diff --git a/api/api_full.go b/api/api_full.go
index c2a494dcf66..b17fad3b5d8 100644
--- a/api/api_full.go
+++ b/api/api_full.go
@@ -779,6 +779,7 @@ type FullNode interface {
 	EthGetBlockByNumber(ctx context.Context, blkNum string, fullTxInfo bool) (ethtypes.EthBlock, error)                                        //perm:read
 	EthGetTransactionByHash(ctx context.Context, txHash *ethtypes.EthHash) (*ethtypes.EthTx, error)                                            //perm:read
 	EthGetTransactionHashByCid(ctx context.Context, cid cid.Cid) (*ethtypes.EthHash, error)                                                    //perm:read
+	EthGetMessageCidByTransactionHash(ctx context.Context, txHash *ethtypes.EthHash) (*cid.Cid, error)                                         //perm:read
 	EthGetTransactionCount(ctx context.Context, sender ethtypes.EthAddress, blkOpt string) (ethtypes.EthUint64, error)                         //perm:read
 	EthGetTransactionReceipt(ctx context.Context, txHash ethtypes.EthHash) (*EthTxReceipt, error)                                              //perm:read
 	EthGetTransactionByBlockHashAndIndex(ctx context.Context, blkHash ethtypes.EthHash, txIndex ethtypes.EthUint64) (ethtypes.EthTx, error)    //perm:read
diff --git a/api/mocks/mock_full.go b/api/mocks/mock_full.go
index 18eb15bae0d..b32fc7d8b66 100644
--- a/api/mocks/mock_full.go
+++ b/api/mocks/mock_full.go
@@ -1177,6 +1177,21 @@ func (mr *MockFullNodeMockRecorder) EthGetLogs(arg0, arg1 interface{}) *gomock.C
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "EthGetLogs", reflect.TypeOf((*MockFullNode)(nil).EthGetLogs), arg0, arg1)
 }
 
+// EthGetMessageCidByTransactionHash mocks base method.
+func (m *MockFullNode) EthGetMessageCidByTransactionHash(arg0 context.Context, arg1 *ethtypes.EthHash) (*cid.Cid, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "EthGetMessageCidByTransactionHash", arg0, arg1)
+	ret0, _ := ret[0].(*cid.Cid)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// EthGetMessageCidByTransactionHash indicates an expected call of EthGetMessageCidByTransactionHash.
+func (mr *MockFullNodeMockRecorder) EthGetMessageCidByTransactionHash(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "EthGetMessageCidByTransactionHash", reflect.TypeOf((*MockFullNode)(nil).EthGetMessageCidByTransactionHash), arg0, arg1)
+}
+
 // EthGetStorageAt mocks base method.
 func (m *MockFullNode) EthGetStorageAt(arg0 context.Context, arg1 ethtypes.EthAddress, arg2 ethtypes.EthBytes, arg3 string) (ethtypes.EthBytes, error) {
 	m.ctrl.T.Helper()
diff --git a/api/proxy_gen.go b/api/proxy_gen.go
index d1df2a215dc..aaa1d87c748 100644
--- a/api/proxy_gen.go
+++ b/api/proxy_gen.go
@@ -253,6 +253,8 @@ type FullNodeStruct struct {
 
 		EthGetLogs func(p0 context.Context, p1 *ethtypes.EthFilterSpec) (*ethtypes.EthFilterResult, error) `perm:"read"`
 
+		EthGetMessageCidByTransactionHash func(p0 context.Context, p1 *ethtypes.EthHash) (*cid.Cid, error) `perm:"read"`
+
 		EthGetStorageAt func(p0 context.Context, p1 ethtypes.EthAddress, p2 ethtypes.EthBytes, p3 string) (ethtypes.EthBytes, error) `perm:"read"`
 
 		EthGetTransactionByBlockHashAndIndex func(p0 context.Context, p1 ethtypes.EthHash, p2 ethtypes.EthUint64) (ethtypes.EthTx, error) `perm:"read"`
@@ -2119,6 +2121,17 @@ func (s *FullNodeStub) EthGetLogs(p0 context.Context, p1 *ethtypes.EthFilterSpec
 	return nil, ErrNotSupported
 }
 
+func (s *FullNodeStruct) EthGetMessageCidByTransactionHash(p0 context.Context, p1 *ethtypes.EthHash) (*cid.Cid, error) {
