diff --git a/clients/ops-bss/Dockerfile b/clients/ops-bss/Dockerfile
new file mode 100644
index 0000000000..9fe05bd7b0
--- /dev/null
+++ b/clients/ops-bss/Dockerfile
@@ -0,0 +1,20 @@
+FROM golang:1.18.0-alpine3.15 as builder
+
+RUN apk add --no-cache make gcc musl-dev linux-headers git jq bash
+
+RUN git clone https://github.com/ethereum-optimism/optimistic-specs /app
+
+WORKDIR /app
+RUN make op-batcher
+
+FROM alpine:3.15
+
+RUN apk add jq curl
+
+COPY --from=builder /app/op-batcher/bin/op-batcher /usr/local/bin
+COPY ./bss-entrypoint.sh /bss-entrypoint.sh
+COPY ./rollup.json /rollup.json
+
+RUN op-batcher --version 2>/dev/null | head -1 > /version.txt
+
+ENTRYPOINT ["/bin/sh", "/bss-entrypoint.sh"]
diff --git a/clients/ops-bss/bss-entrypoint.sh b/clients/ops-bss/bss-entrypoint.sh
new file mode 100644
index 0000000000..151b88ed18
--- /dev/null
+++ b/clients/ops-bss/bss-entrypoint.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+set -exu
+
+# Generate the bss config.
+
+L2_URL="http://172.17.0.4:9545"
+
+# Grab the L2 genesis. We can use cURL here to retry.
+L2_GENESIS=$(curl \
+    --silent \
+    --fail \
+    --retry 10 \
+    --retry-delay 2 \
+    --retry-connrefused \
+    -X POST \
+    -H "Content-Type: application/json" \
+    --data '{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["0x0", false],"id":1}' \
+    $L2_URL)
+
+SEQUENCER_GENESIS_HASH="$(echo $L2_GENESIS | jq -r '.result.hash')"
+SEQUENCER_BATCH_INBOX_ADDRESS="$(cat /rollup.json | jq -r '.batch_inbox_address')"
+
+exec op-batcher \
+    --l1-eth-rpc=http://172.17.0.3:8545 \
+    --l2-eth-rpc=http://172.17.0.4:9545 \
+    --rollup-rpc=http://172.17.0.5:7545 \
+    --min-l1-tx-size-bytes=1 \
+    --max-l1-tx-size-bytes=120000 \
+    --poll-interval=1s \
+    --num-confirmations=1 \
+    --safe-abort-nonce-too-low-count=3 \
+    --resubmission-timeout=30s \
+    --mnemonic="test test test test test test test test test test test junk" \
+    --sequencer-hd-path="m/44'/60'/0'/0/2" \
+    --sequencer-history-db-filename="history_db.json" \
+    --sequencer-genesis-hash=$SEQUENCER_GENESIS_HASH \
+    --sequencer-batch-inbox-address=$SEQUENCER_BATCH_INBOX_ADDRESS \
+    --log-terminal=true
diff --git a/clients/ops-bss/bss-key.txt b/clients/ops-bss/bss-key.txt
new file mode 100644
index 0000000000..0994f47ba0
--- /dev/null
+++ b/clients/ops-bss/bss-key.txt
@@ -0,0 +1 @@
+bf7604d9d3a1c7748642b1b7b05c2bd219c9faa91458b370f85e5a40f3b03af7
\ No newline at end of file
diff --git a/clients/ops-bss/hive.yaml b/clients/ops-bss/hive.yaml
new file mode 100644
index 0000000000..00671d08b5
--- /dev/null
+++ b/clients/ops-bss/hive.yaml
@@ -0,0 +1,2 @@
+roles:
+  - "ops-bss"
diff --git a/clients/ops-bss/rollup.json b/clients/ops-bss/rollup.json
new file mode 100644
index 0000000000..da0f7d0fbb
--- /dev/null
+++ b/clients/ops-bss/rollup.json
@@ -0,0 +1,33 @@
+{
+  "genesis": {
+    "l1": {
+      "hash": "0x21837b23495539c19e4b85d3d115c740c677d2609480eb67c3b2bb218a3ffd8f",
+      "number": 0
+    },
+    "l2": {
+      "hash": "0x00574ae7ed85cf485dd148011ab78c138becdd65b3078bd46c94c55766c8fc7a",
+      "number": 0
+    },
+    "l2_time": 1647573629
+  },
+
+  "block_time": 2,
+
+  "max_sequencer_drift": 10,
+
+  "seq_window_size": 2,
+
+  "l1_chain_id": 900,
+
+  "l2_chain_id": 901,
+
+  "p2p_sequencer_address": "0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc",
+
+  "fee_recipient_address":  "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266",
+
+  "batch_inbox_address":  "0xff00000000000000000000000000000000000002",
+
+  "batch_sender_address": "0x3C44CdDdB6a900fa2b585dd299e03d12FA4293BC",
+
+  "deposit_contract_address": "0xdeaddeaddeaddeaddeaddeaddeaddeaddead0001"
+}
diff --git a/clients/ops-l1/genesis.json b/clients/ops-l1/genesis.json
index 74f1a1b666..d766ef98cd 100644
--- a/clients/ops-l1/genesis.json
+++ b/clients/ops-l1/genesis.json
@@ -796,6 +796,9 @@
     "de3829a23df1479438622a08a116e8eb3f620bb5": {
       "balance": "0x200000000000000000000000000000000000000000000000000000000000000"
     },
+    "3C44CdDdB6a900fa2b585dd299e03d12FA4293BC": {
+      "balance": "0x200000000000000000000000000000000000000000000000000000000000000"
+    },
     "f39fd6e51aad88f6f4ce6ab8827279cfffb92266": {
       "balance": "0x200000000000000000000000000000000000000000000000000000000000000"
     },
diff --git a/clients/ops-l2os/Dockerfile b/clients/ops-l2os/Dockerfile
index 36044c2ce2..10ffe6bc3c 100644
--- a/clients/ops-l2os/Dockerfile
+++ b/clients/ops-l2os/Dockerfile
@@ -5,16 +5,16 @@ RUN apk add --no-cache make gcc musl-dev linux-headers git jq bash
 RUN git clone https://github.com/ethereum-optimism/optimistic-specs /app
 
