#pragma version >=0.4.3; #include "storage.fc"; #include "helpers.fc"; #include "constant.fc"; #include "op-codes-vnst.fc"; (slice, int, int, int, int) mint( slice _sender_address, int _ton_amount, int _foward_ton_amount, int _amount_usdt, int _query_id ) impure { (int total_supply, slice admin_address, slice next_admin_address, cell jetton_wallet_code, cell metadata_uri, cell config_data, cell management) = load_data(); (int redeem_fee, int mint_fee, int mint_status, int redeem_status) = load_fee_and_status(config_data); (int min_redeem_limit, int max_redeem_limit, int min_mint_limit, int max_mint_limit, int max_mint_limit_verified_user, int max_redeem_limit_verified_user) = load_limit(config_data); (int market_price, int redeem_covered_price, int mint_covered_price, int redeem_covered_amount, int mint_covered_amount) = load_price(config_data); (int usdt_pool, int vnst_pool, int operation_pool, int k) = load_pool(config_data); (cell moderator, cell verified_user, slice usdt_jetton_wallet) = load_management(management); int _max_limit = is_check(verified_user, _sender_address) == 1 ? max_mint_limit_verified_user : max_mint_limit; int amount = 0; int error_code = 0; slice refund_msg = "Refund"; slice mint_msg = "Mint"; if (mint_status != 1) { _internal_transfer(usdt_jetton_wallet, _sender_address, _amount_usdt, _ton_amount, _query_id, refund_msg); error_code = error::wrong_op_1001; } if (market_price < mint_covered_price) { _internal_transfer(usdt_jetton_wallet, _sender_address, _amount_usdt, _ton_amount, _query_id, refund_msg); error_code = error::wrong_op_1002; } if (_amount_usdt < min_mint_limit) { _internal_transfer(usdt_jetton_wallet, _sender_address, _amount_usdt, _ton_amount, _query_id, refund_msg); error_code = error::wrong_op_1003; } if (_amount_usdt > _max_limit) { _internal_transfer(usdt_jetton_wallet, _sender_address, _amount_usdt, _ton_amount, _query_id, refund_msg); error_code = error::wrong_op_1004; } if (error_code == 0) { int _amount_usdt_mint = _amount_usdt - (_amount_usdt * mint_fee) / _rate_decimal; int _operation_pool = operation_pool + (_amount_usdt - _amount_usdt_mint); update_operation_pool(_operation_pool); if (market_price == mint_covered_price) { int amount_vnst_support_out = _getAmountVNSTSupport(_amount_usdt_mint); if ( mint_covered_amount <= amount_vnst_support_out) { _internal_transfer(usdt_jetton_wallet, _sender_address, _amount_usdt,_ton_amount, _query_id, refund_msg); } else { int _mint_covered_amount = mint_covered_amount - amount_vnst_support_out; update_mint_covered_amount(_mint_covered_amount); _send_to_jetton_wallet(_sender_address, _ton_amount, _foward_ton_amount, amount_vnst_support_out, _query_id, mint_msg); amount = amount_vnst_support_out; } } if (market_price > mint_covered_price) { int amount_usdt_in_before_support = _getUSDTInBeforeCovered(); if (_amount_usdt_mint <= amount_usdt_in_before_support) { int amount_vnst_out = _calculateVMM(usdt_pool, vnst_pool, _amount_usdt_mint); _updatePool(vnst_pool - amount_vnst_out, usdt_pool + _amount_usdt_mint); _send_to_jetton_wallet(_sender_address, _ton_amount, _foward_ton_amount, amount_vnst_out, _query_id, mint_msg); amount = amount_vnst_out; } else { int amount_vnst_out = _calculateVMM(usdt_pool, vnst_pool, amount_usdt_in_before_support); int amount_vnst_support_out = _getAmountVNSTSupport(_amount_usdt_mint - amount_usdt_in_before_support); if ( mint_covered_amount <= amount_vnst_support_out) { _internal_transfer(usdt_jetton_wallet, _sender_address, _amount_usdt,_ton_amount, _query_id, refund_msg); } else { int _mint_covered_amount = mint_covered_amount - amount_vnst_support_out; update_mint_covered_amount(_mint_covered_amount); _updatePool(vnst_pool - amount_vnst_out, usdt_pool + amount_usdt_in_before_support); _send_to_jetton_wallet(_sender_address, _ton_amount, _foward_ton_amount, amount_vnst_out + amount_vnst_support_out, _query_id, mint_msg); amount = amount_vnst_out + amount_vnst_support_out; } } } } return (_sender_address, _amount_usdt, amount, now(), market_price); } () redeem( slice _sender_address, int _burn_ton_amount, int _transfer_ton_amount, int _amount_vnst, int _query_id ) impure { (int total_supply, slice admin_address, slice next_admin_address, cell jetton_wallet_code, cell metadata_uri, cell config_data, cell management_user) = load_data(); (int redeem_fee, int mint_fee, int mint_status, int