diff options
Diffstat (limited to 'dex/app.go')
| -rw-r--r-- | dex/app.go | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/dex/app.go b/dex/app.go index d2bd02f0c..ab4e80058 100644 --- a/dex/app.go +++ b/dex/app.go @@ -124,6 +124,18 @@ func (d *DexconApp) validateNonce(txs types.Transactions) (map[common.Address]ui return addressFirstNonce, nil } +// validateGasPrice checks if no gas price is lower than minGasPrice defined in +// governance contract. +func (d *DexconApp) validateGasPrice(txs types.Transactions, round uint64) bool { + minGasPrice := d.gov.MinGasPrice(round) + for _, tx := range txs { + if minGasPrice.Cmp(tx.GasPrice()) > 0 { + return false + } + } + return true +} + // PreparePayload is called when consensus core is preparing payload for block. func (d *DexconApp) PreparePayload(position coreTypes.Position) (payload []byte, err error) { // softLimit limits the runtime of inner call to preparePayload. @@ -410,6 +422,10 @@ func (d *DexconApp) VerifyBlock(block *coreTypes.Block) coreTypes.BlockVerifySta log.Error("Validate nonce failed", "error", err) return coreTypes.VerifyInvalidBlock } + if !d.validateGasPrice(transactions, block.Position.Round) { + log.Error("Validate gas price failed") + return coreTypes.VerifyInvalidBlock + } // Check if nonce is strictly increasing for every address. chainID := big.NewInt(int64(block.Position.ChainID)) |