Admin functions, reorganize code

tauri-wallet/src-tauri/src/coin.rs

@@ -212,7 +212,7 @@ impl From<CosmWasmCoin> for Coin {
 
 #[cfg(test)]
 mod test {
-  use crate::{Coin, Denom};
+  use crate::coin::{Coin, Denom};
   use cosmrs::Coin as CosmosCoin;
   use cosmrs::Decimal;
   use cosmrs::Denom as CosmosDenom;

tauri-wallet/src-tauri/src/main.rs

@@ -3,30 +3,30 @@
   windows_subsystem = "windows"
 )]
 
-use bip39::{Language, Mnemonic};
-use cosmwasm_std::Coin as CosmWasmCoin;
-use error::BackendError;
 use mixnet_contract::{Gateway, MixNode};
-use serde::{Deserialize, Serialize};
-use std::collections::HashMap;
-use std::convert::TryInto;
-use std::str::FromStr;
 use std::sync::Arc;
-use tendermint_rpc::endpoint::broadcast::tx_commit::Response;
 use tokio::sync::RwLock;
-use ts_rs::{export, TS};
+use ts_rs::export;
 use validator_client::nymd::fee_helpers::Operation;
-use validator_client::nymd::{AccountId, CosmosCoin, NymdClient, SigningNymdClient};
 
 mod coin;
 mod config;
 mod error;
+mod operations;
 mod state;
+mod utils;
+
+use crate::operations::account::*;
+use crate::operations::admin::*;
+use crate::operations::bond::*;
+use crate::operations::delegate::*;
+use crate::operations::send::*;
+use crate::utils::*;
 
 use crate::state::State;
 
+#[cfg(test)]
 use crate::coin::{Coin, Denom};
-use crate::config::Config;
 
 #[macro_export]
 macro_rules! format_err {
@@ -35,346 +35,6 @@ macro_rules! format_err {
   };
 }
 
