| 44 | |
| 45 | // Helper function to call the precompile via ABI-encoded calldata |
| 46 | async function callVerify( |
| 47 | vk: Hex, |
| 48 | msg: Hex, |
| 49 | sig: Hex, |
| 50 | ): Promise<{ result: boolean; gasUsed: bigint; success: boolean; error?: string; details?: string }> { |
| 51 | try { |
| 52 | const calldata = encodeFunctionData({ |
| 53 | abi: PQ.abi, |
| 54 | functionName: 'verifySlhDsaSha2128s', |
| 55 | args: [vk, msg, sig], |
| 56 | }) |
| 57 | |
| 58 | const result = await publicClient.call({ |
| 59 | to: PQ.address, |
| 60 | data: calldata, |
| 61 | }) |
| 62 | |
| 63 | // Decode the boolean result |
| 64 | const isValid = result.data === '0x0000000000000000000000000000000000000000000000000000000000000001' |
| 65 | |
| 66 | // Estimate gas |
| 67 | const gasEstimate = await publicClient.estimateGas({ |
| 68 | to: PQ.address, |
| 69 | data: calldata, |
| 70 | }) |
| 71 | |
| 72 | return { result: isValid, gasUsed: gasEstimate, success: true } |
| 73 | } catch (error: unknown) { |
| 74 | let errorMessage = '' |
| 75 | let errorDetails = '' |
| 76 | if (error && typeof error === 'object') { |
| 77 | const err = error as Record<string, unknown> |
| 78 | errorMessage = (err.shortMessage as string) || (err.message as string) || JSON.stringify(err) |
| 79 | errorDetails = (err.details as string) || '' |
| 80 | } else { |
| 81 | errorMessage = String(error) |
| 82 | } |
| 83 | return { |
| 84 | result: false, |
| 85 | gasUsed: 0n, |
| 86 | success: false, |
| 87 | error: errorMessage, |
| 88 | details: errorDetails, |
| 89 | } |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | describe('SLH-DSA-SHA2-128s Signature Verification', () => { |
| 94 | it('should verify valid SLH-DSA-SHA2-128s signature', async () => { |