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[#645] client/cache: Check response public key in all client operations

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There is a need to check if public key in the RPC response matches the
public key of the related storage node declared in network map.

Define `ErrWrongPublicKey` error. Implement RPC response handler's
constructor `AssertKeyResponseCallback` which checks public key. Construct
handler and pass it to client's option `WithResponseInfoHandler`.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2021-09-28 09:02:02 +03:00 • committed by Alex Vanin
parent 78e4a87dca
commit 4661f65975
9 changed files with 90 additions and 12 deletions
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9
pkg/core/client/errors.go Normal file
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package client
import (
"errors"
)
// ErrWrongPublicKey is returned when the client's response is signed with a key different
// from the one declared in the network map.
var ErrWrongPublicKey = errors.New("public key is different from the key in the network map")