-#[derive(TS, Serialize, Deserialize)]
-struct DelegationResult {
-  source_address: String,
-  target_address: String,
-  amount: Option<Coin>,
-}
-
-#[derive(TS, Serialize, Deserialize)]
-struct Balance {
-  coin: Coin,
-  printable_balance: String,
-}
-
-#[derive(Deserialize, Serialize, TS)]
-struct TauriTxResult {
-  code: u32,
-  gas_wanted: u64,
-  gas_used: u64,
-  block_height: u64,
-  details: TransactionDetails,
-}
-
-#[derive(Deserialize, Serialize, TS)]
-struct TransactionDetails {
-  from_address: String,
-  to_address: String,
-  amount: Coin,
-}
-
-impl TauriTxResult {
-  fn new(t: Response, details: TransactionDetails) -> TauriTxResult {
-    TauriTxResult {
-      code: t.check_tx.code.value(),
-      gas_wanted: t.check_tx.gas_wanted.value(),
-      gas_used: t.check_tx.gas_used.value(),
-      block_height: t.height.value(),
-      details,
-    }
-  }
-}
-
-// TODO these should be more explicit
-#[tauri::command]
-fn major_to_minor(amount: &str) -> Result<Coin, String> {
-  let coin = Coin::new(amount, &Denom::Major);
-  Ok(coin.to_minor())
-}
-
-#[tauri::command]
-fn minor_to_major(amount: &str) -> Result<Coin, String> {
-  let coin = Coin::new(amount, &Denom::Minor);
-  Ok(coin.to_major())
-}
-
-#[tauri::command]
-async fn connect_with_mnemonic(
-  mnemonic: String,
-  state: tauri::State<'_, Arc<RwLock<State>>>,
-) -> Result<HashMap<&str, String>, String> {
-  let mnemonic = match Mnemonic::from_str(&mnemonic) {
-    Ok(mnemonic) => mnemonic,
-    Err(e) => return Err(BackendError::from(e).to_string()),
-  };
-  let client;
-  {
-    let r_state = state.read().await;
-    client = _connect_with_mnemonic(mnemonic, &r_state.config());
-  }
-
-  let mut ret = HashMap::new();
-  ret.insert(
-    "contract_address",
-    match client.contract_address() {
-      Ok(address) => address.to_string(),
-      Err(e) => format_err!(e),
-    },
-  );
-  ret.insert("client_address", client.address().to_string());
-  ret.insert(
-    "denom",
-    match client.denom() {
-      Ok(denom) => denom.to_string(),
-      Err(e) => format_err!(e),
-    },
-  );
-  let mut w_state = state.write().await;
-  w_state.set_client(client);
-
-  Ok(ret)
-}
-
-#[tauri::command]
-async fn get_balance(state: tauri::State<'_, Arc<RwLock<State>>>) -> Result<Balance, String> {
-  let r_state = state.read().await;
-  let client = r_state.client()?;
-  match client.get_balance(client.address()).await {
-    Ok(Some(coin)) => {
-      let coin = Coin::new(
-        &coin.amount.to_string(),
-        &Denom::from_str(&coin.denom.to_string())?,
-      );
-      Ok(Balance {
-        coin: coin.clone(),
-        printable_balance: coin.to_major().to_string(),
-      })
-    }
-    Ok(None) => Err(format!(
-      "No balance available for address {}",
-      client.address()
-    )),
-    Err(e) => Err(BackendError::from(e).to_string()),
-  }
-}
-
-#[tauri::command]
-async fn owns_mixnode(state: tauri::State<'_, Arc<RwLock<State>>>) -> Result<bool, String> {
-  let r_state = state.read().await;
-  let client = r_state.client()?;
-  match client.owns_mixnode(client.address()).await {
-    Ok(o) => Ok(o),
-    Err(e) => Err(format_err!(e)),
-  }
-}
-
-#[tauri::command]
-async fn owns_gateway(state: tauri::State<'_, Arc<RwLock<State>>>) -> Result<bool, String> {
-  let r_state = state.read().await;
-  let client = r_state.client()?;
-  match client.owns_gateway(client.address()).await {
-    Ok(o) => Ok(o),
-    Err(e) => Err(format_err!(e)),
-  }
-}
-
-#[tauri::command]
-async fn unbond_mixnode(state: tauri::State<'_, Arc<RwLock<State>>>) -> Result<(), String> {
-  let r_state = state.read().await;
-  let client = r_state.client()?;
-  match client.unbond_mixnode().await {
-    Ok(_result) => Ok(()),
-    Err(e) => Err(format_err!(e)),
-  }
-}
-
-#[tauri::command]
-async fn bond_mixnode(
-  mixnode: MixNode,
-  bond: Coin,
-  state: tauri::State<'_, Arc<RwLock<State>>>,
-) -> Result<(), String> {
-  let r_state = state.read().await;
-  let bond: CosmWasmCoin = match bond.try_into() {
-    Ok(b) => b,
-    Err(e) => return Err(format_err!(e)),
-  };
-  let client = r_state.client()?;
-  match client.bond_mixnode(mixnode, bond).await {
-    Ok(_result) => Ok(()),
-    Err(e) => Err(format_err!(e)),
-  }
-}
-
-#[tauri::command]
-async fn delegate_to_mixnode(
-  identity: &str,
-  amount: Coin,
-  state: tauri::State<'_, Arc<RwLock<State>>>,
-) -> Result<DelegationResult, String> {
-  let r_state = state.read().await;
-  let bond: CosmWasmCoin = match amount.try_into() {
-    Ok(b) => b,
-    Err(e) => return Err(format_err!(e)),
-  };
-  let client = r_state.client()?;
-  match client.delegate_to_mixnode(identity, &bond).await {
-    Ok(_result) => Ok(DelegationResult {
-      source_address: client.address().to_string(),
-      target_address: identity.to_string(),
-      amount: Some(bond.into()),
-    }),
-    Err(e) => Err(format_err!(e)),
-  }
-}
-
-#[tauri::command]
-async fn undelegate_from_mixnode(
-  identity: &str,
-  state: tauri::State<'_, Arc<RwLock<State>>>,
-) -> Result<DelegationResult, String> {
-  let r_state = state.read().await;
