diff --git a/Cargo.lock b/Cargo.lock
index b0aa133..6a5e73b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -257,7 +257,7 @@ dependencies = [
 [[package]]
 name = "aurora-engine-modexp"
 version = "1.0.0"
-source = "git+https://github.com/aurora-is-near/aurora-engine.git?tag=3.3.0#1aad2a057ab3bb5cb10ffac3a9ffa09ee64bfba3"
+source = "git+https://github.com/aurora-is-near/aurora-engine.git?tag=3.3.1#99634869db649e865a67d588024700fe0dcc80b0"
 dependencies = [
  "hex",
  "num",
@@ -266,7 +266,7 @@ dependencies = [
 [[package]]
 name = "aurora-engine-precompiles"
 version = "1.0.0"
-source = "git+https://github.com/aurora-is-near/aurora-engine.git?tag=3.3.0#1aad2a057ab3bb5cb10ffac3a9ffa09ee64bfba3"
+source = "git+https://github.com/aurora-is-near/aurora-engine.git?tag=3.3.1#99634869db649e865a67d588024700fe0dcc80b0"
 dependencies = [
  "aurora-engine-modexp",
  "aurora-engine-sdk",
@@ -285,7 +285,7 @@ dependencies = [
 [[package]]
 name = "aurora-engine-sdk"
 version = "1.0.0"
-source = "git+https://github.com/aurora-is-near/aurora-engine.git?tag=3.3.0#1aad2a057ab3bb5cb10ffac3a9ffa09ee64bfba3"
+source = "git+https://github.com/aurora-is-near/aurora-engine.git?tag=3.3.1#99634869db649e865a67d588024700fe0dcc80b0"
 dependencies = [
  "aurora-engine-types",
  "base64 0.21.5",
@@ -296,7 +296,7 @@ dependencies = [
 [[package]]
 name = "aurora-engine-transactions"
 version = "1.0.0"
-source = "git+https://github.com/aurora-is-near/aurora-engine.git?tag=3.3.0#1aad2a057ab3bb5cb10ffac3a9ffa09ee64bfba3"
+source = "git+https://github.com/aurora-is-near/aurora-engine.git?tag=3.3.1#99634869db649e865a67d588024700fe0dcc80b0"
 dependencies = [
  "aurora-engine-precompiles",
  "aurora-engine-sdk",
@@ -308,7 +308,7 @@ dependencies = [
 [[package]]
 name = "aurora-engine-types"
 version = "1.0.0"
-source = "git+https://github.com/aurora-is-near/aurora-engine.git?tag=3.3.0#1aad2a057ab3bb5cb10ffac3a9ffa09ee64bfba3"
+source = "git+https://github.com/aurora-is-near/aurora-engine.git?tag=3.3.1#99634869db649e865a67d588024700fe0dcc80b0"
 dependencies = [
  "base64 0.21.5",
  "borsh 0.10.3",
diff --git a/Cargo.toml b/Cargo.toml
index 351585a..1136d31 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,10 +19,10 @@ simple = []
 advanced = []
 
 [dependencies]
-aurora-engine-precompiles = { git = "https://github.com/aurora-is-near/aurora-engine.git", tag = "3.3.0", features = ["std"] }
-aurora-engine-sdk = { git = "https://github.com/aurora-is-near/aurora-engine.git", tag = "3.3.0", features = ["std"] }
-aurora-engine-transactions = { git = "https://github.com/aurora-is-near/aurora-engine.git", tag = "3.3.0", features = ["std"] }
-aurora-engine-types = { git = "https://github.com/aurora-is-near/aurora-engine.git", tag = "3.3.0", features = ["std", "impl-serde"] }
+aurora-engine-precompiles = { git = "https://github.com/aurora-is-near/aurora-engine.git", tag = "3.3.1", features = ["std"] }
+aurora-engine-sdk = { git = "https://github.com/aurora-is-near/aurora-engine.git", tag = "3.3.1", features = ["std"] }
+aurora-engine-transactions = { git = "https://github.com/aurora-is-near/aurora-engine.git", tag = "3.3.1", features = ["std"] }
+aurora-engine-types = { git = "https://github.com/aurora-is-near/aurora-engine.git", tag = "3.3.1", features = ["std", "impl-serde"] }
 
 anyhow = "1"
 bs58 = "0.5"
diff --git a/README.md b/README.md
index f526dc3..b6e92e7 100644
--- a/README.md
+++ b/README.md
@@ -284,7 +284,15 @@ Example JSON batch file (`batch_list.json`):
