("%d (in %s)", e, durafmt.Parse(time.Second*time.Duration(int64(build.BlockDelaySecs)*int64(e-curr))).LimitFirstN(2))
}
panic("math broke")
}
// EpochTimeTs is like EpochTime, but also outputs absolute time. `ts` is only
// used to provide a timestamp at some epoch to calculate time from. It can be
// a genesis tipset.
//
// Example output: `1944975 (01 Jul 22 08:07 CEST, 10 hours 29 minutes ago)`
func EpochTimeTs(curr, e abi.ChainEpoch, ts *types.TipSet) string {
timeStr := time.Unix(int64(ts.MinTimestamp()+(uint64(e-ts.Height())*build.BlockDelaySecs)), 0).Format(time.RFC822)
switch {
case curr > e:
return fmt.Sprintf("%d (%s, %s ago)", e, timeStr, durafmt.Parse(time.Second*time.Duration(int64(build.BlockDelaySecs)*int64(curr-e))).LimitFirstN(2))
case curr == e:
return fmt.Sprintf("%d (%s, now)", e, timeStr)
case curr < e:
return fmt.Sprintf("%d (%s, in %s)", e, timeStr, durafmt.Parse(time.Second*time.Duration(int64(build.BlockDelaySecs)*int64(e-curr))).LimitFirstN(2))
}
panic("math broke")
}