179 lines
5.2 KiB
Go
179 lines
5.2 KiB
Go
package app
|
|
|
|
import (
|
|
"encoding/json"
|
|
"log"
|
|
|
|
abci "github.com/tendermint/tendermint/abci/types"
|
|
tmtypes "github.com/tendermint/tendermint/types"
|
|
|
|
"github.com/cosmos/cosmos-sdk/codec"
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
"github.com/cosmos/cosmos-sdk/x/auth"
|
|
"github.com/cosmos/cosmos-sdk/x/bank"
|
|
distr "github.com/cosmos/cosmos-sdk/x/distribution"
|
|
"github.com/cosmos/cosmos-sdk/x/gov"
|
|
"github.com/cosmos/cosmos-sdk/x/mint"
|
|
"github.com/cosmos/cosmos-sdk/x/slashing"
|
|
"github.com/cosmos/cosmos-sdk/x/staking"
|
|
)
|
|
|
|
// export the state of gaia for a genesis file
|
|
func (app *GaiaApp) ExportAppStateAndValidators(forZeroHeight bool, jailWhiteList []string) (
|
|
appState json.RawMessage, validators []tmtypes.GenesisValidator, err error) {
|
|
|
|
// as if they could withdraw from the start of the next block
|
|
ctx := app.NewContext(true, abci.Header{Height: app.LastBlockHeight()})
|
|
|
|
if forZeroHeight {
|
|
app.prepForZeroHeightGenesis(ctx, jailWhiteList)
|
|
}
|
|
|
|
// iterate to get the accounts
|
|
accounts := []GenesisAccount{}
|
|
appendAccount := func(acc auth.Account) (stop bool) {
|
|
account := NewGenesisAccountI(acc)
|
|
accounts = append(accounts, account)
|
|
return false
|
|
}
|
|
app.accountKeeper.IterateAccounts(ctx, appendAccount)
|
|
|
|
genState := NewGenesisState(
|
|
accounts,
|
|
auth.ExportGenesis(ctx, app.accountKeeper, app.feeCollectionKeeper),
|
|
bank.ExportGenesis(ctx, app.bankKeeper),
|
|
staking.ExportGenesis(ctx, app.stakingKeeper),
|
|
mint.ExportGenesis(ctx, app.mintKeeper),
|
|
distr.ExportGenesis(ctx, app.distrKeeper),
|
|
gov.ExportGenesis(ctx, app.govKeeper),
|
|
slashing.ExportGenesis(ctx, app.slashingKeeper),
|
|
)
|
|
appState, err = codec.MarshalJSONIndent(app.cdc, genState)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
validators = staking.WriteValidators(ctx, app.stakingKeeper)
|
|
return appState, validators, nil
|
|
}
|
|
|
|
// prepare for fresh start at zero height
|
|
func (app *GaiaApp) prepForZeroHeightGenesis(ctx sdk.Context, jailWhiteList []string) {
|
|
applyWhiteList := false
|
|
|
|
//Check if there is a whitelist
|
|
if len(jailWhiteList) > 0 {
|
|
applyWhiteList = true
|
|
}
|
|
|
|
whiteListMap := make(map[string]bool)
|
|
|
|
for _, addr := range jailWhiteList {
|
|
_, err := sdk.ValAddressFromBech32(addr)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
whiteListMap[addr] = true
|
|
}
|
|
|
|
/* Just to be safe, assert the invariants on current state. */
|
|
app.assertRuntimeInvariantsOnContext(ctx)
|
|
|
|
/* Handle fee distribution state. */
|
|
|
|
// withdraw all validator commission
|
|
app.stakingKeeper.IterateValidators(ctx, func(_ int64, val sdk.Validator) (stop bool) {
|
|
_ = app.distrKeeper.WithdrawValidatorCommission(ctx, val.GetOperator())
|
|
return false
|
|
})
|
|
|
|