+	if s.Internal.EthGetMessageCidByTransactionHash == nil {
+		return nil, ErrNotSupported
+	}
+	return s.Internal.EthGetMessageCidByTransactionHash(p0, p1)
+}
+
+func (s *FullNodeStub) EthGetMessageCidByTransactionHash(p0 context.Context, p1 *ethtypes.EthHash) (*cid.Cid, error) {
+	return nil, ErrNotSupported
+}
+
 func (s *FullNodeStruct) EthGetStorageAt(p0 context.Context, p1 ethtypes.EthAddress, p2 ethtypes.EthBytes, p3 string) (ethtypes.EthBytes, error) {
 	if s.Internal.EthGetStorageAt == nil {
 		return *new(ethtypes.EthBytes), ErrNotSupported
diff --git a/build/openrpc/full.json.gz b/build/openrpc/full.json.gz
index b8192f95cfd..d7a354461cd 100644
Binary files a/build/openrpc/full.json.gz and b/build/openrpc/full.json.gz differ
diff --git a/build/openrpc/gateway.json.gz b/build/openrpc/gateway.json.gz
index 05e440b6cb0..74a9f322175 100644
Binary files a/build/openrpc/gateway.json.gz and b/build/openrpc/gateway.json.gz differ
diff --git a/build/openrpc/miner.json.gz b/build/openrpc/miner.json.gz
index f0aad35f18b..d3750150c33 100644
Binary files a/build/openrpc/miner.json.gz and b/build/openrpc/miner.json.gz differ
diff --git a/build/openrpc/worker.json.gz b/build/openrpc/worker.json.gz
index a0c27500445..e84f7f5d103 100644
Binary files a/build/openrpc/worker.json.gz and b/build/openrpc/worker.json.gz differ
diff --git a/documentation/en/api-v1-unstable-methods.md b/documentation/en/api-v1-unstable-methods.md
index bb64a431399..2c853754b15 100644
--- a/documentation/en/api-v1-unstable-methods.md
+++ b/documentation/en/api-v1-unstable-methods.md
@@ -83,6 +83,7 @@
   * [EthGetFilterChanges](#EthGetFilterChanges)
   * [EthGetFilterLogs](#EthGetFilterLogs)
   * [EthGetLogs](#EthGetLogs)
+  * [EthGetMessageCidByTransactionHash](#EthGetMessageCidByTransactionHash)
   * [EthGetStorageAt](#EthGetStorageAt)
   * [EthGetTransactionByBlockHashAndIndex](#EthGetTransactionByBlockHashAndIndex)
   * [EthGetTransactionByBlockNumberAndIndex](#EthGetTransactionByBlockNumberAndIndex)
@@ -2641,6 +2642,25 @@ Response:
 ]
 ```
 
+### EthGetMessageCidByTransactionHash
+
+
+Perms: read
+
+Inputs:
+```json
+[
+  "0x37690cfec6c1bf4c3b9288c7a5d783e98731e90b0a4c177c2a374c7a9427355e"
+]
+```
+
+Response:
+```json
+{
+  "/": "bafy2bzacea3wsdh6y3a36tb3skempjoxqpuyompjbmfeyf34fi3uy6uue42v4"
+}
+```
+
 ### EthGetStorageAt
 
 
diff --git a/itests/eth_hash_lookup_test.go b/itests/eth_hash_lookup_test.go
index 37948c7684e..bad705fe183 100644
--- a/itests/eth_hash_lookup_test.go
+++ b/itests/eth_hash_lookup_test.go
@@ -338,3 +338,261 @@ func TestTransactionHashLookupSecpFilecoinMessage(t *testing.T) {
 	require.NotNil(t, chainTx.TransactionIndex)
 	require.Equal(t, uint64(*chainTx.TransactionIndex), uint64(0)) // only transaction
 }
+
+// TestTransactionHashLookupSecpFilecoinMessage tests to see if lotus can find a Secp Filecoin Message using the transaction hash
+func TestTransactionHashLookupNonexistentMessage(t *testing.T) {
+	kit.QuietMiningLogs()
+
+	blocktime := 1 * time.Second
+	client, _, ens := kit.EnsembleMinimal(
+		t,
+		kit.MockProofs(),
+		kit.ThroughRPC(),
+		kit.EthTxHashLookup(),
+	)
+	ens.InterconnectAll().BeginMining(blocktime)
+
+	ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+	defer cancel()
+
+	cid := build.MustParseCid("bafk2bzacecapjnxnyw4talwqv5ajbtbkzmzqiosztj5cb3sortyp73ndjl76e")
+
+	// We shouldn't be able to return a hash for this fake cid
+	chainHash, err := client.EthGetTransactionHashByCid(ctx, cid)
+	require.NoError(t, err)
+	require.Nil(t, chainHash)
+
+	calculatedHash, err := ethtypes.EthHashFromCid(cid)
