From 8e3aa5e31449b7f91edddeee1f0f16be94911479 Mon Sep 17 00:00:00 2001
From: Vitaly Drogan <vitalii.drohan@gmail.com>
Date: Tue, 13 Sep 2022 18:45:07 +0300
Subject: [PATCH] fix proposer payout bug with payout tx (#27)

---
 miner/worker.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/miner/worker.go b/miner/worker.go
index e9612dae3635..132f8bbde9d2 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -1826,6 +1826,9 @@ func (w *worker) createProposerPayoutTx(env *environment, recipient *common.Addr
 	nonce := env.state.GetNonce(w.coinbase)
 	fee := new(big.Int).Mul(big.NewInt(21000), env.header.BaseFee)
 	amount := new(big.Int).Sub(profit, fee)
+	if amount.Sign() == -1 {
+		return nil, errors.New("negative amount of proposer payout")
+	}
 	gasPrice := new(big.Int).Set(env.header.BaseFee)
 	chainId := w.chainConfig.ChainID
 	log.Debug("createProposerPayoutTx", "sender", sender, "chainId", chainId.String(), "nonce", nonce, "amount", amount.String(), "gas", params.TxGas, "baseFee", env.header.BaseFee.String(), "fee", fee)