-  let client = r_state.client()?;
-  match client.remove_mixnode_delegation(identity).await {
-    Ok(_result) => Ok(DelegationResult {
-      source_address: client.address().to_string(),
-      target_address: identity.to_string(),
-      amount: None,
-    }),
-    Err(e) => Err(format_err!(e)),
-  }
-}
-
-#[tauri::command]
-async fn delegate_to_gateway(
-  identity: &str,
-  amount: Coin,
-  state: tauri::State<'_, Arc<RwLock<State>>>,
-) -> Result<DelegationResult, String> {
-  let r_state = state.read().await;
-  let bond: CosmWasmCoin = match amount.try_into() {
-    Ok(b) => b,
-    Err(e) => return Err(format_err!(e)),
-  };
-  let client = r_state.client()?;
-  match client.delegate_to_gateway(identity, &bond).await {
-    Ok(_result) => Ok(DelegationResult {
-      source_address: client.address().to_string(),
-      target_address: identity.to_string(),
-      amount: Some(bond.into()),
-    }),
-    Err(e) => Err(format_err!(e)),
-  }
-}
-
-#[tauri::command]
-async fn undelegate_from_gateway(
-  identity: &str,
-  state: tauri::State<'_, Arc<RwLock<State>>>,
-) -> Result<DelegationResult, String> {
-  let r_state = state.read().await;
-  let client = r_state.client()?;
-  match client.remove_gateway_delegation(identity).await {
-    Ok(_result) => Ok(DelegationResult {
-      source_address: client.address().to_string(),
-      target_address: identity.to_string(),
-      amount: None,
-    }),
-    Err(e) => Err(format_err!(e)),
-  }
-}
-
-#[tauri::command]
-async fn bond_gateway(
-  gateway: Gateway,
-  bond: Coin,
-  state: tauri::State<'_, Arc<RwLock<State>>>,
-) -> Result<(), String> {
-  let r_state = state.read().await;
-  let bond: CosmWasmCoin = match bond.try_into() {
-    Ok(b) => b,
-    Err(e) => return Err(format_err!(e)),
-  };
-  let client = r_state.client()?;
-  match client.bond_gateway(gateway, bond).await {
-    Ok(_result) => Ok(()),
-    Err(e) => Err(format_err!(e)),
-  }
-}
-
-#[tauri::command]
-async fn unbond_gateway(state: tauri::State<'_, Arc<RwLock<State>>>) -> Result<(), String> {
-  let r_state = state.read().await;
-  let client = r_state.client()?;
-  match client.unbond_gateway().await {
-    Ok(_result) => Ok(()),
-    Err(e) => Err(format_err!(e)),
-  }
-}
-
-#[tauri::command]
-async fn send(
-  address: &str,
-  amount: Coin,
-  memo: String,
-  state: tauri::State<'_, Arc<RwLock<State>>>,
-) -> Result<TauriTxResult, String> {
-  let address = match AccountId::from_str(address) {
-    Ok(addy) => addy,
-    Err(e) => return Err(format_err!(e)),
-  };
-  let cosmos_amount: CosmosCoin = match amount.clone().try_into() {
-    Ok(b) => b,
-    Err(e) => return Err(format_err!(e)),
-  };
-  let r_state = state.read().await;
-  let client = r_state.client()?;
-  match client.send(&address, vec![cosmos_amount], memo).await {
-    Ok(result) => Ok(TauriTxResult::new(
-      result,
-      TransactionDetails {
-        from_address: client.address().to_string(),
-        to_address: address.to_string(),
-        amount,
-      },
-    )),
-    Err(e) => Err(format_err!(e)),
-  }
-}
-
-#[tauri::command]
-async fn get_fee(
-  operation: Operation,
-  state: tauri::State<'_, Arc<RwLock<State>>>,
-) -> Result<Coin, String> {
-  let r_state = state.read().await;
-  let client = r_state.client()?;
-  let fee = client.get_fee(operation);
-  let mut coin = Coin::new("0", &Denom::Major);
-  for f in fee.amount {
-    coin = coin + f.into();
-  }
-
-  Ok(coin)
-}
-
-#[tauri::command]
-async fn create_new_account(
-  state: tauri::State<'_, Arc<RwLock<State>>>,
-) -> Result<HashMap<&str, String>, String> {
-  let mnemonic = random_mnemonic();
-  let mut client = connect_with_mnemonic(mnemonic.to_string(), state).await?;
-  client.insert("mnemonic", mnemonic.to_string());
-  Ok(client)
-}
-
-fn random_mnemonic() -> Mnemonic {
-  let mut rng = rand::thread_rng();
-  Mnemonic::generate_in_with(&mut rng, Language::English, 24).unwrap()
-}
-
-fn _connect_with_mnemonic(mnemonic: Mnemonic, config: &Config) -> NymdClient<SigningNymdClient> {
-  match NymdClient::connect_with_mnemonic(
-    config.get_nymd_validator_url().unwrap(),
-    Some(AccountId::from_str(&config.get_mixnet_contract_address()).unwrap()),
-    mnemonic,
-  ) {
-    Ok(client) => client,
-    Err(e) => panic!("{}", e),
-  }
-}
-
 fn main() {
   tauri::Builder::default()
     .manage(Arc::new(RwLock::new(State::default())))
@@ -395,7 +55,9 @@ fn main() {
       undelegate_from_gateway,
       send,
       create_new_account,
-      get_fee
+      get_fee,
+      get_state_params,
+      update_state_params
     ])
     .run(tauri::generate_context!())
     .expect("error while running tauri application");
@@ -410,5 +72,7 @@ export! {
   TransactionDetails => "../src/types/rust/transactiondetails.ts",
   Operation => "../src/types/rust/operation.ts",
   Denom => "../src/types/rust/denom.ts",
-  DelegationResult => "../src/types/rust/delegationresult.ts"
+  DelegationResult => "../src/types/rust/delegationresult.ts",
+  Account => "../src/types/rust/account.ts",
+  TauriStateParams => "../src/types/rust/stateparams.ts"
 }

