fix(ctb): bug computing L2 timestamp (#2880)

* fix(ctb): bug computing L2 timestamp

Fixes a bug where the wrong constant was being used to compute L2
timestamps.

* bedrock: fix computeL2Timestamp block time

* bedrock: regenerate bindings

And add changeset.

* devnet: add missing config
Co-authored-by: Maurelian <maurelian@protonmail.ch>
Co-authored-by: Mark Tyneway <mark.tyneway@gmail.com>

.changeset/funny-garlics-arrive.md

+---
+'@eth-optimism/contracts-bedrock': patch
+---
+
+Fixes a bug that caused L2 timestamps to be computed incorrectly

packages/contracts-bedrock/contracts/L1/L2OutputOracle.sol

@@ -279,8 +279,7 @@ contract L2OutputOracle is OwnableUpgradeable {
             "OutputOracle: Block number must be greater than or equal to the starting block number."
         );
 
-        return
-            STARTING_TIMESTAMP + ((_l2BlockNumber - STARTING_BLOCK_NUMBER) * SUBMISSION_INTERVAL);
+        return STARTING_TIMESTAMP + ((_l2BlockNumber - STARTING_BLOCK_NUMBER) * L2_BLOCK_TIME);
     }
 
     /**

packages/contracts-bedrock/contracts/test/L2OutputOracle.t.sol

@@ -82,13 +82,13 @@ contract L2OutputOracleTest is L2OutputOracle_Initializer {
         // ... for the first block after the starting block
         assertEq(
             oracle.computeL2Timestamp(startingBlockNumber + 1),
-            startingTimestamp + submissionInterval
+            startingTimestamp + l2BlockTime
         );
 
         // ... for some other block number
         assertEq(
             oracle.computeL2Timestamp(startingBlockNumber + 96024),
-            startingTimestamp + submissionInterval * 96024
+            startingTimestamp + l2BlockTime * 96024
         );
     }
 

packages/contracts-bedrock/deploy-config/devnetL1.ts

@@ -39,9 +39,11 @@ const config = {
 
   genesisBlockChainid: 901,
   fundDevAccounts: true,
-  optimsismBaseFeeRecipient: '0xBcd4042DE499D14e55001CcbB24a551F3b954096',
+  optimismBaseFeeRecipient: '0xBcd4042DE499D14e55001CcbB24a551F3b954096',
   optimismL1FeeRecipient: '0x71bE63f3384f5fb98995898A86B02Fb2426c5788',
 
+  p2pSequencerAddress: '0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc',
+
   deploymentWaitConfirmations: 1,
 
   maxSequencerDrift: 1000,
@@ -49,6 +51,8 @@ const config = {
   channelTimeout: 40,
 
   outputOracleOwner: '0x70997970C51812dc3A010C7d01b50e0d17dc79C8',
+  optimismL2FeeRecipient: '0xd9c09e21b57c98e58a80552c170989b426766aa7',
+  batchSenderAddress: '0xDe3829A23DF1479438622a08a116E8Eb3f620BB5',
 }
 
 export default config