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check if peer supports a protocol without allocation

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This commit is contained in:
Aarsh Shah 2020-05-08 11:47:54 +05:30
parent a4b837bc12
commit 43dfa5faf4
1 changed files with 7 additions and 0 deletions
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7
peerstore/peerstore.go
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@ -233,5 +233,12 @@ type ProtoBook interface {
AddProtocols(peer.ID, ...string) error
SetProtocols(peer.ID, ...string) error
RemoveProtocols(peer.ID, ...string) error
// SupportsProtocols returns the set of protocols the peer supports from among the given protocols.
// If the returned error is not nil, the result is indeterminate.
SupportsProtocols(peer.ID, ...string) ([]string, error)
// IsProtocolSupported returns true if the peer supports the given protocol and false otherwise.
// If the returned error is not nil, the result is indeterminate.
IsProtocolSupported(peer.ID, string) (bool, error)
}