Function verifyCommitment

verifyCommitment(
    c: PurchaseCommitment,
    signature: `0x${string}`,
    expectedRole: CommitmentRole,
    expectTermsText?: string,
): Promise<boolean>
Verify a commitment signature.
- Recovers the signer and asserts it equals the address in the field named by expectedRole.
- If expectTermsText is provided, also asserts c.termsHash === keccak256(expectTermsText). Returns true only if all checks pass; never throws on a bad signature.
Parameters
- c: PurchaseCommitment
- signature: `0x${string}`
- expectedRole: CommitmentRole
- OptionalexpectTermsText: string
Returns Promise<boolean>