 - [`aurora-cli add-entry-to-whitelist`](#aurora-cli-add-entry-to-whitelist)
 - [`aurora-cli add-entry-to-whitelist-batch`](#aurora-cli-add-entry-to-whitelist-batch)
 - [`aurora-cli remove-entry-from-whitelist`](#aurora-cli-remove-entry-from-whitelist)
-  
+- [`aurora-cli set-key-manager`](#aurora-cli-set-key-manager)  
+- [`aurora-cli add-relayer-key`](#aurora-cli-add-relayer-key)
+- [`aurora-cli remove-relayer-key`](#aurora-cli-remove-relayer-key)       
+- [`aurora-cli get-upgrade-delay-blocks`](#aurora-cli-get-upgrade-delay-blocks) 
+- [`aurora-cli set-upgrade-delay-blocks`](#aurora-cli-set-upgrade-delay-blocks) 
+- [`aurora-cli get-erc20-from-nep141`](#aurora-cli-get-erc20-from-nep141)    
+- [`aurora-cli get-nep141-from-erc20`](#aurora-cli-get-nep141-from-erc20)    
+- [`aurora-cli get-erc20-metadata`](#aurora-cli-get-erc20-metadata)
+- [`aurora-cli set-erc20-metadata`](#aurora-cli-set-erc20-metadata)       
 
 ### `aurora-cli help`
 
@@ -331,6 +339,15 @@ Commands:
   add-entry-to-whitelist        Add entry into the whitelist
   add-entry-to-whitelist-batch  Add entries into the whitelist
   remove-entry-from-whitelist   Remove the entry from the whitelist
+  set-key-manager               Set relayer key manager
+  add-relayer-key               Add relayer public key
+  remove-relayer-key            Remove relayer public key
+  get-upgrade-delay-blocks      Get delay for upgrade in blocks
+  set-upgrade-delay-blocks      Set delay for upgrade in blocks
+  get-erc20-from-nep141         Get ERC-20 from NEP-141
+  get-nep141-from-erc20         Get NEP-141 from ERC-20
+  get-erc20-metadata            Get ERC-20 metadata
+  set-erc20-metadata            Set ERC-20 metadata
   help                          Print this message or the help of the given subcommand(s)
 
 Options:
@@ -849,3 +866,134 @@ Options:
   -h, --help           Print help
 ```
 
+### `aurora-cli set-key-manager`
+
+```console
+$ aurora-cli help set-key-manager
+Set relayer key manager
+
+Usage: aurora-cli set-key-manager [ACCOUNT_ID]
+
+Arguments:
+  [ACCOUNT_ID] AccountId of the key manager
+
+Options:
+  -h, --help  Print help
+```
+
+### `aurora-cli add-relayer-key`
+
+```console
+$ aurora-cli help add-relayer-key
+Add relayer public key
+
+Usage: aurora-cli add-relayer-key --public-key <PUBLIC_KEY> --allowance <ALLOWANCE>
+
+Options:
+      --public-key <PUBLIC_KEY>  Public key
+      --allowance <ALLOWANCE>    Allowance
+  -h, --help                     Print help
+```
+
+### `aurora-cli remove-relayer-key`
+
+```console
+$ aurora-cli help remove-relayer-key
+Remove relayer public key
+
+Usage: aurora-cli remove-relayer-key <PUBLIC_KEY>
+
+Arguments:
+  <PUBLIC_KEY>  Public key
+
+Options:
+  -h, --help  Print help
+```
+
+### `aurora-cli get-upgrade-delay-blocks`
+
+```console
+$ aurora-cli help  get-upgrade-delay-blocks
+Get delay for upgrade in blocks
+
+Usage: aurora-cli get-upgrade-delay-blocks
+
+Options:
+-h, --help  Print help
+```
+
+### `aurora-cli set-upgrade-delay-blocks`
+
+```console
+$ aurora-cli help set-upgrade-delay-blocks
+Set delay for upgrade in blocks
+
+Usage: aurora-cli set-upgrade-delay-blocks <BLOCKS>
+
+Arguments:
+  <BLOCKS>  Number blocks
+
+Options:
+  -h, --help  Print help
+```
+
+### `aurora-cli get-erc20-from-nep141`
+
+```console
+$ aurora-cli help get-erc20-from-nep141
+Get ERC-20 from NEP-141
+
+Usage: aurora-cli get-erc20-from-nep141 <ACCOUNT_ID>
+
+Arguments:
+  <ACCOUNT_ID> Account id of NEP-141
+
+Options:
+  -h, --help  Print help
