jupiter-sdk-vmm

Scale VMM adapter crate for Jupiter's jupiter-amm-interface.

What This Implements

• ScaleVmm implementing jupiter_amm_interface::Amm.
• Offline quote logic matching Scale VMM on-chain math for:
  • Constant product
  • Exponential
  • Buy path (mint_a -> mint_b) with fee on input mint_a
  • Sell path (mint_b -> mint_a) with fee on output mint_a
• ExactIn support and explicit ExactOut rejection.
• Dynamic account metas including beneficiary token accounts.
• Full VMM swap account contract including mandatory AMM graduation accounts:
  • VMM config PDA: ["config"]
  • VMM vault PDAs: [pair, mint]
  • AMM pool PDA: ["pool", pair, mint_a, mint_b]
  • AMM vault PDAs: [amm_pool, mint]
  • AMM config PDA: ["config"]
  • Fee token ATA for platform + beneficiaries on mint_a

Swap Leg Selection

By default, this adapter emits Swap::TokenSwap.

You can override per market using KeyedAccount.params:

{
  "swap": "gamma",
  "amm_program_id": "SCALEwAvEK5gtkdHiFzXfPgtk2YwJxPDzaV3aDmR7tA"
}

Supported swap overrides:

• token_swap
• gamma
• meteora_damm_v2
• obsidian
• raydium_v2

Local Validation

cargo test