PDA Helpers

protocolConfigPda()                   // ["protocol"]
assetConfigPda(mint)                  // ["asset", mint]       (also ["asset", venue] for a venue)
reservePda(mint)                      // ["reserve", mint]
shareMintPda(mint)                    // ["share_mint", mint]
marginPda(authority)                  // ["margin", authority]
debtPositionPda(margin, reserve)      // ["debt", margin, reserve]
integrationPda(programId)             // ["integration", program_id]

priceBookPda()                        // ["price_book"]
marketBookPda(venue)                  // ["market_book", venue]

reserveVault(mint, tokenProgram)          // ATA(mint, reserve PDA)
marginVault(margin, mint, tokenProgram)   // ATA(mint, margin PDA) — its live balance is the collateral
lenderShareAccount(lender, mint)          // ATA(share mint, lender), classic SPL Token

// Phoenix trader owned by the margin account (Phoenix program)
["trader", margin, u16 0]
// Pyth push-oracle feed account (push-oracle program)
[u16 shard 0 LE, feed_id_bytes]