redeem_status) = load_fee_and_status(config_data); (int min_redeem_limit, int max_redeem_limit, int min_mint_limit, int max_mint_limit, int max_mint_limit_verified_user, int max_redeem_limit_verified_user) = load_limit(config_data); (int market_price, int redeem_covered_price, int mint_covered_price, int redeem_covered_amount, int mint_covered_amount) = load_price(config_data); (int usdt_pool, int vnst_pool, int operation_pool, int k) = load_pool(config_data); (cell moderator, cell verified_user, slice usdt_jetton_wallet) = load_management(management_user); int _max_limit = is_check(verified_user, _sender_address) == 1 ? max_redeem_limit_verified_user : max_redeem_limit; slice jetton_wallet_address = calculate_user_jetton_wallet_address(my_address(), my_address(), jetton_wallet_code); slice redeem_msg = "Redeem"; slice refund_msg = "Refund"; int error_code = 0; if (redeem_status != 1) { _internal_transfer(jetton_wallet_address, _sender_address, _amount_vnst, _transfer_ton_amount, _query_id, refund_msg); error_code = error::wrong_op_1001; } if (market_price > redeem_covered_price) { _internal_transfer(jetton_wallet_address, _sender_address, _amount_vnst, _transfer_ton_amount, _query_id, refund_msg); error_code = error::wrong_op_1002; } if (_amount_vnst < min_redeem_limit) { _internal_transfer(jetton_wallet_address, _sender_address, _amount_vnst, _transfer_ton_amount, _query_id, refund_msg); error_code = error::wrong_op_1003; } if (_amount_vnst > _max_limit) { _internal_transfer(jetton_wallet_address, _sender_address, _amount_vnst, _transfer_ton_amount, _query_id, refund_msg); error_code = error::wrong_op_1004; } if(error_code == 0) { if (market_price == redeem_covered_price) { int amount_usdt_support_out = _getAmountUSDTSupport(_amount_vnst); if (redeem_covered_amount < amount_usdt_support_out) { _internal_transfer(jetton_wallet_address, _sender_address, _amount_vnst, _transfer_ton_amount, _query_id, refund_msg); error_code = error::wrong_op_1005; } else { int _redeem_covered_amount = redeem_covered_amount - amount_usdt_support_out; update_redeem_covered_amount(_redeem_covered_amount); int _operation_pool = operation_pool + (amount_usdt_support_out * redeem_fee) / _rate_decimal; update_operation_pool(_operation_pool); _burn_jetton(_sender_address, _burn_ton_amount, _amount_vnst, _query_id); _internal_transfer(usdt_jetton_wallet, _sender_address, (amount_usdt_support_out * _rate_decimal - amount_usdt_support_out * redeem_fee) / _rate_decimal, _transfer_ton_amount, _query_id, redeem_msg); } } if (market_price < redeem_covered_price) { int amount_vnst_in_before_support = _getVNSTInBeforeCovered(); if (_amount_vnst <= amount_vnst_in_before_support) { int amount_usdt_out = _calculateVMM(vnst_pool, usdt_pool, _amount_vnst); _updatePool(vnst_pool + _amount_vnst, usdt_pool - amount_usdt_out); int _operation_pool = operation_pool + (amount_usdt_out * redeem_fee) / _rate_decimal; update_operation_pool(_operation_pool); _burn_jetton(_sender_address, _burn_ton_amount, _amount_vnst, _query_id); _internal_transfer(usdt_jetton_wallet, _sender_address, (amount_usdt_out * _rate_decimal - amount_usdt_out * redeem_fee) / _rate_decimal, _transfer_ton_amount, _query_id, redeem_msg); } else { int amount_usdt_out = _calculateVMM(vnst_pool, usdt_pool, amount_vnst_in_before_support); int amount_usdt_support_out = _getAmountUSDTSupport(_amount_vnst - amount_vnst_in_before_support); if (redeem_covered_amount < amount_usdt_support_out) { _internal_transfer(jetton_wallet_address, _sender_address, _amount_vnst, _transfer_ton_amount, _query_id, refund_msg); error_code = error::wrong_op_1006; } else { int _redeem_covered_amount = redeem_covered_amount - amount_usdt_support_out; update_redeem_covered_amount(_redeem_covered_amount); int sum_usdt_out = amount_usdt_out + amount_usdt_support_out; _updatePool(vnst_pool + amount_vnst_in_before_support, usdt_pool - amount_usdt_out); int _operation_pool = (operation_pool * _rate_decimal + (sum_usdt_out * redeem_fee)) / _rate_decimal; update_operation_pool(_operation_pool); _burn_jetton(_sender_address, _burn_ton_amount, _amount_vnst, _query_id); _internal_transfer(usdt_jetton_wallet, _sender_address, (sum_usdt_out * _rate_decimal - sum_usdt_out * redeem_fee) / _rate_decimal, _transfer_ton_amount, _query_id, redeem_msg); } } } } }

Contracts/hiSQ21HW/bM04shpZKQg6hRZZmBswq7I60CHHzAolNQ=

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