mirror of
https://github.com/0glabs/0g-chain.git
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63508d79f9
* update acceptance test to fail * update periodic vesting reset to reflect additive period lengths, not absolute lengths * simplify end time logic * remove log * test inclusion of v0_15 migration tests
75 lines
2.6 KiB
Go
75 lines
2.6 KiB
Go
package v0_15
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import (
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"time"
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sdk "github.com/cosmos/cosmos-sdk/types"
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authexported "github.com/cosmos/cosmos-sdk/x/auth/exported"
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vesting "github.com/cosmos/cosmos-sdk/x/auth/vesting"
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)
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// MigrateAccount removes old vesting periods from periodic vesting accounts
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// and converts any periodic vesting account with zero periods back to a base account
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func MigrateAccount(acc authexported.GenesisAccount, genesisTime time.Time) authexported.GenesisAccount {
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if vacc, ok := acc.(*vesting.PeriodicVestingAccount); ok {
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ResetPeriodicVestingAccount(vacc, genesisTime)
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if genesisTime.Unix() >= vacc.EndTime {
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return vacc.BaseVestingAccount.BaseAccount
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}
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return vacc
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}
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return acc
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}
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// ResetPeriodicVestingAccount resets a periodic vesting account to a new start time. The account is
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// modified in place, and vesting periods before the new start time are removed from the account.
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func ResetPeriodicVestingAccount(vacc *vesting.PeriodicVestingAccount, startTime time.Time) {
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currentPeriod := vacc.StartTime
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newOriginalVesting := sdk.Coins{}
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newStartTime := startTime.Unix()
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newPeriods := vesting.Periods{}
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for _, period := range vacc.VestingPeriods {
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currentPeriod = currentPeriod + period.Length
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// Periods less than the newStartTime are still vesting,
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// so adjust their length and add them to the newPeriods
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if newStartTime < currentPeriod {
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// adjust the length of the first vesting period
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// to be relative to the new start time
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if len(newPeriods) == 0 {
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period.Length = currentPeriod - newStartTime
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}
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newOriginalVesting = newOriginalVesting.Add(period.Amount...)
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newPeriods = append(newPeriods, period)
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}
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}
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// If the new original vesting amount is less than the delegated vesting amount, set delegated vesting
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// to the new original vesting amount, and add the difference to the delegated free amount
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for _, delegatedVestingCoin := range vacc.DelegatedVesting {
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newDelegatedVestingCoin := sdk.NewCoin(delegatedVestingCoin.Denom, sdk.MinInt(delegatedVestingCoin.Amount, newOriginalVesting.AmountOf(delegatedVestingCoin.Denom)))
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delegationAdjustment := delegatedVestingCoin.Sub(newDelegatedVestingCoin)
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if !delegationAdjustment.IsZero() {
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vacc.DelegatedVesting = vacc.DelegatedVesting.Sub(sdk.NewCoins(delegationAdjustment))
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vacc.DelegatedFree = vacc.DelegatedFree.Add(delegationAdjustment)
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}
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}
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// update vesting account
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vacc.StartTime = newStartTime
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vacc.OriginalVesting = newOriginalVesting
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vacc.VestingPeriods = newPeriods
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// ensure end time is >= start time
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if vacc.StartTime >= vacc.EndTime {
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vacc.EndTime = vacc.StartTime
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}
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}
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