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genesis.go
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genesis.go
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package keeper
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/persistenceOne/persistence-sdk/v2/x/oracle/types"
)
// InitGenesis initializes the x/oracle module's keeper state from a provided genesis state.
func (k Keeper) InitGenesis(ctx sdk.Context, genState types.GenesisState) {
for _, d := range genState.FeederDelegations {
voter, err := sdk.ValAddressFromBech32(d.ValidatorAddress)
if err != nil {
panic(err)
}
feeder, err := sdk.AccAddressFromBech32(d.FeederAddress)
if err != nil {
panic(err)
}
k.SetFeederDelegation(ctx, voter, feeder)
}
for _, ex := range genState.ExchangeRates {
k.SetExchangeRate(ctx, ex.Denom, ex.ExchangeRate)
}
for _, mc := range genState.MissCounters {
operator, err := sdk.ValAddressFromBech32(mc.ValidatorAddress)
if err != nil {
panic(err)
}
k.SetMissCounter(ctx, operator, mc.MissCounter)
}
for _, ap := range genState.AggregateExchangeRatePrevotes {
valAddr, err := sdk.ValAddressFromBech32(ap.Voter)
if err != nil {
panic(err)
}
k.SetAggregateExchangeRatePrevote(ctx, valAddr, ap)
}
for _, av := range genState.AggregateExchangeRateVotes {
valAddr, err := sdk.ValAddressFromBech32(av.Voter)
if err != nil {
panic(err)
}
k.SetAggregateExchangeRateVote(ctx, valAddr, av)
}
k.SetParams(ctx, genState.Params)
// check if the module account exists
moduleAcc := k.GetOracleAccount(ctx)
if moduleAcc == nil {
panic(fmt.Sprintf("%s module account has not been set", types.ModuleName))
}
}
// ExportGenesis returns the x/oracle module's keeper exported genesis state.
func (k Keeper) ExportGenesis(ctx sdk.Context) *types.GenesisState {
params := k.GetParams(ctx)
var feederDelegations []types.FeederDelegation
k.IterateFeederDelegations(ctx, func(valAddr sdk.ValAddress, feederAddr sdk.AccAddress) (stop bool) {
feederDelegations = append(feederDelegations, types.FeederDelegation{
ValidatorAddress: valAddr.String(),
FeederAddress: feederAddr.String(),
})
return false
})
var exchangeRates []types.ExchangeRateTuple
k.IterateExchangeRates(ctx, func(denom string, rate sdk.Dec) (stop bool) {
exchangeRates = append(exchangeRates, types.ExchangeRateTuple{
Denom: denom,
ExchangeRate: rate,
})
return false
})
var missCounters []types.MissCounter
k.IterateMissCounters(ctx, func(operator sdk.ValAddress, missCounter uint64) (stop bool) {
missCounters = append(missCounters, types.MissCounter{
ValidatorAddress: operator.String(),
MissCounter: missCounter,
})
return false
})
var aggregateExchangeRatePrevotes []types.AggregateExchangeRatePrevote
k.IterateAggregateExchangeRatePrevotes(
ctx,
func(_ sdk.ValAddress, aggregatePrevote types.AggregateExchangeRatePrevote) (stop bool) {
aggregateExchangeRatePrevotes = append(aggregateExchangeRatePrevotes, aggregatePrevote)
return false
},
)
var aggregateExchangeRateVotes []types.AggregateExchangeRateVote
k.IterateAggregateExchangeRateVotes(
ctx,
func(_ sdk.ValAddress, aggregateVote types.AggregateExchangeRateVote) bool {
aggregateExchangeRateVotes = append(aggregateExchangeRateVotes, aggregateVote)
return false
},
)
return types.NewGenesisState(
params,
exchangeRates,
feederDelegations,
missCounters,
aggregateExchangeRatePrevotes,
aggregateExchangeRateVotes,
)
}