Deleted common.ts in data-transport-layer and replaced them from core-utils

.changeset/large-keys-punch.md

+---
+'@eth-optimism/data-transport-layer': patch
+---
+
+Deletes common.ts in data-transport-layer. Uses core-utils.

packages/data-transport-layer/src/services/l1-ingestion/service.ts

 /* Imports: External */
-import { fromHexString, FallbackProvider } from '@eth-optimism/core-utils'
+import {
+  fromHexString,
+  FallbackProvider,
+  sleep,
+} from '@eth-optimism/core-utils'
 import { BaseService, Metrics } from '@eth-optimism/common-ts'
 import { TypedEvent } from '@eth-optimism/contracts/dist/types/common'
 import { BaseProvider } from '@ethersproject/providers'
@@ -15,7 +19,6 @@ import { MissingElementError } from './handlers/errors'
 import { TransportDB } from '../../db/transport-db'
 import {
   OptimismContracts,
-  sleep,
   loadOptimismContracts,
   loadContract,
   validators,

packages/data-transport-layer/src/services/l2-ingestion/handlers/transaction.ts

 /* Imports: External */
 import { BigNumber, ethers } from 'ethers'
 import { serialize } from '@ethersproject/transactions'
+import { padHexString } from '@eth-optimism/core-utils'
 
 /* Imports: Internal */
 import { TransportDB } from '../../../db/transport-db'
@@ -9,7 +10,7 @@ import {
   StateRootEntry,
   TransactionEntry,
 } from '../../../types'
-import { padHexString, parseSignatureVParam } from '../../../utils'
+import { parseSignatureVParam } from '../../../utils'
 
 export const handleSequencerBlock = {
   parseBlock: async (

packages/data-transport-layer/src/services/l2-ingestion/service.ts

 /* Imports: External */
 import { BaseService, Metrics } from '@eth-optimism/common-ts'
 import { StaticJsonRpcProvider } from '@ethersproject/providers'
+import { sleep, toRpcHexString } from '@eth-optimism/core-utils'
 import { BigNumber } from 'ethers'
 import { LevelUp } from 'levelup'
 import axios from 'axios'
@@ -10,7 +11,7 @@ import { Gauge } from 'prom-client'
 /* Imports: Internal */
 import { handleSequencerBlock } from './handlers/transaction'
 import { TransportDB } from '../../db/transport-db'
-import { sleep, toRpcHexString, validators } from '../../utils'
+import { validators } from '../../utils'
 import { L1DataTransportServiceOptions } from '../main/service'
 
 interface L2IngestionMetrics {

packages/data-transport-layer/src/utils/common.ts

-import { toHexString } from '@eth-optimism/core-utils'
-
-/**
- * Basic timeout-based async sleep function.
- *
- * @param ms Number of milliseconds to sleep.
- */
-export const sleep = async (ms: number): Promise<void> => {
-  return new Promise<void>((resolve) => {
-    setTimeout(resolve, ms)
-  })
-}
-
-export const assert = (condition: () => boolean, reason?: string) => {
-  try {
-    if (condition() === false) {
-      throw new Error(`Assertion failed: ${reason}`)
-    }
-  } catch (err) {
-    throw new Error(`Assertion failed: ${reason}\n${err}`)
-  }
-}
-
-export const toRpcHexString = (n: number): string => {
-  if (n === 0) {
-    return '0x0'
-  } else {
-    // prettier-ignore
-    return '0x' + toHexString(n).slice(2).replace(/^0+/, '')
-  }
-}
-
-export const padHexString = (str: string, length: number): string => {
-  if (str.length === 2 + length * 2) {
-    return str
-  } else {
-    return '0x' + str.slice(2).padStart(length * 2, '0')
-  }
-}

packages/data-transport-layer/src/utils/index.ts

-export * from './common'
 export * from './contracts'
 export * from './validation'
 export * from './eth-tx'