Return policy input with verification result (#56)

pkg/attest/verify.go

@@ -60,6 +60,7 @@ func ToPolicyResult(p *policy.Policy, input *policy.PolicyInput, result *policy.
 		Policy:     p,
 		Outcome:    outcome,
 		Violations: result.Violations,
+		Input:      input,
 		VSA: &intoto.Statement{
 			StatementHeader: intoto.StatementHeader{
 				PredicateType: attestation.VSAPredicateType,

pkg/attest/verify_test.go

@@ -106,6 +106,11 @@ func TestVSA(t *testing.T) {
 	assert.Equal(t, OutcomeSuccess, results.Outcome)
 	assert.Empty(t, results.Violations)
 
+	if assert.NotNil(t, results.Input) {
+		assert.Equal(t, "sha256:da8b190665956ea07890a0273e2a9c96bfe291662f08e2860e868eef69c34620", results.Input.Digest)
+		assert.False(t, results.Input.IsCanonical)
+	}
+
 	assert.Equal(t, intoto.StatementInTotoV01, results.VSA.Type)
 	assert.Equal(t, attestation.VSAPredicateType, results.VSA.PredicateType)
 	assert.Len(t, results.VSA.Subject, 1)