tauri-wallet/src-tauri/src/nymd_client.rs

@@ -1,80 +0,0 @@
-// Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
-// SPDX-License-Identifier: Apache-2.0
-
-use crate::config::Config;
-use config::defaults::DEFAULT_VALIDATOR_API_PORT;
-use mixnet_contract::{GatewayBond, MixNodeBond};
-use std::sync::Arc;
-use tokio::sync::RwLock;
-use validator_client::nymd::{CosmWasmClient, QueryNymdClient, SigningNymdClient, NymdClient};
-use validator_client::ValidatorClientError;
-
-#[derive(Clone)]
-pub(crate) struct Client<C>(Arc<RwLock<validator_client::Client<C>>>);
-
-impl Client<QueryNymdClient> {
-  pub(crate) fn new_query(config: &Config) -> Self {
-    // the api address is irrelevant here as **WE ARE THE API**
-    let api_url = format!("http://localhost:{}", DEFAULT_VALIDATOR_API_PORT)
-      .parse()
-      .unwrap();
-    let nymd_url = config.get_nymd_validator_url();
-
-    let mixnet_contract = config
-      .get_mixnet_contract_address()
-      .parse()
-      .expect("the mixnet contract address is invalid!");
-
-    let client_config = validator_client::Config::new(nymd_url, api_url, Some(mixnet_contract));
-    let inner =
-      validator_client::Client::new_query(client_config).expect("Failed to connect to nymd!");
-
-    Client(Arc::new(RwLock::new(inner)))
-  }
-}
-
-impl Client<SigningNymdClient> {
-  pub(crate) fn new_signing(config: &Config) -> Self {
-    // the api address is irrelevant here as **WE ARE THE API**
-    let api_url = format!("http://localhost:{}", DEFAULT_VALIDATOR_API_PORT)
-      .parse()
-      .unwrap();
-    let nymd_url = config.get_nymd_validator_url();
-
-    let mixnet_contract = config
-      .get_mixnet_contract_address()
-      .parse()
-      .expect("the mixnet contract address is invalid!");
-    let mnemonic = config
-      .get_mnemonic()
-      .parse()
-      .expect("the mnemonic is invalid!");
-
-    let client_config = validator_client::Config::new(nymd_url, api_url, Some(mixnet_contract));
-    let inner = validator_client::Client::new_signing(client_config, mnemonic)
-      .expect("Failed to connect to nymd!");
-
-    Client(Arc::new(RwLock::new(inner)))
-  }
-}
-
-impl<C> Client<C> {
-  pub(crate) async fn get_mixnodes(&self) -> Result<Vec<MixNodeBond>, ValidatorClientError>
-  where
-    C: CosmWasmClient + Sync,
-  {
-    self.0.read().await.get_all_nymd_mixnodes().await
-  }
-
-  pub(crate) async fn get_gateways(&self) -> Result<Vec<GatewayBond>, ValidatorClientError>
-  where
-    C: CosmWasmClient + Sync,
-  {
-    self.0.read().await.get_all_nymd_gateways().await
-  }
-
-  #[allow(dead_code)]
-  pub(crate) async fn some_rewarding_stuff_here(&self) {
-    todo!()
-  }
-}

