1  // Copyright (c) 2025 ALPHA/DELTA Network
  2  
  3  //! Governance integration tests.
  4  //!
  5  //! Tests the governance flow from DELTA to ALPHA:
  6  //! - Governor addition/removal proposals
  7  //! - Minting rate updates
  8  //! - Emergency actions (pause/resume)
  9  //!
 10  //! These tests verify the IPC message passing and GCI state management.
 11  
 12  use adnet_ipc::{
 13      Address, GovernanceProposalType, MerkleProof, MerkleProofBuilder, ProofVerifier, ProposalId,
 14      ProposalOutcome, StateRoot,
 15  };
 16  use adnet_runtime::state_roots::{Chain, StateRootTracker};
 17  use adnet_test_utils::{init_test_logging, TestRuntime, TestRuntimeBuilder};
 18  use std::time::Duration;
 19  
 20  /// Test basic proof verification.
 21  #[test]
 22  fn test_merkle_proof_verification() {
 23      let mut builder = MerkleProofBuilder::new();
 24  
 25      // Add some leaves
 26      let data1 = b"governance proposal 1";
 27      let data2 = b"governance proposal 2";
 28      let data3 = b"governance proposal 3";
 29      let data4 = b"governance proposal 4";
 30  
 31      builder.add_leaf(data1);
 32      builder.add_leaf(data2);
 33      builder.add_leaf(data3);
 34      builder.add_leaf(data4);
 35  
 36      // Build and verify proof for each leaf
 37      for (i, data) in [data1, data2, data3, data4].iter().enumerate() {
 38          let (proof, root) = builder.build_proof(i).expect("Failed to build proof");
 39          assert!(
 40              ProofVerifier::verify_data(&proof, *data, &root),
 41              "Proof verification failed for leaf {}",
 42              i
 43          );
 44      }
 45  }
 46  
 47  /// Test that invalid proofs are rejected.
 48  #[test]
 49  fn test_invalid_proof_rejected() {
 50      let mut builder = MerkleProofBuilder::new();
 51      builder.add_leaf(b"correct data");
 52  
 53      let (proof, root) = builder.build_proof(0).expect("Failed to build proof");
 54  
 55      // Try to verify with wrong data
 56      assert!(
 57          !ProofVerifier::verify_data(&proof, b"wrong data", &root),
 58          "Invalid proof should be rejected"
 59      );
 60  
 61      // Try to verify with wrong root
 62      let wrong_root = StateRoot([0xFF; 32]);
 63      assert!(
 64          !ProofVerifier::verify_data(&proof, b"correct data", &wrong_root),
 65          "Proof against wrong root should be rejected"
 66      );
 67  }
 68  
 69  /// Test state root tracker finality logic.
 70  #[test]
 71  fn test_state_root_tracker_finality() {
 72      let mut tracker = StateRootTracker::new();
 73  
 74      // Record some state roots
 75      for height in 100..110 {
 76          let root = StateRoot([height as u8; 32]);
 77          tracker.record_root(Chain::Delta, height, root);
 78      }
 79  
 80      // Update current height
 81      tracker.update_height(Chain::Delta, 109);
 82  
 83      // Finality depth is 3, so blocks 100-106 should be finalized
 84      assert!(tracker.is_finalized(Chain::Delta, 100), "Block 100 should be finalized");
 85      assert!(tracker.is_finalized(Chain::Delta, 106), "Block 106 should be finalized");
 86      assert!(!tracker.is_finalized(Chain::Delta, 107), "Block 107 should not be finalized");
 87      assert!(!tracker.is_finalized(Chain::Delta, 109), "Block 109 should not be finalized");
 88  
 89      // Update height further
 90      tracker.update_height(Chain::Delta, 112);
 91  
 92      // Now block 109 should be finalized (112 >= 109 + 3)
 93      assert!(tracker.is_finalized(Chain::Delta, 109), "Block 109 should now be finalized");
 94  }
 95  
 96  /// Test state root retrieval.
