blockchain_runtime/
runtime.rs

1//! Main blockchain runtime trait and implementations
2
3use anyhow::Result;
4use async_trait::async_trait;
5use std::path::Path;
6
7use crate::config::RuntimeConfig;
8use crate::security::SecurityConfig;
9use crate::types::{
10    RuntimeEnvironment, ExecutionInputs, ExecutionResult, RuntimeCapabilities,
11    RuntimeMetricDefinition, RuntimeEvent, SecurityViolation
12};
13
14/// Main blockchain runtime trait
15#[async_trait]
16pub trait BlockchainRuntime: Send + Sync {
17    /// Get the blockchain identifier
18    fn blockchain_id(&self) -> &str;
19
20    /// Create a runtime environment
21    async fn create_environment(&self, config: RuntimeConfig) -> Result<RuntimeEnvironment>;
22
23    /// Execute code in the runtime
24    async fn execute(
25        &self,
26        env: &RuntimeEnvironment,
27        code_path: &Path,
28        inputs: &ExecutionInputs,
29    ) -> Result<ExecutionResult>;
30
31    /// Deploy a contract to the runtime
32    async fn deploy_contract(
33        &self,
34        env: &RuntimeEnvironment,
35        bytecode: &[u8],
36        constructor_args: &[u8],
37    ) -> Result<String>;
38
39    /// Call a contract function
40    async fn call_function(
41        &self,
42        env: &RuntimeEnvironment,
43        contract_address: &str,
44        function: &str,
45        args: &[u8],
46    ) -> Result<Vec<u8>>;
47
48    /// Get runtime metrics
49    fn metrics_definition(&self) -> Vec<RuntimeMetricDefinition>;
50
51    /// Monitor runtime events
52    async fn monitor(
53        &self,
54        env: &RuntimeEnvironment,
55        execution_id: &str,
56    ) -> Result<Vec<RuntimeEvent>>;
57
58    /// Destroy the environment
59    async fn destroy(&self, env: RuntimeEnvironment) -> Result<()>;
60
61    /// Check if runtime is available
62    async fn is_available(&self) -> bool;
63
64    /// Get runtime capabilities
65    fn capabilities(&self) -> RuntimeCapabilities;
66
67    /// Execute code with security checks
68    async fn execute_secure(
69        &self,
70        env: &RuntimeEnvironment,
71        code_path: &Path,
72        inputs: &ExecutionInputs,
73        security_config: &SecurityConfig,
74    ) -> Result<ExecutionResult>;
75
76    /// Check for reentrancy attacks
77    async fn check_reentrancy(
78        &self,
79        env: &RuntimeEnvironment,
80        function_name: &str,
81        caller: &str,
82        call_stack: &[String],
83    ) -> Result<bool>;
84
85    /// Detect integer overflow
86    async fn detect_overflow(
87        &self,
88        env: &RuntimeEnvironment,
89        operation: &str,
90        operands: &[i64],
91    ) -> Result<bool>;
92
93    /// Verify access control
94    async fn verify_access_control(
95        &self,
96        env: &RuntimeEnvironment,
97        function_name: &str,
98        caller: &str,
99        required_role: Option<&str>,
100    ) -> Result<bool>;
101
102    /// Enforce resource limits
103    async fn enforce_resource_limits(
104        &self,
105        env: &RuntimeEnvironment,
106        gas_used: u64,
107        memory_used: u64,
108        call_depth: u32,
109        external_calls: u32,
110        security_config: &SecurityConfig,
111    ) -> Result<Vec<SecurityViolation>>;
112
113    /// Get security report for execution
114    async fn get_security_report(
115        &self,
116        env: &RuntimeEnvironment,
117        execution_id: &str,
118    ) -> Result<std::collections::HashMap<String, serde_json::Value>>;
119}
120
121/// Default implementation of blockchain runtime
122pub struct DefaultBlockchainRuntime {
123    blockchain_id: String,
124    capabilities: RuntimeCapabilities,
125}
126
127impl DefaultBlockchainRuntime {
128    /// Create a new default blockchain runtime
129    pub fn new(blockchain_id: String) -> Self {
130        Self {
131            blockchain_id,
132            capabilities: RuntimeCapabilities::default(),
133        }
134    }
135
136    /// Create a new runtime with custom capabilities
137    pub fn with_capabilities(blockchain_id: String, capabilities: RuntimeCapabilities) -> Self {
138        Self {
139            blockchain_id,
140            capabilities,
141        }
142    }
143}
144
145#[async_trait]
146impl BlockchainRuntime for DefaultBlockchainRuntime {
147    fn blockchain_id(&self) -> &str {
148        &self.blockchain_id
149    }
150
151    async fn create_environment(&self, config: RuntimeConfig) -> Result<RuntimeEnvironment> {
152        // In a real implementation, this would create the actual runtime environment
153        Ok(RuntimeEnvironment {
154            environment_id: format!("env_{}", std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH).unwrap().as_millis()),
155            blockchain_id: self.blockchain_id.clone(),
156            runtime_type: crate::types::RuntimeType::LocalProcess,
