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result.go
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result.go
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package verification
// Requirement represents a validation check that needs to pass in order for a Verified form a consensus type to be issued.
type Requirement int
// results collects positive verification results.
// This bitmap can be used to test which verifications have been successfully completed in order to
// decide whether it is safe to issue a "Verified" type variant.
type results struct {
done map[Requirement]error
reqs []Requirement
}
func newResults(reqs ...Requirement) *results {
return &results{done: make(map[Requirement]error, len(reqs)), reqs: reqs}
}
func (r *results) record(req Requirement, err error) {
r.done[req] = err
}
// allSatisfied returns true if there is a nil error result for every Requirement.
func (r *results) allSatisfied() bool {
if len(r.done) != len(r.reqs) {
return false
}
for i := range r.reqs {
err, ok := r.done[r.reqs[i]]
if !ok || err != nil {
return false
}
}
return true
}
func (r *results) executed(req Requirement) bool {
_, ok := r.done[req]
return ok
}
func (r *results) result(req Requirement) error {
return r.done[req]
}
func (r *results) errors(err error) error {
return newVerificationMultiError(r, err)
}
func (r *results) failures() map[Requirement]error {
fail := make(map[Requirement]error, len(r.done))
for i := range r.reqs {
req := r.reqs[i]
err, ok := r.done[req]
if !ok {
fail[req] = ErrMissingVerification
continue
}
if err != nil {
fail[req] = err
}
}
return fail
}