Fix HYPE sell clamp using master wallet free balance#41
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The agent wallet (HYPERLIQUID_ACCOUNT_ADDRESS) used to sign orders holds no funds — funds live at META_MASK. ccxt's fetch_balance queries the agent address and returns 0 HYPE, so the pre-trade clamp pinned sell amounts to zero and Hyperliquid rejected the orders with "Order has zero size." Use spotClearinghouseState at the master wallet (total - hold) for the free balance, and skip cleanly if the resulting size rounds to 0.
- Extract ERR_SIZE_BELOW_PRECISION constant (S1192) - Use logger.exception in Hyperliquid balance fetch (S8572) - Add tests covering get_hyperliquid_free_balance and the spotClearinghouseState fetch helper
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Summary
_execute_hypewas clamping sell sizes againstccxt.fetch_balance().get("free", {}).get("HYPE", 0), which queries the agent wallet (HYPERLIQUID_ACCOUNT_ADDRESS). Funds live at the master wallet (META_MASK), so the clamp pinned sells to0, and Hyperliquid rejected them withOrder has zero size.Balance.get_hyperliquid_free_balance("HYPE"), which readstotal - holdfromspotClearinghouseStateatMETA_MASK— the same source already used for portfolio valuation.if trade_amount <= 0: skipguard so zero-size submissions never reach the exchange.v1.5.0→v1.5.1.How it broke
Observed in prod logs at
2026-05-20 00:16:56: signal cut HYPE 26.1% → 8.3%, rebalance computedsell ~33 HYPE, but the clamp producedSELL 0.0and Hyperliquid rejected. Live API confirmedspotClearinghouseState@META_MASKshows HYPE present whileccxt.fetch_balance()@HYPERLIQUID_ACCOUNT_ADDRESSreturns{HYPE: None}.Test plan
pytest— 57 passed (including 2 new regression tests for the agent/master wallet split and the zero-free skip)