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models_app_links.go
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/
models_app_links.go
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package types
// DONTCOVER
import (
"encoding/hex"
"fmt"
"strings"
"time"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
)
// NewApplicationLink allows to build a new ApplicationLink instance
func NewApplicationLink(
user string, data Data, state ApplicationLinkState, oracleRequest OracleRequest, result *Result, creationTime time.Time,
) ApplicationLink {
return ApplicationLink{
User: user,
Data: data,
State: state,
OracleRequest: oracleRequest,
Result: result,
CreationTime: creationTime,
}
}
// Validate returns an error if the instance does not contain valid data
func (l ApplicationLink) Validate() error {
_, err := sdk.AccAddressFromBech32(l.User)
if err != nil {
return fmt.Errorf("invalid user address: %s", err)
}
err = l.Data.Validate()
if err != nil {
return err
}
err = l.OracleRequest.Validate()
if err != nil {
return err
}
if l.Result != nil {
err = l.Result.Validate()
if err != nil {
return err
}
}
if l.CreationTime.IsZero() {
return fmt.Errorf("invalid creation time: %s", l.CreationTime)
}
return nil
}
// IsVerificationOngoing tells whether the verification for the link is still ongoing
func (l *ApplicationLink) IsVerificationOngoing() bool {
return l.State == ApplicationLinkStateInitialized || l.State == AppLinkStateVerificationStarted
}
// IsVerificationCompleted tells whether the verification for the link has completed or not
func (l *ApplicationLink) IsVerificationCompleted() bool {
return l.State == AppLinkStateVerificationSuccess ||
l.State == AppLinkStateVerificationError ||
l.State == AppLinkStateVerificationTimedOut
}
// MustMarshalApplicationLink serializes the given application link using the provided BinaryCodec
func MustMarshalApplicationLink(cdc codec.BinaryCodec, link ApplicationLink) []byte {
return cdc.MustMarshal(&link)
}
// MustUnmarshalApplicationLink deserializes the given byte array as an application link using
// the provided BinaryCodec
func MustUnmarshalApplicationLink(cdc codec.BinaryCodec, bz []byte) ApplicationLink {
var link ApplicationLink
cdc.MustUnmarshal(bz, &link)
return link
}
// --------------------------------------------------------------------------------------------------------------------
// NewData allows to build a new Data instance
func NewData(application, username string) Data {
return Data{
Application: application,
Username: username,
}
}
// Validate returns an error if the instance does not contain valid data
func (d Data) Validate() error {
if len(strings.TrimSpace(d.Application)) == 0 {
return fmt.Errorf("application name cannot be empty or blank")
}
if len(strings.TrimSpace(d.Username)) == 0 {
return fmt.Errorf("application username cannot be empty or blank")
}
return nil
}
// --------------------------------------------------------------------------------------------------------------------
// NewOracleRequest allows to build a new OracleRequest instance
func NewOracleRequest(id uint64, scriptID uint64, callData OracleRequest_CallData, clientID string) OracleRequest {
return OracleRequest{
ID: id,
OracleScriptID: scriptID,
CallData: callData,
ClientID: clientID,
}
}
// Validate returns an error if the instance does not contain valid data
func (o OracleRequest) Validate() error {
if o.OracleScriptID <= 0 {
return fmt.Errorf("invalid oracle script id: %d", o.OracleScriptID)
}
err := o.CallData.Validate()
if err != nil {
return err
}
if len(strings.TrimSpace(o.ClientID)) == 0 {
return fmt.Errorf("client id cannot be empty or blank")
}
return nil
}
// NewOracleRequestCallData allows to build a new OracleRequest_CallData instance
func NewOracleRequestCallData(application, callData string) OracleRequest_CallData {
return OracleRequest_CallData{
Application: application,
CallData: callData,
}
}
// Validate returns an error if the instance does not contain valid data
func (c OracleRequest_CallData) Validate() error {
if len(strings.TrimSpace(c.Application)) == 0 {
return fmt.Errorf("application cannot be empty or blank")
}
if len(strings.TrimSpace(c.CallData)) == 0 {
return fmt.Errorf("call data cannot be empty or blank")
}
if _, err := hex.DecodeString(c.CallData); err != nil {
return fmt.Errorf("invalid call data encoding: must be hex")
}
return nil
}
// --------------------------------------------------------------------------------------------------------------------
// Validate returns an error if the instance does not contain valid data
func (r *Result) Validate() error {
var err error
switch result := (r.Sum).(type) {
case *Result_Success_:
err = result.Validate()
case *Result_Failed_:
err = result.Validate()
}
return err
}
// NewErrorResult allows to build a new Result instance representing an error
func NewErrorResult(error string) *Result {
return &Result{
Sum: &Result_Failed_{
Failed: &Result_Failed{
Error: error,
},
},
}
}
// Validate returns an error if the instance does not contain valid data
func (r Result_Failed_) Validate() error {
if len(strings.TrimSpace(r.Failed.Error)) == 0 {
return fmt.Errorf("error message cannot be empty or blank")
}
return nil
}
// NewSuccessResult allows to build a new Result instance representing a success
func NewSuccessResult(value, signature string) *Result {
return &Result{
Sum: &Result_Success_{
Success: &Result_Success{
Value: value,
Signature: signature,
},
},
}
}
// Validate returns an error if the instance does not contain valid data
func (r Result_Success_) Validate() error {
if len(strings.TrimSpace(r.Success.Value)) == 0 {
return fmt.Errorf("value cannot be empty or blank")
}
if len(strings.TrimSpace(r.Success.Signature)) == 0 {
return fmt.Errorf("signature cannot be empty or blank")
}
if _, err := hex.DecodeString(r.Success.Signature); err != nil {
return fmt.Errorf("invalid signature encoding; must be hex")
}
return nil
}