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