SCSVS-COMM-3
S5.3 Cross-Chain Interactions
Control Objective
Ensure secure handling of external calls and atomic swaps during cross-chain interactions to maintain operational reliability and prevent fraud.
S5.3.A Handling External Calls Securely
| SCSVS VR ID |
Requirement |
L1 |
L2 |
L3 |
SWE |
| S5.3.A1 |
Ensure that parameters for Chainlink VRF (Verifiable Random Function) are thoroughly validated to prevent the fulfillRandomWord function from returning incorrect values instead of reverting. |
|
✓ |
✓ |
|
| S5.3.A2 |
Implement robust security checks for cross-chain messaging to ensure correct permissions and intended functionality. |
|
✓ |
✓ |
|
| S5.3.A3 |
Verify that contracts created using the CREATE opcode handle block reorganizations securely to prevent unexpected eliminations. |
|
✓ |
✓ |
|
| S5.3.A4 |
Ensure robust cross-chain messaging security checks to prevent replay attacks where signatures valid on one chain might be exploited on another. |
|
✓ |
✓ |
|
S5.3.B Atomic Swaps
| SCSVS VR ID |
Requirement |
L1 |
L2 |
L3 |
SWE |
| S5.3.B1 |
Verify that the smart contract supports atomic swaps with robust mechanisms to ensure that swaps are completed successfully or not executed at all. |
|
✓ |
✓ |
|
| S5.3.B2 |
Ensure that the smart contract includes checks to validate the atomic swap conditions and prevent partial or fraudulent swaps. |
|
✓ |
✓ |
|
| S5.3.B3 |
Check that the smart contract handles potential failures or disputes in atomic swaps securely and fairly. |
|
✓ |
✓ |
|
| S5.3.B4 |
Verify that the atomic swap functionality is tested thoroughly to cover various scenarios and edge cases. |
|
✓ |
✓ |
|