 97  #[test]
 98  fn test_state_root_retrieval() {
 99      let mut tracker = StateRootTracker::new();
100  
101      // Record roots for both chains
102      let alpha_root = StateRoot([0xAA; 32]);
103      let delta_root = StateRoot([0xDD; 32]);
104  
105      tracker.record_root(Chain::Alpha, 100, alpha_root.clone());
106      tracker.record_root(Chain::Delta, 50, delta_root.clone());
107  
108      // Retrieve and verify
109      assert_eq!(tracker.get_root(Chain::Alpha, 100), Some(&alpha_root));
110      assert_eq!(tracker.get_root(Chain::Delta, 50), Some(&delta_root));
111  
112      // Cross-check should fail
113      assert_eq!(tracker.get_root(Chain::Alpha, 50), None);
114      assert_eq!(tracker.get_root(Chain::Delta, 100), None);
115  }
116  
117  /// Test that the test runtime can start with GCI enabled.
118  #[tokio::test]
119  #[ignore = "Requires full node integration"]
120  async fn test_runtime_with_gci() {
121      init_test_logging();
122  
123      let mut runtime = TestRuntimeBuilder::new()
124          .validators(1)
125          .both_chains()
126          .build()
127          .await
128          .expect("Failed to create test runtime");
129  
130      runtime.start().await.expect("Failed to start runtime");
131  
132      // GCI should be accessible from ALPHA runtime
133      // let alpha = runtime.alpha().expect("ALPHA runtime should be enabled");
134      // let gci = alpha.gci();
135      // assert!(gci.is_minting_allowed(), "Minting should be allowed initially");
136      // assert!(gci.is_cross_chain_allowed(), "Cross-chain should be allowed initially");
137  
138      runtime.shutdown().await.expect("Failed to shutdown runtime");
139  }
140  
141  // ========== Placeholder Tests ==========
142  // These document the intended governance test scenarios for Phase 5.
143  
144  /// Test AddGovernor proposal flow.
145  ///
146  /// This test will verify:
147  /// 1. User submits AddGovernor proposal on DELTA (requires 1M DX stake)
148  /// 2. DX holders vote (67% required for critical proposals)
149  /// 3. Voting period ends (7 days)
150  /// 4. Timelock period passes (7 days for critical)
151  /// 5. Proposal is executed on DELTA
152  /// 6. Governance outcome is sent to ALPHA via IPC
153  /// 7. ALPHA verifies Merkle proof
154  /// 8. GCI adds new Governor
155  /// 9. Audit log entry is created
156  #[tokio::test]
157  #[ignore = "Requires full node integration - placeholder for governance flow testing"]
158  async fn test_add_governor_proposal_flow() {
159      init_test_logging();
160  
161      let mut runtime = TestRuntime::three_validators()
162          .await
163          .expect("Failed to create test runtime");
164  
165      runtime.start().await.expect("Failed to start runtime");
166  
167      // 1. Create AddGovernor proposal
168      let new_governor = Address([1u8; 32]);
169      let proposal_type = GovernanceProposalType::AddGovernor {
170          address: new_governor.clone(),
171          name: "Federal Reserve Bank".to_string(),
172          jurisdiction: 840, // USA
173      };
174  
175      // 2. Submit proposal on DELTA
176      // let proposal_id = runtime.submit_delta_proposal(proposal_type, proposer_account).await;
177  
178      // 3. Vote to pass (67% required)
179      // for voter in voters_with_dx {
180      //     runtime.vote_on_proposal(proposal_id, Vote::Yes, voter).await;
181      // }
182  
183      // 4. Wait for voting period
184      // runtime.advance_delta_blocks(VOTING_PERIOD_BLOCKS).await;
185  
186      // 5. Wait for timelock (7 days)
187      // runtime.advance_delta_blocks(CRITICAL_TIMELOCK_BLOCKS).await;
188  
189      // 6. Execute proposal on DELTA
190      // runtime.execute_proposal(proposal_id).await;
191  
192      // 7. Wait for cross-chain sync
193      // runtime.wait_for_cross_chain_sync().await;
194  
195      // 8. Verify governor added on ALPHA
196      // let alpha = runtime.alpha().unwrap();
197      // assert!(alpha.gci().is_active_governor(&new_governor));
198  
199      // 9. Verify audit log
200      // let audit = alpha.gci().get_audit_log().last().unwrap();
201      // assert!(matches!(audit.action, AuditAction::GovernorAdded { .. }));
202  
203      runtime.shutdown().await.expect("Failed to shutdown runtime");
204  }
205  
206  /// Test RemoveGovernor proposal flow.
