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feat(protocol): add solver support for l2 to l1 eth bridging #18805

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merged 182 commits into from
Feb 10, 2025

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AnshuJalan
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This is an extension of #18616 for L2 -> L1 FnS ETH bridging.

  • As of now, Ether bridging is facilitated directly via Bridge.sol. Thus, the Bridge contract itself acts as the “ether vault”.
  • We might as well modify Bridge.sol to incorporate a solver condition, but that would fundamentally change the core of the message passing system. Therefore, a better alternative implemented in this PR is a separate EtherBridgeWrapper.sol that handles just the “Eth in” and “Eth out” part of bridging by including a solver condition, leaving the existing functionality of Bridge.sol and surrounding infra untouched.
  • Bridge.sol can still be used for standard slow withdrawals.

dantaik and others added 30 commits November 23, 2024 14:59
Co-authored-by: xiaodino <[email protected]>
Co-authored-by: Daniel Wang <[email protected]>
Co-authored-by: dantaik <[email protected]>
@dantaik dantaik requested a review from adaki2004 January 25, 2025 13:49
@AnshuJalan AnshuJalan requested a review from dantaik January 31, 2025 09:48
@AnshuJalan
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Solver logic for eth has been merged into ERC20Vault. The formerly added EtherBridgeWrapper has been deleted.

Base automatically changed from pacaya_fork to main February 4, 2025 09:05
@AnshuJalan
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@dantaik @cyberhorsey Would you mind managing the conflicts here? I am not sure where did these turn up from

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dantaik commented Feb 6, 2025

@AnshuJalan I helped you with the conflicts, but please double check if some of your changes are deleted by mistake :D

@dantaik dantaik self-requested a review February 10, 2025 03:27
@dantaik dantaik enabled auto-merge (squash) February 10, 2025 04:29
@dantaik dantaik merged commit 320ef05 into main Feb 10, 2025
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@dantaik dantaik deleted the add-solver-support-l2-to-l1-eth-bridging branch February 10, 2025 04:32
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8 participants