 WORKDIR /app
-RUN make l2os
+RUN make op-proposer
 
 FROM alpine:3.15
 
 RUN apk add --no-cache curl jq
 
-COPY --from=builder /app/bin/l2os /usr/local/bin
+COPY --from=builder /app/op-proposer/bin/op-proposer /usr/local/bin
 COPY l2os-entrypoint.sh /l2os-entrypoint.sh
 
-RUN /app/bin/l2os --version 2>/dev/null | head -1 > /version.txt
+RUN op-proposer --version 2>/dev/null | head -1 > /version.txt
 
 # TODO
 # RUN export L2OO_ADDRESS=
diff --git a/clients/ops-l2os/l2os-entrypoint.sh b/clients/ops-l2os/l2os-entrypoint.sh
index 03ebc5d1bd..e023cc4e89 100644
--- a/clients/ops-l2os/l2os-entrypoint.sh
+++ b/clients/ops-l2os/l2os-entrypoint.sh
@@ -13,14 +13,15 @@ curl \
 
 L2OO_ADDRESS=$(jq -r .address < /L2OutputOracle.json)
 
-exec l2os \
+exec op-proposer \
     --l1-eth-rpc http://172.17.0.3:8545 \
     --l2-eth-rpc http://172.17.0.4:9545 \
     --rollup-rpc http://172.17.0.5:7545 \
-    --l2oo-address $L2OO_ADDRESS \
     --poll-interval 10s \
     --num-confirmations 1 \
     --safe-abort-nonce-too-low-count 3 \
     --resubmission-timeout 30s \
     --mnemonic "test test test test test test test test test test test junk" \
-    --l2-output-hd-path "m/44'/60'/0'/0/1"
+    --l2-output-hd-path "m/44'/60'/0'/0/1" \
+    --l2oo-address $L2OO_ADDRESS \
+    --log-terminal=true
diff --git a/clients/ops-opnode/Dockerfile b/clients/ops-opnode/Dockerfile
index 1ca83aa760..438a86b220 100644
--- a/clients/ops-opnode/Dockerfile
+++ b/clients/ops-opnode/Dockerfile
@@ -5,20 +5,20 @@ RUN apk add --no-cache make gcc musl-dev linux-headers git jq bash
 RUN git clone https://github.com/ethereum-optimism/optimistic-specs /app
 
