cosmos-sdk/x/authz/keeper/genesis.go

68 lines
1.7 KiB
Go

package keeper
import (
"context"
"errors"
"cosmossdk.io/x/authz"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// InitGenesis initializes new authz genesis
func (k Keeper) InitGenesis(ctx context.Context, data *authz.GenesisState) error {
now := k.HeaderService.HeaderInfo(ctx).Time
for _, entry := range data.Authorization {
// ignore expired authorizations
if entry.Expiration != nil && entry.Expiration.Before(now) {
continue
}
grantee, err := k.authKeeper.AddressCodec().StringToBytes(entry.Grantee)
if err != nil {
return err
}
granter, err := k.authKeeper.AddressCodec().StringToBytes(entry.Granter)
if err != nil {
return err
}
a, ok := entry.Authorization.GetCachedValue().(authz.Authorization)
if !ok {
return errors.New("expected authorization")
}
err = k.SaveGrant(ctx, grantee, granter, a, entry.Expiration)
if err != nil {
return err
}
}
return nil
}
// ExportGenesis returns a GenesisState for a given context.
func (k Keeper) ExportGenesis(ctx context.Context) (*authz.GenesisState, error) {
var entries []authz.GrantAuthorization
err := k.IterateGrants(ctx, func(granter, grantee sdk.AccAddress, grant authz.Grant) (bool, error) {
granterAddr, err := k.authKeeper.AddressCodec().BytesToString(granter)
if err != nil {
return false, err
}
granteeAddr, err := k.authKeeper.AddressCodec().BytesToString(grantee)
if err != nil {
return false, err
}
entries = append(entries, authz.GrantAuthorization{
Granter: granterAddr,
Grantee: granteeAddr,
Expiration: grant.Expiration,
Authorization: grant.Authorization,
})
return false, nil
})
if err != nil {
return nil, err
}
return authz.NewGenesisState(entries), nil
}