feat(dtl): hardcode bss hf1 index into the dtl

Hardcodes the index of the first BSS hardfork into the DTL, depending on
the chain ID. This is easier than asking users to set an environment
variable each time.

.changeset/happy-yaks-clap.md

+---
+'@eth-optimism/data-transport-layer': patch
+---
+
+Hardcodes BSS HF1 block into the DTL

ops/envs/dtl.env

@@ -9,7 +9,6 @@ DATA_TRANSPORT_LAYER__LOGS_PER_POLLING_INTERVAL=2000
 DATA_TRANSPORT_LAYER__DANGEROUSLY_CATCH_ALL_ERRORS=true
 DATA_TRANSPORT_LAYER__SERVER_HOSTNAME=0.0.0.0
 DATA_TRANSPORT_LAYER__L1_START_HEIGHT=1
-DATA_TRANSPORT_LAYER__BSS_HARDFORK_1_INDEX=0
 
 DATA_TRANSPORT_LAYER__ADDRESS_MANAGER=
 DATA_TRANSPORT_LAYER__L1_RPC_ENDPOINT=

packages/data-transport-layer/src/config/chain-constants.ts

+export const BSS_HF1_INDEX = {
+  10: 2824317,
+}

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

+export * from './chain-constants'
+export * from './patch-contexts'

packages/data-transport-layer/src/db/transport-db.ts

@@ -4,7 +4,7 @@ import { BigNumber } from 'ethers'
 
 /* Imports: Internal */
 import { SimpleDB } from './simple-db'
-import { PATCH_CONTEXTS } from './patch-contexts'
+import { PATCH_CONTEXTS, BSS_HF1_INDEX } from '../config'
 import {
   EnqueueEntry,
   StateRootBatchEntry,
@@ -34,7 +34,6 @@ interface Indexed {
 
 interface ExtraTransportDBOptions {
   l2ChainId?: number
-  bssHardfork1Index?: number
 }
 
 export class TransportDB {
@@ -302,10 +301,10 @@ export class TransportDB {
     }
 
     let timestamp = enqueue.timestamp
-    if (
-      typeof this.opts.bssHardfork1Index === 'number' &&
-      transaction.index >= this.opts.bssHardfork1Index
-    ) {
+
+    // BSS HF1 activates at block 0 if not specified.
+    const bssHf1Index = BSS_HF1_INDEX[this.opts.l2ChainId] || 0
+    if (transaction.index >= bssHf1Index) {
       timestamp = transaction.timestamp
     }
 

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

@@ -108,7 +108,6 @@ export class L1IngestionService extends BaseService<L1IngestionServiceOptions> {
 
   protected async _init(): Promise<void> {
     this.state.db = new TransportDB(this.options.db, {
-      bssHardfork1Index: this.options.bssHardfork1Index,
       l2ChainId: this.options.l2ChainId,
     })
 

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

@@ -86,7 +86,6 @@ export class L2IngestionService extends BaseService<L2IngestionServiceOptions> {
     this.l2IngestionMetrics = registerMetrics(this.metrics)
 
     this.state.db = new TransportDB(this.options.db, {
-      bssHardfork1Index: this.options.bssHardfork1Index,
       l2ChainId: this.options.l2ChainId,
     })
 

packages/data-transport-layer/src/services/main/service.ts

@@ -9,6 +9,7 @@ import { L1IngestionService } from '../l1-ingestion/service'
 import { L1TransportServer } from '../server/service'
 import { validators } from '../../utils'
 import { L2IngestionService } from '../l2-ingestion/service'
+import { BSS_HF1_INDEX } from '../../config'
 
 export interface L1DataTransportServiceOptions {
   nodeEnv: string
@@ -36,7 +37,6 @@ export interface L1DataTransportServiceOptions {
   defaultBackend: string
   l1GasPriceBackend: string
   l1StartHeight?: number
-  bssHardfork1Index?: number
 }
 
 const optionSettings = {
@@ -68,15 +68,14 @@ export class L1DataTransportService extends BaseService<L1DataTransportServiceOp
   protected async _init(): Promise<void> {
     this.logger.info('Initializing L1 Data Transport Service...')
 
-    if (this.options.bssHardfork1Index !== null && this.options.bssHardfork1Index !== undefined) {
-      this.logger.info(`BSS HF1 is active at block: ${this.options.bssHardfork1Index}`)
-    } else {
-      this.logger.info(`BSS HF1 is not active`)
-    }
-
     this.state.db = level(this.options.dbPath)
     await this.state.db.open()
 
+    // BSS HF1 activates at block 0 if not specified.
+    const bssHf1Index = BSS_HF1_INDEX[this.options.l2ChainId] || 0
+    this.logger.info(`L2 chain ID is: ${this.options.l2ChainId}`)
+    this.logger.info(`BSS HF1 will activate at: ${bssHf1Index}`)
+
     this.state.metrics = new Metrics({
       labels: {
         environment: this.options.nodeEnv,

packages/data-transport-layer/src/services/run.ts

@@ -51,7 +51,6 @@ type ethNetwork = 'mainnet' | 'kovan' | 'goerli'
       useSentry: config.bool('use-sentry', false),
       sentryDsn: config.str('sentry-dsn'),
       sentryTraceRate: config.ufloat('sentry-trace-rate', 0.05),
-      bssHardfork1Index: config.uint('bss-hardfork-1-index', null),
     })
 
     const stop = async (signal) => {

packages/data-transport-layer/src/services/server/service.ts

@@ -88,7 +88,6 @@ export class L1TransportServer extends BaseService<L1TransportServerOptions> {
     }
 
     this.state.db = new TransportDB(this.options.db, {
-      bssHardfork1Index: this.options.bssHardfork1Index,
       l2ChainId: this.options.l2ChainId,
     })