From 84c45bc3217ac21d47d4b548f2b5e5165baaa21c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Wed, 8 Oct 2025 09:17:54 +0200
Subject: [PATCH 01/19] Add flag and help

---
 test-node.bash | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test-node.bash b/test-node.bash
index 79912d93..0928e274 100755
--- a/test-node.bash
+++ b/test-node.bash
@@ -60,6 +60,7 @@ devprivkey=b6b15c8cb491557369f3c7d2c287b053eb229daa9c22138887752191c9520659
 l1chainid=1337
 simple=true
 l2anytrust=false
+l2referenceda=false
 l2timeboost=false
 
 # Use the dev versions of nitro/blockscout
@@ -262,6 +263,10 @@ while [[ $# -gt 0 ]]; do
             l2anytrust=true
             shift
             ;;
+        --l2-referenceda)
+            l2referenceda=true
+            shift
+            ;;
         --l2-timeboost)
             l2timeboost=true
             shift
@@ -301,6 +306,7 @@ while [[ $# -gt 0 ]]; do
             echo --l3-fee-token-decimals Number of decimals to use for custom fee token. Only valid if also '--l3-fee-token' is provided
             echo --l3-token-bridge Deploy L2-L3 token bridge. Only valid if also '--l3node' is provided
             echo --l2-anytrust     run the L2 as an AnyTrust chain
+            echo --l2-referenceda  run the L2 with reference external data availability provider
             echo --l2-timeboost    run the L2 with Timeboost enabled, including auctioneer and bid validator
             echo --batchposters    batch posters [0-3]
             echo --redundantsequencers redundant sequencers [0-3]

From 26011c83a006cce6c20a42220d37945c3b5faed8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Wed, 8 Oct 2025 10:54:00 +0200
Subject: [PATCH 02/19] Add new service

---
 docker-compose.yaml | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/docker-compose.yaml b/docker-compose.yaml
index d2a082ae..7013a303 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -431,6 +431,18 @@ services:
     command:
       - --conf.file=/config/l2_das_mirror.json
 
+  referenceda-provider:
+    pid: host # allow debugging
+    image: nitro-node-dev-testnode
+    entrypoint: /usr/local/bin/daprovider
+    ports:
+      - "127.0.0.1:9880:9880"
+    volumes:
+      - "config:/config"
+      - "referenceda-provider:/data"
+    command:
+      - --conf.file=/config/referenceda_provider.json
+
   timeboost-auctioneer:
     pid: host # allow debugging
     image: nitro-node-dev-testnode
@@ -481,4 +493,5 @@ volumes:
   das-committee-a-data:
   das-committee-b-data:
   das-mirror-data:
+  referenceda-provider:
   timeboost-auctioneer-data:

From 704b1d03063a47c93110e9ed389a200b9018557f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Wed, 8 Oct 2025 10:54:19 +0200
Subject: [PATCH 03/19] Ensure that at most 1 mode is selected

---
 test-node.bash | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test-node.bash b/test-node.bash
index 0928e274..04eaf2e9 100755
--- a/test-node.bash
+++ b/test-node.bash
@@ -357,6 +357,10 @@ if [ $batchposters -gt 2 ]; then
     NODES="$NODES poster_c"
 fi
 
+if $l2anytrust && $l2referenceda; then
+    echo "Error: --l2-anytrust and --l2-referenceda cannot be enabled at the same time."
+    exit 1
+fi
 
 if $validate; then
     NODES="$NODES validator"

From 9dd13b8478fec9c28e13aebd8374e0a4c1b115b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Wed, 8 Oct 2025 11:12:04 +0200
Subject: [PATCH 04/19] Write chain config

---
 scripts/config.ts | 7 ++++++-
 test-node.bash    | 9 ++++++---
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/scripts/config.ts b/scripts/config.ts
index 7eb256e2..c342a0bb 100644
--- a/scripts/config.ts
+++ b/scripts/config.ts
@@ -407,7 +407,7 @@ function writeL2ChainConfig(argv: any) {
         "arbitrum": {
             "EnableArbOS": true,
             "AllowDebugPrecompiles": true,
-            "DataAvailabilityCommittee": argv.anytrust,
+            "DataAvailabilityCommittee": argv.anytrust || argv.referenceda,
             "InitialArbOSVersion": 40,
             "InitialChainOwner": argv.l2owner,
             "GenesisBlockNum": 0
@@ -650,6 +650,11 @@ export const writeL2ChainConfigCommand = {
             describe: "enable anytrust in chainconfig",
             default: false
         },
+        referenceda: {
+            boolean: true,
+            describe: "enable reference DA in chainconfig",
+            default: false
+        }
     },
     handler: (argv: any) => {
         writeL2ChainConfig(argv)
diff --git a/test-node.bash b/test-node.bash
index 04eaf2e9..084cce9a 100755
--- a/test-node.bash
+++ b/test-node.bash
@@ -493,10 +493,13 @@ if $force_init; then
 
     if $l2anytrust; then
         echo "== Writing l2 chain config (anytrust enabled)"
-        run_script --l2owner $l2ownerAddress  write-l2-chain-config --anytrust
+        run_script --l2owner $l2ownerAddress write-l2-chain-config --anytrust
+    elif $l2referenceda; then
+        echo "== Writing l2 chain config (reference da enabled)"
+        run_script --l2owner $l2ownerAddress write-l2-chain-config --referenceda
     else
-        echo == Writing l2 chain config
-        run_script --l2owner $l2ownerAddress  write-l2-chain-config
+        echo "== Writing l2 chain config"
+        run_script --l2owner $l2ownerAddress write-l2-chain-config
     fi
 
     sequenceraddress=`run_script print-address --account sequencer | tail -n 1 | tr -d '\r\n'`

From 0c5e35ba64d58c42cd6ca83f5f3d80772d1e6b54 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Wed, 8 Oct 2025 11:39:55 +0200
Subject: [PATCH 05/19] Unify argument to chain config command

