Finish out post capella block header verification

Author: acolytec3

packages/cli/scripts/postCapellaBlockBridge.ts

@@ -148,6 +148,7 @@ const main = async () => {
                 beaconBlockRoot: bytesToHex(ssz[blockFork].BeaconBlock.value_toTree(fullBlock).root),
             })
             const execPayload = executionPayloadFromBeaconPayload(fullBlockJson.data.message.body.execution_payload)
+            execPayload['number'] = execPayload.blockNumber
             const header = BlockHeader.fromHeaderData(execPayload, { common: new Common({ chain: 'mainnet', hardfork: 'cancun' }) })
             const headerWithProof = BlockHeaderWithProof.serialize({
                 header: header.serialize(),

packages/portalnetwork/src/networks/history/history.ts

@@ -31,6 +31,7 @@ import type { ENR } from '@chainsafe/enr'
 import type { Debugger } from 'debug'
 import type { BaseNetworkConfig, ContentLookupResponse, FindContentMessage } from '../../index.js'
 import { RunStatusCode } from '@lodestar/light-client'
+
 export class HistoryNetwork extends BaseNetwork {
   networkId: NetworkId.HistoryNetwork
   networkName = 'HistoryNetwork'
@@ -182,17 +183,15 @@ export class HistoryNetwork extends BaseNetwork {
       }
     }
     else {
+      // TODO: Check proof slot to ensure header is from previous sync period and handle ephemeral headers separately
       if (proof.value === null) {
         this.logger('Received post-merge block without proof')
       }
       const beacon = this.portal.network()['0x500c']
       if (beacon !== undefined && beacon.lightClient?.status === RunStatusCode.started) {
-        // TODO: Determine how to only require proofs for blocsk from previous sync periods
-        // We don't currently have a mapping of EL block numbers to slots so cannot determine precisely
-        // if a given EL block is from a previous period or not
-        // TODO: Add handlng for ephemeral blocks in the current sync period
         try {
           verifyPostCapellaHeaderProof(proof.value as any, header.hash(), beacon.historicalSummaries, beacon.beaconConfig)
+          this.logger(`Successfully verified proof for block header ${header.number}`)
         } catch {
           this.logger('Received post-capella block header with invalid proof')
           // TODO: throw new Error('Received post-merge block header with invalid proof')