207  #[tokio::test]
208  #[ignore = "Requires full node integration - placeholder for governance flow testing"]
209  async fn test_remove_governor_proposal_flow() {
210      init_test_logging();
211  
212      // Similar to add_governor but removing an existing governor
213      // 1. First add a governor
214      // 2. Submit RemoveGovernor proposal
215      // 3. Vote to pass (67%)
216      // 4. Wait for timelock
217      // 5. Execute
218      // 6. Verify removed on ALPHA
219  }
220  
221  /// Test UpdateMintingRate proposal flow.
222  #[tokio::test]
223  #[ignore = "Requires full node integration - placeholder for governance flow testing"]
224  async fn test_update_minting_rate_proposal_flow() {
225      init_test_logging();
226  
227      // 1. Submit UpdateMintingRate proposal (standard, 50% required)
228      // 2. Vote to pass
229      // 3. Wait for 48-hour timelock
230      // 4. Execute
231      // 5. Verify new rate on ALPHA GCI
232  }
233  
234  /// Test emergency PauseMinting flow.
235  #[tokio::test]
236  #[ignore = "Requires full node integration - placeholder for governance flow testing"]
237  async fn test_emergency_pause_minting_flow() {
238      init_test_logging();
239  
240      // 1. Submit Emergency::PauseMinting proposal (critical, 67%)
241      // 2. Vote to pass
242      // 3. Wait for 7-day timelock
243      // 4. Execute
244      // 5. Verify minting paused on ALPHA
245      // 6. Governors should not be able to mint while paused
246  }
247  
248  /// Test that failed proposals don't affect ALPHA GCI.
249  #[tokio::test]
250  #[ignore = "Requires full node integration - placeholder for governance flow testing"]
251  async fn test_failed_proposal_not_executed() {
252      init_test_logging();
253  
254      // 1. Submit AddGovernor proposal
255      // 2. Vote to fail (less than 67%)
256      // 3. Finalize proposal as failed
257      // 4. Verify governance outcome sent to ALPHA with Failed status
258      // 5. Verify governor NOT added on ALPHA
259  }
260  
261  /// Test invalid merkle proof rejected.
262  #[tokio::test]
263  #[ignore = "Requires full node integration - placeholder for governance flow testing"]
264  async fn test_invalid_merkle_proof_rejected() {
265      init_test_logging();
266  
267      // 1. Create a valid governance outcome
268      // 2. Tamper with the merkle proof
269      // 3. Send to ALPHA
270      // 4. Verify ALPHA rejects the tampered proof
271      // 5. GCI state should remain unchanged
272  }
273  
274  /// Test governance with different threshold requirements.
275  ///
276  /// - Critical (67%): AddGovernor, RemoveGovernor, Emergency
277  /// - Standard (50%): UpdateMintingRate, UpdateParameters
278  #[tokio::test]
279  #[ignore = "Requires full node integration - placeholder for governance flow testing"]
280  async fn test_governance_thresholds() {
281      init_test_logging();
282  
283      // 1. Test critical proposal with 50% (should fail threshold)
284      // 2. Test critical proposal with 67% (should pass)
285      // 3. Test standard proposal with 40% (should fail threshold)
286      // 4. Test standard proposal with 50% (should pass)
287  }
288  
289  /// Test governance timelock enforcement.
290  ///
291  /// - Critical: 7 day timelock
292  /// - Standard: 48 hour timelock
293  #[tokio::test]
294  #[ignore = "Requires full node integration - placeholder for governance flow testing"]
295  async fn test_governance_timelocks() {
296      init_test_logging();
297  
298      // 1. Submit critical proposal, vote to pass
299      // 2. Try to execute before 7 days (should fail)
300      // 3. Wait 7 days
301      // 4. Execute (should succeed)
302  
303      // 5. Submit standard proposal, vote to pass
304      // 6. Try to execute before 48 hours (should fail)
305      // 7. Wait 48 hours
306      // 8. Execute (should succeed)
307  }
308  
309  /// Test concurrent governance proposals.
310  #[tokio::test]
311  #[ignore = "Requires full node integration - placeholder for governance flow testing"]
312  async fn test_concurrent_proposals() {
313      init_test_logging();
314  
315      // 1. Submit multiple proposals concurrently
316      // 2. Vote on each
317      // 3. Verify each is processed correctly
318      // 4. Verify audit log has entries for all
319  }