---
 scripts/config.ts | 11 +++--------
 test-node.bash    |  9 +++------
 2 files changed, 6 insertions(+), 14 deletions(-)

diff --git a/scripts/config.ts b/scripts/config.ts
index c342a0bb..f8864a22 100644
--- a/scripts/config.ts
+++ b/scripts/config.ts
@@ -407,7 +407,7 @@ function writeL2ChainConfig(argv: any) {
         "arbitrum": {
             "EnableArbOS": true,
             "AllowDebugPrecompiles": true,
-            "DataAvailabilityCommittee": argv.anytrust || argv.referenceda,
+            "DataAvailabilityCommittee": argv.daCommittee,
             "InitialArbOSVersion": 40,
             "InitialChainOwner": argv.l2owner,
             "GenesisBlockNum": 0
@@ -645,14 +645,9 @@ export const writeL2ChainConfigCommand = {
     command: "write-l2-chain-config",
     describe: "writes l2 chain config file",
     builder: {
-        anytrust: {
-            boolean: true,
-            describe: "enable anytrust in chainconfig",
-            default: false
-        },
-        referenceda: {
+        daCommittee: {
             boolean: true,
-            describe: "enable reference DA in chainconfig",
+            describe: "enable DA committee in chainconfig",
             default: false
         }
     },
diff --git a/test-node.bash b/test-node.bash
index 084cce9a..ffdae7d0 100755
--- a/test-node.bash
+++ b/test-node.bash
@@ -491,12 +491,9 @@ if $force_init; then
 
     l2ownerAddress=`run_script print-address --account l2owner | tail -n 1 | tr -d '\r\n'`
 
-    if $l2anytrust; then
-        echo "== Writing l2 chain config (anytrust enabled)"
-        run_script --l2owner $l2ownerAddress write-l2-chain-config --anytrust
-    elif $l2referenceda; then
-        echo "== Writing l2 chain config (reference da enabled)"
-        run_script --l2owner $l2ownerAddress write-l2-chain-config --referenceda
+    if $l2anytrust || $l2referenceda; then
+        echo "== Writing l2 chain config (DA committee enabled)"
+        run_script --l2owner $l2ownerAddress write-l2-chain-config --da-committee
     else
         echo "== Writing l2 chain config"
         run_script --l2owner $l2ownerAddress write-l2-chain-config

From 404ae84b3a9ab3370ad76282c954a7a884b900eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Wed, 8 Oct 2025 13:03:31 +0200
Subject: [PATCH 06/19] Register new command, start configuring

---
 scripts/config.ts | 25 ++++++++++++++++++++++++-
 scripts/index.ts  |  2 ++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/scripts/config.ts b/scripts/config.ts
index f8864a22..f8bc2c4f 100644
--- a/scripts/config.ts
+++ b/scripts/config.ts
@@ -1,7 +1,7 @@
 import * as fs from 'fs';
 import * as consts from './consts'
 import { ethers } from "ethers";
-import { namedAccount, namedAddress } from './accounts'
+import { namedAddress } from './accounts'
 
 const path = require("path");
 
@@ -519,6 +519,22 @@ function writeL2DASKeysetConfig(argv: any) {
     fs.writeFileSync(path.join(consts.configpath, "l2_das_keyset.json"), l2DASKeysetConfigJSON)
 }
 
+function writeL2ReferenceDAConfig(argv: any) {
+    const l2ReferenceDAConfig = {
+        "mode": "referenceda",
+        "referenceda": {
+            "enable": true,
+            "validator-contract": "0x5E1497dD1f08C87b2d8FE23e9AAB6c1De833D927",
+            // "signing-key": TODO
+        },
+        "provider-server": {
+            "enable-da-writer": true,
+        }
+    }
+    const l2ReferenceDAConfigJSON = JSON.stringify(l2ReferenceDAConfig)
+    fs.writeFileSync(path.join(consts.configpath, "referenceda_provider.json"), l2ReferenceDAConfigJSON)
+}
+
 function dasBackendsJsonConfig(argv: any) {
     const backends = {
         "enable": false,
@@ -701,3 +717,10 @@ export const writeL2DASKeysetConfigCommand = {
     }
 }
 
+export const writeL2ReferenceDAConfigCommand = {
+    command: "write-l2-referenceda-config",
+    describe: "writes reference DA config file",
+    handler: (argv: any) => {
+        writeL2ReferenceDAConfig(argv)
+    }
+}
diff --git a/scripts/index.ts b/scripts/index.ts
index a16b7e15..ff8924b8 100644
--- a/scripts/index.ts
+++ b/scripts/index.ts
@@ -11,6 +11,7 @@ import {
   writeL2DASCommitteeConfigCommand,
   writeL2DASMirrorConfigCommand,
   writeL2DASKeysetConfigCommand,
+  writeL2ReferenceDAConfigCommand,
   writeTimeboostConfigsCommand
 } from "./config";
 import {
@@ -72,6 +73,7 @@ async function main() {
     .command(writeL2DASCommitteeConfigCommand)
     .command(writeL2DASMirrorConfigCommand)
     .command(writeL2DASKeysetConfigCommand)
+    .command(writeL2ReferenceDAConfigCommand)
     .command(writePrysmCommand)
     .command(writeAccountsCommand)
     .command(writeTimeboostConfigsCommand)

From 6029149a03c62f49f336cd839514b22a0909b09d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Wed, 8 Oct 2025 13:26:18 +0200
Subject: [PATCH 07/19] This should start the server

---
 docker-compose.yaml |  6 +++---
 scripts/config.ts   |  4 +++-
 test-node.bash      | 15 +++++++++++++++
 3 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/docker-compose.yaml b/docker-compose.yaml
index 7013a303..c2350fc9 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -391,7 +391,7 @@ services:
       - "das-committee-a-data:/das-committee-a"
       - "das-committee-b-data:/das-committee-b"
       - "das-mirror-data:/das-mirror"
-    command:
+      - "referenceda-provider-data:/referenceda-provider"
 
   das-committee-a:
     pid: host # allow debugging
@@ -439,7 +439,7 @@ services:
       - "127.0.0.1:9880:9880"
     volumes:
       - "config:/config"
-      - "referenceda-provider:/data"
+      - "referenceda-provider-data:/data"
     command:
       - --conf.file=/config/referenceda_provider.json
 
@@ -493,5 +493,5 @@ volumes:
   das-committee-a-data:
   das-committee-b-data:
   das-mirror-data:
-  referenceda-provider:
+  referenceda-provider-data:
   timeboost-auctioneer-data:
diff --git a/scripts/config.ts b/scripts/config.ts
index f8bc2c4f..c8d0c3a1 100644
--- a/scripts/config.ts
+++ b/scripts/config.ts
@@ -524,8 +524,10 @@ function writeL2ReferenceDAConfig(argv: any) {
         "mode": "referenceda",
         "referenceda": {
             "enable": true,
+            "signing-key": {
+                "key-file": "/data/keys/ecdsa"
+            },
             "validator-contract": "0x5E1497dD1f08C87b2d8FE23e9AAB6c1De833D927",
-            // "signing-key": TODO
         },
         "provider-server": {
             "enable-da-writer": true,
diff --git a/test-node.bash b/test-node.bash
index ffdae7d0..ea8ccaba 100755
--- a/test-node.bash
+++ b/test-node.bash
@@ -543,6 +543,21 @@ if $l2anytrust; then
     fi
 fi
 
