check vote output amount (#171)

[bytom/vapor.git] / protocol / validation / tx.go

diff --git a/protocol/validation/tx.go b/protocol/validation/tx.go
index 68bac2e..64fbde9 100644 (file)
--- a/protocol/validation/tx.go
+++ b/protocol/validation/tx.go
@@ -39,6 +39,7 @@ var (
        ErrOverGasCredit             = errors.New("all gas credit has been spend")
        ErrGasCalculate              = errors.New("gas usage calculate got a math error")
        ErrVotePubKey                = errors.New("invalid public key of vote")
+       ErrVoteOutputAmount          = errors.New("invalid vote amount")
 )
 
 // GasState record the gas usage status
@@ -236,6 +237,9 @@ func checkValid(vs *validationState, e bc.Entry) (err error) {
                if err = checkValidSrc(&vs2, e.Source); err != nil {
                        return errors.Wrap(err, "checking vote output source")
                }
+               if e.Source.Value.Amount < consensus.MinVoteOutputAmount {
+                       return ErrVoteOutputAmount
+               }
 
        case *bc.Retirement:
                vs2 := *vs