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Add participation > MIN_SYNC_COMMITTEE_PARTICIPANTS check #2

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Add participation > MIN_SYNC_COMMITTEE_PARTICIPANTS check #2

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7 changes: 7 additions & 0 deletions src/Spectre.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,8 @@ contract Spectre {

uint256 internal immutable SLOTS_PER_PERIOD;

uint256 internal constant MIN_SYNC_COMMITTEE_PARTICIPANTS = 10;

/// Maps from a sync period to the poseidon commitment for the sync committee.
mapping(uint256 => uint256) public syncCommitteePoseidons;

Expand Down Expand Up @@ -60,6 +62,11 @@ contract Spectre {
"Sync committee not yet set for this period"
);

require(
input.participation > MIN_SYNC_COMMITTEE_PARTICIPANTS,
"Less than MIN_SYNC_COMMITTEE_PARTICIPANTS signed"
);

_verifyStepProof(input, proof, syncCommitteePoseidons[currentPeriod]);

// update the contract state
Expand Down