I need WalletManager.create purchase transaction(accounts: List Account , txo: Output, exchange…

I need WalletManager.create purchase transaction(accounts: List Account , txo: Output, exchange…: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). The method should use exchange.to dewies(fee.currency, fee.amount) to convert non-LBC claim prices before constructing…

The task

The method should use `exchange.to_dewies(fee.currency, fee.amount)` to convert non-LBC claim prices before constructing the transaction. If `manager.config.max_key_fee` is set and the converted purchase price is above that configured maximum, it should raise `KeyFeeAboveMaxAllowedError` with a message that includes…

Part of FineEnvs/MiMo-V2.6-RL-harbor-code.