 WORKDIR /app
-RUN make opnode
+RUN make op-node
 
 FROM alpine:3.15
 
 RUN apk add jq curl
 
-COPY --from=builder /app/bin/op /usr/local/bin
+COPY --from=builder /app/op-node/bin/op-node /usr/local/bin
 COPY ./opnode-entrypoint.sh /opnode-entrypoint.sh
 COPY ./rollup.json /rollup.json
-RUN mkdir /config
-RUN mkdir /hive
-COPY ./bss-key.txt /config
+RUN mkdir /hive /config
+COPY p2p-node-key.txt /config
+COPY p2p-sequencer-key.txt /config
 
-RUN /app/bin/opnode --version 2>/dev/null | head -1 > /version.txt
+RUN op-node --version 2>/dev/null | head -1 > /version.txt
 
 EXPOSE 7545/tcp
 
diff --git a/clients/ops-opnode/opnode-entrypoint.sh b/clients/ops-opnode/opnode-entrypoint.sh
index 0a0998227e..a226c22b56 100644
--- a/clients/ops-opnode/opnode-entrypoint.sh
+++ b/clients/ops-opnode/opnode-entrypoint.sh
@@ -37,12 +37,17 @@ jq ". | .genesis.l1.hash = \"$(echo $L1_GENESIS | jq -r '.result.hash')\"" < /ro
    jq ". | .genesis.l2_time = $(echo $L2_GENESIS | jq -r '.result.timestamp' | xargs printf "%d")" | \
    jq ". | .deposit_contract_address = \"$DEPOSIT_CONTRACT_ADDRESS\"" > /hive/rollup.json
 
-exec op \
+exec op-node \
     --l1=ws://172.17.0.3:8546 \
     --l2=ws://172.17.0.4:9546 \
     --sequencing.enabled \
+    --p2p.sequencer.key=/config/p2p-sequencer-key.txt \
     --rollup.config=/hive/rollup.json \
-    --batchsubmitter.key=/config/bss-key.txt \
     --l2.eth=http://172.17.0.4:9545 \
     --rpc.addr=0.0.0.0 \
-    --rpc.port=7545
+    --rpc.port=7545 \
+    --p2p.listen.ip=0.0.0.0 \
+    --p2p.listen.tcp=9003 \
+    --p2p.listen.udp=9003 \
+    --snapshotlog.file=/snapshot.log \
+    --p2p.priv.path=/config/p2p-node-key.txt
diff --git a/clients/ops-opnode/p2p-node-key.txt b/clients/ops-opnode/p2p-node-key.txt
new file mode 100644
index 0000000000..890c029bcd
--- /dev/null
+++ b/clients/ops-opnode/p2p-node-key.txt
@@ -0,0 +1 @@
+dae4671006c60a3619556ace98eca6f6e092948d05b13070a27ac492a4fba419
diff --git a/clients/ops-opnode/p2p-sequencer-key.txt b/clients/ops-opnode/p2p-sequencer-key.txt
new file mode 100644
index 0000000000..12347b2e0b
--- /dev/null
+++ b/clients/ops-opnode/p2p-sequencer-key.txt
@@ -0,0 +1 @@
+8b3a350cf5c34c9194ca85829a2df0ec3153be0318b5e2d3348e872092edffba
diff --git a/clients/ops-opnode/rollup.json b/clients/ops-opnode/rollup.json
index 7285c0391d..da0f7d0fbb 100644
--- a/clients/ops-opnode/rollup.json
+++ b/clients/ops-opnode/rollup.json
@@ -19,11 +19,15 @@
 
