feat(dpp): added identity public key private key validation methods

packages/rs-dpp/src/identity/identity_public_key/key_type.rs

@@ -305,7 +305,7 @@ impl KeyType {
             KeyType::EDDSA_25519_HASH160 => {
                 let key_pair = ed25519_dalek::SigningKey::generate(rng);
                 (
-                    key_pair.verifying_key().to_bytes().to_vec(),
+                    ripemd160_sha256(key_pair.verifying_key().to_bytes().as_slice()).to_vec(),
                     key_pair.to_bytes().to_vec(),
                 )
             }

packages/rs-dpp/src/identity/identity_public_key/methods/hash/mod.rs

@@ -2,6 +2,7 @@ mod v0;
 
 use crate::identity::IdentityPublicKey;
 use crate::ProtocolError;
+use dashcore::Network;
 pub use v0::*;
 
 impl IdentityPublicKeyHashMethodsV0 for IdentityPublicKey {
@@ -10,4 +11,14 @@ impl IdentityPublicKeyHashMethodsV0 for IdentityPublicKey {
             IdentityPublicKey::V0(v0) => v0.public_key_hash(),
         }
     }
+
+    fn validate_private_key_bytes(
+        &self,
+        private_key_bytes: &[u8],
+        network: Network,
+    ) -> Result<bool, ProtocolError> {
+        match self {
+            IdentityPublicKey::V0(v0) => v0.validate_private_key_bytes(private_key_bytes, network),
+        }
+    }
 }

packages/rs-dpp/src/identity/identity_public_key/methods/hash/v0/mod.rs

@@ -1,6 +1,14 @@
 use crate::ProtocolError;
+use dashcore::Network;
 
 pub trait IdentityPublicKeyHashMethodsV0 {
     /// Get the original public key hash
     fn public_key_hash(&self) -> Result<[u8; 20], ProtocolError>;
+
+    /// Verifies that the private key bytes match this identity public key
+    fn validate_private_key_bytes(
+        &self,
+        private_key_bytes: &[u8],
+        network: Network,
+    ) -> Result<bool, ProtocolError>;
 }

packages/rs-dpp/src/identity/identity_public_key/v0/methods/mod.rs

@@ -5,7 +5,9 @@ use crate::util::hash::ripemd160_sha256;
 use crate::ProtocolError;
 use anyhow::anyhow;
 use dashcore::hashes::Hash;
-use dashcore::PublicKey as ECDSAPublicKey;
+use dashcore::key::Secp256k1;
+use dashcore::secp256k1::SecretKey;
+use dashcore::{Network, PublicKey as ECDSAPublicKey};
 use platform_value::Bytes20;
 
