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Introduce new SignatureScheme enum variant for Robust ECDSA and use it in the contract. #1638
Description
Background
The first step in integrating Robust ECDSA in the MPC code is to upgrade the SignatureScheme enum variant to support Robust ECDSA as a new domain and make the necessary contract changes to support creating a new domain for Robust ECDSA.
User Story
As a node operator I want to be able to support the new Robust ECDSA scheme.
Acceptance Criteria
The MPC contract supports creating a new domain for Robust ECDSA. The MPC nodes will initially ignore these domains.
Activity
[-]Introduce new `SignatureScheme` enum variant for Robust ECDSA and use it in the contract[/-][+]Introduce new `SignatureScheme` enum variant for Robust ECDSA and use it in the contract.[/+]netrome commentedon Dec 10, 2025
Base the work on introduce_signature_scheme_v2_secp256_k1 to avoid conflicts with #1640
kevindeforth commentedon Dec 10, 2025
This might get a bit more complicated, as the robust ecdsa will require a different threshold value from what we use right now in the contract
c.f. https://nearone.slack.com/archives/C0912BTG51T/p1765383919608359?thread_ts=1765374628.931179&cid=C0912BTG51T