Ignore tx type 126 for celo (#14875)

* ignore tx type 126 for celo

* add changeset

* Update .changeset/few-sloths-explain.md

Co-authored-by: amit-momin <108959691+amit-momin@users.noreply.github.com>

* added 0x7e to tx type tests for celo

* fix linting issues

* update celo bhe test

* update celo bhe test

* remove uncessary booleans in BHE celo test

* change 0x7e tx to switch statement

* linting

* add default case

* ignore 0x7e for celo

---------

Co-authored-by: amit-momin <108959691+amit-momin@users.noreply.github.com>

.changeset/few-sloths-explain.md

@@ -0,0 +1,5 @@
+---
+"chainlink": patch
+---
+
+#updated ignoring tx type 126 on celo

core/chains/evm/gas/block_history_estimator_test.go

@@ -1433,15 +1433,19 @@ func TestBlockHistoryEstimator_IsUsable(t *testing.T) {
 		assert.Equal(t, true, bhe.IsUsable(tx, block, defaultChainType, geCfg.PriceMin(), logger.Test(t)))
 	})
 
-	t.Run("returns false if transaction is of type 0x7c or 0x7b only on Celo", func(t *testing.T) {
+	t.Run("returns false if transaction is of type 0x7c, 0x7b, or 0x7e only on Celo", func(t *testing.T) {
 		tx := evmtypes.Transaction{Type: 0x7c, GasPrice: assets.NewWeiI(10), GasLimit: 42, Hash: utils.NewHash()}
-		assert.Equal(t, false, bhe.IsUsable(tx, block, chaintype.ChainCelo, geCfg.PriceMin(), logger.Test(t)))
+		assert.False(t, bhe.IsUsable(tx, block, chaintype.ChainCelo, geCfg.PriceMin(), logger.Test(t)))
 
 		tx2 := evmtypes.Transaction{Type: 0x7b, GasPrice: assets.NewWeiI(10), GasLimit: 42, Hash: utils.NewHash()}
-		assert.Equal(t, false, bhe.IsUsable(tx2, block, chaintype.ChainCelo, geCfg.PriceMin(), logger.Test(t)))
+		assert.False(t, bhe.IsUsable(tx2, block, chaintype.ChainCelo, geCfg.PriceMin(), logger.Test(t)))
 
-		assert.Equal(t, true, bhe.IsUsable(tx, block, defaultChainType, geCfg.PriceMin(), logger.Test(t)))
-		assert.Equal(t, true, bhe.IsUsable(tx2, block, defaultChainType, geCfg.PriceMin(), logger.Test(t)))
+		tx3 := evmtypes.Transaction{Type: 0x7e, GasPrice: assets.NewWeiI(10), GasLimit: 42, Hash: utils.NewHash()}
+		assert.False(t, bhe.IsUsable(tx2, block, chaintype.ChainCelo, geCfg.PriceMin(), logger.Test(t)))
+
+		assert.True(t, bhe.IsUsable(tx, block, defaultChainType, geCfg.PriceMin(), logger.Test(t)))
+		assert.True(t, bhe.IsUsable(tx2, block, defaultChainType, geCfg.PriceMin(), logger.Test(t)))
+		assert.True(t, bhe.IsUsable(tx3, block, defaultChainType, geCfg.PriceMin(), logger.Test(t)))
 	})
 
 	t.Run("returns false if transaction is of type 0x16 only on WeMix", func(t *testing.T) {

core/chains/evm/gas/chain_specific.go

@@ -31,7 +31,7 @@ func chainSpecificIsUsable(tx evmtypes.Transaction, baseFee *assets.Wei, chainTy
 	}
 	if chainType == chaintype.ChainCelo {
 		// Celo specific transaction types that utilize the feeCurrency field.
-		if tx.Type == 0x7c || tx.Type == 0x7b {
+		if tx.Type == 0x7c || tx.Type == 0x7b || tx.Type == 0x7e {
 			return false
 		}
 		// Celo has not yet fully migrated to the 0x7c type for special feeCurrency transactions