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switch minSigners to f in RMNRemote & RMNHome #1495

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RyanRHall
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@RyanRHall RyanRHall commented Oct 9, 2024

Motivation

In CCIPHome we have a requirement on the number of supporting oracles, but on RMNHome we have a laxer requirement of n >= minObservers which is not ideal (this was also in the initial sketch). If we have n=minObservers then liveness is not guaranteed. If we express f=minObservers-1, then we need at least n >= 2f+1 for liveness.

Similar story in RMNRemote for f=minSigners-1, where n >= 2f+1 would also be required for liveness.

Solution

Drop the minObservers/minSigners in favor of f for uniformity with CCIPConfig

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github-actions bot commented Oct 9, 2024

LCOV of commit 26b2eb2 during Solidity Foundry #8591

Summary coverage rate:
  lines......: 97.9% (2286 of 2336 lines)
  functions..: 95.1% (429 of 451 functions)
  branches...: 93.6% (540 of 577 branches)

Files changed coverage rate: n/a

@RyanRHall RyanRHall changed the title switch minsigners to f in RMNRemote switch minSigners to f in RMNRemote & RMNHome Oct 10, 2024
@RyanRHall RyanRHall changed the title switch minSigners to f in RMNRemote & RMNHome switch minSigners to f in RMNRemote & RMNHome Oct 10, 2024
@RyanRHall RyanRHall enabled auto-merge (squash) October 10, 2024 13:38
@RyanRHall RyanRHall enabled auto-merge (squash) October 10, 2024 13:39
@@ -92,10 +92,13 @@ contract RMNRemote is OwnerIsCreator, ITypeAndVersion, IRMNRemote {
Signature[] calldata signatures,
uint256 rawVs
) external view {
(bool enabled, uint64 f) = (s_config.enabled, s_config.f);
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That's pretty non-standard notation. Both are also used only once, does inlining te storage read really add a significant amount of gas?

@RyanRHall RyanRHall force-pushed the CCIP-3614-have-rmn-be-more-in-line-with-ccip-config branch from 0cff04e to 9468868 Compare October 15, 2024 19:00
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Quality Gate passed Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarQube

@RyanRHall
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closing in favor of smartcontractkit/chainlink#14817

@RyanRHall RyanRHall closed this Oct 16, 2024
auto-merge was automatically disabled October 16, 2024 20:54

Pull request was closed

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3 participants