Offramp EURe bot Vyper smart contract

offramp_bot_eth.vy

deposit

This function deploys a bot contract using blueprint and create a loan.

Key	Type	Description
swap_infos	SwapInfo[]	swap info array to swap tokens on Curve

SwapInfo (struct)

This struct is to define swap information using Curve swap router.

Key	Type	Description
route	address[11]	Array of tokens, pool or zap addresses that Curve swap router uses for exchange into DAI
swap_params	uint256[5][5]	Multidimensional array of [i, j, swap type, pool_type, n_coins] that Curve swap router uses for exchange
amount	uint256	The amount of input token (route[0]) to be sent
expected	uint256	The minimum DAI amount received after the final swap
pools	address[5]	Array of pools for swaps via zap contracts. This parameter is only needed for swap_type = 3.

offramp_bot_eth.vy

swap

This function swaps xDAI into EURe and sends to the depositor. Compass-EVM can run this function.

Key	Type	Description
receiver	address	Array of tokens, pool or zap addresses that Curve swap router uses for exchange into DAI
amount	uint256	The amount of DAI
expected	uint256	The minimum EURe amount received after the final swap
deposit_id	uint256	Deposit id on the ETH Vyper contract
return	uint256	EURe amount that the user receives

get_expected

This view function returns EURe amount from Curve exchange by DAI amount.

Key	Type	Description
amount	uint256	Input DAI amount
return	uint256	Expected EURe amount that the user receives

update_compass

Update Compass-EVM address. This is run by Compass-EVM only.

Key	Type	Description
new_compass	address	New compass-evm address

update_refund_wallet

Update gas refund wallet address. This is run by Compass-EVM only.

Key	Type	Description
new_refund_wallet	address	New refund wallet address

update_fee

Update gas fee amount to pay. This is run by Compass-EVM only.

Key	Type	Description
new_fee	uint256	New fee amount

set_paloma

Set Paloma CW address in bytes32. This is run by Compass-EVM only and after setting paloma, the bot can start working.

update_service_fee_collector

Update service fee collector address. This is run by the original fee collector address. The address receives service fee from swapping.

Key	Type	Description
new_service_fee_collector	address	New service fee collector address