Starknet pool to provide non-custodial liquidity to order book market makers

• Users can deposit and withdraw any ERC-20 token into the contract any time they want
• Whitelisted market makers can use the liquidity to call the fill_order function on the zigzag contract
• Users get credited their yield when they withdraw from the contract
• The pool earns fees off swaps and some LP tokens may have additional staking rewards.

• Test external MM calling fill_order with liquidity from pool
• Make "fill_order" method in proxy contract generalized for any potential exchange contract
• Create market maker vault mechanism
• test out approved market maker trading

• mammoth_deposit - deposit a single approved ERC20 to receive LP tokens (input Uint256)
• mammoth_withdraw - withdraw a single ERC20 in exchange for LP tokens (input Uint256)
• mammoth_swap - swap one ERC20 for another ERC20 (input Uint256)
• create_pool - create new pool

• is_pool_approved - given pool address returns 1 if valid pool and 0 else

• view_out_given_in - given amount of ERC20 in and an ERC20 for out returns the amount of the second ERC20 a user would receive for inputing the amount in a swap
• view_pool_minted_given_single_in - given amount of ERC20 in return amount of LP tokens minted
• view_single_out_given_pool_in - given amount of LP tokens in and ERC20 address returns amount of given ERC20 received for burning LP tokens
• get_ERC20_balance - given ERC20 address return balance of ERC20 in pool
• is_erc20_approved - given pool and ERC20 address returns 1 if ERC20 is approved for said pool else 0
• IMPLEMENTS ERC20_Mintable_Burnable

• Find the current owner account in current_account.json
• Find the current contract addresses in current_deployment_info.json

• Set STARKNET_NETWORK and PRIV_KEY variables in .env
• run python scripts/setup_account.py or set current_account.json manually
• run python scripts/compile.py from root
• run python scripts/deploy.py from root
• run python scripts/create_pool.py from root

• Call create_pool with owner account on proxy contract. Input: lp_address, pool_address, swap_fee, exit_fee
• NOTE: swap_fee and exit_fee should be structs like (1,2) that represents 1/2 or a .5 fee
• Call add_approved_erc20_for_pool with owner account on proxy for each ERC20. Input: pool_address, ERC20_address, weight
• NOTE: weight in same form at swap_fee/exit_fee

• Create pool through proxy with pool address
• Add the ERC20 address to approved pool with 1/3 weight each