+	require.NoError(t, err)
+
+	// We shouldn't be able to return a cid for this fake hash
+	chainCid, err := client.EthGetMessageCidByTransactionHash(ctx, &calculatedHash)
+	require.NoError(t, err)
+	require.Nil(t, chainCid)
+}
+
+func TestEthGetMessageCidByTransactionHashEthTx(t *testing.T) {
+	kit.QuietMiningLogs()
+
+	blocktime := 1 * time.Second
+	client, _, ens := kit.EnsembleMinimal(
+		t,
+		kit.MockProofs(),
+		kit.ThroughRPC(),
+		kit.EthTxHashLookup(),
+	)
+	ens.InterconnectAll().BeginMining(blocktime)
+
+	ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+	defer cancel()
+
+	// install contract
+	contractHex, err := os.ReadFile("./contracts/SimpleCoin.hex")
+	require.NoError(t, err)
+
+	contract, err := hex.DecodeString(string(contractHex))
+	require.NoError(t, err)
+
+	// create a new Ethereum account
+	key, ethAddr, deployer := client.EVM().NewAccount()
+
+	// send some funds to the f410 address
+	kit.SendFunds(ctx, t, client, deployer, types.FromFil(10))
+
+	gaslimit, err := client.EthEstimateGas(ctx, ethtypes.EthCall{
+		From: &ethAddr,
+		Data: contract,
+	})
+	require.NoError(t, err)
+
+	maxPriorityFeePerGas, err := client.EthMaxPriorityFeePerGas(ctx)
+	require.NoError(t, err)
+
+	// now deploy a contract from the embryo, and validate it went well
+	tx := ethtypes.EthTxArgs{
+		ChainID:              build.Eip155ChainId,
+		Value:                big.Zero(),
+		Nonce:                0,
+		MaxFeePerGas:         types.NanoFil,
+		MaxPriorityFeePerGas: big.Int(maxPriorityFeePerGas),
+		GasLimit:             int(gaslimit),
+		Input:                contract,
+		V:                    big.Zero(),
+		R:                    big.Zero(),
+		S:                    big.Zero(),
+	}
+
+	client.EVM().SignTransaction(&tx, key.PrivateKey)
+
+	sender, err := tx.Sender()
+	require.NoError(t, err)
+
+	unsignedMessage, err := tx.ToUnsignedMessage(sender)
+	require.NoError(t, err)
+
+	rawTxHash, err := tx.TxHash()
+	require.NoError(t, err)
+
+	hash := client.EVM().SubmitTransaction(ctx, &tx)
+	require.Equal(t, rawTxHash, hash)
+
+	mpoolCid, err := client.EthGetMessageCidByTransactionHash(ctx, &hash)
+	require.NoError(t, err)
+	require.NotNil(t, mpoolCid)
+
+	mpoolTx, err := client.ChainGetMessage(ctx, *mpoolCid)
+	require.NoError(t, err)
+	require.NotNil(t, mpoolTx)
+	require.Equal(t, *unsignedMessage, *mpoolTx)
+
+	// Wait for message to land on chain
+	var receipt *api.EthTxReceipt
+	for i := 0; i < 20; i++ {
+		receipt, err = client.EthGetTransactionReceipt(ctx, hash)
+		if err != nil || receipt == nil {
+			time.Sleep(blocktime)
+			continue
+		}
+		break
+	}
+	require.NoError(t, err)
+	require.NotNil(t, receipt)
+
+	chainCid, err := client.EthGetMessageCidByTransactionHash(ctx, &hash)
+	require.NoError(t, err)
+	require.NotNil(t, chainCid)
+
+	chainTx, err := client.ChainGetMessage(ctx, *mpoolCid)
+	require.NoError(t, err)
+	require.NotNil(t, chainTx)
+	require.Equal(t, *unsignedMessage, *chainTx)
+}
+
+func TestEthGetMessageCidByTransactionHashSecp(t *testing.T) {
+	kit.QuietMiningLogs()
+
+	blocktime := 1 * time.Second
+	client, _, ens := kit.EnsembleMinimal(
+		t,
+		kit.MockProofs(),
+		kit.ThroughRPC(),
+		kit.EthTxHashLookup(),
+	)
+	ens.InterconnectAll().BeginMining(blocktime)
+
+	ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+	defer cancel()
+
+	// get the existing balance from the default wallet to then split it.
+	bal, err := client.WalletBalance(ctx, client.DefaultKey.Address)
+	require.NoError(t, err)
+
+	// create a new address where to send funds.
