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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,151 +1,9 @@ | ||
| package upgrades | ||
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| import ( | ||
| "fmt" | ||
| "time" | ||
|
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| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| authtypes "github.com/cosmos/cosmos-sdk/x/auth/types" | ||
| vestingtypes "github.com/cosmos/cosmos-sdk/x/auth/vesting/types" | ||
|
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| "github.com/quicksilver-zone/quicksilver/app/keepers" | ||
| "github.com/quicksilver-zone/quicksilver/utils" | ||
| "github.com/quicksilver-zone/quicksilver/utils/addressutils" | ||
| ) | ||
|
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| type ProcessMigrateAccountStrategy func(ctx sdk.Context, appKeepers *keepers.AppKeepers, from sdk.AccAddress, to sdk.AccAddress) error | ||
|
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| // Migrate a map of address pairs and migrate from key -> value | ||
| func migrateVestingAccounts(ctx sdk.Context, appKeepers *keepers.AppKeepers, migrations map[string]string, strategy ProcessMigrateAccountStrategy) error { | ||
| for _, fromBech32 := range utils.Keys(migrations) { | ||
| toBech32 := migrations[fromBech32] | ||
|
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| from, err := addressutils.AccAddressFromBech32(fromBech32, "quick") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| to, err := addressutils.AccAddressFromBech32(toBech32, "quick") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = strategy(ctx, appKeepers, from, to) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| // Migrate a PeriodicVestingAccount from address A to address B, maintaining periods, amounts and end date. | ||
| func migratePeriodicVestingAccount(ctx sdk.Context, appKeepers *keepers.AppKeepers, from sdk.AccAddress, to sdk.AccAddress) error { | ||
| oldAccount := appKeepers.AccountKeeper.GetAccount(ctx, from) | ||
| // if the new account already exists in the account keeper, we should fail. | ||
| if newAccount := appKeepers.AccountKeeper.GetAccount(ctx, to); newAccount != nil { | ||
| return fmt.Errorf("unable to migrate vesting account; destination is already an account") | ||
| } | ||
|
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| oldPva, ok := oldAccount.(*vestingtypes.PeriodicVestingAccount) | ||
| if !ok { | ||
| return fmt.Errorf("from account is not a PeriodicVestingAccount") | ||
| } | ||
|
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| // copy the existing PVA. | ||
| newPva := *oldPva | ||
|
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| // create a new baseVesting account with the address provided. | ||
| newBva := vestingtypes.NewBaseVestingAccount(authtypes.NewBaseAccountWithAddress(to), oldPva.OriginalVesting, oldPva.EndTime) | ||
| // change vesting end time so we are able to negate the token lock. | ||
| // if the endDate has passed, we circumvent the period checking logic. | ||
| oldPva.BaseVestingAccount.EndTime = ctx.BlockTime().Unix() - 1 | ||
| newPva.BaseVestingAccount = newBva | ||
|
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| // set the old pva (with the altered date), so we can transfer assets. | ||
| appKeepers.AccountKeeper.SetAccount(ctx, oldPva) | ||
| // set the new pva with the correct period and end dates, and new address. | ||
| appKeepers.AccountKeeper.SetAccount(ctx, &newPva) | ||
|
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| // send coins from old account to new. | ||
| err := appKeepers.BankKeeper.SendCoins(ctx, from, to, appKeepers.BankKeeper.GetAllBalances(ctx, from)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| // delete the old account from the account keeper. | ||
| appKeepers.AccountKeeper.RemoveAccount(ctx, oldPva) | ||
| return nil | ||
| } | ||
|
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| // migrateVestingAccountWithActions migrate from A to B with actions before migration executed | ||
| func migrateVestingAccountWithActions(ctx sdk.Context, appKeepers *keepers.AppKeepers, from sdk.AccAddress, to sdk.AccAddress) error { | ||
| // Complete all re-delegation before unbonding | ||
| err := completeAllRedelegations(ctx, ctx.BlockTime(), appKeepers, from) | ||
| if err != nil { | ||
| fmt.Printf("processMigratePeriodicVestingAccount: complete all re-delegation for %s failed: %v", from.String(), err) | ||
| return err | ||
| } | ||
|
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| // Unbond all delegation of account | ||
| err = unbondAllDelegation(ctx, ctx.BlockTime(), appKeepers, from) | ||
| if err != nil { | ||
| fmt.Printf("processMigratePeriodicVestingAccount: unbonded all delegation for %s failed: %v", from.String(), err) | ||
| return err | ||
| } | ||
|
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| return migratePeriodicVestingAccount(ctx, appKeepers, from, to) | ||
| } | ||
|
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| func completeAllRedelegations(ctx sdk.Context, now time.Time, | ||
| appKeepers *keepers.AppKeepers, | ||
| accAddr sdk.AccAddress, | ||
| ) error { | ||
| for _, activeRedelegation := range appKeepers.StakingKeeper.GetRedelegations(ctx, accAddr, 100) { | ||
| redelegationSrc, _ := sdk.ValAddressFromBech32(activeRedelegation.ValidatorSrcAddress) | ||
| redelegationDst, _ := sdk.ValAddressFromBech32(activeRedelegation.ValidatorDstAddress) | ||
|
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| for i := range activeRedelegation.Entries { | ||
| activeRedelegation.Entries[i].CompletionTime = now | ||
| } | ||
|
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| appKeepers.StakingKeeper.SetRedelegation(ctx, activeRedelegation) | ||
| _, err := appKeepers.StakingKeeper.CompleteRedelegation(ctx, accAddr, redelegationSrc, redelegationDst) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
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| return nil | ||
| } | ||
|
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| func unbondAllDelegation(ctx sdk.Context, now time.Time, appKeepers *keepers.AppKeepers, accAddr sdk.AccAddress) error { | ||
| // Undelegate all delegations from the account | ||
| for _, delegation := range appKeepers.StakingKeeper.GetAllDelegatorDelegations(ctx, accAddr) { | ||
| validatorValAddr := delegation.GetValidatorAddr() | ||
| _, found := appKeepers.StakingKeeper.GetValidator(ctx, validatorValAddr) | ||
| if !found { | ||
| continue | ||
| } | ||
|
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| _, err := appKeepers.StakingKeeper.Undelegate(ctx, accAddr, validatorValAddr, delegation.GetShares()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
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| // Complete unbonding of all account's delegations | ||
| for _, unbondingDelegation := range appKeepers.StakingKeeper.GetAllUnbondingDelegations(ctx, accAddr) { | ||
| validatorStringAddr := unbondingDelegation.ValidatorAddress | ||
| validatorValAddr, _ := sdk.ValAddressFromBech32(validatorStringAddr) | ||
|
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| for i := range unbondingDelegation.Entries { | ||
| unbondingDelegation.Entries[i].CompletionTime = now | ||
| } | ||
|
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| appKeepers.StakingKeeper.SetUnbondingDelegation(ctx, unbondingDelegation) | ||
| _, err := appKeepers.StakingKeeper.CompleteUnbonding(ctx, accAddr, validatorValAddr) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } |
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