tauri-wallet/src-tauri/src/operations/account.rs

@@ -0,0 +1,113 @@
+use crate::coin::{Coin, Denom};
+use crate::config::Config;
+use crate::error::BackendError;
+use crate::format_err;
+use crate::state::State;
+use bip39::{Language, Mnemonic};
+use serde::{Deserialize, Serialize};
+use std::str::FromStr;
+use std::sync::Arc;
+use tokio::sync::RwLock;
+use ts_rs::TS;
+use validator_client::nymd::{AccountId, NymdClient, SigningNymdClient};
+
+#[derive(TS, Serialize, Deserialize)]
+pub struct Account {
+  contract_address: String,
+  client_address: String,
+  denom: Denom,
+  mnemonmic: Option<String>,
+}
+
+#[derive(TS, Serialize, Deserialize)]
+pub struct Balance {
+  coin: Coin,
+  printable_balance: String,
+}
+
+#[tauri::command]
+pub async fn connect_with_mnemonic(
+  mnemonic: String,
+  state: tauri::State<'_, Arc<RwLock<State>>>,
+) -> Result<Account, String> {
+  let mnemonic = match Mnemonic::from_str(&mnemonic) {
+    Ok(mnemonic) => mnemonic,
+    Err(e) => return Err(BackendError::from(e).to_string()),
+  };
+  let client;
+  {
+    let r_state = state.read().await;
+    client = _connect_with_mnemonic(mnemonic, &r_state.config());
+  }
+
+  let contract_address = match client.contract_address() {
+    Ok(address) => address.to_string(),
+    Err(e) => return Err(format_err!(e)),
+  };
+  let client_address = client.address().to_string();
+  let denom = match client.denom() {
+    Ok(denom) => denom,
+    Err(e) => return Err(format_err!(e)),
+  };
+
+  let account = Account {
+    contract_address,
+    client_address,
+    denom: Denom::from_str(&denom.to_string())?,
+    mnemonmic: None,
+  };
+
+  let mut w_state = state.write().await;
+  w_state.set_client(client);
+
+  Ok(account)
+}
+
+#[tauri::command]
+pub async fn get_balance(state: tauri::State<'_, Arc<RwLock<State>>>) -> Result<Balance, String> {
+  let r_state = state.read().await;
+  let client = r_state.client()?;
+  match client.get_balance(client.address()).await {
+    Ok(Some(coin)) => {
+      let coin = Coin::new(
+        &coin.amount.to_string(),
+        &Denom::from_str(&coin.denom.to_string())?,
+      );
+      Ok(Balance {
+        coin: coin.clone(),
+        printable_balance: coin.to_major().to_string(),
+      })
+    }
+    Ok(None) => Err(format!(
+      "No balance available for address {}",
+      client.address()
+    )),
+    Err(e) => Err(BackendError::from(e).to_string()),
+  }
+}
+
+#[tauri::command]
+pub async fn create_new_account(
+  state: tauri::State<'_, Arc<RwLock<State>>>,
+) -> Result<Account, String> {
+  let mnemonic = random_mnemonic();
+  let mut client = connect_with_mnemonic(mnemonic.to_string(), state).await?;
+  client.mnemonmic = Some(mnemonic.to_string());
+  Ok(client)
+}
+
+fn random_mnemonic() -> Mnemonic {
+  let mut rng = rand::thread_rng();
+  Mnemonic::generate_in_with(&mut rng, Language::English, 24).unwrap()
+}
+
+fn _connect_with_mnemonic(mnemonic: Mnemonic, config: &Config) -> NymdClient<SigningNymdClient> {
+  match NymdClient::connect_with_mnemonic(
+    config.get_nymd_validator_url().unwrap(),
+    Some(AccountId::from_str(&config.get_mixnet_contract_address()).unwrap()),
+    mnemonic,
+  ) {
+    Ok(client) => client,
+    Err(e) => panic!("{}", e),
+  }
+}

