67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
package types
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
|
|
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
|
|
|
|
ethcmn "github.com/ethereum/go-ethereum/common"
|
|
)
|
|
|
|
// Storage represents the account Storage map as a slice of single key value
|
|
// State pairs. This is to prevent non determinism at genesis initialization or export.
|
|
type Storage []State
|
|
|
|
// Validate performs a basic validation of the Storage fields.
|
|
func (s Storage) Validate() error {
|
|
seenStorage := make(map[string]bool)
|
|
for i, state := range s {
|
|
if seenStorage[state.Key] {
|
|
return sdkerrors.Wrapf(ErrInvalidState, "duplicate state key %d: %s", i, state.Key)
|
|
}
|
|
|
|
if err := state.Validate(); err != nil {
|
|
return err
|
|
}
|
|
|
|
seenStorage[state.Key] = true
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// String implements the stringer interface
|
|
func (s Storage) String() string {
|
|
var str string
|
|
for _, state := range s {
|
|
str += fmt.Sprintf("%s\n", state.String())
|
|
}
|
|
|
|
return str
|
|
}
|
|
|
|
// Copy returns a copy of storage.
|
|
func (s Storage) Copy() Storage {
|
|
cpy := make(Storage, len(s))
|
|
copy(cpy, s)
|
|
|
|
return cpy
|
|
}
|
|
|
|
// Validate performs a basic validation of the State fields.
|
|
func (s State) Validate() error {
|
|
if bytes.Equal(ethcmn.Hex2Bytes(s.Key), ethcmn.Hash{}.Bytes()) {
|
|
return sdkerrors.Wrap(ErrInvalidState, "state key hash cannot be empty")
|
|
}
|
|
// NOTE: state value can be empty
|
|
return nil
|
|
}
|
|
|
|
// NewState creates a new State instance
|
|
func NewState(key, value ethcmn.Hash) State { // nolint: interfacer
|
|
return State{
|
|
Key: key.String(),
|
|
Value: value.String(),
|
|
}
|
|
}
|