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GSW-1035 feat: check normal time-range for incentive creation #212

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Apr 29, 2024
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GSW-1035 feat: check normal time-range for incentive creation #212

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16 changes: 16 additions & 0 deletions staker/staker.gno
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package staker

import (
"std"
"strconv"
"time"

"gno.land/p/demo/ufmt"
Expand Down Expand Up @@ -31,6 +32,8 @@ const (
TIMESTAMP_180DAYS = 15552000
TIMESTAMP_365DAYS = 31536000

MAX_UNIX_EPOCH_TIME = 253402300799 // 9999-12-31 23:59:59

MUST_EXISTS_IN_TIER_1 = "gno.land/r/demo/gns:gno.land/r/demo/wugnot:3000"
)

Expand Down Expand Up @@ -59,10 +62,16 @@ func CreateExternalIncentive(

rewardAmount := u256.MustFromDecimal(_rewardAmount)

// must be in seconds format, not milliseconds
// must be at least +1 day midnight
// must be midnight of the day
checkStartTime(startTimestamp)

// endTimestamp cannot be later than 253402300799 (9999-12-31 23:59:59)
if endTimestamp >= MAX_UNIX_EPOCH_TIME {
panic(ufmt.Sprintf("[STAKER] staker.gno__CreateExternalIncentive() || endTimestamp(%d) cannot be later than 253402300799 (9999-12-31 23:59:59)", endTimestamp))
}

externalDuration := uint64(endTimestamp - startTimestamp)
if !(externalDuration == TIMESTAMP_90DAYS || externalDuration == TIMESTAMP_180DAYS || externalDuration == TIMESTAMP_365DAYS) {
panic(ufmt.Sprintf("[STAKER] staker.gno__CreateExternalIncentive() || externalDuration(%d) must be 90, 180, 365 days)", externalDuration))
Expand Down Expand Up @@ -284,6 +293,13 @@ func EndExternalIncentive(_refundee, targetPoolPath, rewardToken string) {
}

func checkStartTime(startTimestamp int64) {
// must be in seconds format, not milliseconds
// REF: https://stackoverflow.com/a/23982005
numStr := strconv.Itoa(int(startTimestamp))
if len(numStr) >= 13 {
panic(ufmt.Sprintf("[STAKER] staker.gno__checkStartTime() || startTimestamp(%d) must be in seconds format, not milliseconds", startTimestamp))
}

// must be at least +1 day midnight
tomorrowMidnight := time.Now().AddDate(0, 0, 1).Truncate(24 * time.Hour).Unix()
if startTimestamp < tomorrowMidnight {
Expand Down
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