tauri-wallet/src-tauri/src/operations/admin.rs

@@ -0,0 +1,84 @@
+use crate::format_err;
+use crate::state::State;
+use cosmwasm_std::Decimal;
+use cosmwasm_std::Uint128;
+use mixnet_contract::StateParams;
+use serde::{Deserialize, Serialize};
+use std::convert::{TryFrom, TryInto};
+use std::str::FromStr;
+use std::sync::Arc;
+use tokio::sync::RwLock;
+use ts_rs::TS;
+
+#[derive(Serialize, Deserialize, TS)]
+pub struct TauriStateParams {
+  epoch_length: u32,
+  minimum_mixnode_bond: String,
+  minimum_gateway_bond: String,
+  mixnode_bond_reward_rate: String,
+  gateway_bond_reward_rate: String,
+  mixnode_delegation_reward_rate: String,
+  gateway_delegation_reward_rate: String,
+  mixnode_active_set_size: u32,
+}
+
+impl From<StateParams> for TauriStateParams {
+  fn from(p: StateParams) -> TauriStateParams {
+    TauriStateParams {
+      epoch_length: p.epoch_length,
+      minimum_mixnode_bond: p.minimum_mixnode_bond.to_string(),
+      minimum_gateway_bond: p.minimum_gateway_bond.to_string(),
+      mixnode_bond_reward_rate: p.mixnode_bond_reward_rate.to_string(),
+      gateway_bond_reward_rate: p.gateway_bond_reward_rate.to_string(),
+      mixnode_delegation_reward_rate: p.mixnode_delegation_reward_rate.to_string(),
+      gateway_delegation_reward_rate: p.gateway_delegation_reward_rate.to_string(),
+      mixnode_active_set_size: p.mixnode_active_set_size,
+    }
+  }
+}
+
+impl TryFrom<TauriStateParams> for StateParams {
+  type Error = Box<dyn std::error::Error>;
+
+  fn try_from(p: TauriStateParams) -> Result<StateParams, Self::Error> {
+    Ok(StateParams {
+      epoch_length: p.epoch_length,
+      minimum_mixnode_bond: Uint128::try_from(p.minimum_mixnode_bond.as_str())?,
+      minimum_gateway_bond: Uint128::try_from(p.minimum_gateway_bond.as_str())?,
+      mixnode_bond_reward_rate: Decimal::from_str(p.mixnode_bond_reward_rate.as_str())?,
+      gateway_bond_reward_rate: Decimal::from_str(p.gateway_bond_reward_rate.as_str())?,
+      mixnode_delegation_reward_rate: Decimal::from_str(p.mixnode_delegation_reward_rate.as_str())?,
+      gateway_delegation_reward_rate: Decimal::from_str(p.gateway_delegation_reward_rate.as_str())?,
+      mixnode_active_set_size: p.mixnode_active_set_size,
+    })
+  }
+}
+
+#[tauri::command]
+pub async fn get_state_params(
+  state: tauri::State<'_, Arc<RwLock<State>>>,
+) -> Result<TauriStateParams, String> {
+  let r_state = state.read().await;
+  let client = r_state.client()?;
+  match client.get_state_params().await {
+    Ok(params) => Ok(params.into()),
+    Err(e) => Err(format_err!(e)),
+  }
+}
+
+#[tauri::command]
+pub async fn update_state_params(
+  params: TauriStateParams,
+  state: tauri::State<'_, Arc<RwLock<State>>>,
+) -> Result<TauriStateParams, String> {
+  let r_state = state.read().await;
+  let client = r_state.client()?;
+  let state_params: StateParams = match params.try_into() {
+    Ok(state_params) => state_params,
+    Err(e) => return Err(format_err!(e)),
+  };
+  match client.update_state_params(state_params.clone()).await {
+    Ok(_) => Ok(state_params.into()),
+    Err(e) => Err(format_err!(e)),
+  }
+}

tauri-wallet/src-tauri/src/operations/bond.rs

@@ -0,0 +1,64 @@
+use crate::coin::Coin;
+use crate::format_err;
+use crate::state::State;
+use crate::{Gateway, MixNode};
+use cosmwasm_std::Coin as CosmWasmCoin;
+use std::convert::TryInto;
+use std::sync::Arc;
+use tokio::sync::RwLock;
+
+#[tauri::command]
+pub async fn bond_gateway(
+  gateway: Gateway,
+  bond: Coin,
+  state: tauri::State<'_, Arc<RwLock<State>>>,
+) -> Result<(), String> {
+  let r_state = state.read().await;
+  let bond: CosmWasmCoin = match bond.try_into() {
+    Ok(b) => b,
+    Err(e) => return Err(format_err!(e)),
+  };
+  let client = r_state.client()?;
+  match client.bond_gateway(gateway, bond).await {
+    Ok(_result) => Ok(()),
+    Err(e) => Err(format_err!(e)),
+  }
+}
+
+#[tauri::command]
+pub async fn unbond_gateway(state: tauri::State<'_, Arc<RwLock<State>>>) -> Result<(), String> {
+  let r_state = state.read().await;
+  let client = r_state.client()?;
+  match client.unbond_gateway().await {
+    Ok(_result) => Ok(()),
+    Err(e) => Err(format_err!(e)),
+  }
+}
+
+#[tauri::command]
+pub async fn unbond_mixnode(state: tauri::State<'_, Arc<RwLock<State>>>) -> Result<(), String> {
+  let r_state = state.read().await;
+  let client = r_state.client()?;
+  match client.unbond_mixnode().await {
+    Ok(_result) => Ok(()),
+    Err(e) => Err(format_err!(e)),
+  }
+}
+
+#[tauri::command]
+pub async fn bond_mixnode(
+  mixnode: MixNode,
+  bond: Coin,
+  state: tauri::State<'_, Arc<RwLock<State>>>,
+) -> Result<(), String> {
+  let r_state = state.read().await;
+  let bond: CosmWasmCoin = match bond.try_into() {
+    Ok(b) => b,
+    Err(e) => return Err(format_err!(e)),
+  };
+  let client = r_state.client()?;
+  match client.bond_mixnode(mixnode, bond).await {
+    Ok(_result) => Ok(()),
+    Err(e) => Err(format_err!(e)),
+  }
+}

