fix get_receiver_trade_fee
for cosmos
#1767
Merged
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send_amount: BigDecimal
parameter was initially added for calculating receiver trade fee in cosmos swaps.As it's been explained with the comments here:
https://github.com/KomodoPlatform/atomicDEX-API/blob/547a30a79b16da38769411772d837548922ee529/mm2src/coins/tendermint/tendermint_coin.rs#L1994-L1997
We are trying to simulate create HTLC transactions with the received amount, which causes tx errors if the sender sends more amount than what cosmos address has.
Because htlc amount doesn't increase the gas fee, I decided to remove that send amount parameter and use the minimum tx amount instead.
ref txs with different amounts and close gas fees: