Added 0x7b transaction type for celo (#10660)

* added 0x7b tx type for celo

* linting

---------

Co-authored-by: Simson <simsonraj.easvarasakthi@smartcontract.com>

core/chains/evm/gas/block_history_estimator_test.go

@@ -1316,13 +1316,17 @@ func TestBlockHistoryEstimator_IsUsable(t *testing.T) {
 		assert.Equal(t, true, bhe.IsUsable(tx, block, cfg.ChainType(), geCfg.PriceMin(), logger.TestLogger(t)))
 	})
 
-	t.Run("returns false if transaction is of type 0x7c only on Celo", func(t *testing.T) {
+	t.Run("returns false if transaction is of type 0x7c or 0x7b only on Celo", func(t *testing.T) {
 		cfg.ChainTypeF = "celo"
 		tx := evmtypes.Transaction{Type: 0x7c, GasPrice: assets.NewWeiI(10), GasLimit: 42, Hash: utils.NewHash()}
 		assert.Equal(t, false, bhe.IsUsable(tx, block, cfg.ChainType(), geCfg.PriceMin(), logger.TestLogger(t)))
 
+		tx2 := evmtypes.Transaction{Type: 0x7b, GasPrice: assets.NewWeiI(10), GasLimit: 42, Hash: utils.NewHash()}
+		assert.Equal(t, false, bhe.IsUsable(tx2, block, cfg.ChainType(), geCfg.PriceMin(), logger.TestLogger(t)))
+
 		cfg.ChainTypeF = ""
 		assert.Equal(t, true, bhe.IsUsable(tx, block, cfg.ChainType(), geCfg.PriceMin(), logger.TestLogger(t)))
+		assert.Equal(t, true, bhe.IsUsable(tx2, block, cfg.ChainType(), geCfg.PriceMin(), logger.TestLogger(t)))
 	})
 
 	t.Run("returns false if transaction has base fee higher than the gas price only on Celo", func(t *testing.T) {

core/chains/evm/gas/chain_specific.go

@@ -30,8 +30,8 @@ func chainSpecificIsUsable(tx evmtypes.Transaction, baseFee *assets.Wei, chainTy
 		}
 	}
 	if chainType == config.ChainCelo {
-		// Celo specific transaction type that utilizes the feeCurrency field.
-		if tx.Type == 0x7c {
+		// Celo specific transaction types that utilize the feeCurrency field.
+		if tx.Type == 0x7c || tx.Type == 0x7b {
 			return false
 		}
 		// Celo has not yet fully migrated to the 0x7c type for special feeCurrency transactions
@@ -40,7 +40,6 @@ func chainSpecificIsUsable(tx evmtypes.Transaction, baseFee *assets.Wei, chainTy
 		// until they fully migrate to 0x7c.
 		if baseFee != nil && tx.GasPrice.Cmp(baseFee) < 0 {
 			return false
-
 		}
 	}
 	return true