   "l1_chain_id": 900,
 
+  "l2_chain_id": 901,
+
+  "p2p_sequencer_address": "0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc",
+
   "fee_recipient_address":  "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266",
 
   "batch_inbox_address":  "0xff00000000000000000000000000000000000002",
 
-  "batch_sender_address": "0xde3829a23df1479438622a08a116e8eb3f620bb5",
+  "batch_sender_address": "0x3C44CdDdB6a900fa2b585dd299e03d12FA4293BC",
 
   "deposit_contract_address": "0xdeaddeaddeaddeaddeaddeaddeaddeaddead0001"
 }
diff --git a/simulators/optimism/devnet/devnet.go b/simulators/optimism/devnet/devnet.go
index 0847e1e739..d1bbc2f247 100644
--- a/simulators/optimism/devnet/devnet.go
+++ b/simulators/optimism/devnet/devnet.go
@@ -37,11 +37,12 @@ type Devnet struct {
 	l2   *L2Node
 	op   *OpNode
 	l2os *L2OSNode
+	bss  *BSSNode
 
 	genesisTimestamp   string
 	withdrawerBytecode string
 	l1BlockBytecode    string
-	l2Genesis string
+	l2Genesis          string
 
 	l2OutputOracle string
 	optimismPortal string
@@ -55,7 +56,7 @@ func (d *Devnet) Start() {
 	if err != nil {
 		d.t.Fatal(err)
 	}
-	var eth1, l2, op, l2os *hivesim.ClientDefinition
+	var eth1, l2, op, l2os, bss *hivesim.ClientDefinition
 	for _, client := range clientTypes {
 		if client.HasRole("ops-l1") {
 			eth1 = client
@@ -69,10 +70,13 @@ func (d *Devnet) Start() {
 		if client.HasRole("ops-l2os") {
 			l2os = client
 		}
+		if client.HasRole("ops-bss") {
+			bss = client
+		}
 	}
 
-	if eth1 == nil || l2 == nil || op == nil || l2os == nil {
-		d.t.Fatal("ops-l1, ops-l2, ops-opnode, ops-l2os required")
+	if eth1 == nil || l2 == nil || op == nil || l2os == nil || bss == nil {
+		d.t.Fatal("ops-l1, ops-l2, ops-opnode, ops-l2os, ops-bss required")
 	}
 
 	// Generate genesis for execution clients
@@ -97,6 +101,7 @@ func (d *Devnet) Start() {
 	d.nodes["ops-l2"] = l2
 	d.nodes["ops-opnode"] = op
 	d.nodes["ops-l2os"] = l2os
+	d.nodes["ops-bss"] = bss
 }
 
 func (d *Devnet) Wait() error {
@@ -156,11 +161,11 @@ func (d *Devnet) StartL2() error {
 	l2 := d.nodes["ops-l2"]
 
 	executionOpts := hivesim.Params{
-		"HIVE_CHECK_LIVE_PORT":     "9545",
-		"HIVE_LOGLEVEL":            os.Getenv("HIVE_LOGLEVEL"),
-		"HIVE_NODETYPE":            "full",
-		"HIVE_NETWORK_ID":          networkID.String(),
-		"HIVE_CHAIN_ID":            chainID.String(),
+		"HIVE_CHECK_LIVE_PORT": "9545",
+		"HIVE_LOGLEVEL":        os.Getenv("HIVE_LOGLEVEL"),
+		"HIVE_NODETYPE":        "full",
+		"HIVE_NETWORK_ID":      networkID.String(),
+		"HIVE_CHAIN_ID":        chainID.String(),
 	}
 
