diff options
Diffstat (limited to 'p2p/discv5/node.go')
| -rw-r--r-- | p2p/discv5/node.go | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/p2p/discv5/node.go b/p2p/discv5/node.go index fd88a55b1..3d4748512 100644 --- a/p2p/discv5/node.go +++ b/p2p/discv5/node.go @@ -315,11 +315,11 @@ func PubkeyID(pub *ecdsa.PublicKey) NodeID { // Pubkey returns the public key represented by the node ID. // It returns an error if the ID is not a point on the curve. -func (id NodeID) Pubkey() (*ecdsa.PublicKey, error) { +func (n NodeID) Pubkey() (*ecdsa.PublicKey, error) { p := &ecdsa.PublicKey{Curve: crypto.S256(), X: new(big.Int), Y: new(big.Int)} - half := len(id) / 2 - p.X.SetBytes(id[:half]) - p.Y.SetBytes(id[half:]) + half := len(n) / 2 + p.X.SetBytes(n[:half]) + p.Y.SetBytes(n[half:]) if !p.Curve.IsOnCurve(p.X, p.Y) { return nil, errors.New("id is invalid secp256k1 curve point") } |