+# Remaining init may require Reference DA service to have been started
+if $l2referenceda; then
+    if $force_init; then
+        echo "== Generating Reference DA Config"
+        docker compose run --rm --user root --entrypoint sh datool -c "mkdir /referenceda-provider/keys && chown -R 1000:1000 /referenceda-provider*"
+        docker compose run --rm datool keygen --dir /referenceda-provider/keys --ecdsa
+        run_script write-l2-referenceda-config
+    fi
+
+    if $run; then
+        echo "== Starting Reference DA service"
+        docker compose up --wait referenceda-provider
+    fi
+fi
+
 if $force_init; then
     if $l2timeboost; then
         timeboostNodeConfigLine="--timeboost"

From 5c8882b56f65061c76bcd81756fc7b9a8eb29cef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Wed, 8 Oct 2025 14:08:13 +0200
Subject: [PATCH 08/19] Leave todo regarding validator deployment for now

---
 scripts/config.ts | 9 ++++++++-
 test-node.bash    | 6 +++++-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/scripts/config.ts b/scripts/config.ts
index c8d0c3a1..bbd1ffe3 100644
--- a/scripts/config.ts
+++ b/scripts/config.ts
@@ -527,7 +527,7 @@ function writeL2ReferenceDAConfig(argv: any) {
             "signing-key": {
                 "key-file": "/data/keys/ecdsa"
             },
-            "validator-contract": "0x5E1497dD1f08C87b2d8FE23e9AAB6c1De833D927",
+            "validator-contract": argv.validatorAddress,
         },
         "provider-server": {
             "enable-da-writer": true,
@@ -722,6 +722,13 @@ export const writeL2DASKeysetConfigCommand = {
 export const writeL2ReferenceDAConfigCommand = {
     command: "write-l2-referenceda-config",
     describe: "writes reference DA config file",
+    builder: {
+        validatorAddress: {
+            string: true,
+            describe: "L2 validator contract address",
+            demandOption: true
+        }
+    },
     handler: (argv: any) => {
         writeL2ReferenceDAConfig(argv)
     }
diff --git a/test-node.bash b/test-node.bash
index ea8ccaba..b67c61ed 100755
--- a/test-node.bash
+++ b/test-node.bash
@@ -510,6 +510,10 @@ if $force_init; then
     else
         docker compose run --rm --entrypoint sh rollupcreator -c "jq [.[]] /config/deployed_chain_info.json > /config/l2_chain_info.json"
     fi
+    if $l2referenceda; then
+        l2referenceDAValidatorAddress=0x5E1497dD1f08C87b2d8FE23e9AAB6c1De833D927
+        # TODO: deploy contracts-local/ReferenceDAProofValidator.sol, save its address and pass to daprovider config
+    fi
 
 fi # $force_init
 
@@ -549,7 +553,7 @@ if $l2referenceda; then
         echo "== Generating Reference DA Config"
         docker compose run --rm --user root --entrypoint sh datool -c "mkdir /referenceda-provider/keys && chown -R 1000:1000 /referenceda-provider*"
         docker compose run --rm datool keygen --dir /referenceda-provider/keys --ecdsa
-        run_script write-l2-referenceda-config
+        run_script write-l2-referenceda-config --validator-address $l2referenceDAValidatorAddress
     fi
 
     if $run; then

From 37b1fa63de819a0003063f186f5f033598af8549 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Wed, 8 Oct 2025 16:47:55 +0200
Subject: [PATCH 09/19] Almost working

---
 scripts/config.ts | 35 ++++++++++++++++++++++++++++++++++-
 test-node.bash    |  7 +++++--
 2 files changed, 39 insertions(+), 3 deletions(-)

diff --git a/scripts/config.ts b/scripts/config.ts
index bbd1ffe3..1ae4dd1a 100644
--- a/scripts/config.ts
+++ b/scripts/config.ts
@@ -260,7 +260,7 @@ function writeConfigs(argv: any) {
                 }
             },
             "data-availability": {
-                "enable": argv.anytrust,
+                "enable": argv.anytrust || argv.referenceDA,
                 "rpc-aggregator": dasBackendsJsonConfig(argv),
                 "rest-aggregator": {
                     "enable": true,
@@ -294,6 +294,23 @@ function writeConfigs(argv: any) {
 
     const baseConfJSON = JSON.stringify(baseConfig)
 
+    const configureReferenceDA = (config: any) => {
+        config.node["da"] = {
+            "mode": "referenceda",
+            "referenceda": {
+                "enable": true,
+                "validator-contract": argv.referenceDAValidatorContract,
+            },
+            "external-provider": {
+                "enable": true,
+                "with-writer": true,
+                "rpc": {
+                    "url": "http://0.0.0.0:9880"
+                }
+            }
+        }
+    }
+
     if (argv.simple) {
         let simpleConfig = JSON.parse(baseConfJSON)
         simpleConfig.node.staker.enable = true
@@ -308,6 +325,9 @@ function writeConfigs(argv: any) {
         if (argv.anytrust) {
             simpleConfig.node["data-availability"]["rpc-aggregator"].enable = true
         }
+        if (argv.referenceDA) {
+            configureReferenceDA(simpleConfig)
+        }
         fs.writeFileSync(path.join(consts.configpath, "sequencer_config.json"), JSON.stringify(simpleConfig))
     } else {
         let validatorConfig = JSON.parse(baseConfJSON)
@@ -339,6 +359,9 @@ function writeConfigs(argv: any) {
         if (argv.anytrust) {
             posterConfig.node["data-availability"]["rpc-aggregator"].enable = true
         }
+        if (argv.referenceDA) {
+            configureReferenceDA(posterConfig)
+        }
         fs.writeFileSync(path.join(consts.configpath, "poster_config.json"), JSON.stringify(posterConfig))
     }
 
