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Update arbitrum-integration.md #1387

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Jan 31, 2024
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Update arbitrum-integration.md #1387

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Update arbitrum-integration.md
howdymary Jan 31, 2024
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fix: use v2.2.2 release link
jcstein Jan 31, 2024
173a2a9
Update developers/arbitrum-integration.md
jcstein Jan 31, 2024
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8 changes: 4 additions & 4 deletions developers/arbitrum-integration.md
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Expand Up @@ -51,13 +51,13 @@ which relays commitments to Celestia’s data root to an onchain light client
on Ethereum. This allows L2 solutions that settle on Ethereum to benefit
from the scalability Celestia’s data availability layer can provide.

As part of this integration, Blobstream has been incorporated into the
As part of this integration, Blobstream is being called from the
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Arbitrum `SequencerInbox.sol` contract.

In the `SequencerInbox.sol` contract, the `validateBatchData`
modifier has been designed to authenticate that the data root is
on Celestia when reading a batch of data. This is achieved by the
[following code by @Ferret-san](https://gist.github.com/Ferret-san/3d3fc1b5738ee8d77ad112c0eb8bbe5f):
[following code in `arbnode/sequencer_inbox.go`](https://github.com/celestiaorg/nitro/blob/v2.2.2-no-blobstream/arbnode/sequencer_inbox.go):
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Note that the data above is the bytes serialized version of this struct in Go:

Expand Down Expand Up @@ -101,8 +101,8 @@ The [@celestiaorg/nitro](https://github.com/celestiaorg/nitro) integration
[uses the same fallback mechanism](https://github.com/celestiaorg/nitro/blob/f01968eb3d4e19329e9c92b050e98a8e5772f1f2/arbnode/batch_poster.go#L845-L857).

The fallback logic for Celestia DA is configurable, providing an alternative
to the previous default fallback mechanism. Additionally, a method has been
added to the Arbitrum node software. This method allows the sequencer to call
to the previous default fallback mechanism. Additionally, an ability has been
added to the Arbitrum node software which allows the sequencer to call
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`VerifyAttestation` to check if a data root has been posted on Blobstream or
not, before it sends the sequencer message (data pointer) to the underlying
chain.
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