tauri-wallet/src-tauri/src/operations/delegate.rs

@@ -0,0 +1,94 @@
+use crate::coin::Coin;
+use crate::format_err;
+use crate::state::State;
+use cosmwasm_std::Coin as CosmWasmCoin;
+use serde::{Deserialize, Serialize};
+use std::convert::TryInto;
+use std::sync::Arc;
+use tokio::sync::RwLock;
+use ts_rs::TS;
+
+#[derive(TS, Serialize, Deserialize)]
+pub struct DelegationResult {
+  source_address: String,
+  target_address: String,
+  amount: Option<Coin>,
+}
+
+#[tauri::command]
+pub async fn delegate_to_mixnode(
+  identity: &str,
+  amount: Coin,
+  state: tauri::State<'_, Arc<RwLock<State>>>,
+) -> Result<DelegationResult, String> {
+  let r_state = state.read().await;
+  let bond: CosmWasmCoin = match amount.try_into() {
+    Ok(b) => b,
+    Err(e) => return Err(format_err!(e)),
+  };
+  let client = r_state.client()?;
+  match client.delegate_to_mixnode(identity, &bond).await {
+    Ok(_result) => Ok(DelegationResult {
+      source_address: client.address().to_string(),
+      target_address: identity.to_string(),
+      amount: Some(bond.into()),
+    }),
+    Err(e) => Err(format_err!(e)),
+  }
+}
+
+#[tauri::command]
+pub async fn undelegate_from_mixnode(
+  identity: &str,
+  state: tauri::State<'_, Arc<RwLock<State>>>,
+) -> Result<DelegationResult, String> {
+  let r_state = state.read().await;
+  let client = r_state.client()?;
+  match client.remove_mixnode_delegation(identity).await {
+    Ok(_result) => Ok(DelegationResult {
+      source_address: client.address().to_string(),
+      target_address: identity.to_string(),
+      amount: None,
+    }),
+    Err(e) => Err(format_err!(e)),
+  }
+}
+
+#[tauri::command]
+pub async fn delegate_to_gateway(
+  identity: &str,
+  amount: Coin,
+  state: tauri::State<'_, Arc<RwLock<State>>>,
+) -> Result<DelegationResult, String> {
+  let r_state = state.read().await;
+  let bond: CosmWasmCoin = match amount.try_into() {
+    Ok(b) => b,
+    Err(e) => return Err(format_err!(e)),
+  };
+  let client = r_state.client()?;
+  match client.delegate_to_gateway(identity, &bond).await {
+    Ok(_result) => Ok(DelegationResult {
+      source_address: client.address().to_string(),
+      target_address: identity.to_string(),
+      amount: Some(bond.into()),
+    }),
+    Err(e) => Err(format_err!(e)),
+  }
+}
+
+#[tauri::command]
+pub async fn undelegate_from_gateway(
+  identity: &str,
+  state: tauri::State<'_, Arc<RwLock<State>>>,
+) -> Result<DelegationResult, String> {
+  let r_state = state.read().await;
+  let client = r_state.client()?;
+  match client.remove_gateway_delegation(identity).await {
+    Ok(_result) => Ok(DelegationResult {
+      source_address: client.address().to_string(),
+      target_address: identity.to_string(),
+      amount: None,
+    }),
+    Err(e) => Err(format_err!(e)),
+  }
+}

tauri-wallet/src-tauri/src/operations/mod.rs

@@ -0,0 +1,5 @@
+pub mod account;
+pub mod admin;
+pub mod bond;
+pub mod delegate;
+pub mod send;

