Calculate USD value for Drift perps without spot mint

[zknpr]

Implemented the TODO in projects/neutral-trade/utils/drift.js to calculate the USD value of perpetual positions that do not have a corresponding spot token mint (e.g., points markets or pre-launch markets like HYPE-PERP).

The fix involves:

1. Retrieving the PerpMarket account info from the cached perpAccountMap.
2. Reading the last_oracle_price directly from the account data at offset 72 (corresponding to amm.historical_oracle_data.last_oracle_price in Drift V2 layout).
3. Calculating the USD value using (base_asset_amount * price) / 10^9, assuming standard Drift precision (9 decimals for base asset, 6 decimals for price/quote).
4. Adding the result to the api accumulator as USDC.

This ensures that TVL for markets like HYPE-PERP is correctly accounted for.
Verified logic with targeted scripts checking offsets and values against live mainnet data.

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PR created automatically by Jules for task 9575155516090815336 started by @zknpr

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📥 Commits

Reviewing files that changed from the base of the PR and between 2d20682 and c113262.

📒 Files selected for processing (1)

• projects/neutral-trade/utils/drift.js

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[zknpr]

Closing: duplicate of PR #73 (drift pricing). #73 has better precision comments and clearer variable naming.

[google-labs-jules]

Closing: duplicate of PR #73 (drift pricing). #73 has better precision comments and clearer variable naming.

Understood. Acknowledging that this PR is a duplicate and is now closed. Stopping work on this task.