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authorJimmy Hu <jimmy.hu@dexon.org>2018-10-08 13:46:48 +0800
committerWei-Ning Huang <w@dexon.org>2019-03-12 12:19:09 +0800
commitb18f0e4a8c648ac81488e0638e39199760c32c76 (patch)
treee367a1725e203719d2a92a35259eef6c8c3ca33b /core/vm
parentc3eb35a4be096fdad703252a1175bf6bcb8a4329 (diff)
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core: vm: check if caller already staked when adding dkg mpk
Diffstat (limited to 'core/vm')
-rw-r--r--core/vm/governance.go7
1 files changed, 7 insertions, 0 deletions
diff --git a/core/vm/governance.go b/core/vm/governance.go
index c75102f79..652d86357 100644
--- a/core/vm/governance.go
+++ b/core/vm/governance.go
@@ -904,6 +904,13 @@ func (g *GovernanceContract) proposeCRS(round *big.Int, signedCRS []byte) ([]byt
}
func (g *GovernanceContract) addDKGMasterPublicKey(round *big.Int, pk []byte) ([]byte, error) {
+ caller := g.contract.Caller()
+ offset := g.state.offset(caller)
+ // Can not add dkg mpk if not staked.
+ if offset.Cmp(big.NewInt(0)) < 0 {
+ return nil, errExecutionReverted
+ }
+
var dkgMasterPK types.DKGMasterPublicKey
if err := rlp.DecodeBytes(pk, &dkgMasterPK); err != nil {
g.penalize()