+```
+
+### `aurora-cli get-nep141-from-erc20`
+
+```console
+$ aurora-cli help get-nep141-from-erc20
+Get NEP-141 from ERC-20
+
+Usage: aurora-cli get-nep141-from-erc20 <ADDRESS>
+
+Arguments:
+  <ADDRESS>  Address for ERC-20
+
+Options:
+  -h, --help  Print help
+```
+
+### `aurora-cli get-erc20-metadata`
+
+```console
+$ aurora-cli help get-erc20-metadata
+Get ERC-20 metadata
+
+Usage: aurora-cli get-erc20-metadata <ERC20_ID>
+
+Arguments:
+  <ERC20_ID>  Address or account id of the ERC-20 contract
+
+Options:
+  -h, --help  Print help
+```
+
+### `aurora-cli set-erc20-metadata`
+
+```console
+$ aurora-cli help set-erc20-metadata
+Set ERC-20 metadata
+
+Usage: aurora-cli set-erc20-metadata --erc20-id <ERC20_ID> --name <NAME> --symbol <SYMBOL> --decimals <DECIMALS>
+
+Options:
+      --erc20-id <ERC20_ID>  Address or account id of the ERC-20 contract
+      --name <NAME>          Name of the token
+      --symbol <SYMBOL>      Symbol of the token
+      --decimals <DECIMALS>  Decimals of the token
+  -h, --help                 Print help
+```
diff --git a/src/cli/simple/command/mod.rs b/src/cli/simple/command/mod.rs
index 488f45b..e71d913 100644
--- a/src/cli/simple/command/mod.rs
+++ b/src/cli/simple/command/mod.rs
@@ -1,7 +1,12 @@
+use std::fmt::{Display, Formatter};
+use std::{path::Path, str::FromStr};
+
 use aurora_engine_sdk::types::near_account_to_evm_address;
 use aurora_engine_types::account_id::AccountId;
 use aurora_engine_types::borsh::{self, BorshDeserialize, BorshSerialize};
-use aurora_engine_types::parameters::connector::InitCallArgs;
+use aurora_engine_types::parameters::connector::{
+    Erc20Identifier, Erc20Metadata, InitCallArgs, SetErc20MetadataArgs,
+};
 use aurora_engine_types::parameters::engine::{
     GetStorageAtArgs, NewCallArgs, NewCallArgsV2, PausePrecompilesCallArgs, RelayerKeyArgs,
     RelayerKeyManagerArgs, SetOwnerArgs, SetUpgradeDelayBlocksArgs, SubmitResult,
@@ -12,8 +17,6 @@ use aurora_engine_types::types::Address;
 use aurora_engine_types::{types::Wei, H256, U256};
 use near_primitives::views::{CallResult, FinalExecutionStatus};
 use serde_json::Value;
-use std::fmt::{Display, Formatter};
-use std::{path::Path, str::FromStr};
 
 use crate::{
     client::Client,
@@ -578,6 +581,58 @@ pub async fn set_upgrade_delay_blocks(client: Client, blocks: u64) -> anyhow::Re
     .await
 }
 
+/// Get ERC-20 address from account id of NEP-141.
+pub async fn get_erc20_from_nep141(client: Client, account_id: String) -> anyhow::Result<()> {
+    let args = account_id.try_to_vec()?;
+    get_value::<HexString>(client, "get_erc20_from_nep141", Some(args)).await
+}
+
+/// Get NEP-141 account id from address of ERC-20.
+pub async fn get_nep141_from_erc20(client: Client, address: String) -> anyhow::Result<()> {
+    let args = hex_to_address(&address)?.as_bytes().to_vec();
+    get_value::<AccountId>(client, "get_nep141_from_erc20", Some(args)).await
+}
+
+/// Get a metadata of ERC-20 contract.
+pub async fn get_erc20_metadata(client: Client, identifier: String) -> anyhow::Result<()> {
+    let args = str_to_identifier(&identifier)
+        .and_then(|id| serde_json::to_vec(&id).map_err(Into::into))?;
+    let result = client.near().view_call("get_erc20_metadata", args).await?;
+    let output = serde_json::from_slice::<Erc20Metadata>(&result.result)
+        .and_then(|metadata| serde_json::to_string_pretty(&metadata))?;
+
+    println!("{output}");
+
+    Ok(())
+}
+
+/// Set a metadata of ERC-20 contract.
