diff --git a/nym-wallet/src-tauri/src/error.rs b/nym-wallet/src-tauri/src/error.rs
index cd97eb4c05..04c954e6cb 100644
--- a/nym-wallet/src-tauri/src/error.rs
+++ b/nym-wallet/src-tauri/src/error.rs
@@ -1,6 +1,7 @@
 use nym_types::error::TypesError;
 use serde::{Serialize, Serializer};
 use std::io;
+use std::num::ParseIntError;
 use thiserror::Error;
 use validator_client::validator_api::error::ValidatorAPIError;
 use validator_client::{nymd::error::NymdError, ValidatorClientError};
@@ -101,6 +102,8 @@ pub enum BackendError {
     // WalletUnexpectedMultipleAccounts,
     #[error("Failed to derive address from mnemonic")]
     FailedToDeriveAddress,
+    #[error("{0}")]
+    ValueParseError(#[from] ParseIntError),
 }
 
 impl Serialize for BackendError {
diff --git a/nym-wallet/src-tauri/src/main.rs b/nym-wallet/src-tauri/src/main.rs
index 2b5a97e472..fcfcceac08 100644
--- a/nym-wallet/src-tauri/src/main.rs
+++ b/nym-wallet/src-tauri/src/main.rs
@@ -79,6 +79,7 @@ fn main() {
             utils::owns_gateway,
             utils::owns_mixnode,
             utils::get_env,
+            utils::get_old_and_incorrect_hardcoded_fee,
             validator_api::status::gateway_core_node_status,
             validator_api::status::mixnode_core_node_status,
             validator_api::status::mixnode_inclusion_probability,
diff --git a/nym-wallet/src-tauri/src/utils.rs b/nym-wallet/src-tauri/src/utils.rs
index 5204a858d4..212bc7ad6a 100644
--- a/nym-wallet/src-tauri/src/utils.rs
+++ b/nym-wallet/src-tauri/src/utils.rs
@@ -1,9 +1,12 @@
 use crate::error::BackendError;
 use crate::nymd_client;
 use crate::state::State;
+use nym_types::currency::MajorCurrencyAmount;
 use nym_wallet_types::app::AppEnv;
+use serde::{Deserialize, Serialize};
 use std::sync::Arc;
 use tokio::sync::RwLock;
+use validator_client::nymd::{tx, Coin, CosmosCoin, Gas, GasPrice};
 
 fn get_env_as_option(key: &str) -> Option<String> {
     match ::std::env::var(key) {
@@ -39,3 +42,115 @@ pub async fn owns_gateway(
         .await?
         .is_some())
 }
+
+#[derive(Debug, Copy, Clone, Ord, PartialOrd, Eq, PartialEq, Hash, Serialize, Deserialize)]
+pub enum Operation {
+    Upload,
+    Init,
+    Migrate,
+    ChangeAdmin,
+    Send,
+
+    BondMixnode,
+    BondMixnodeOnBehalf,
+    UnbondMixnode,
+    UnbondMixnodeOnBehalf,
+    UpdateMixnodeConfig,
+    DelegateToMixnode,
+    DelegateToMixnodeOnBehalf,
+    UndelegateFromMixnode,
+    UndelegateFromMixnodeOnBehalf,
+
+    BondGateway,
+    BondGatewayOnBehalf,
+    UnbondGateway,
+    UnbondGatewayOnBehalf,
+
+    UpdateContractSettings,
+
+    BeginMixnodeRewarding,
+    FinishMixnodeRewarding,
+
+    TrackUnbondGateway,
+    TrackUnbondMixnode,
+    WithdrawVestedCoins,
+    TrackUndelegation,
+    CreatePeriodicVestingAccount,
+
+    AdvanceCurrentInterval,
+    AdvanceCurrentEpoch,
+    WriteRewardedSet,
+    ClearRewardedSet,
+    UpdateMixnetAddress,
+    CheckpointMixnodes,
+    ReconcileDelegations,
+}
+
+impl Operation {
+    fn default_gas_limit(&self) -> Gas {
+        match self {
+            Operation::Upload => 3_000_000u64.into(),
+            Operation::Init => 500_000u64.into(),
+            Operation::Migrate => 200_000u64.into(),
+            Operation::ChangeAdmin => 80_000u64.into(),
+            Operation::Send => 80_000u64.into(),
+
+            Operation::BondMixnode => 175_000u64.into(),
+            Operation::BondMixnodeOnBehalf => 200_000u64.into(),
+            Operation::UnbondMixnode => 175_000u64.into(),
+            Operation::UnbondMixnodeOnBehalf => 175_000u64.into(),
+            Operation::UpdateMixnodeConfig => 175_000u64.into(),
+            Operation::DelegateToMixnode => 175_000u64.into(),
+            Operation::DelegateToMixnodeOnBehalf => 175_000u64.into(),
+            Operation::UndelegateFromMixnode => 175_000u64.into(),
+            Operation::UndelegateFromMixnodeOnBehalf => 175_000u64.into(),
+
+            Operation::BondGateway => 175_000u64.into(),
+            Operation::BondGatewayOnBehalf => 200_000u64.into(),
+            Operation::UnbondGateway => 175_000u64.into(),
+            Operation::UnbondGatewayOnBehalf => 200_000u64.into(),
+
+            Operation::UpdateContractSettings => 175_000u64.into(),
+            Operation::BeginMixnodeRewarding => 175_000u64.into(),
+            Operation::FinishMixnodeRewarding => 175_000u64.into(),
+            Operation::TrackUnbondGateway => 175_000u64.into(),
+            Operation::TrackUnbondMixnode => 175_000u64.into(),
+            Operation::WithdrawVestedCoins => 175_000u64.into(),
+            Operation::TrackUndelegation => 175_000u64.into(),
+            Operation::CreatePeriodicVestingAccount => 175_000u64.into(),
+            Operation::AdvanceCurrentInterval => 175_000u64.into(),
+            Operation::WriteRewardedSet => 175_000u64.into(),
+            Operation::ClearRewardedSet => 175_000u64.into(),
+            Operation::UpdateMixnetAddress => 80_000u64.into(),
+            Operation::CheckpointMixnodes => 175_000u64.into(),
+            Operation::ReconcileDelegations => 500_000u64.into(),
+            Operation::AdvanceCurrentEpoch => 175_000u64.into(),
+        }
+    }
+
+    fn calculate_fee(gas_price: &GasPrice, gas_limit: Gas) -> CosmosCoin {
+        gas_price * gas_limit
+    }
+
+    fn determine_custom_fee(gas_price: &GasPrice, gas_limit: Gas) -> tx::Fee {
+        let fee = Self::calculate_fee(gas_price, gas_limit);
+        tx::Fee::from_amount_and_gas(fee, gas_limit)
+    }
+
+    fn default_fee(&self, gas_price: &GasPrice) -> tx::Fee {
+        Self::determine_custom_fee(gas_price, self.default_gas_limit())
+    }
+}
+
+#[tauri::command]
+pub async fn get_old_and_incorrect_hardcoded_fee(
+    state: tauri::State<'_, Arc<RwLock<State>>>,
+    operation: Operation,
+) -> Result<MajorCurrencyAmount, BackendError> {
+    let mut approximate_fee = operation.default_fee(nymd_client!(state).gas_price());
+    // on all our chains it should only ever contain a single type of currency
+    assert_eq!(approximate_fee.amount.len(), 1);
+    let coin: Coin = approximate_fee.amount.pop().unwrap().into();
+    log::info!("hardcoded fee for {:?} is {:?}", operation, coin);
+    Ok(coin.into())
+}