157            endpoint_url: "http://localhost:8545".to_string(),
158            state: crate::types::EnvironmentState::Ready,
159            metadata: std::collections::HashMap::new(),
160        })
161    }
162
163    async fn execute(
164        &self,
165        _env: &RuntimeEnvironment,
166        _code_path: &Path,
167        _inputs: &ExecutionInputs,
168    ) -> Result<ExecutionResult> {
169        // In a real implementation, this would execute the code
170        Ok(ExecutionResult::new("exec_123".to_string(), true))
171    }
172
173    async fn deploy_contract(
174        &self,
175        _env: &RuntimeEnvironment,
176        _bytecode: &[u8],
177        _constructor_args: &[u8],
178    ) -> Result<String> {
179        // In a real implementation, this would deploy the contract
180        Ok("0x1234567890abcdef".to_string())
181    }
182
183    async fn call_function(
184        &self,
185        _env: &RuntimeEnvironment,
186        _contract_address: &str,
187        _function: &str,
188        _args: &[u8],
189    ) -> Result<Vec<u8>> {
190        // In a real implementation, this would call the function
191        Ok(vec![0x01, 0x02, 0x03])
192    }
193
194    fn metrics_definition(&self) -> Vec<RuntimeMetricDefinition> {
195        vec![
196            RuntimeMetricDefinition {
197                name: "gas_used".to_string(),
198                description: "Gas consumed during execution".to_string(),
199                unit: "gas".to_string(),
200                metric_type: crate::types::MetricType::Gas,
201            },
202            RuntimeMetricDefinition {
203                name: "execution_time".to_string(),
204                description: "Time taken to execute".to_string(),
205                unit: "ms".to_string(),
206                metric_type: crate::types::MetricType::Time,
207            },
208        ]
209    }
210
211    async fn monitor(
212        &self,
213        _env: &RuntimeEnvironment,
214        _execution_id: &str,
215    ) -> Result<Vec<RuntimeEvent>> {
216        // In a real implementation, this would monitor events
217        Ok(vec![])
218    }
219
220    async fn destroy(&self, _env: RuntimeEnvironment) -> Result<()> {
221        // In a real implementation, this would destroy the environment
222        Ok(())
223    }
224
225    async fn is_available(&self) -> bool {
226        // In a real implementation, this would check if the runtime is available
227        true
228    }
229
230    fn capabilities(&self) -> RuntimeCapabilities {
231        self.capabilities.clone()
232    }
233
234    async fn execute_secure(
235        &self,
236        env: &RuntimeEnvironment,
237        code_path: &Path,
238        inputs: &ExecutionInputs,
239        _security_config: &SecurityConfig,
240    ) -> Result<ExecutionResult> {
241        // In a real implementation, this would execute with security checks
242        let mut result = self.execute(env, code_path, inputs).await?;
243        
244        // Add security context
245        result.security_context = crate::types::SecureExecutionContext::default();
246        
247        Ok(result)
248    }
249
250    async fn check_reentrancy(
251        &self,
252        _env: &RuntimeEnvironment,
253        _function_name: &str,
254        _caller: &str,
255        _call_stack: &[String],
256    ) -> Result<bool> {
257        // In a real implementation, this would check for reentrancy
258        Ok(false)
259    }
260
261    async fn detect_overflow(
262        &self,
263        _env: &RuntimeEnvironment,
264        _operation: &str,
265        _operands: &[i64],
266    ) -> Result<bool> {
267        // In a real implementation, this would detect overflow
268        Ok(false)
269    }
270
271    async fn verify_access_control(
272        &self,
273        _env: &RuntimeEnvironment,
274        _function_name: &str,
275        _caller: &str,
276        _required_role: Option<&str>,
277    ) -> Result<bool> {
278        // In a real implementation, this would verify access control
279        Ok(true)
280    }
281
282    async fn enforce_resource_limits(
283        &self,
284        _env: &RuntimeEnvironment,
285        _gas_used: u64,
286        _memory_used: u64,
287        _call_depth: u32,
288        _external_calls: u32,
289        _security_config: &SecurityConfig,
290    ) -> Result<Vec<SecurityViolation>> {
291        // In a real implementation, this would enforce resource limits
292        Ok(vec![])
293    }
294
295    async fn get_security_report(
296        &self,
297        _env: &RuntimeEnvironment,
298        _execution_id: &str,
299    ) -> Result<std::collections::HashMap<String, serde_json::Value>> {
300        // In a real implementation, this would generate a security report
301        Ok(std::collections::HashMap::new())
302    }
303}
blockchain_runtime/runtime.rs

blockchain_runtime/
runtime.rs
