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Functions

submitAttestation

Accepts an attestation signed by a Notary and passes it to Destination contract to save.

Attestation is created whenever a Notary-signed snapshot is saved in Summit on Synapse Chain.

• Saved Attestation could be later used to prove the inclusion of message in the Origin Merkle Tree.
• Messages coming from chains included in the Attestation's snapshot could be proven.
• Proof only exists for messages that were sent prior to when the Attestation's snapshot was taken.

Will revert if any of these is true:

• Attestation payload is not properly formatted.
• Attestation signer is not an active Notary for local domain.
• Attestation signer is in Dispute.
• Attestation's snapshot root has been previously submitted.
• Attestation's data hash doesn't match the hash of provided agentRoot and snapshot gas data.

function submitAttestation(
    bytes memory attPayload,
    bytes memory attSignature,
    bytes32 agentRoot,
    uint256[] memory snapGas
) external returns (bool wasAccepted);

Parameters

Returns

submitAttestationReport

Accepts a Guard's attestation report signature, as well as Notary signature for the reported Attestation.

AttestationReport is a Guard statement saying "Reported attestation is invalid".

• This results in an opened Dispute between the Guard and the Notary.
• Note: Guard could (but doesn't have to) form a AttestationReport and use attestation signature from verifyAttestation() successful call that led to Notary being slashed in Summit on Synapse Chain.

Will revert if any of these is true:

• Attestation payload is not properly formatted.
• Attestation Report signer is not an active Guard.
• Attestation signer is not an active Notary for local domain.

function submitAttestationReport(bytes memory attPayload, bytes memory arSignature, bytes memory attSignature)
    external
    returns (bool wasAccepted);

Parameters

Returns