tauri-wallet/src-tauri/src/operations/send.rs

@@ -0,0 +1,69 @@
+use crate::coin::Coin;
+use crate::format_err;
+use crate::state::State;
+use serde::{Deserialize, Serialize};
+use std::convert::TryInto;
+use std::str::FromStr;
+use std::sync::Arc;
+use tendermint_rpc::endpoint::broadcast::tx_commit::Response;
+use tokio::sync::RwLock;
+use ts_rs::TS;
+use validator_client::nymd::{AccountId, CosmosCoin};
+
+#[derive(Deserialize, Serialize, TS)]
+pub struct TauriTxResult {
+  code: u32,
+  gas_wanted: u64,
+  gas_used: u64,
+  block_height: u64,
+  details: TransactionDetails,
+}
+
+#[derive(Deserialize, Serialize, TS)]
+pub struct TransactionDetails {
+  from_address: String,
+  to_address: String,
+  amount: Coin,
+}
+
+impl TauriTxResult {
+  fn new(t: Response, details: TransactionDetails) -> TauriTxResult {
+    TauriTxResult {
+      code: t.check_tx.code.value(),
+      gas_wanted: t.check_tx.gas_wanted.value(),
+      gas_used: t.check_tx.gas_used.value(),
+      block_height: t.height.value(),
+      details,
+    }
+  }
+}
+
+#[tauri::command]
+pub async fn send(
+  address: &str,
+  amount: Coin,
+  memo: String,
+  state: tauri::State<'_, Arc<RwLock<State>>>,
+) -> Result<TauriTxResult, String> {
+  let address = match AccountId::from_str(address) {
+    Ok(addy) => addy,
+    Err(e) => return Err(format_err!(e)),
+  };
+  let cosmos_amount: CosmosCoin = match amount.clone().try_into() {
+    Ok(b) => b,
+    Err(e) => return Err(format_err!(e)),
+  };
+  let r_state = state.read().await;
+  let client = r_state.client()?;
+  match client.send(&address, vec![cosmos_amount], memo).await {
+    Ok(result) => Ok(TauriTxResult::new(
+      result,
+      TransactionDetails {
+        from_address: client.address().to_string(),
+        to_address: address.to_string(),
+        amount,
+      },
+    )),
+    Err(e) => Err(format_err!(e)),
+  }
+}

tauri-wallet/src-tauri/src/utils.rs

@@ -0,0 +1,54 @@
+use crate::coin::{Coin, Denom};
+use crate::format_err;
+use crate::state::State;
+use crate::Operation;
+use std::sync::Arc;
+use tokio::sync::RwLock;
+
+#[tauri::command]
+pub fn major_to_minor(amount: &str) -> Result<Coin, String> {
+  let coin = Coin::new(amount, &Denom::Major);
+  Ok(coin.to_minor())
+}
+
+#[tauri::command]
+pub fn minor_to_major(amount: &str) -> Result<Coin, String> {
+  let coin = Coin::new(amount, &Denom::Minor);
+  Ok(coin.to_major())
+}
+
+#[tauri::command]
+pub async fn owns_mixnode(state: tauri::State<'_, Arc<RwLock<State>>>) -> Result<bool, String> {
+  let r_state = state.read().await;
+  let client = r_state.client()?;
+  match client.owns_mixnode(client.address()).await {
+    Ok(o) => Ok(o),
+    Err(e) => Err(format_err!(e)),
+  }
+}
+
+#[tauri::command]
+pub async fn owns_gateway(state: tauri::State<'_, Arc<RwLock<State>>>) -> Result<bool, String> {
+  let r_state = state.read().await;
+  let client = r_state.client()?;
+  match client.owns_gateway(client.address()).await {
+    Ok(o) => Ok(o),
+    Err(e) => Err(format_err!(e)),
+  }
+}
+
+#[tauri::command]
+pub async fn get_fee(
+  operation: Operation,
+  state: tauri::State<'_, Arc<RwLock<State>>>,
+) -> Result<Coin, String> {
+  let r_state = state.read().await;
+  let client = r_state.client()?;
+  let fee = client.get_fee(operation);
+  let mut coin = Coin::new("0", &Denom::Major);
+  for f in fee.amount {
+    coin = coin + f.into();
+  }
+
+  Ok(coin)
+}

tauri-wallet/src/types/rust/account.ts

@@ -0,0 +1,8 @@
+import { Denom } from "./denom";
+
+export interface Account {
+  contract_address: string;
+  client_address: string;
+  denom: Denom;
+  mnemonmic: string | null;
+}

tauri-wallet/src/types/rust/stateparams.ts

@@ -0,0 +1,10 @@
+export interface TauriStateParams {
+  epoch_length: number;
+  minimum_mixnode_bond: string;
+  minimum_gateway_bond: string;
+  mixnode_bond_reward_rate: string;
+  gateway_bond_reward_rate: string;
+  mixnode_delegation_reward_rate: string;
+  gateway_delegation_reward_rate: string;
+  mixnode_active_set_size: number;
+}