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Flash Swap

Transactions

1. AppCall:
Sender: user_address Index: tinyman_amm_v2_app_id OnComplete: NoOp App Args: [“flash_swap”, index_diff, asset_1_amount, asset_2_amount] Foreign Assets: [asset_1_id, asset_2_id] Accounts: [pool_address] Fee: (3 * min_fee)
2. AppCall (Group Index: index of flash swap call + index diff specified in the arguments):
Sender: user_address Index: tinyman_amm_v2_app_id OnComplete: NoOp App Args: [“verifiy_flash_swap”, index_diff] Foreign Assets: [asset_1_id, asset_2_id] Accounts: [pool_address] Fee: min_fee

Side Effects

  1. 1.
    Flash Swap

Local State Changes

  1. 1.
    lock
  2. 2.
    asset_1_cumulative_price
  3. 3.
    asset_2_cumulative_price
  4. 4.
    cumulative_price_update_timestamp
Logs
To able to share data between app calls, these logs are added:
  1. 1.
    asset_1_balance_after_transfer
  2. 2.
    asset_2_balance_after_transfer

Inner Transactions

1. AssetTransfer (If asset 1 amount is not 0):
Sender: pool_address Receiver: user_address Index: asset_1_id Amount: asset_1_amount
2. AssetTransfer/Pay (If asset 2 amount is not 0):
Sender: pool_address Receiver: user_address Index: asset_2_id Amount: asset_2_amount
2. Verify Flash Swap
Local State Changes
  1. 1.
    lock
  2. 2.
    asset_1_reserves
  3. 3.
    asset_2_reserves
  4. 4.
    asset_1_protocol_fees
  5. 5.
    asset_2_protocol_fees
Logs
  1. 1.
    asset_1_output_amount
  2. 2.
    asset_1_input_amount
  3. 3.
    asset_1_poolers_fee_amount
  4. 4.
    asset_1_protocol_fee_amount
  5. 5.
    asset_1_total_fee_amount
  6. 6.
    asset_2_output_amount
  7. 7.
    asset_2_input_amount
  8. 8.
    asset_2_poolers_fee_amount
  9. 9.
    asset_2_protocol_fee_amount
  10. 10.
    asset_2_total_fee_amount
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State Data
Last modified 11mo ago