 	genesisTimestampOpt := hivesim.WithDynamicFile("/genesis_timestamp", bytesSource([]byte(d.genesisTimestamp)))
@@ -211,3 +216,19 @@ func (d *Devnet) StartL2OS() error {
 	d.op = &OpNode{d.t.StartClient(op.Name, opts...)}
 	return nil
 }
+
+func (d *Devnet) StartBSS() error {
+	op := d.nodes["ops-bss"]
+
+	executionOpts := hivesim.Params{
+		"HIVE_CHECK_LIVE_PORT":  "0",
+		"HIVE_CATALYST_ENABLED": "1",
+		"HIVE_LOGLEVEL":         os.Getenv("HIVE_LOGLEVEL"),
+		"HIVE_NODETYPE":         "full",
+	}
+
+	optimismPortalOpt := hivesim.WithDynamicFile("/OptimismPortal.json", bytesSource([]byte(d.optimismPortal)))
+	opts := []hivesim.StartOption{executionOpts, optimismPortalOpt}
+	d.op = &OpNode{d.t.StartClient(op.Name, opts...)}
+	return nil
+}
diff --git a/simulators/optimism/devnet/go.mod b/simulators/optimism/devnet/go.mod
index a34732593a..efd5b94d02 100644
--- a/simulators/optimism/devnet/go.mod
+++ b/simulators/optimism/devnet/go.mod
@@ -2,46 +2,50 @@ module github.com/ethereum-optimism/hive/simulators/optimism/devnet
 
 go 1.17
 
-replace github.com/ethereum/go-ethereum v1.10.15 => github.com/ethereum-optimism/reference-optimistic-geth v0.0.0-20220411203319-ad60590374c8
+replace github.com/ethereum/go-ethereum v1.10.17 => github.com/ethereum-optimism/reference-optimistic-geth v0.0.0-20220512193241-32ef0bba48ce
 
 require (
-	github.com/ethereum/go-ethereum v1.10.15
-	github.com/ethereum/hive v0.0.0-20220214133341-52d82682a461
-	github.com/kr/pretty v0.2.1
+	github.com/ethereum/go-ethereum v1.10.17
+	github.com/ethereum/hive v0.0.0-20220506091324-ee8d44878b25
+	github.com/kr/pretty v0.3.0
 )
 
