Partial-drain test transactions

Orca's assessment for RD-F-091 — scored gray on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Partial-drain test transaction signal. Conceptually applicable to Solana Whirlpools pools. No exploit history for Orca means no retrospective pre-strike pattern has been documented; no reference pattern in the DB. On-chain pattern matcher not deployed for Orca pools in T-10 static context.

Sources #

Internal
Orca data cache — no incidents00-data-cache.json sources.rekt.incidents=[] and sources.defillama.hacks=[]retrieved 2026-05-16
Curator note
T-10 static assessment gap — partial-drain pattern matcherNo Orca exploit history documented (cache sources.rekt.incidents=[], sources.defillama.hacks=[]); no pre-strike pattern in reference DB; pattern matcher not deployed for Orca in T-10retrieved 2026-05-16

Methodology #

Detect one or more small-value outflows prior to a larger drain that match a known pre-strike pattern (low-value same-function calls from new wallet).

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol orca factor RD-F-091 score gray collected_at 2026-05-16 02:39:16