@@ -632,6 +655,16 @@ export const writeConfigCommand = {
             describe: "DAS committee member B BLS pub key",
             default: ""
         },
+        referenceDA: {
+            boolean: true,
+            describe: "run nodes in reference DA mode",
+            default: false
+        },
+        referenceDAValidatorContract: {
+            string: true,
+            describe: "L2 reference DA validator contract address",
+            default: ""
+        },
         timeboost: {
             boolean: true,
             describe: "run sequencer in timeboost mode",
diff --git a/test-node.bash b/test-node.bash
index b67c61ed..0960ea23 100755
--- a/test-node.bash
+++ b/test-node.bash
@@ -518,6 +518,7 @@ if $force_init; then
 fi # $force_init
 
 anytrustNodeConfigLine=""
+referenceDaNodeConfigLine=""
 timeboostNodeConfigLine=""
 
 # Remaining init may require AnyTrust committee/mirrors to have been started
@@ -554,6 +555,8 @@ if $l2referenceda; then
         docker compose run --rm --user root --entrypoint sh datool -c "mkdir /referenceda-provider/keys && chown -R 1000:1000 /referenceda-provider*"
         docker compose run --rm datool keygen --dir /referenceda-provider/keys --ecdsa
         run_script write-l2-referenceda-config --validator-address $l2referenceDAValidatorAddress
+
+        referenceDaNodeConfigLine="--referenceDA --referenceDAValidatorContract $l2referenceDAValidatorAddress"
     fi
 
     if $run; then
@@ -568,10 +571,10 @@ if $force_init; then
     fi
     if $simple; then
         echo == Writing configs
-        run_script write-config --simple $anytrustNodeConfigLine $timeboostNodeConfigLine
+        run_script write-config --simple $anytrustNodeConfigLine $referenceDaNodeConfigLine $timeboostNodeConfigLine
     else
         echo == Writing configs
-        run_script write-config $anytrustNodeConfigLine $timeboostNodeConfigLine
+        run_script write-config $anytrustNodeConfigLine $referenceDaNodeConfigLine $timeboostNodeConfigLine
 
         echo == Initializing redis
         docker compose up --wait redis

From 684b55f1901b505d59b24fb88e98a1614e1001b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Thu, 9 Oct 2025 14:32:37 +0200
Subject: [PATCH 10/19] Deploy the validator contract

---
 docker-compose.yaml | 8 +++++++-
 test-node.bash      | 5 +++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/docker-compose.yaml b/docker-compose.yaml
index c2350fc9..8c96ad68 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -381,7 +381,9 @@ services:
         NITRO_CONTRACTS_BRANCH: ${NITRO_CONTRACTS_BRANCH:-}
     volumes:
       - "config:/config"
-      - /var/run/docker.sock:/var/run/docker.sock
+      - "/var/run/docker.sock:/var/run/docker.sock"
+      - "contracts:/contracts"
+      - "contracts-local:/contracts-local"
 
   datool:
     image: nitro-node-dev-testnode
@@ -440,6 +442,8 @@ services:
     volumes:
       - "config:/config"
       - "referenceda-provider-data:/data"
+      - "contracts:/contracts"
+      - "contracts-local:/contracts-local"
     command:
       - --conf.file=/config/referenceda_provider.json
 
@@ -495,3 +499,5 @@ volumes:
   das-mirror-data:
   referenceda-provider-data:
   timeboost-auctioneer-data:
+  contracts:
+  contracts-local:
diff --git a/test-node.bash b/test-node.bash
index 0960ea23..4c53772d 100755
--- a/test-node.bash
+++ b/test-node.bash
@@ -511,8 +511,9 @@ if $force_init; then
         docker compose run --rm --entrypoint sh rollupcreator -c "jq [.[]] /config/deployed_chain_info.json > /config/l2_chain_info.json"
     fi
     if $l2referenceda; then
-        l2referenceDAValidatorAddress=0x5E1497dD1f08C87b2d8FE23e9AAB6c1De833D927
-        # TODO: deploy contracts-local/ReferenceDAProofValidator.sol, save its address and pass to daprovider config
+        echo "== Deploying Reference DA Proof Validator contract on L2"
+        docker compose run --rm --entrypoint sh referenceda-provider -c "true" # Noop to mount shared volumes with contracts for manual build and deployment
+        l2referenceDAValidatorAddress=`docker compose run --rm --entrypoint sh rollupcreator -c "cd /contracts-local && forge create src/osp/ReferenceDAProofValidator.sol:ReferenceDAProofValidator --rpc-url http://geth:8545 --private-key $l2ownerKey --broadcast --constructor-args [$sequenceraddress]" | awk '/Deployed to:/ {print $NF}'`
     fi
 
 fi # $force_init

From 974f21934edb0cf0c472b1f7e66381cb098a7712 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Thu, 9 Oct 2025 16:42:21 +0200
Subject: [PATCH 11/19] Add chain ID

---
 test-node.bash | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test-node.bash b/test-node.bash
index 4c53772d..af0a01f3 100755
--- a/test-node.bash
+++ b/test-node.bash
@@ -323,7 +323,7 @@ while [[ $# -gt 0 ]]; do
             echo --no-build-dev-blockscout  don\'t rebuild dev blockscout docker image
             echo --build-utils         rebuild scripts, rollupcreator, token bridge docker images
             echo --no-build-utils      don\'t rebuild scripts, rollupcreator, token bridge docker images
-            echo --force-build-utils   force rebuilding utils, useful if NITRO_CONTRACTS_ or TOKEN_BRIDGE_BRANCH changes
+            echo --force-build-utils   force rebuilding utils, useful if NITRO_CONTRACTS_BRANCH or TOKEN_BRIDGE_BRANCH changes
             echo
             echo script runs inside a separate docker. For SCRIPT-ARGS, run $0 script --help
             exit 0
@@ -503,7 +503,7 @@ if $force_init; then
     l2ownerKey=`run_script print-private-key --account l2owner | tail -n 1 | tr -d '\r\n'`
     wasmroot=`docker compose run --rm --entrypoint sh sequencer -c "cat /home/user/target/machines/latest/module-root.txt"`
 
-    echo == Deploying L2 chain
+    echo "== Deploying L2 chain"
     docker compose run --rm -e PARENT_CHAIN_RPC="http://geth:8545" -e DEPLOYER_PRIVKEY=$l2ownerKey -e PARENT_CHAIN_ID=$l1chainid -e CHILD_CHAIN_NAME="arb-dev-test" -e MAX_DATA_SIZE=117964 -e OWNER_ADDRESS=$l2ownerAddress -e WASM_MODULE_ROOT=$wasmroot -e SEQUENCER_ADDRESS=$sequenceraddress -e AUTHORIZE_VALIDATORS=10 -e CHILD_CHAIN_CONFIG_PATH="/config/l2_chain_config.json" -e CHAIN_DEPLOYMENT_INFO="/config/deployment.json" -e CHILD_CHAIN_INFO="/config/deployed_chain_info.json" rollupcreator create-rollup-testnode
     if $l2timeboost; then
         docker compose run --rm --entrypoint sh rollupcreator -c 'jq ".[] | .\"track-block-metadata-from\"=1 | [.]" /config/deployed_chain_info.json > /config/l2_chain_info.json'