// withdraw all delegator rewards
|
|
dels := app.stakingKeeper.GetAllDelegations(ctx)
|
|
for _, delegation := range dels {
|
|
_ = app.distrKeeper.WithdrawDelegationRewards(ctx, delegation.DelegatorAddr, delegation.ValidatorAddr)
|
|
}
|
|
|
|
// clear validator slash events
|
|
app.distrKeeper.DeleteAllValidatorSlashEvents(ctx)
|
|
|
|
// clear validator historical rewards
|
|
app.distrKeeper.DeleteAllValidatorHistoricalRewards(ctx)
|
|
|
|
// set context height to zero
|
|
height := ctx.BlockHeight()
|
|
ctx = ctx.WithBlockHeight(0)
|
|
|
|
// reinitialize all validators
|
|
app.stakingKeeper.IterateValidators(ctx, func(_ int64, val sdk.Validator) (stop bool) {
|
|
app.distrKeeper.Hooks().AfterValidatorCreated(ctx, val.GetOperator())
|
|
return false
|
|
})
|
|
|
|
// reinitialize all delegations
|
|
for _, del := range dels {
|
|
app.distrKeeper.Hooks().BeforeDelegationCreated(ctx, del.DelegatorAddr, del.ValidatorAddr)
|
|
}
|
|
|
|
// reset context height
|
|
ctx = ctx.WithBlockHeight(height)
|
|
|
|
/* Handle staking state. */
|
|
|
|
// iterate through redelegations, reset creation height
|
|
app.stakingKeeper.IterateRedelegations(ctx, func(_ int64, red staking.Redelegation) (stop bool) {
|
|
for i := range red.Entries {
|
|
red.Entries[i].CreationHeight = 0
|
|
}
|
|
app.stakingKeeper.SetRedelegation(ctx, red)
|
|
return false
|
|
})
|
|
|
|
// iterate through unbonding delegations, reset creation height
|
|
app.stakingKeeper.IterateUnbondingDelegations(ctx, func(_ int64, ubd staking.UnbondingDelegation) (stop bool) {
|
|
for i := range ubd.Entries {
|
|
ubd.Entries[i].CreationHeight = 0
|
|
}
|
|
app.stakingKeeper.SetUnbondingDelegation(ctx, ubd)
|
|
return false
|
|
})
|
|
|
|
// Iterate through validators by power descending, reset bond heights, and
|
|
// update bond intra-tx counters.
|
|
store := ctx.KVStore(app.keyStaking)
|
|
iter := sdk.KVStoreReversePrefixIterator(store, staking.ValidatorsKey)
|
|
counter := int16(0)
|
|
|
|
var valConsAddrs []sdk.ConsAddress
|
|
for ; iter.Valid(); iter.Next() {
|
|
addr := sdk.ValAddress(iter.Key()[1:])
|
|
validator, found := app.stakingKeeper.GetValidator(ctx, addr)
|
|
if !found {
|
|
panic("expected validator, not found")
|
|
}
|
|
|
|
validator.UnbondingHeight = 0
|
|
valConsAddrs = append(valConsAddrs, validator.ConsAddress())
|
|
if applyWhiteList && !whiteListMap[addr.String()] {
|
|
validator.Jailed = true
|
|
}
|
|
|
|
app.stakingKeeper.SetValidator(ctx, validator)
|
|
counter++
|
|
}
|
|
|
|
iter.Close()
|
|
|
|
_ = app.stakingKeeper.ApplyAndReturnValidatorSetUpdates(ctx)
|
|
|
|
/* Handle slashing state. */
|
|
|
|
// reset start height on signing infos
|
|
app.slashingKeeper.IterateValidatorSigningInfos(
|
|
ctx,
|
|
func(addr sdk.ConsAddress, info slashing.ValidatorSigningInfo) (stop bool) {
|
|
info.StartHeight = 0
|
|
app.slashingKeeper.SetValidatorSigningInfo(ctx, addr, info)
|
|
return false
|
|
},
|
|
)
|
|
}
|