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session: refactor token store

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This commit:

  * changes the set and signatures of TokenStore interface methods;

  * adds unit test for map storage.
This commit is contained in:
Leonard Lyubich 2020-04-29 12:39:41 +03:00
parent dfc2dd8a78
commit 22265a9f03
4 changed files with 74 additions and 71 deletions
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20
session/types.go
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@ -33,6 +33,26 @@ type PrivateToken interface {
Sign([]byte) ([]byte, error)
}
// PrivateTokenSource is an interface of private token storage with read access.
type PrivateTokenSource interface {
// Fetch must return the storage record corresponding to the passed key.
//
// Resulting error must be ErrPrivateTokenNotFound if there is no corresponding record.
Fetch(TokenID) (PrivateToken, error)
}
// PrivateTokenStore is an interface of the storage of private tokens addressable by TokenID.
type PrivateTokenStore interface {
PrivateTokenSource
// Store must save passed private token in the storage under the given key.
//
// Resulting error must be nil if private token was stored successfully.
Store(TokenID, PrivateToken) error
}
const ErrPrivateTokenNotFound = internal.Error("private token not found")
const (
// ErrWrongFirstEpoch is raised when passed Token contains wrong first epoch.
// First epoch is an epoch since token is valid