From ca2824c126ded6a855ff1de1141014b1a8b9425b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Thu, 9 Oct 2025 17:13:21 +0200
Subject: [PATCH 12/19] Allow pre-eip155 txs

---
 docker-compose.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docker-compose.yaml b/docker-compose.yaml
index 8c96ad68..d4a63504 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -83,6 +83,7 @@ services:
       - --mine
       - --miner.etherbase=0x3f1Eae7D46d88F08fc2F8ed27FCb2AB183EB2d0E
       - --gcmode=archive
+      - --rpc.allow-unprotected-txs
 
   # Creates a genesis state for the beacon chain using a YAML configuration file and
   # a deterministic set of validators

From 0481a9ecb6c7d706301ab17618ac26622a7b4ebb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Fri, 10 Oct 2025 14:12:07 +0200
Subject: [PATCH 13/19] Change configuration for all services

---
 scripts/config.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/scripts/config.ts b/scripts/config.ts
index 1ae4dd1a..ac76ed3a 100644
--- a/scripts/config.ts
+++ b/scripts/config.ts
@@ -334,10 +334,16 @@ function writeConfigs(argv: any) {
         validatorConfig.node.staker.enable = true
         validatorConfig.node.staker["use-smart-contract-wallet"] = false // TODO: set to true when fixed
         let validconfJSON = JSON.stringify(validatorConfig)
+        if (argv.referenceDA) {
+            configureReferenceDA(validatorConfig)
+        }
         fs.writeFileSync(path.join(consts.configpath, "validator_config.json"), validconfJSON)
 
         let unsafeStakerConfig = JSON.parse(validconfJSON)
         unsafeStakerConfig.node.staker.dangerous["without-block-validator"] = true
+        if (argv.referenceDA) {
+            configureReferenceDA(unsafeStakerConfig)
+        }
         fs.writeFileSync(path.join(consts.configpath, "unsafe_staker_config.json"), JSON.stringify(unsafeStakerConfig))
 
         let sequencerConfig = JSON.parse(baseConfJSON)
@@ -351,6 +357,9 @@ function writeConfigs(argv: any) {
                 "redis-url": argv.redisUrl
             };
         }
+        if (argv.referenceDA) {
+            configureReferenceDA(sequencerConfig)
+        }
         fs.writeFileSync(path.join(consts.configpath, "sequencer_config.json"), JSON.stringify(sequencerConfig))
 
         let posterConfig = JSON.parse(baseConfJSON)

From d77df076381ce57b86fa4eda2249a66f7cf02342 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Fri, 10 Oct 2025 23:10:08 +0200
Subject: [PATCH 14/19] Get it righter

---
 scripts/config.ts | 65 +++++++++++++++--------------------------------
 test-node.bash    |  8 +++---
 2 files changed, 25 insertions(+), 48 deletions(-)

diff --git a/scripts/config.ts b/scripts/config.ts
index ac76ed3a..4152c41d 100644
--- a/scripts/config.ts
+++ b/scripts/config.ts
@@ -187,7 +187,7 @@ function getChainInfo(): ChainInfo {
 function writeConfigs(argv: any) {
     const valJwtSecret = path.join(consts.configpath, "val_jwt.hex")
     const chainInfoFile = path.join(consts.configpath, "l2_chain_info.json")
-    let baseConfig = {
+    let baseConfig: any = {
         "ensure-rollup-deployment": false,
         "parent-chain": {
             "connection": {
@@ -260,7 +260,7 @@ function writeConfigs(argv: any) {
                 }
             },
             "data-availability": {
-                "enable": argv.anytrust || argv.referenceDA,
+                "enable": argv.anytrust,
                 "rpc-aggregator": dasBackendsJsonConfig(argv),
                 "rest-aggregator": {
                     "enable": true,
@@ -292,27 +292,21 @@ function writeConfigs(argv: any) {
 
     baseConfig.node["data-availability"]["sequencer-inbox-address"] = ethers.utils.hexlify(getChainInfo()[0]["rollup"]["sequencer-inbox"]);
 
-    const baseConfJSON = JSON.stringify(baseConfig)
-
-    const configureReferenceDA = (config: any) => {
-        config.node["da"] = {
-            "mode": "referenceda",
-            "referenceda": {
-                "enable": true,
-                "validator-contract": argv.referenceDAValidatorContract,
-            },
+    if (argv.referenceDA) {
+        baseConfig.node["da"] = {
+            "mode": "external",
             "external-provider": {
                 "enable": true,
-                "with-writer": true,
+                "with-writer": false,
                 "rpc": {
-                    "url": "http://0.0.0.0:9880"
+                    "url": "http://referenceda-provider:9880"
                 }
             }
         }
     }
 
     if (argv.simple) {
-        let simpleConfig = JSON.parse(baseConfJSON)
+        let simpleConfig = baseConfig
         simpleConfig.node.staker.enable = true
         simpleConfig.node.staker["use-smart-contract-wallet"] = false // TODO: set to true when fixed
         simpleConfig.node.staker.dangerous["without-block-validator"] = true
@@ -325,28 +319,18 @@ function writeConfigs(argv: any) {
         if (argv.anytrust) {
             simpleConfig.node["data-availability"]["rpc-aggregator"].enable = true
         }
-        if (argv.referenceDA) {
-            configureReferenceDA(simpleConfig)
-        }
         fs.writeFileSync(path.join(consts.configpath, "sequencer_config.json"), JSON.stringify(simpleConfig))
     } else {
-        let validatorConfig = JSON.parse(baseConfJSON)
+        let validatorConfig = baseConfig
         validatorConfig.node.staker.enable = true
         validatorConfig.node.staker["use-smart-contract-wallet"] = false // TODO: set to true when fixed
-        let validconfJSON = JSON.stringify(validatorConfig)
-        if (argv.referenceDA) {
-            configureReferenceDA(validatorConfig)
-        }
-        fs.writeFileSync(path.join(consts.configpath, "validator_config.json"), validconfJSON)
+        fs.writeFileSync(path.join(consts.configpath, "validator_config.json"), JSON.stringify(validatorConfig))
 
