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genesis.go
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genesis.go
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package keeper
import (
"fmt"
"github.com/gogo/protobuf/proto"
"github.com/Carina-hackatom/nova/x/oracle/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)
func (k Keeper) InitGenesis(ctx sdk.Context, genState *types.GenesisState) {
k.SetParams(ctx, genState.Params)
for i := range genState.States {
if err := k.UpdateChainState(ctx, &genState.States[i]); err != nil {
panic(fmt.Errorf("failed to initialize genesis state at %s, err: %v", types.ModuleName, err))
}
}
}
func (k Keeper) ExportGenesis(ctx sdk.Context) *types.GenesisState {
result := &types.GenesisState{
Params: k.GetParams(ctx),
States: []types.ChainInfo{},
}
store := ctx.KVStore(k.storeKey)
iterator := store.Iterator(nil, nil)
defer func() {
err := iterator.Close()
if err != nil {
ctx.Logger().Error(fmt.Sprintf("unexpected iterator closed: %s", err))
return
}
}()
for ; iterator.Valid(); iterator.Next() {
value := types.ChainInfo{}
if err := proto.Unmarshal(iterator.Value(), &value); err != nil {
panic(fmt.Errorf("unable to unmarshal chain state: %v", err))
}
result.States = append(result.States, types.ChainInfo{
Coin: value.Coin,
OperatorAddress: value.OperatorAddress,
LastBlockHeight: value.LastBlockHeight,
Decimal: value.Decimal,
})
}
return result
}