char*instantdex_BTCswap(structsupernet_info*myinfo,structexchange_info*exchange,structinstantdex_accept*A,char*cmdstr,structinstantdex_msghdr*msg,cJSON*argjson,char*remoteaddr,uint64_tsignerbits,uint8_t*serdata,int32_tdatalen)// receiving side
char*instantdex_BTCswap(structsupernet_info*myinfo,structexchange_info*exchange,structinstantdex_accept*A,char*cmdstr,structinstantdex_msghdr*msg,cJSON*argjson,char*remoteaddr,uint64_tsignerbits,uint8_t*serdata,int32_tdatalen)// receiving side