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Enforce validators can only use the correct pubkey type (#2739)

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* Enforce validators can only use the correct pubkey type

* adapt to variable renames

* Address comments from #2636

* separate updating and validation logic

* update spec

* Add test case for TestStringSliceEqual, clarify slice copying code

* Address @ebuchman's comments

* Split up testing validator update execution, and its validation
This commit is contained in:
Dev Ojha
2018-11-28 06:09:27 -08:00
committed by Ethan Buchman
parent 8a73feae14
commit 4571f0fbe8
8 changed files with 161 additions and 36 deletions
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13
types/protobuf.go
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@@ -187,20 +187,19 @@ var PB2TM = pb2tm{}
type pb2tm struct{}
func (pb2tm) PubKey(pubKey abci.PubKey) (crypto.PubKey, error) {
// TODO: define these in crypto and use them
sizeEd := 32
sizeSecp := 33
switch pubKey.Type {
case ABCIPubKeyTypeEd25519:
if len(pubKey.Data) != sizeEd {
return nil, fmt.Errorf("Invalid size for PubKeyEd25519. Got %d, expected %d", len(pubKey.Data), sizeEd)
if len(pubKey.Data) != ed25519.PubKeyEd25519Size {
return nil, fmt.Errorf("Invalid size for PubKeyEd25519. Got %d, expected %d",
len(pubKey.Data), ed25519.PubKeyEd25519Size)
}
var pk ed25519.PubKeyEd25519
copy(pk[:], pubKey.Data)
return pk, nil
case ABCIPubKeyTypeSecp256k1:
if len(pubKey.Data) != sizeSecp {
return nil, fmt.Errorf("Invalid size for PubKeyEd25519. Got %d, expected %d", len(pubKey.Data), sizeSecp)
if len(pubKey.Data) != secp256k1.PubKeySecp256k1Size {
return nil, fmt.Errorf("Invalid size for PubKeySecp256k1. Got %d, expected %d",
len(pubKey.Data), secp256k1.PubKeySecp256k1Size)
}
var pk secp256k1.PubKeySecp256k1
copy(pk[:], pubKey.Data)