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Merge pull request #498 from XinFinOrg/ppx-01

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PPX-01 add verification of vote signer belonging to masternodes
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wgr523 2024-04-01 20:48:16 +08:00 committed by GitHub
commit c16bd66a8d
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1 changed files with 14 additions and 2 deletions
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16
consensus/XDPoS/engines/engine_v2/vote.go
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@ -122,8 +122,20 @@ func (x *XDPoS_v2) verifyVotes(chain consensus.ChainReader, votes map[common.Has
for h, vote := range votes {
go func(hash common.Hash, v *types.Vote) {
defer wg.Done()
if v.GetSigner() != emptySigner {
// verify before
signerAddress := v.GetSigner()
if signerAddress != emptySigner {
// verify that signer belongs to the final masternodes, we have not do so in previous steps
if len(masternodes) == 0 {
log.Error("[verifyVotes] empty masternode list detected when verifying message signatures")
}
for _, mn := range masternodes {
if mn == signerAddress {
return
}
}
// if signer does not belong to final masternodes, we remove the signer
v.SetSigner(emptySigner)
log.Debug("[verifyVotes] find a vote does not belong to final masternodes", "signer", signerAddress)
return
}
signedVote := types.VoteSigHash(&types.VoteForSign{