 require (
-	github.com/StackExchange/wmi v0.0.0-20210224194228-fe8f1750fd46 // indirect
-	github.com/VictoriaMetrics/fastcache v1.6.0 // indirect
-	github.com/btcsuite/btcd/btcec/v2 v2.1.2 // indirect
+	github.com/StackExchange/wmi v1.2.1 // indirect
+	github.com/VictoriaMetrics/fastcache v1.10.0 // indirect
+	github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect
 	github.com/cespare/cp v1.1.1 // indirect
-	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/deckarep/golang-set v1.8.0 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
 	github.com/gballet/go-libpcsclite v0.0.0-20191108122812-4678299bea08 // indirect
 	github.com/go-kit/kit v0.9.0 // indirect
-	github.com/go-ole/go-ole v1.2.5 // indirect
-	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/go-ole/go-ole v1.2.6 // indirect
+	github.com/go-stack/stack v1.8.1 // indirect
+	github.com/golang-jwt/jwt/v4 v4.4.1 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
-	github.com/google/uuid v1.2.0 // indirect
-	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d // indirect
 	github.com/holiman/bloomfilter/v2 v2.0.3 // indirect
 	github.com/holiman/uint256 v1.2.0 // indirect
 	github.com/kr/text v0.2.0 // indirect
-	github.com/mattn/go-runewidth v0.0.9 // indirect
+	github.com/mattn/go-runewidth v0.0.13 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/onsi/gomega v1.10.3 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/tsdb v0.10.0 // indirect
+	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/rjeczalik/notify v0.9.2 // indirect
-	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
+	github.com/rogpeppe/go-internal v1.8.1 // indirect
+	github.com/shirou/gopsutil v3.21.11+incompatible // indirect
 	github.com/status-im/keycard-go v0.0.0-20190424133014-d95853db0f48 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 // indirect
-	github.com/tklauser/go-sysconf v0.3.5 // indirect
-	github.com/tklauser/numcpus v0.2.2 // indirect
+	github.com/tklauser/go-sysconf v0.3.10 // indirect
+	github.com/tklauser/numcpus v0.5.0 // indirect
 	github.com/tyler-smith/go-bip39 v1.0.2 // indirect
-	golang.org/x/crypto v0.0.0-20211202192323-5770296d904e // indirect
-	golang.org/x/sys v0.0.0-20211124211545-fe61309f8881 // indirect
+	github.com/yusufpapurcu/wmi v1.2.2 // indirect
+	golang.org/x/crypto v0.0.0-20220516162934-403b01795ae8 // indirect
+	golang.org/x/sys v0.0.0-20220513210249-45d2b4557a2a // indirect
 	gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect
 )
diff --git a/simulators/optimism/devnet/go.sum b/simulators/optimism/devnet/go.sum
index 42bbcaf6f3..c1534741d1 100644
--- a/simulators/optimism/devnet/go.sum
+++ b/simulators/optimism/devnet/go.sum
@@ -28,8 +28,12 @@ github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAE
 github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/StackExchange/wmi v0.0.0-20210224194228-fe8f1750fd46 h1:5sXbqlSomvdjlRbWyNqkPsJ3Fg+tQZCbgeX1VGljbQY=
 github.com/StackExchange/wmi v0.0.0-20210224194228-fe8f1750fd46/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
+github.com/StackExchange/wmi v1.2.1 h1:VIkavFPXSjcnS+O8yTq7NI32k0R5Aj+v39y29VYDOSA=
+github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9SBzvHz7e8=
 github.com/VictoriaMetrics/fastcache v1.6.0 h1:C/3Oi3EiBCqufydp1neRZkqcwmEiuRT9c3fqvvgKm5o=
 github.com/VictoriaMetrics/fastcache v1.6.0/go.mod h1:0qHz5QP0GMX4pfmMA/zt5RgfNuXJrTP0zS7DqpHGGTw=
+github.com/VictoriaMetrics/fastcache v1.10.0 h1:5hDJnLsKLpnUEToub7ETuRu8RCkb40woBZAUiKonXzY=
+github.com/VictoriaMetrics/fastcache v1.10.0/go.mod h1:tjiYeEfYXCqacuvYw/7UoDIeJaNxq6132xHICNP77w8=
 github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
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@@ -53,15 +57,22 @@ github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx2
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@@ -100,15 +111,23 @@ github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.m
