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[#58] neofs: Allow alphabet nodes to remove candidates

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When alphabet nodes update inner ring list with new candidate,
then they remove it from neofs contract.

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin 2021-03-24 13:30:51 +03:00 committed by Alex Vanin
parent e74d8bf48d
commit 80eadb4e5e
1 changed files with 15 additions and 1 deletions
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16
neofs/neofs_contract.go
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@ -143,7 +143,21 @@ func InnerRingCandidateRemove(key interop.PublicKey) bool {
ctx := storage.GetContext()
if !runtime.CheckWitness(key) {
panic("irCandidateRemove: you should be the owner of the public key")
alphabet := getNodes(ctx, alphabetKey)
threshold := len(alphabet)/3*2 + 1
nodeKey := common.InnerRingInvoker(alphabet)
if len(nodeKey) == 0 {
panic("irCandidateRemove: invoked by non alphabet node")
}
id := append(key, []byte("delete")...)
hashID := crypto.Sha256(id)
n := common.Vote(ctx, hashID, nodeKey)
if n < threshold {
return true
}
}
nodes := []common.IRNode{} // it is explicit declaration of empty slice, not nil