feat: set mainnet delta upgrade time

[0xHansLee]

This PR enables Delta upgrade on mainnet.
The activation time is 1709107200, which is Wed Feb 28 2024 08:00:00 UTC.

Summary by CodeRabbit

• Refactor
  • Updated the configuration for the Mainnet to enhance operational timing.

[coderabbitai]

Walkthrough

The update involves modifying the Mainnet configuration within the rollup.Config structure by setting the DeltaTime value, which was previously nil, to a specific unsigned 64-bit integer (1709107200). This alteration affects both the main configuration file and its corresponding test file, ensuring consistency across the codebase.

Changes

Files	Change Summary
op-node/chaincfg/chains.go, .../chains_test.go	Updated DeltaTime in Mainnet config from nil to 1709107200.

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[coderabbitai]

Review Status

Actionable comments generated: 0

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between 9160b2d and e222f5b.

Files ignored due to path filters (1)

• ops-devnet/docker-compose.yml is excluded by: !**/*.yml

Files selected for processing (2)

• op-node/chaincfg/chains.go (1 hunks)
• op-node/chaincfg/chains_test.go (1 hunks)

Additional comments: 2

op-node/chaincfg/chains.go (1)

• 43-43: The update to the DeltaTime value for the Mainnet configuration is correctly set to u64Ptr(1709107200), aligning with the PR's objective to schedule the Delta upgrade on the Ethereum mainnet for Wednesday, February 28, 2024, at 08:00:00 UTC. This change is critical for the upgrade's timing and appears to be correctly implemented.

op-node/chaincfg/chains_test.go (1)

• 70-70: The update to the DeltaTime value in the mainnetCfg variable for testing purposes is correctly set to u64Ptr(1709107200), mirroring the change made in the main configuration file (chains.go). This ensures consistency between the main configuration and its tests, which is crucial for validating the Delta upgrade scheduling on the Ethereum mainnet.

[seolaoh]

LGTM

[kangsorang]

LGTM