diff --git a/.changeset/chilled-books-grab.md b/.changeset/chilled-books-grab.md
new file mode 100644
index 000000000000..10efc8f70022
--- /dev/null
+++ b/.changeset/chilled-books-grab.md
@@ -0,0 +1,5 @@
+---
+'@eth-optimism/l2geth': patch
+---
+
+Fixes incorrect type parsing in the RollupClient. The gasLimit became greater than the largest safe JS number so it needs to be represented as a string
diff --git a/.changeset/cold-cows-cross.md b/.changeset/cold-cows-cross.md
new file mode 100644
index 000000000000..cc67cf4d950d
--- /dev/null
+++ b/.changeset/cold-cows-cross.md
@@ -0,0 +1,5 @@
+---
+'@eth-optimism/integration-tests': patch
+---
+
+Reduce test timeout from 100 to 20 seconds
diff --git a/.changeset/dull-fishes-type.md b/.changeset/dull-fishes-type.md
new file mode 100644
index 000000000000..3a2e75a32a95
--- /dev/null
+++ b/.changeset/dull-fishes-type.md
@@ -0,0 +1,5 @@
+---
+'@eth-optimism/data-transport-layer': patch
+---
+
+Represent gaslimit as a string to avoid an overflow
diff --git a/.changeset/thin-waves-bathe.md b/.changeset/thin-waves-bathe.md
new file mode 100644
index 000000000000..605e410ac5df
--- /dev/null
+++ b/.changeset/thin-waves-bathe.md
@@ -0,0 +1,5 @@
+---
+'@eth-optimism/contracts': patch
+---
+
+Minor change to how deploy.ts is invoked
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000000..dfdb8b771ce0
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.sh text eol=lf
diff --git a/integration-tests/hardhat.config.ts b/integration-tests/hardhat.config.ts
index b68e8646ba7b..0fcc9b23325f 100644
--- a/integration-tests/hardhat.config.ts
+++ b/integration-tests/hardhat.config.ts
@@ -10,7 +10,7 @@ const enableGasReport = !!process.env.ENABLE_GAS_REPORT
 
 const config: HardhatUserConfig = {
   mocha: {
-    timeout: 100000,
+    timeout: 20000,
   },
   networks: {
     optimism: {
diff --git a/l2geth/rollup/client.go b/l2geth/rollup/client.go
index 46c2b752e752..b8b08222c73b 100644
--- a/l2geth/rollup/client.go
+++ b/l2geth/rollup/client.go
@@ -104,7 +104,7 @@ type signature struct {
 type decoded struct {
 	Signature signature       `json:"sig"`
 	Value     hexutil.Uint64  `json:"value"`
-	GasLimit  uint64          `json:"gasLimit"`
+	GasLimit  uint64          `json:"gasLimit,string"`
 	GasPrice  uint64          `json:"gasPrice"`
 	Nonce     uint64          `json:"nonce"`
 	Target    *common.Address `json:"target"`
diff --git a/packages/contracts/bin/deploy.ts b/packages/contracts/bin/deploy.ts
index 719ac691c4fa..7ac14d6615e1 100755
--- a/packages/contracts/bin/deploy.ts
+++ b/packages/contracts/bin/deploy.ts
@@ -1,5 +1,3 @@
-#!/usr/bin/env ts-node-script
-
 import { Wallet } from 'ethers'
 import path from 'path'
 import dirtree from 'directory-tree'
diff --git a/packages/contracts/package.json b/packages/contracts/package.json
index 0dd1f1c288c4..e8f750f6d7a3 100644
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -38,13 +38,13 @@
     "lint:check": "yarn run lint:typescript",
     "lint:typescript": "tslint --format stylish --project .",
     "clean": "rm -rf ./dist ./artifacts ./artifacts-ovm ./cache ./cache-ovm ./tsconfig.build.tsbuildinfo",
-    "deploy": "./bin/deploy.ts && yarn generate-markdown",
+    "deploy": "ts-node \"./bin/deploy.ts\" && yarn generate-markdown",
     "serve": "./bin/serve_dump.sh",
     "prepublishOnly": "yarn copyfiles -u 2 \"contracts/optimistic-ethereum/**/*\" ./",
     "postpublish": "rimraf OVM iOVM libraries mockOVM",
     "prepack": "yarn prepublishOnly",
     "postpack": "yarn postpublish",
-    "generate-markdown": "node scripts/generate-markdown.js"
+    "generate-markdown": "node \"./scripts/generate-markdown.js\""
   },
   "dependencies": {
     "@eth-optimism/core-utils": "^0.4.4",
diff --git a/packages/data-transport-layer/src/services/l1-ingestion/handlers/sequencer-batch-appended.ts b/packages/data-transport-layer/src/services/l1-ingestion/handlers/sequencer-batch-appended.ts
index df3b9e567f7f..71b483f4dcde 100644
--- a/packages/data-transport-layer/src/services/l1-ingestion/handlers/sequencer-batch-appended.ts
+++ b/packages/data-transport-layer/src/services/l1-ingestion/handlers/sequencer-batch-appended.ts
@@ -244,7 +244,7 @@ const maybeDecodeSequencerBatchTransaction = (
     return {
       nonce: BigNumber.from(decodedTx.nonce).toNumber(),
       gasPrice: BigNumber.from(decodedTx.gasPrice).toNumber(),
-      gasLimit: BigNumber.from(decodedTx.gasLimit).toNumber(),
+      gasLimit: BigNumber.from(decodedTx.gasLimit).toString(),
       value: toRpcHexString(decodedTx.value),
       target: toHexString(decodedTx.to), // Maybe null this out for creations?
       data: toHexString(decodedTx.data),
diff --git a/packages/data-transport-layer/src/services/l2-ingestion/handlers/transaction.ts b/packages/data-transport-layer/src/services/l2-ingestion/handlers/transaction.ts
index 70c51bd59d29..0022afc285d7 100644
--- a/packages/data-transport-layer/src/services/l2-ingestion/handlers/transaction.ts
+++ b/packages/data-transport-layer/src/services/l2-ingestion/handlers/transaction.ts
@@ -48,7 +48,7 @@ export const handleSequencerBlock = {
           s: padHexString(transaction.s, 32),
         },
         value: transaction.value,
-        gasLimit: BigNumber.from(transaction.gas).toNumber(),
+        gasLimit: BigNumber.from(transaction.gas).toString(),
         gasPrice: BigNumber.from(transaction.gasPrice).toNumber(), // ?
         nonce: BigNumber.from(transaction.nonce).toNumber(),
         target: transaction.to,
diff --git a/packages/data-transport-layer/src/types/database-types.ts b/packages/data-transport-layer/src/types/database-types.ts
index 39f1df71fa93..32e52288ee4f 100644
--- a/packages/data-transport-layer/src/types/database-types.ts
+++ b/packages/data-transport-layer/src/types/database-types.ts
@@ -5,7 +5,7 @@ export interface DecodedSequencerBatchTransaction {
     v: number
   }
   value: string
-  gasLimit: number
+  gasLimit: string
   gasPrice: number
   nonce: number
   target: string