flowchart TD
   
   Buyer[Buyer] --> |1.Allocate 1ETH for buyer to be spent by the Owner Canister|icrc2_approve_to --> |2.1ETH -> 10CDAO|Owner[Owner]--> |3.The Owner has two optiond to accept the swap request or to decline it|AcceptOrDecline{AcceptOrDecline}
   AcceptOrDecline --> |4..Owner accepts the request|Accept[Accept]
   AcceptOrDecline --> |4.The Owner declined the swap request|Decline[Decline]

   Accept -->|5.Do the swap|Buyer --> |6.Transfer tokens from buyer to owner|Owner --> |7.Transfer tokens from Owner to Buyer|Buyer--> |8.Check if the token thats being given inplace of the Owner's token has a value or not|get_token_price{get_token_price}
   get_token_price --> |9.If the token is priced|Priced --> |10.Update Owner latest_swap_price for that token|Update --> |11.Update the Owner's canister data|Owner
   get_token_price --> |9.The token is not priced|NotPriced

flowchart TD
    Requester[Requester Principal] --> swap_request --> Creator[Creator Canister]

    CreatorPrincipal[Creator Principal] --> swap_request_action --> Creator

    Requester --> cancel_swap_request --> Creator

flowchart TD
    swap_request[token_a --> token_b] --> token_a
    swap_request --> token_b
    token_a --> |1.Check if the token has icrc2 support|is_icrc2_supported_token
    token_b --> |2.Check if the token has icrc2 support|is_icrc2_supported_token --> |3.Check if this canister is the token owner|is_token_creator

    token_b --> is_token_creator --> |4.Allocate token_a with expiry 1wk|icrc2_approve
    token_a --> icrc2_approve

flowchart TD
    Caller[Caller = token_creator] --> swap_request_action{SwapRequestActions} --> Accept
    Accept --> token_a
    Accept --> token_b
    Accept --> requester_principal

    token_a --> Swap
    token_b --> Swap
    requester_principal --> Swap

    swap_request_action --> Decline

    Swap --> get_token_prices{get_token_prices} --> Priced -->UpdateLastSwappedPrice[Update Last Swap Price]
    get_token_prices --> NotPriced

flowchart TD
   Caller[token_ledger] -->
   get_ledger_controllers[Get Controllers] --> filter_canister_ids[Filter Canister IDs]
   
   filter_canister_ids --> |Verifies token ownership by calling deployed_cdao for each ID| IsTokenOwner{Is Token Owner?}
   
   IsTokenOwner --> |Not Owner| NotOwner[Error: Not Owner] --> error[Error]
   IsTokenOwner --> |Owner Verified| Owner[Owner] --> check_price_field[Check Price Field] --> return[Return Token Price]

flowchart TD
    Caller[Caller = requester_principal] -->
    token_a --> |Deallocate by calling icrc2_approve again and setting the amount to 0|icrc2_approve