-        let unsafeStakerConfig = JSON.parse(validconfJSON)
+        let unsafeStakerConfig = validatorConfig
         unsafeStakerConfig.node.staker.dangerous["without-block-validator"] = true
-        if (argv.referenceDA) {
-            configureReferenceDA(unsafeStakerConfig)
-        }
         fs.writeFileSync(path.join(consts.configpath, "unsafe_staker_config.json"), JSON.stringify(unsafeStakerConfig))
 
-        let sequencerConfig = JSON.parse(baseConfJSON)
+        let sequencerConfig = baseConfig
         sequencerConfig.node.sequencer = true
         sequencerConfig.node["seq-coordinator"].enable = true
         sequencerConfig.execution["sequencer"].enable = true
@@ -357,24 +341,21 @@ function writeConfigs(argv: any) {
                 "redis-url": argv.redisUrl
             };
         }
-        if (argv.referenceDA) {
-            configureReferenceDA(sequencerConfig)
-        }
         fs.writeFileSync(path.join(consts.configpath, "sequencer_config.json"), JSON.stringify(sequencerConfig))
 
-        let posterConfig = JSON.parse(baseConfJSON)
+        let posterConfig = baseConfig
         posterConfig.node["seq-coordinator"].enable = true
         posterConfig.node["batch-poster"].enable = true
         if (argv.anytrust) {
             posterConfig.node["data-availability"]["rpc-aggregator"].enable = true
         }
         if (argv.referenceDA) {
-            configureReferenceDA(posterConfig)
+            posterConfig.node["da"]["external-provider"]["with-writer"] = true
         }
         fs.writeFileSync(path.join(consts.configpath, "poster_config.json"), JSON.stringify(posterConfig))
     }
 
-    let l3Config = JSON.parse(baseConfJSON)
+    let l3Config = baseConfig
     l3Config["parent-chain"].connection.url = argv.l2url
     // use the same account for l2 and l3 staker
     // l3Config.node.staker["parent-chain-wallet"].account = namedAddress("l3owner")
@@ -394,7 +375,7 @@ function writeConfigs(argv: any) {
     l3Config.node["batch-poster"]["redis-url"] = ""
     fs.writeFileSync(path.join(consts.configpath, "l3node_config.json"), JSON.stringify(l3Config))
 
-    let validationNodeConfig = JSON.parse(JSON.stringify({
+    let validationNodeConfig = {
         "persistent": {
             "chain": "local"
         },
@@ -412,7 +393,7 @@ function writeConfigs(argv: any) {
             "jwtsecret": valJwtSecret,
             "addr": "0.0.0.0",
         },
-    }))
+    }
     fs.writeFileSync(path.join(consts.configpath, "validation_node_config.json"), JSON.stringify(validationNodeConfig))
 }
 
@@ -439,7 +420,7 @@ function writeL2ChainConfig(argv: any) {
         "arbitrum": {
             "EnableArbOS": true,
             "AllowDebugPrecompiles": true,
-            "DataAvailabilityCommittee": argv.daCommittee,
+            "DataAvailabilityCommittee": argv.anytrust,
             "InitialArbOSVersion": 40,
             "InitialChainOwner": argv.l2owner,
             "GenesisBlockNum": 0
@@ -562,6 +543,7 @@ function writeL2ReferenceDAConfig(argv: any) {
             "validator-contract": argv.validatorAddress,
         },
         "provider-server": {
+            "addr": "0.0.0.0",
             "enable-da-writer": true,
         }
     }
@@ -669,11 +651,6 @@ export const writeConfigCommand = {
             describe: "run nodes in reference DA mode",
             default: false
         },
-        referenceDAValidatorContract: {
-            string: true,
-            describe: "L2 reference DA validator contract address",
-            default: ""
-        },
         timeboost: {
             boolean: true,
             describe: "run sequencer in timeboost mode",
@@ -705,9 +682,9 @@ export const writeL2ChainConfigCommand = {
     command: "write-l2-chain-config",
     describe: "writes l2 chain config file",
     builder: {
-        daCommittee: {
+        anytrust: {
             boolean: true,
-            describe: "enable DA committee in chainconfig",
+            describe: "enable anytrust in chainconfig",
             default: false
         }
     },
diff --git a/test-node.bash b/test-node.bash
index af0a01f3..16457340 100755
--- a/test-node.bash
+++ b/test-node.bash
@@ -491,9 +491,9 @@ if $force_init; then
 
     l2ownerAddress=`run_script print-address --account l2owner | tail -n 1 | tr -d '\r\n'`
 
-    if $l2anytrust || $l2referenceda; then
-        echo "== Writing l2 chain config (DA committee enabled)"
-        run_script --l2owner $l2ownerAddress write-l2-chain-config --da-committee
+    if $l2anytrust; then
+        echo "== Writing l2 chain config (anytrust enabled)"
+        run_script --l2owner $l2ownerAddress write-l2-chain-config --anytrust
     else
         echo "== Writing l2 chain config"
         run_script --l2owner $l2ownerAddress write-l2-chain-config
@@ -557,7 +557,7 @@ if $l2referenceda; then
         docker compose run --rm datool keygen --dir /referenceda-provider/keys --ecdsa
         run_script write-l2-referenceda-config --validator-address $l2referenceDAValidatorAddress
 
-        referenceDaNodeConfigLine="--referenceDA --referenceDAValidatorContract $l2referenceDAValidatorAddress"
+        referenceDaNodeConfigLine="--referenceDA"
     fi
 
     if $run; then

From 425948aa40b7f9e44aa90c08ee21dfc442959471 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Sat, 11 Oct 2025 00:01:37 +0200
Subject: [PATCH 15/19] Use new configuration

---
 scripts/config.ts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/config.ts b/scripts/config.ts
index 4152c41d..70aede80 100644
--- a/scripts/config.ts
+++ b/scripts/config.ts
@@ -541,11 +541,12 @@ function writeL2ReferenceDAConfig(argv: any) {
                 "key-file": "/data/keys/ecdsa"
             },
             "validator-contract": argv.validatorAddress,
+            "parent-chain-node-url": argv.l1url,
         },
         "provider-server": {
             "addr": "0.0.0.0",
             "enable-da-writer": true,
-        }
+        },
     }
     const l2ReferenceDAConfigJSON = JSON.stringify(l2ReferenceDAConfig)
     fs.writeFileSync(path.join(consts.configpath, "referenceda_provider.json"), l2ReferenceDAConfigJSON)
@@ -746,7 +747,7 @@ export const writeL2ReferenceDAConfigCommand = {
             string: true,
             describe: "L2 validator contract address",
             demandOption: true
-        }
+        },
     },
     handler: (argv: any) => {
         writeL2ReferenceDAConfig(argv)

