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genesis.go
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genesis.go
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package types
import (
"encoding/json"
"fmt"
"github.com/cosmos/cosmos-sdk/codec"
)
// DefaultGenesis returns the default Capability genesis state
func DefaultGenesis() *GenesisState {
p := DefaultParams()
return &GenesisState{
Params: &p,
Posts: []Post{},
Likes: []Like{},
Following: map[string]GenesisState_AddressList{},
}
}
func GetGenesisStateFromAppState(cdc codec.Codec, appState map[string]json.RawMessage) GenesisState {
var genesisState GenesisState
if appState[ModuleName] != nil {
cdc.MustUnmarshalJSON(appState[ModuleName], &genesisState)
}
return genesisState
}
// Validate performs basic genesis state validation returning an error upon any failure.
func (gs GenesisState) Validate() error {
if err := gs.Params.Validate(); err != nil {
return fmt.Errorf("invalid params: %w", err)
}
pm := map[string]struct{}{}
for _, v := range gs.Posts {
if err := v.Validate(); err != nil {
return fmt.Errorf("invalid post %s/%s: %w", v.Owner, v.Uuid, err)
}
pm[v.Address()] = struct{}{}
}
for _, v := range gs.Likes {
p := Post{Owner: v.PostOwner, Uuid: v.PostUuid}.Address()
if _, ok := pm[p]; !ok {
return fmt.Errorf("invalid like %s by %s: post not found", p, v.Owner)
}
if err := v.Validate(); err != nil {
return fmt.Errorf("invalid like %s by %s: %w", p, v.Owner, err)
}
}
for who, whom := range gs.Following {
if err := ValidateFollowers(who, whom.Address); err != nil {
return fmt.Errorf("invalid following for %s: %w", who, err)
}
}
return nil
}