+	addr, err := client.WalletNew(ctx, types.KTSecp256k1)
+	require.NoError(t, err)
+
+	toSend := big.Div(bal, big.NewInt(2))
+	setupMsg := &types.Message{
+		From:  client.DefaultKey.Address,
+		To:    addr,
+		Value: toSend,
+	}
+
+	setupSmsg, err := client.MpoolPushMessage(ctx, setupMsg, nil)
+	require.NoError(t, err)
+
+	_, err = client.StateWaitMsg(ctx, setupSmsg.Cid(), 3, api.LookbackNoLimit, true)
+	require.NoError(t, err)
+
+	// Send message for secp account
+	secpMsg := &types.Message{
+		From:  addr,
+		To:    client.DefaultKey.Address,
+		Value: big.Div(toSend, big.NewInt(2)),
+	}
+
+	secpSmsg, err := client.MpoolPushMessage(ctx, secpMsg, nil)
+	require.NoError(t, err)
+
+	hash, err := ethtypes.EthHashFromCid(secpSmsg.Cid())
+	require.NoError(t, err)
+
+	mpoolCid, err := client.EthGetMessageCidByTransactionHash(ctx, &hash)
+	require.NoError(t, err)
+	require.NotNil(t, mpoolCid)
+
+	mpoolTx, err := client.ChainGetMessage(ctx, *mpoolCid)
+	require.NoError(t, err)
+	require.NotNil(t, mpoolTx)
+	require.Equal(t, secpSmsg.Message, *mpoolTx)
+
+	_, err = client.StateWaitMsg(ctx, secpSmsg.Cid(), 3, api.LookbackNoLimit, true)
+	require.NoError(t, err)
+
+	chainCid, err := client.EthGetMessageCidByTransactionHash(ctx, &hash)
+	require.NoError(t, err)
+	require.NotNil(t, chainCid)
+
+	chainTx, err := client.ChainGetMessage(ctx, *mpoolCid)
+	require.NoError(t, err)
+	require.NotNil(t, chainTx)
+	require.Equal(t, secpSmsg.Message, *chainTx)
+}
+
+func TestEthGetMessageCidByTransactionHashBLS(t *testing.T) {
+	kit.QuietMiningLogs()
+
+	blocktime := 1 * time.Second
+	client, _, ens := kit.EnsembleMinimal(
+		t,
+		kit.MockProofs(),
+		kit.ThroughRPC(),
+		kit.EthTxHashLookup(),
+	)
+	ens.InterconnectAll().BeginMining(blocktime)
+
+	ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+	defer cancel()
+
+	// get the existing balance from the default wallet to then split it.
+	bal, err := client.WalletBalance(ctx, client.DefaultKey.Address)
+	require.NoError(t, err)
+
+	// create a new address where to send funds.
+	addr, err := client.WalletNew(ctx, types.KTBLS)
+	require.NoError(t, err)
+
+	toSend := big.Div(bal, big.NewInt(2))
+	msg := &types.Message{
+		From:  client.DefaultKey.Address,
+		To:    addr,
+		Value: toSend,
+	}
+
+	sm, err := client.MpoolPushMessage(ctx, msg, nil)
+	require.NoError(t, err)
+
+	hash, err := ethtypes.EthHashFromCid(sm.Cid())
+	require.NoError(t, err)
+
+	mpoolCid, err := client.EthGetMessageCidByTransactionHash(ctx, &hash)
+	require.NoError(t, err)
+	require.NotNil(t, mpoolCid)
+
+	mpoolTx, err := client.ChainGetMessage(ctx, *mpoolCid)
+	require.NoError(t, err)
+	require.NotNil(t, mpoolTx)
+	require.Equal(t, sm.Message, *mpoolTx)
+
+	_, err = client.StateWaitMsg(ctx, sm.Cid(), 3, api.LookbackNoLimit, true)
+	require.NoError(t, err)
+
+	chainCid, err := client.EthGetMessageCidByTransactionHash(ctx, &hash)
+	require.NoError(t, err)
+	require.NotNil(t, chainCid)
+
+	chainTx, err := client.ChainGetMessage(ctx, *mpoolCid)
+	require.NoError(t, err)
+	require.NotNil(t, chainTx)
+	require.Equal(t, sm.Message, *chainTx)
+}
diff --git a/node/config/def.go b/node/config/def.go
index cc301b27625..12efc408fe9 100644
--- a/node/config/def.go
+++ b/node/config/def.go
@@ -109,6 +109,7 @@ func DefaultFullNode() *FullNode {
 		},
 		Fevm: FevmConfig{
 			EnableEthHashToFilecoinCidMapping: false,
+			EthTxHashMappingLifetimeDays:      0,