+pub async fn set_erc20_metadata(
+    client: Client,
+    identifier: String,
+    name: String,
+    symbol: String,
+    decimals: u8,
+) -> anyhow::Result<()> {
+    let erc20_identifier = str_to_identifier(&identifier)?;
+    let args = serde_json::to_vec(&SetErc20MetadataArgs {
+        erc20_identifier,
+        metadata: Erc20Metadata {
+            name,
+            symbol,
+            decimals,
+        },
+    })?;
+
+    contract_call!(
+        "set_erc20_metadata",
+        "ERC-20 metadata has been set successfully",
+        "Error while setting ERC-20 metadata"
+    )
+    .proceed(client, args)
+    .await
+}
+
 async fn get_value<T: FromCallResult + Display>(
     client: Client,
     method_name: &str,
@@ -607,6 +662,14 @@ fn to_account_id(id: Option<String>, client: &Client) -> anyhow::Result<AccountI
     )
 }
 
+fn str_to_identifier(id: &str) -> anyhow::Result<Erc20Identifier> {
+    hex_to_address(id).map(Into::into).or_else(|_| {
+        id.parse::<AccountId>()
+            .map(Into::into)
+            .map_err(|e| anyhow::anyhow!("{e}"))
+    })
+}
+
 struct HexString(String);
 
 trait FromCallResult {
@@ -656,6 +719,12 @@ impl FromCallResult for HexString {
     }
 }
 
+impl FromCallResult for AccountId {
+    fn from_result(result: CallResult) -> anyhow::Result<Self> {
+        Self::try_from(result.result).map_err(|e| anyhow::anyhow!("{e}"))
+    }
+}
+
 impl Display for HexString {
     fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
         write!(f, "0x{}", self.0)
diff --git a/src/cli/simple/mod.rs b/src/cli/simple/mod.rs
index 6ad5f63..87e3576 100644
--- a/src/cli/simple/mod.rs
+++ b/src/cli/simple/mod.rs
@@ -1,9 +1,10 @@
+use std::str::FromStr;
+
 use aurora_engine_types::account_id::AccountId;
 use aurora_engine_types::public_key::{KeyType, PublicKey};
 use clap::{Parser, Subcommand};
 use lazy_static::lazy_static;
 use shadow_rs::shadow;
-use std::str::FromStr;
 
 pub mod command;
 
@@ -279,6 +280,36 @@ pub enum Command {
         /// Number blocks
         blocks: u64,
     },
+    /// Get ERC-20 from NEP-141
+    GetErc20FromNep141 {
+        /// Account id of NEP-141
+        account_id: String,
+    },
+    /// Get NEP-141 from ERC-20
+    GetNep141FromErc20 {
+        /// Address for ERC-20
+        address: String,
+    },
+    /// Get ERC-20 metadata
+    GetErc20Metadata {
+        /// Address or account id of the ERC-20 contract
+        erc20_id: String,
+    },
+    /// Set ERC-20 metadata
+    SetErc20Metadata {
+        /// Address or account id of the ERC-20 contract
+        #[arg(long)]
+        erc20_id: String,
+        /// Name of the token
+        #[arg(long)]
+        name: String,
+        /// Symbol of the token
+        #[arg(long)]
+        symbol: String,
+        /// Decimals of the token
+        #[arg(long)]
+        decimals: u8,
+    },
 }
 
 #[derive(Clone)]
@@ -448,6 +479,23 @@ pub async fn run(args: Cli) -> anyhow::Result<()> {
         Command::SetUpgradeDelayBlocks { blocks } => {
             command::set_upgrade_delay_blocks(client, blocks).await?;
         }
+        Command::GetErc20FromNep141 { account_id } => {
+            command::get_erc20_from_nep141(client, account_id).await?;
+        }
+        Command::GetNep141FromErc20 { address } => {
+            command::get_nep141_from_erc20(client, address).await?;
+        }
+        Command::GetErc20Metadata { erc20_id } => {
+            command::get_erc20_metadata(client, erc20_id).await?;
+        }
+        Command::SetErc20Metadata {
+            erc20_id,
+            name,
+            symbol,
+            decimals,
+        } => {
+            command::set_erc20_metadata(client, erc20_id, name, symbol, decimals).await?;
+        }
     }
 
     Ok(())