 impl IdentityPublicKeyHashMethodsV0 for IdentityPublicKeyV0 {
@@ -45,4 +47,213 @@ impl IdentityPublicKeyHashMethodsV0 for IdentityPublicKeyV0 {
             }
         }
     }
+
+    fn validate_private_key_bytes(
+        &self,
+        private_key_bytes: &[u8],
+        network: Network,
+    ) -> Result<bool, ProtocolError> {
+        match self.key_type {
+            KeyType::ECDSA_SECP256K1 => {
+                let secp = Secp256k1::new();
+                let secret_key = match SecretKey::from_slice(private_key_bytes) {
+                    Ok(secret_key) => secret_key,
+                    Err(_) => return Ok(false),
+                };
+                let private_key = dashcore::PrivateKey::new(secret_key, network);
+
+                Ok(private_key.public_key(&secp).to_bytes() == self.data.as_slice())
+            }
+            KeyType::BLS12_381 => {
+                #[cfg(feature = "bls-signatures")]
+                {
+                    let private_key =
+                        match bls_signatures::PrivateKey::from_bytes(private_key_bytes, false) {
+                            Ok(secret_key) => secret_key,
+                            Err(_) => return Ok(false),
+                        };
+                    let g1_element = match private_key.g1_element() {
+                        Ok(g1_element) => g1_element,
+                        Err(_) => return Ok(false),
+                    };
+
+                    Ok(g1_element.to_bytes().as_slice() == self.data.as_slice())
+                }
+                #[cfg(not(feature = "bls-signatures"))]
+                return Err(ProtocolError::NotSupported(
+                    "Converting a private key to a bls public key is not supported without the bls-signatures feature".to_string(),
+                ));
+            }
+            KeyType::ECDSA_HASH160 => {
+                let secp = Secp256k1::new();
+                let secret_key = match SecretKey::from_slice(private_key_bytes) {
+                    Ok(secret_key) => secret_key,
+                    Err(_) => return Ok(false),
+                };
+                let private_key = dashcore::PrivateKey::new(secret_key, network);
+
+                Ok(
+                    ripemd160_sha256(private_key.public_key(&secp).to_bytes().as_slice())
+                        .as_slice()
+                        == self.data.as_slice(),
+                )
+            }
+            KeyType::EDDSA_25519_HASH160 => {
+                #[cfg(feature = "ed25519-dalek")]
+                {
+                    let secret_key = match private_key_bytes.try_into() {
+                        Ok(secret_key) => secret_key,
+                        Err(_) => return Ok(false),
+                    };
+                    let key_pair = ed25519_dalek::SigningKey::from_bytes(&secret_key);
+                    Ok(
+                        ripemd160_sha256(key_pair.verifying_key().to_bytes().as_slice()).as_slice()
+                            == self.data.as_slice(),
+                    )
+                }
+                #[cfg(not(feature = "ed25519-dalek"))]
+                return Err(ProtocolError::NotSupported(
+                    "Converting a private key to a eddsa hash 160 is not supported without the ed25519-dalek feature".to_string(),
+                ));
+            }
+            KeyType::BIP13_SCRIPT_HASH => {
+                return Err(ProtocolError::NotSupported(
+                    "Converting a private key to a script hash is not supported".to_string(),
+                ));
+            }
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::identity::{Purpose, SecurityLevel};
+    use dashcore::Network;
+    use dpp::version::PlatformVersion;
+    use rand::rngs::StdRng;
+    use rand::SeedableRng;
+
+    #[cfg(feature = "random-public-keys")]
+    #[test]
+    fn test_validate_private_key_bytes_with_random_keys() {
+        let platform_version = PlatformVersion::latest();
+        let mut rng = StdRng::from_entropy();
+
+        // Test for ECDSA_SECP256K1
+        let key_type = KeyType::ECDSA_SECP256K1;
+        let (public_key_data, private_key_data) = key_type
+            .random_public_and_private_key_data(&mut rng, &platform_version)
+            .expect("expected to generate random keys");
+
+        let identity_public_key = IdentityPublicKeyV0 {
+            id: 1,
+            purpose: Purpose::AUTHENTICATION,
+            security_level: SecurityLevel::HIGH,
+            contract_bounds: None,
+            key_type,
+            data: public_key_data.into(),
+            read_only: false,
+            disabled_at: None,
+        };
+
+        // Validate that the private key matches the public key
+        assert_eq!(
+            identity_public_key
+                .validate_private_key_bytes(&private_key_data, Network::Testnet)
+                .unwrap(),
+            true
+        );
+
+        // Test with an invalid private key
+        let invalid_private_key_bytes = vec![0u8; private_key_data.len()];
+        assert_eq!(
+            identity_public_key
+                .validate_private_key_bytes(&invalid_private_key_bytes, Network::Testnet)
+                .unwrap(),
+            false
+        );
+    }
+
+    #[cfg(all(feature = "random-public-keys", feature = "bls-signatures"))]
+    #[test]
+    fn test_validate_private_key_bytes_with_random_keys_bls12_381() {
+        let platform_version = PlatformVersion::latest();
+        let mut rng = StdRng::from_entropy();
+
+        // Test for BLS12_381
+        let key_type = KeyType::BLS12_381;
+        let (public_key_data, private_key_data) = key_type
+            .random_public_and_private_key_data(&mut rng, &platform_version)
+            .expect("expected to generate random keys");
+
+        let identity_public_key = IdentityPublicKeyV0 {
+            id: 2,
+            purpose: Purpose::AUTHENTICATION,
+            security_level: SecurityLevel::HIGH,
+            contract_bounds: None,
+            key_type,
+            data: public_key_data.into(),
+            read_only: false,
+            disabled_at: None,
+        };
+
+        // Validate that the private key matches the public key
+        assert_eq!(
+            identity_public_key
+                .validate_private_key_bytes(&private_key_data, Network::Testnet)
+                .unwrap(),
+            true
+        );
+
+        // Test with an invalid private key
+        let invalid_private_key_bytes = vec![0u8; private_key_data.len()];
+        assert_eq!(
+            identity_public_key
+                .validate_private_key_bytes(&invalid_private_key_bytes, Network::Testnet)
+                .unwrap(),
+            false
+        );
+    }
+
+    #[cfg(all(feature = "random-public-keys", feature = "ed25519-dalek"))]
+    #[test]
+    fn test_validate_private_key_bytes_with_random_keys_eddsa_25519_hash160() {
+        let platform_version = PlatformVersion::latest();
+        let mut rng = StdRng::from_entropy();
+
+        // Test for EDDSA_25519_HASH160
+        let key_type = KeyType::EDDSA_25519_HASH160;
+        let (public_key_data, private_key_data) = key_type
+            .random_public_and_private_key_data(&mut rng, &platform_version)
+            .expect("expected to generate random keys");
+
+        let identity_public_key = IdentityPublicKeyV0 {
+            id: 3,
+            purpose: Purpose::AUTHENTICATION,
+            security_level: SecurityLevel::HIGH,
+            contract_bounds: None,
+            key_type,
+            data: public_key_data.into(),
+            read_only: false,
+            disabled_at: None,
+        };
+
+        // Validate that the private key matches the public key
+        assert_eq!(
+            identity_public_key
+                .validate_private_key_bytes(&private_key_data, Network::Testnet)
+                .unwrap(),
+            true
+        );
+
+        // Test with an invalid private key
+        let invalid_private_key_bytes = vec![0u8; private_key_data.len()];
+        assert_eq!(
+            identity_public_key
+                .validate_private_key_bytes(&invalid_private_key_bytes, Network::Testnet)
+                .unwrap(),
+            false
+        );
+    }
 }

packages/rs-platform-value/src/types/identifier.rs

@@ -11,7 +11,6 @@ use serde::{Deserialize, Serialize};
 #[cfg(feature = "json")]
 use serde_json::Value as JsonValue;
 
-use crate::string_encoding::Encoding::Base58;
 use crate::string_encoding::{Encoding, ALL_ENCODINGS};
 use crate::types::encoding_string_to_encoding;
 use crate::{string_encoding, Error, Value};

packages/rs-sdk/src/platform/types/evonode.rs

@@ -10,7 +10,7 @@ use futures::{FutureExt, TryFutureExt};
 use rs_dapi_client::transport::{
     AppliedRequestSettings, PlatformGrpcClient, TransportClient, TransportRequest,
 };
-use rs_dapi_client::{Address, ConnectionPool, DapiClientError, RequestSettings};
+use rs_dapi_client::{Address, ConnectionPool, RequestSettings};
 #[cfg(feature = "mocks")]
 use serde::{Deserialize, Serialize};
 use std::fmt::Debug;