From 9196edfb90d834e78e751d05c877b9a58c7b5dae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Sat, 11 Oct 2025 01:30:03 +0200
Subject: [PATCH 16/19] Compute signer address

---
 docker-compose.yaml |  1 +
 test-node.bash      | 36 +++++++++++++++++++-----------------
 2 files changed, 20 insertions(+), 17 deletions(-)

diff --git a/docker-compose.yaml b/docker-compose.yaml
index d4a63504..d33ec6b1 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -385,6 +385,7 @@ services:
       - "/var/run/docker.sock:/var/run/docker.sock"
       - "contracts:/contracts"
       - "contracts-local:/contracts-local"
+      - "referenceda-provider-data:/referenceda-provider"
 
   datool:
     image: nitro-node-dev-testnode
diff --git a/test-node.bash b/test-node.bash
index 43361edf..74abbd25 100755
--- a/test-node.bash
+++ b/test-node.bash
@@ -524,10 +524,21 @@ if $force_init; then
     else
         docker compose run --rm --entrypoint sh rollupcreator -c "jq [.[]] /config/deployed_chain_info.json > /config/l2_chain_info.json"
     fi
+
     if $l2referenceda; then
-        echo "== Deploying Reference DA Proof Validator contract on L2"
         docker compose run --rm --entrypoint sh referenceda-provider -c "true" # Noop to mount shared volumes with contracts for manual build and deployment
-        l2referenceDAValidatorAddress=`docker compose run --rm --entrypoint sh rollupcreator -c "cd /contracts-local && forge create src/osp/ReferenceDAProofValidator.sol:ReferenceDAProofValidator --rpc-url http://geth:8545 --private-key $l2ownerKey --broadcast --constructor-args [$sequenceraddress]" | awk '/Deployed to:/ {print $NF}'`
+
+        echo "== Generating Reference DA keys"
+        docker compose run --rm --user root --entrypoint sh datool -c "mkdir /referenceda-provider/keys && chown -R 1000:1000 /referenceda-provider*"
+        docker compose run --rm datool keygen --dir /referenceda-provider/keys --ecdsa
+
+        referenceDASignerAddress=`docker compose run --rm --entrypoint sh rollupcreator -c "cat /referenceda-provider/keys/ecdsa.pub | sed 's/^04//' | tr -d '\n' | cast keccak | tail -c 41 | cast to-check-sum-address"`
+
+        echo "== Deploying Reference DA Proof Validator contract on L2"
+        l2referenceDAValidatorAddress=`docker compose run --rm --entrypoint sh rollupcreator -c "cd /contracts-local && forge create src/osp/ReferenceDAProofValidator.sol:ReferenceDAProofValidator --rpc-url http://geth:8545 --private-key $l2ownerKey --broadcast --constructor-args [$referenceDASignerAddress]" | awk '/Deployed to:/ {print $NF}'`
+
+        echo "== Generating Reference DA Config"
+        run_script write-l2-referenceda-config --validator-address $l2referenceDAValidatorAddress
     fi
 
 fi # $force_init
@@ -563,27 +574,18 @@ if $l2anytrust; then
     fi
 fi
 
-# Remaining init may require Reference DA service to have been started
-if $l2referenceda; then
-    if $force_init; then
-        echo "== Generating Reference DA Config"
-        docker compose run --rm --user root --entrypoint sh datool -c "mkdir /referenceda-provider/keys && chown -R 1000:1000 /referenceda-provider*"
-        docker compose run --rm datool keygen --dir /referenceda-provider/keys --ecdsa
-        run_script write-l2-referenceda-config --validator-address $l2referenceDAValidatorAddress
-
-        referenceDaNodeConfigLine="--referenceDA"
-    fi
-
-    if $run; then
-        echo "== Starting Reference DA service"
-        docker compose up --wait referenceda-provider
-    fi
+if $l2referenceda && $run; then
+    echo "== Starting Reference DA service"
+    docker compose up --wait referenceda-provider
 fi
 
 if $force_init; then
     if $l2timeboost; then
         timeboostNodeConfigLine="--timeboost"
     fi
+    if $l2referenceda; then
+        referenceDaNodeConfigLine="--referenceDA"
+    fi
     if $simple; then
         echo == Writing configs
         run_script write-config --simple $anytrustNodeConfigLine $referenceDaNodeConfigLine $timeboostNodeConfigLine

From eb7af3865c8c81845de8d0b3c6136ba46832c362 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Sun, 12 Oct 2025 23:15:59 +0200
Subject: [PATCH 17/19] Fix address derivation

---
 test-node.bash | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test-node.bash b/test-node.bash
index 74abbd25..456434c8 100755
--- a/test-node.bash
+++ b/test-node.bash
@@ -532,7 +532,7 @@ if $force_init; then
         docker compose run --rm --user root --entrypoint sh datool -c "mkdir /referenceda-provider/keys && chown -R 1000:1000 /referenceda-provider*"
         docker compose run --rm datool keygen --dir /referenceda-provider/keys --ecdsa
 
-        referenceDASignerAddress=`docker compose run --rm --entrypoint sh rollupcreator -c "cat /referenceda-provider/keys/ecdsa.pub | sed 's/^04//' | tr -d '\n' | cast keccak | tail -c 41 | cast to-check-sum-address"`
+        referenceDASignerAddress=`docker compose run --rm --entrypoint sh rollupcreator -c "cat /referenceda-provider/keys/ecdsa.pub | sed 's/^04/0x/' | tr -d '\n' | cast keccak | tail -c 41 | cast to-check-sum-address"`
 
         echo "== Deploying Reference DA Proof Validator contract on L2"
         l2referenceDAValidatorAddress=`docker compose run --rm --entrypoint sh rollupcreator -c "cd /contracts-local && forge create src/osp/ReferenceDAProofValidator.sol:ReferenceDAProofValidator --rpc-url http://geth:8545 --private-key $l2ownerKey --broadcast --constructor-args [$referenceDASignerAddress]" | awk '/Deployed to:/ {print $NF}'`

From ba4b246567986e6c2ecc8e9b2d98ba64154fb066 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Mon, 13 Oct 2025 00:35:28 +0200
Subject: [PATCH 18/19] maybe these will fix mysterious ci fails