 		},
 	}
 }
diff --git a/node/impl/full/eth.go b/node/impl/full/eth.go
index 7b35c520605..755aacba192 100644
--- a/node/impl/full/eth.go
+++ b/node/impl/full/eth.go
@@ -45,6 +45,7 @@ type EthModuleAPI interface {
 	EthGetBlockByHash(ctx context.Context, blkHash ethtypes.EthHash, fullTxInfo bool) (ethtypes.EthBlock, error)
 	EthGetBlockByNumber(ctx context.Context, blkNum string, fullTxInfo bool) (ethtypes.EthBlock, error)
 	EthGetTransactionByHash(ctx context.Context, txHash *ethtypes.EthHash) (*ethtypes.EthTx, error)
+	EthGetMessageCidByTransactionHash(ctx context.Context, txHash *ethtypes.EthHash) (*cid.Cid, error)
 	EthGetTransactionHashByCid(ctx context.Context, cid cid.Cid) (*ethtypes.EthHash, error)
 	EthGetTransactionCount(ctx context.Context, sender ethtypes.EthAddress, blkOpt string) (ethtypes.EthUint64, error)
 	EthGetTransactionReceipt(ctx context.Context, txHash ethtypes.EthHash) (*api.EthTxReceipt, error)
@@ -299,8 +300,53 @@ func (a *EthModule) EthGetTransactionByHash(ctx context.Context, txHash *ethtype
 	return nil, nil
 }
 
+func (a *EthModule) EthGetMessageCidByTransactionHash(ctx context.Context, txHash *ethtypes.EthHash) (*cid.Cid, error) {
+	// Ethereum's behavior is to return null when the txHash is invalid, so we use nil to check if txHash is valid
+	if txHash == nil {
+		return nil, nil
+	}
+
+	c := cid.Undef
+	if a.EthTxHashManager != nil {
+		var err error
+		c, err = a.EthTxHashManager.TransactionHashLookup.GetCidFromHash(*txHash)
+		// We fall out of the first condition and continue
+		if errors.Is(err, ethhashlookup.ErrNotFound) {
+			log.Debug("could not find transaction hash %s in lookup table", txHash.String())
+		} else if err != nil {
+			return nil, xerrors.Errorf("database error: %w", err)
+		} else {
+			return &c, nil
+		}
+	}
+	// This isn't an eth transaction we have the mapping for, so let's try looking it up as a filecoin message
+	if c == cid.Undef {
+		c = txHash.ToCid()
+	}
+
+	_, err := a.StateAPI.Chain.GetSignedMessage(ctx, c)
+	if err == nil {
+		// This is an Eth Tx, Secp message, Or BLS message in the mpool
+		return &c, nil
+	}
+
+	_, err = a.StateAPI.Chain.GetMessage(ctx, c)
+	if err == nil {
+		// This is a BLS message
+		return &c, nil
+	}
+
+	// Ethereum clients expect an empty response when the message was not found
+	return nil, nil
+}
+
 func (a *EthModule) EthGetTransactionHashByCid(ctx context.Context, cid cid.Cid) (*ethtypes.EthHash, error) {
 	hash, err := EthTxHashFromFilecoinMessageCid(ctx, cid, a.StateAPI)
+	if hash == ethtypes.EmptyEthHash {
+		// not found
+		return nil, nil
+	}
+
 	return &hash, err
 }
 
@@ -1483,10 +1529,17 @@ func lookupEthAddress(ctx context.Context, addr address.Address, sa StateAPI) (e
 func EthTxHashFromFilecoinMessageCid(ctx context.Context, c cid.Cid, sa StateAPI) (ethtypes.EthHash, error) {
 	smsg, err := sa.Chain.GetSignedMessage(ctx, c)
 	if err == nil {
+		// This is an Eth Tx, Secp message, Or BLS message in the mpool
 		return EthTxHashFromSignedFilecoinMessage(ctx, smsg, sa)
 	}
 
-	return ethtypes.EthHashFromCid(c)
+	_, err = sa.Chain.GetMessage(ctx, c)
+	if err == nil {
+		// This is a BLS message
+		return ethtypes.EthHashFromCid(c)
+	}
+
+	return ethtypes.EmptyEthHash, nil
 }
 
 func EthTxHashFromSignedFilecoinMessage(ctx context.Context, smsg *types.SignedMessage, sa StateAPI) (ethtypes.EthHash, error) {