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@@ -129,17 +148,23 @@ github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V
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@@ -181,6 +206,8 @@ github.com/google/pprof v0.0.0-20191218002539-d4f498aebedc/go.mod h1:ZgVRPoUq/hf
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@@ -188,6 +215,8 @@ github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
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@@ -200,6 +229,7 @@ github.com/holiman/bloomfilter/v2 v2.0.3/go.mod h1:zpoh+gs7qcpqrHr3dB55AMiJwo0iU
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@@ -242,10 +272,13 @@ github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFB
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@@ -267,6 +300,8 @@ github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Ky
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@@ -287,6 +322,7 @@ github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn
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@@ -302,6 +338,7 @@ github.com/peterh/liner v1.0.1-0.20180619022028-8c1271fcf47f/go.mod h1:xIteQHvHu
 github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7/go.mod h1:CRroGNssyjTd/qIG2FyxByd2S8JEAZXBl4qUrZf8GS0=
 github.com/philhofer/fwd v1.0.0/go.mod h1:gk3iGcWd9+svBvR0sR+KPcfE+RNWozjowpeBVG3ZVNU=
 github.com/pierrec/lz4 v2.0.5+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
+github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
@@ -323,10 +360,15 @@ github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40T
 github.com/prometheus/tsdb v0.10.0 h1:If5rVCMTp6W2SiRAQFlbpJNgVlgMEd+U2GZckwK38ic=
 github.com/prometheus/tsdb v0.10.0/go.mod h1:oi49uRhEe9dPUTlS3JRZOwJuVi6tmh10QSgwXEyGCt4=
 github.com/retailnext/hllpp v1.0.1-0.20180308014038-101a6d2f8b52/go.mod h1:RDpi1RftBQPUCDRw6SmxeaREsAaRKnOclghuzp/WRzc=
+github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rjeczalik/notify v0.9.1/go.mod h1:rKwnCoCGeuQnwBtTSPL9Dad03Vh2n40ePRrjvIXnJho=
 github.com/rjeczalik/notify v0.9.2 h1:MiTWrPj55mNDHEiIX5YUSKefw/+lCQVoAFmD6oQm5w8=
 github.com/rjeczalik/notify v0.9.2/go.mod h1:aErll2f0sUX9PXZnVNyeiObbmTlk5jnMoCa4QEjJeqM=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
+github.com/rogpeppe/go-internal v1.6.1/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
+github.com/rogpeppe/go-internal v1.8.1 h1:geMPLpDpQOgVyCg5z5GoRwLHepNdb71NXb67XFkP+Eg=
+github.com/rogpeppe/go-internal v1.8.1/go.mod h1:JeRgkft04UBgHMgCIwADu4Pn6Mtm5d4nPKWu0nJ5d+o=
 github.com/rs/cors v1.7.0 h1:+88SsELBHx5r+hZ8TCkggzSstaWNbDvThkVK8H6f9ik=
 github.com/rs/cors v1.7.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
@@ -335,6 +377,8 @@ github.com/segmentio/kafka-go v0.2.0/go.mod h1:X6itGqS9L4jDletMsxZ7Dz+JFWxM6JHfP
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
 github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible h1:Bn1aCHHRnjv4Bl16T8rcaFjYSrGrIZvpiGO6P3Q4GpU=
 github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
+github.com/shirou/gopsutil v3.21.11+incompatible h1:+1+c1VGhc88SSonWP6foOcLhvnKlUeu/erjjvaPEYiI=
+github.com/shirou/gopsutil v3.21.11+incompatible/go.mod h1:5b4v6he4MtMOwMlS0TUMTu2PcXUg8+E1lC7eC3UO/RA=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
@@ -360,8 +404,14 @@ github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7/go.mod h1:q4W45
 github.com/tinylib/msgp v1.0.2/go.mod h1:+d+yLhGm8mzTaHzB+wgMYrodPfmZrzkirds8fDWklFE=
 github.com/tklauser/go-sysconf v0.3.5 h1:uu3Xl4nkLzQfXNsWn15rPc/HQCJKObbt1dKJeWp3vU4=
 github.com/tklauser/go-sysconf v0.3.5/go.mod h1:MkWzOF4RMCshBAMXuhXJs64Rte09mITnppBXY/rYEFI=
+github.com/tklauser/go-sysconf v0.3.10 h1:IJ1AZGZRWbY8T5Vfk04D9WOA5WSejdflXxP03OUqALw=
+github.com/tklauser/go-sysconf v0.3.10/go.mod h1:C8XykCvCb+Gn0oNCWPIlcb0RuglQTYaQ2hGm7jmxEFk=
 github.com/tklauser/numcpus v0.2.2 h1:oyhllyrScuYI6g+h/zUvNXNp1wy7x8qQy3t/piefldA=