---
 scripts/config.ts | 26 +++++++++++++++-----------
 test-node.bash    |  4 ++--
 2 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/scripts/config.ts b/scripts/config.ts
index 70aede80..56251c29 100644
--- a/scripts/config.ts
+++ b/scripts/config.ts
@@ -187,7 +187,7 @@ function getChainInfo(): ChainInfo {
 function writeConfigs(argv: any) {
     const valJwtSecret = path.join(consts.configpath, "val_jwt.hex")
     const chainInfoFile = path.join(consts.configpath, "l2_chain_info.json")
-    let baseConfig: any = {
+    let baseConfig = {
         "ensure-rollup-deployment": false,
         "parent-chain": {
             "connection": {
@@ -269,7 +269,8 @@ function writeConfigs(argv: any) {
                 // TODO Fix das config to not need this redundant config
                 "parent-chain-node-url": argv.l1url,
                 "sequencer-inbox-address": "not_set"
-            }
+            },
+            "da": {},
         },
         "execution": {
             "sequencer": {
@@ -305,8 +306,10 @@ function writeConfigs(argv: any) {
         }
     }
 
+    const baseConfJSON = JSON.stringify(baseConfig)
+
     if (argv.simple) {
-        let simpleConfig = baseConfig
+        let simpleConfig = JSON.parse(baseConfJSON)
         simpleConfig.node.staker.enable = true
         simpleConfig.node.staker["use-smart-contract-wallet"] = false // TODO: set to true when fixed
         simpleConfig.node.staker.dangerous["without-block-validator"] = true
@@ -321,16 +324,17 @@ function writeConfigs(argv: any) {
         }
         fs.writeFileSync(path.join(consts.configpath, "sequencer_config.json"), JSON.stringify(simpleConfig))
     } else {
-        let validatorConfig = baseConfig
+        let validatorConfig = JSON.parse(baseConfJSON)
         validatorConfig.node.staker.enable = true
         validatorConfig.node.staker["use-smart-contract-wallet"] = false // TODO: set to true when fixed
-        fs.writeFileSync(path.join(consts.configpath, "validator_config.json"), JSON.stringify(validatorConfig))
+        let validconfJSON = JSON.stringify(validatorConfig)
+        fs.writeFileSync(path.join(consts.configpath, "validator_config.json"), validconfJSON)
 
-        let unsafeStakerConfig = validatorConfig
+        let unsafeStakerConfig = JSON.parse(validconfJSON)
         unsafeStakerConfig.node.staker.dangerous["without-block-validator"] = true
         fs.writeFileSync(path.join(consts.configpath, "unsafe_staker_config.json"), JSON.stringify(unsafeStakerConfig))
 
-        let sequencerConfig = baseConfig
+        let sequencerConfig = JSON.parse(baseConfJSON)
         sequencerConfig.node.sequencer = true
         sequencerConfig.node["seq-coordinator"].enable = true
         sequencerConfig.execution["sequencer"].enable = true
@@ -343,7 +347,7 @@ function writeConfigs(argv: any) {
         }
         fs.writeFileSync(path.join(consts.configpath, "sequencer_config.json"), JSON.stringify(sequencerConfig))
 
-        let posterConfig = baseConfig
+        let posterConfig = JSON.parse(baseConfJSON)
         posterConfig.node["seq-coordinator"].enable = true
         posterConfig.node["batch-poster"].enable = true
         if (argv.anytrust) {
@@ -355,7 +359,7 @@ function writeConfigs(argv: any) {
         fs.writeFileSync(path.join(consts.configpath, "poster_config.json"), JSON.stringify(posterConfig))
     }
 
-    let l3Config = baseConfig
+    let l3Config = JSON.parse(baseConfJSON)
     l3Config["parent-chain"].connection.url = argv.l2url
     // use the same account for l2 and l3 staker
     // l3Config.node.staker["parent-chain-wallet"].account = namedAddress("l3owner")
@@ -375,7 +379,7 @@ function writeConfigs(argv: any) {
     l3Config.node["batch-poster"]["redis-url"] = ""
     fs.writeFileSync(path.join(consts.configpath, "l3node_config.json"), JSON.stringify(l3Config))
 
-    let validationNodeConfig = {
+    let validationNodeConfig = JSON.parse(JSON.stringify({
         "persistent": {
             "chain": "local"
         },
@@ -393,7 +397,7 @@ function writeConfigs(argv: any) {
             "jwtsecret": valJwtSecret,
             "addr": "0.0.0.0",
         },
-    }
+    }))
     fs.writeFileSync(path.join(consts.configpath, "validation_node_config.json"), JSON.stringify(validationNodeConfig))
 }
 
diff --git a/test-node.bash b/test-node.bash
index 456434c8..cc8400d0 100755
--- a/test-node.bash
+++ b/test-node.bash
@@ -586,11 +586,11 @@ if $force_init; then
     if $l2referenceda; then
         referenceDaNodeConfigLine="--referenceDA"
     fi
+
+    echo "== Writing configs"
     if $simple; then
-        echo == Writing configs
         run_script write-config --simple $anytrustNodeConfigLine $referenceDaNodeConfigLine $timeboostNodeConfigLine
     else
-        echo == Writing configs
         run_script write-config $anytrustNodeConfigLine $referenceDaNodeConfigLine $timeboostNodeConfigLine
 
         echo == Initializing redis

From dab3581974b278077a068a01ec0a889d9e354d0c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Miko=C5=82ajczyk?= <piomiko41@gmail.com>
Date: Mon, 13 Oct 2025 00:45:13 +0200
Subject: [PATCH 19/19] this?

---
 scripts/config.ts | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/scripts/config.ts b/scripts/config.ts
index 56251c29..0803230f 100644
--- a/scripts/config.ts
+++ b/scripts/config.ts
@@ -269,8 +269,7 @@ function writeConfigs(argv: any) {
                 // TODO Fix das config to not need this redundant config
                 "parent-chain-node-url": argv.l1url,
                 "sequencer-inbox-address": "not_set"
-            },
-            "da": {},
+            }
         },
         "execution": {
             "sequencer": {
@@ -294,7 +293,7 @@ function writeConfigs(argv: any) {
     baseConfig.node["data-availability"]["sequencer-inbox-address"] = ethers.utils.hexlify(getChainInfo()[0]["rollup"]["sequencer-inbox"]);
 
     if (argv.referenceDA) {
-        baseConfig.node["da"] = {
+        (baseConfig as any).node["da"] = {
             "mode": "external",
             "external-provider": {
                 "enable": true,