Define L1 Starting block via OwnershipTransferred rather than Address…

…Set (#1129) * Update service.ts * Create thirty-years-look.md Co-authored-by: smartcontracts <kelvinfichter@gmail.com>
ethereum-optimism · Jun 22, 2021 · 8582fc1 · 8582fc1
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diff --git a/.changeset/thirty-years-look.md b/.changeset/thirty-years-look.md
@@ -0,0 +1,5 @@
+---
+'@eth-optimism/data-transport-layer': minor
+---
+
+Define L1 Starting block via OwnershipTransferred (occurring on block 1) rather than AddressSet (occuring on block 2 onwards)
diff --git a/packages/data-transport-layer/src/services/l1-ingestion/service.ts b/packages/data-transport-layer/src/services/l1-ingestion/service.ts
@@ -423,7 +423,7 @@ export class L1IngestionService extends BaseService<L1IngestionServiceOptions> {
 
     for (let i = 0; i < currentL1Block; i += 1000000) {
       const events = await this.state.contracts.Lib_AddressManager.queryFilter(
-        this.state.contracts.Lib_AddressManager.filters.AddressSet(),
+        this.state.contracts.Lib_AddressManager.filters.OwnershipTransferred(),
         i,
         Math.min(i + 1000000, currentL1Block)
       )