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go-rln
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fix: epoch calculation

This commit is contained in:
Richard Ramos 2022-07-06 12:54:21 -04:00
parent 9bd071c7fb
commit 429ea1c12a
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GPG Key ID: BD36D48BC9FFC88C
1 changed files with 6 additions and 5 deletions
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11
rln/types.go
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@ -191,6 +191,8 @@ func init() {
// the root is created locally, using createMembershipList proc from waku_rln_relay_utils module, and the result is hardcoded in here
const STATIC_GROUP_MERKLE_ROOT = "a1877a553eff12e1b21632a0545a916a5c5b8060ad7cc6c69956741134397b2d"
const EPOCH_UNIT_SECONDS = uint64(10) // the rln-relay epoch length in seconds
type Epoch [32]byte
func BytesToEpoch(b []byte) Epoch {
@ -209,15 +211,14 @@ func (e Epoch) Uint64() uint64 {
return binary.LittleEndian.Uint64(e[:])
}
// CalcEpoch gets time `t` as `float64` with subseconds resolution in the fractional part
// and returns its corresponding rln `Epoch` value
// CalcEpoch returns the corresponding rln `Epoch` value for a time.Time
func CalcEpoch(t time.Time) Epoch {
return ToEpoch(uint64(t.Unix()))
return ToEpoch(uint64(t.Unix()) / EPOCH_UNIT_SECONDS)
}
// GetCurrentEpoch gets the current rln Epoch time
func GetCurrentEpoch() Epoch {
return ToEpoch(uint64(time.Now().Unix()))
return CalcEpoch(time.Now())
}
// Diff returns the difference between the two rln `Epoch`s `e1` and `e2`
@ -228,5 +229,5 @@ func Diff(e1, e2 Epoch) int64 {
}
func (e Epoch) Time() time.Time {
return time.Unix(int64(e.Uint64()), 0)
return time.Unix(int64(e.Uint64()*EPOCH_UNIT_SECONDS), 0)
}