 github.com/tklauser/numcpus v0.2.2/go.mod h1:x3qojaO3uyYt0i56EW/VUYs7uBvdl2fkfZFu0T9wgjM=
+github.com/tklauser/numcpus v0.4.0 h1:E53Dm1HjH1/R2/aoCtXtPgzmElmn51aOkhCFSuZq//o=
+github.com/tklauser/numcpus v0.4.0/go.mod h1:1+UI3pD8NW14VMwdgJNJ1ESk2UnwhAnz5hMwiKKqXCQ=
+github.com/tklauser/numcpus v0.5.0 h1:ooe7gN0fg6myJ0EKoTAf5hebTZrH52px3New/D9iJ+A=
+github.com/tklauser/numcpus v0.5.0/go.mod h1:OGzpTxpcIMNGYQdit2BYL1pvk/dSOaJWjKoflh+RQjo=
 github.com/tyler-smith/go-bip39 v1.0.1-0.20181017060643-dbb3b84ba2ef/go.mod h1:sJ5fKU0s6JVwZjjcUEX2zFOnvq0ASQ2K9Zr6cf67kNs=
 github.com/tyler-smith/go-bip39 v1.0.2 h1:+t3w+KwLXO6154GNJY+qUtIxLTmFjfUmpguQT1OlOT8=
 github.com/tyler-smith/go-bip39 v1.0.2/go.mod h1:sJ5fKU0s6JVwZjjcUEX2zFOnvq0ASQ2K9Zr6cf67kNs=
@@ -372,6 +422,8 @@ github.com/valyala/fasttemplate v1.2.1/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+
 github.com/willf/bitset v1.1.3/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
 github.com/xlab/treeprint v0.0.0-20180616005107-d6fb6747feb6/go.mod h1:ce1O1j6UtZfjr22oyGxGLbauSBp2YVXpARAosm7dHBg=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yusufpapurcu/wmi v1.2.2 h1:KBNDSne4vP5mbSWnJbO+51IMOXJB67QiYCSBrubbPRg=
+github.com/yusufpapurcu/wmi v1.2.2/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
@@ -390,6 +442,10 @@ golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWP
 golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20211202192323-5770296d904e h1:MUP6MR3rJ7Gk9LEia0LP2ytiH6MuCfs7qYz+47jGdD8=
 golang.org/x/crypto v0.0.0-20211202192323-5770296d904e/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.0.0-20220511200225-c6db032c6c88 h1:Tgea0cVUD0ivh5ADBX4WwuI12DUd2to3nCYe2eayMIw=
+golang.org/x/crypto v0.0.0-20220511200225-c6db032c6c88/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.0.0-20220516162934-403b01795ae8 h1:y+mHpWoQJNAHt26Nhh6JP7hvM71IRZureyvZhoVALIs=
+golang.org/x/crypto v0.0.0-20220516162934-403b01795ae8/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -500,6 +556,12 @@ golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210816183151-1e6c022a8912/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211124211545-fe61309f8881 h1:TyHqChC80pFkXWraUUf6RuB5IqFdQieMLwwCJokV2pc=
 golang.org/x/sys v0.0.0-20211124211545-fe61309f8881/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220128215802-99c3d69c2c27/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220405052023-b1e9470b6e64/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220503163025-988cb79eb6c6 h1:nonptSpoQ4vQjyraW20DXPAglgQfVnM9ZC6MmNLMR60=
+golang.org/x/sys v0.0.0-20220503163025-988cb79eb6c6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220513210249-45d2b4557a2a h1:N2T1jUrTQE9Re6TFF5PhvEHXHCguynGhKjWVsIUt5cY=
+golang.org/x/sys v0.0.0-20220513210249-45d2b4557a2a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -539,6 +601,7 @@ golang.org/x/tools v0.0.0-20191113191852-77e3bb0ad9e7/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191115202509-3a792d9c32b2/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191126055441-b0650ceb63d9/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191216173652-a0e659d51361/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200108203644-89082a384178/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
diff --git a/simulators/optimism/devnet/main.go b/simulators/optimism/devnet/main.go
index bcba87cf85..e991b30ac8 100644
--- a/simulators/optimism/devnet/main.go
+++ b/simulators/optimism/devnet/main.go
@@ -102,6 +102,7 @@ func runAllTests(t *hivesim.T) {
 	d.InitOp()
 	d.StartOp()
 	d.StartL2OS()
+	d.StartBSS()
 
 	c := d.l2.Client
 
diff --git a/simulators/optimism/devnet/nodes.go b/simulators/optimism/devnet/nodes.go
index 1580635435..a6635e3ddc 100644
--- a/simulators/optimism/devnet/nodes.go
+++ b/simulators/optimism/devnet/nodes.go
@@ -17,3 +17,7 @@ type OpNode struct {
 type L2OSNode struct {
 	*hivesim.Client
 }
+
+type BSSNode struct {
+	*hivesim.Client
+}