diff --git a/src/Keys/testingKeys1 b/src/Keys/testingKeys1
new file mode 100644
index 0000000..084848e
--- /dev/null
+++ b/src/Keys/testingKeys1
@@ -0,0 +1,4 @@
+Private key	540eabea549412552b7b125a4317b5b006fc6429d2262156f53ce81e66b4424c
+Public key	049a7aa1ceb27b9de1eda8d6a40d0f148db00da91ccad314a71178411024b754da12f533ec5742b8c7ef853bed1a3fe176b039f6eacb3be23c424c52da15b83483
+ETH	60a386cb5aca9a3583c2b6b81a73fbfa81d0d702
+REV Address	11112NVE314jMNWmvWuRzbkPYqf7HdcxVBoJeXTZJJDKYjmJaDoQKF
\ No newline at end of file
diff --git a/src/Keys/testingKeys2 b/src/Keys/testingKeys2
new file mode 100644
index 0000000..7040c88
--- /dev/null
+++ b/src/Keys/testingKeys2
@@ -0,0 +1,4 @@
+Private key	5ac6a1a363d352e3f8c4c31533ebf72aa664d8865305514ee5f6984b5b3ac0c8
+Public key	04fbc8078fbba32a34adc92560ba0b3db5560ead6b260e199c704ca0c65f5ab3d57eb581145843326adc8324cdabf8753a553e4fbb83bb17193fe4f8d166dc37d4
+ETH	76fe5c0efc7caa3f95d1a436d162ddf7f5fa888b
+REV Address	11112pFDrc2uRQMvhd5BuuUSjQ2pE1mbTKsaBzaWbbevHPju3BFH2e
\ No newline at end of file
diff --git a/src/Keys/testingKeys3 b/src/Keys/testingKeys3
new file mode 100644
index 0000000..c48e1f1
--- /dev/null
+++ b/src/Keys/testingKeys3
@@ -0,0 +1,4 @@
+Private key	8981468ca0ca8d3a7657bafb8ce26aa16b0d5cd0d45b5db03af7920804061718
+Public key	04bce70f641718abfca5b84d7c9da9200ee6849be1a761d7d1a8cbf0740d501db3e363a1730e549fd573c3a523189f9d28e1489775c9aa7dd667593b71b4813957
+ETH	2e5c77b208995d91ffa0cbdde8e0ad4e225c271d
+REV Address 11115wi32GEe1YzEcetAc5SKUTuHvk1MrU5757tTbhohGx5CNsfEK
\ No newline at end of file
diff --git a/src/utils/eth_address_from_public_key.rs b/src/utils/eth_address_from_public_key.rs
index b920fad..1aa1a5e 100644
--- a/src/utils/eth_address_from_public_key.rs
+++ b/src/utils/eth_address_from_public_key.rs
@@ -2,6 +2,16 @@ use crate::error::Error;
 use crate::utils::{decode_b16, keccak256};
 
 //get eth address provided the uncompressed pub key
+/// to convert from public key to eth addr
+/// 
+/// use crate::utils::eth_address_from_public_key::get_eth_addr_from_public_key;
+/// 
+/// ```no_run
+/// let eth= get_eth_addr_from_public_key("").unwrap()
+/// printl!("{eth}")
+/// ```
+/// 
+
 pub fn get_eth_addr_from_public_key(pub_key: &str) -> Result<String, Error> {
     if pub_key.len() != 130 {
         Err(Error::EthAdressFromKey(
diff --git a/src/utils/pub_from_private.rs b/src/utils/pub_from_private.rs
index 2e299a1..dbadd2c 100644
--- a/src/utils/pub_from_private.rs
+++ b/src/utils/pub_from_private.rs
@@ -8,12 +8,24 @@ use secp256k1::{
 };
 
 //use secret gotten from get_pri_pub_key_pair() to create new secret here
+///get public key from a private key
+/// ```no_run
+/// use crate::utils::pub_from_private::{get_seckey_from_string,get_pub_key};
+/// let seckey=get_seckey_from_string("secret key").unwrap();
+/// let pub_key=get_pub_key(&seckey)
+/// ```
+/// 
 pub fn get_pub_key(secret_key: &SecretKey) -> PublicKey {
     let secp = Secp256k1::new();
 
     PublicKey::from_secret_key(&secp, secret_key)
 }
-
+///get private key
+/// ```no_run
+/// use crate::utils::pub_from_private::get_pri_key;
+/// let pri_key=get_pri_key()
+/// ````
+/// 
 pub fn get_pri_key() -> SecretKey {
     let secp = Secp256k1::new();
     let mut rng = thread_rng();
diff --git a/src/utils/rev_address_from_public_key.rs b/src/utils/rev_address_from_public_key.rs
index c0a261d..ca7c659 100644
--- a/src/utils/rev_address_from_public_key.rs
+++ b/src/utils/rev_address_from_public_key.rs
@@ -70,12 +70,26 @@ pub fn get_addr_from_eth(eth_addr_raw: &str) -> Result<String, Error> {
 }
 
 //get rev addr from pub key
+///
+/// use::crate::utils::rev_address_from public_key::rev_address_from_public_key;
+/// 
+/// ```no_run
+/// let rev=rev_address_from_public_key("public key").unwrap()
+/// print!("{rev}")
+/// ````
+/// 
 pub fn rev_address_from_public_key(pub_key: &str) -> Result<String, Error> {
     let eth_addr = get_eth_addr_from_public_key(pub_key)?;
     get_addr_from_eth(&eth_addr)
 }
 
 //get rev address from private key
+///
+///```no_run
+/// use::crate::utils::rev_address_from_public_key::get_rev_addr_from_private_key;
+/// let pub_key=get_rev_addr_from_private_key("private key").unwrap();
+///```
+/// 
 pub fn get_rev_addr_from_private_key(key: &SecretKey) -> Result<String, Error> {
     let pub_key = get_pub_key(key);
     rev_address_from_public_key(&hex::encode(pub_key.serialize_uncompressed()))