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Source: instructions/account_manager/{account,collateral}.rs.

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user_create_margin

Initialize ["margin", authority]. One per wallet. Authority = signer.

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user_deposit_collateral(amount)

init_if_needed the margin vault (ATA(mint, margin)), then a measured transfer in. The asset must be a collateral-enabled token, not a venue. Any allowed token that reaches the vault counts, however it got there: deposit, borrow, swap, or a plain transfer.

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user_withdraw_collateral(amount, min_health_factor_wad)

Transfer from the margin vault to the wallet. If the margin has debt, the full-set health factor after the withdrawal must exceed 1.10 and min_health_factor_wad. A debt-free withdrawal reads no prices at all.

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user_reclaim_rent

Close an empty margin vault, a fully repaid DebtPosition, or both, and return the rent to the authority.

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user_close_margin

Requires no debts and no venues. Closes the margin PDA and returns its rent.

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Limits

Each margin holds at most max_debts_per_margin debts and max_venues_per_margin venues. Collateral tokens are bounded by the protocol’s allowed-token list, so every health scan has a fixed upper cost.