fix linter

verifiable/proof.go

@@ -86,6 +86,7 @@ type ZKProof struct {
 // ProofType is a type that must be used for proof definition
 type ProofType string
 
+// String returns string representation of ProofType
 func (p ProofType) String() string {
 	return string(p)
 }
@@ -97,6 +98,7 @@ var (
 	SignatureProofType ProofType = "signature"
 )
 
+// ProofRequest is a request for zk / signature proof generation
 type ProofRequest interface {
 	GetType() ProofType
 	GetRules() map[string]interface{}
@@ -112,15 +114,22 @@ type ZeroKnowledgeProofRequest struct {
 	Rules     map[string]interface{} `json:"rules,omitempty"`
 }
 
+// GetType returns type from zkp request
 func (r *ZeroKnowledgeProofRequest) GetType() ProofType {
 	return r.Type
 }
+
+// GetID returns id from zkp request
 func (r *ZeroKnowledgeProofRequest) GetID() string {
 	return r.CircuitID
 }
+
+// GetRules rules from zkp request
 func (r *ZeroKnowledgeProofRequest) GetRules() map[string]interface{} {
 	return r.Rules
 }
+
+// GetChallenge challenge from zkp request
 func (r *ZeroKnowledgeProofRequest) GetChallenge() *big.Int {
 	return r.Challenge
 }