CCIP-4420 Mantle gas interceptor (#15900)

* Fixing gas estimator interceptor for Mantle

* Adding extra check for the address presence

core/services/relay/evm/evm.go

@@ -51,13 +51,13 @@ import (
 	"github.com/smartcontractkit/chainlink/v2/core/services/ocr2/plugins/ccip/ccipexec"
 	ccipconfig "github.com/smartcontractkit/chainlink/v2/core/services/ocr2/plugins/ccip/config"
 	"github.com/smartcontractkit/chainlink/v2/core/services/ocr2/plugins/ccip/estimatorconfig"
-	"github.com/smartcontractkit/chainlink/v2/core/services/ocr2/plugins/ccip/estimatorconfig/interceptors/mantle"
 	cciptransmitter "github.com/smartcontractkit/chainlink/v2/core/services/ocr2/plugins/ccip/transmitter"
 	lloconfig "github.com/smartcontractkit/chainlink/v2/core/services/ocr2/plugins/llo/config"
 	mercuryconfig "github.com/smartcontractkit/chainlink/v2/core/services/ocr2/plugins/mercury/config"
 	"github.com/smartcontractkit/chainlink/v2/core/services/ocrcommon"
 	"github.com/smartcontractkit/chainlink/v2/core/services/relay/evm/codec"
 	"github.com/smartcontractkit/chainlink/v2/core/services/relay/evm/functions"
+	"github.com/smartcontractkit/chainlink/v2/core/services/relay/evm/interceptors/mantle"
 	"github.com/smartcontractkit/chainlink/v2/core/services/relay/evm/mercury"
 	mercuryutils "github.com/smartcontractkit/chainlink/v2/core/services/relay/evm/mercury/utils"
 	reportcodecv1 "github.com/smartcontractkit/chainlink/v2/core/services/relay/evm/mercury/v1/reportcodec"
@@ -541,7 +541,8 @@ func (r *Relayer) NewCCIPCommitProvider(ctx context.Context, rargs commontypes.R
 	// to minimize misconfigure risk, might make sense to wire Mantle only when Commit + Mantle + IsSourceProvider
 	if r.chain.Config().EVM().ChainID().Uint64() == 5003 || r.chain.Config().EVM().ChainID().Uint64() == 5000 {
 		if commitPluginConfig.IsSourceProvider {
-			mantleInterceptor, iErr := mantle.NewInterceptor(ctx, r.chain.Client())
+			oracleAddress := r.chain.Config().EVM().GasEstimator().DAOracle().OracleAddress()
+			mantleInterceptor, iErr := mantle.NewInterceptor(ctx, r.chain.Client(), oracleAddress)
 			if iErr != nil {
 				return nil, iErr
 			}
@@ -619,7 +620,8 @@ func (r *Relayer) NewCCIPExecProvider(ctx context.Context, rargs commontypes.Rel
 	// to minimize misconfigure risk, make sense to wire Mantle only when Exec + Mantle + !IsSourceProvider
 	if r.chain.Config().EVM().ChainID().Uint64() == 5003 || r.chain.Config().EVM().ChainID().Uint64() == 5000 {
 		if !execPluginConfig.IsSourceProvider {
-			mantleInterceptor, iErr := mantle.NewInterceptor(ctx, r.chain.Client())
+			oracleAddress := r.chain.Config().EVM().GasEstimator().DAOracle().OracleAddress()
+			mantleInterceptor, iErr := mantle.NewInterceptor(ctx, r.chain.Client(), oracleAddress)
 			if iErr != nil {
 				return nil, iErr
 			}

core/services/relay/evm/interceptors/mantle/interceptor.go

@@ -2,16 +2,18 @@ package mantle
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"math/big"
 	"strings"
 	"time"
 
 	"github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/accounts/abi"
+	"github.com/ethereum/go-ethereum/common"
 
 	evmClient "github.com/smartcontractkit/chainlink/v2/core/chains/evm/client"
-	"github.com/smartcontractkit/chainlink/v2/core/chains/evm/utils"
+	evmtypes "github.com/smartcontractkit/chainlink/v2/core/chains/evm/types"
 )
 
 const (
@@ -27,9 +29,13 @@ type Interceptor struct {
 	tokenRatioCallData   []byte
 	tokenRatio           *big.Int
 	tokenRatioLastUpdate time.Time
+	oracleAddress        common.Address
 }
 
-func NewInterceptor(_ context.Context, client evmClient.Client) (*Interceptor, error) {
+func NewInterceptor(_ context.Context, client evmClient.Client, address *evmtypes.EIP55Address) (*Interceptor, error) {
+	if address == nil {
+		return nil, errors.New("oracle address is missing")
+	}
 	// Encode calldata for tokenRatio method
 	tokenRatioMethodAbi, err := abi.JSON(strings.NewReader(mantleTokenRatioAbiString))
 	if err != nil {
@@ -43,6 +49,7 @@ func NewInterceptor(_ context.Context, client evmClient.Client) (*Interceptor, e
 	return &Interceptor{
 		client:             client,
 		tokenRatioCallData: tokenRatioCallData,
+		oracleAddress:      address.Address(),
 	}, nil
 }
 
@@ -65,11 +72,8 @@ func (i *Interceptor) ModifyGasPriceComponents(ctx context.Context, execGasPrice
 
 // getMantleTokenRatio Requests and returns a token ratio value for the Mantle chain.
 func (i *Interceptor) getMantleTokenRatio(ctx context.Context) (*big.Int, error) {
-	// FIXME it's removed from chainlink repo
-	// precompile := common.HexToAddress(rollups.OPGasOracleAddress)
-	precompile := utils.RandomAddress()
 	tokenRatio, err := i.client.CallContract(ctx, ethereum.CallMsg{
-		To:   &precompile,
+		To:   &i.oracleAddress,
 		Data: i.tokenRatioCallData,
 	}, nil)
 

core/services/relay/evm/interceptors/mantle/interceptor_test.go

@@ -11,14 +11,21 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/smartcontractkit/chainlink/v2/core/chains/evm/client/mocks"
+	"github.com/smartcontractkit/chainlink/v2/core/chains/evm/types"
+	"github.com/smartcontractkit/chainlink/v2/core/chains/evm/utils"
 )
 
+var randomAddress = types.MustEIP55Address(utils.RandomAddress().String())
+
 func TestInterceptor(t *testing.T) {
 	ethClient := mocks.NewClient(t)
 	ctx := context.Background()
 
+	_, err := NewInterceptor(ctx, ethClient, nil)
+	require.Error(t, err)
+
 	tokenRatio := big.NewInt(10)
-	interceptor, err := NewInterceptor(ctx, ethClient)
+	interceptor, err := NewInterceptor(ctx, ethClient, &randomAddress)
 	require.NoError(t, err)
 
 	// request token ratio
@@ -80,7 +87,7 @@ func TestModifyGasPriceComponents(t *testing.T) {
 			ethClient := mocks.NewClient(t)
 			ctx := context.Background()
 
-			interceptor, err := NewInterceptor(ctx, ethClient)
+			interceptor, err := NewInterceptor(ctx, ethClient, &randomAddress)
 			require.NoError(t, err)
 
 			// request token ratio