diff --git a/eth/catalyst/simulated_beacon.go b/eth/catalyst/simulated_beacon.go
index c71add93bc..29f3fbd5ad 100644
--- a/eth/catalyst/simulated_beacon.go
+++ b/eth/catalyst/simulated_beacon.go
@@ -158,6 +158,11 @@ func (c *SimulatedBeacon) Stop() error {
 	return nil
 }
 
+// Oasys: Returns the simulated Ethereum.
+func (c *SimulatedBeacon) Ethereum() *eth.Ethereum {
+	return c.eth
+}
+
 // sealBlock initiates payload building for a new block and creates a new block
 // with the completed payload.
 func (c *SimulatedBeacon) sealBlock(withdrawals []*types.Withdrawal, timestamp uint64) error {
diff --git a/ethclient/simulated/backend.go b/ethclient/simulated/backend.go
index 65d44b9efa..74d848f767 100644
--- a/ethclient/simulated/backend.go
+++ b/ethclient/simulated/backend.go
@@ -29,6 +29,7 @@ import (
 	"github.com/ethereum/go-ethereum/eth/ethconfig"
 	"github.com/ethereum/go-ethereum/eth/filters"
 	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/ethclient/gethclient"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/params"
@@ -62,6 +63,8 @@ type simClient struct {
 // Backend is a simulated blockchain. You can use it to test your contracts or
 // other code that interacts with the Ethereum chain.
 type Backend struct {
+	gethclient *gethclient.Client // Added by Oasys
+
 	node   *node.Node
 	beacon *catalyst.SimulatedBeacon
 	client simClient
@@ -129,6 +132,8 @@ func newWithNode(stack *node.Node, conf *eth.Config, blockPeriod uint64) (*Backe
 		return nil, err
 	}
 	return &Backend{
+		gethclient: gethclient.New(stack.Attach()), // Added by Oasys
+
 		node:   stack,
 		beacon: beacon,
 		client: simClient{ethclient.NewClient(stack.Attach())},
@@ -190,3 +195,13 @@ func (n *Backend) AdjustTime(adjustment time.Duration) error {
 func (n *Backend) Client() Client {
 	return n.client
 }
+
+// Oasys: GethClient returns a gethclient that accesses the simulated chain.
+func (n *Backend) GethClient() *gethclient.Client {
+	return n.gethclient
+}
+
+// Oasys: Blockchain returns the simulated chain.
+func (n *Backend) Blockchain() *core.BlockChain {
+	return n.beacon.Ethereum().BlockChain()
+}