func (i IsNullChecker) IsFormat(data string) bool {
return govalidator.IsNull(data)
}
// enable a service to issuer status
func (c *ServiceController) EnableIssuer(params martini.Params, res http.ResponseWriter, req services.AuxRequestContext, db *services.DB) {
// parse request body
var body enableIssuerBody
if err := c.ParseJsonBody(req, &body); err != nil {
services.Res(res).Error(400, "invalid_client", "request body is invalid or malformed. Expects valid json body")
return
}
// service id is required
if c.validate.IsEmpty(body.ServiceID) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: service_id")
return
}
// ensure service exists
service, found, err := models.FindServiceByObjectID(db.GetPostgresHandle(), body.ServiceID)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
} else if !found {
services.Res(res).Error(404, "not_found", "service was not found")
return
}
// object name is required
if c.validate.IsEmpty(body.ObjectName) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: object_name")
return
}
// ensure no other service has used the object name
identity, found, err := models.FindIdentityByObjectName(db.GetPostgresHandle(), body.ObjectName)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
} else if found && identity.ObjectID != service.Identity.ObjectID {
services.Res(res).Error(400, "invalid_object_name", "object name is not available, try a unique name")
return
}
// base currency is required
if validator.IsNull(body.BaseCurrency) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: base_currency")
return
}
// base currency must be supported
if !services.StringInStringSlice(config.SupportedBaseCurrencies, body.BaseCurrency) {
services.Res(res).Error(400, "invalid_base_currency", "base currency is unknown")
return
}
// set issuer to true
service.Identity.Issuer = true
service.Identity.ObjectName = strings.ToLower(body.ObjectName)
service.Identity.BaseCurrency = body.BaseCurrency
db.GetPostgresHandle().Save(&service)
respObj, _ := services.StructToJsonToMap(service)
respObj["identity"].(map[string]interface{})["soul_balance"] = service.Identity.SoulBalance
services.Res(res).Json(respObj)
}
// create an identity
func (c *IdentityController) Create(res http.ResponseWriter, req services.AuxRequestContext, db *services.DB) {
// parse request body
var body identityCreateBody
if err := c.ParseJsonBody(req, &body); err != nil {
services.Res(res).Error(400, "invalid_body", "request body is invalid or malformed. Expects valid json body")
return
}
// full name is required
if validator.IsNull(body.FullName) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: full_name")
return
}
// email is required
if validator.IsNull(body.Email) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: email")
return
}
// email is required
if !validator.IsEmail(body.Email) {
services.Res(res).Error(400, "invalid_email", "email is invalid")
return
}
// create identity
newIdentity := models.Identity{
ObjectID: bson.NewObjectId().Hex(),
FullName: body.FullName,
Email: body.Email,
}
// if request is from Issuer controller, set issuer field to true
if d := req.GetData("isIssuer"); d != nil && d.(bool) {
// object is required
if validator.IsNull(body.ObjectName) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: object_name")
return
}
// base currency is required
if validator.IsNull(body.BaseCurrency) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: base_currency")
return
}
// base currency must be supported
if !services.StringInStringSlice(config.SupportedBaseCurrencies, body.BaseCurrency) {
services.Res(res).Error(400, "invalid_base_currency", "base currency is unknown")
return
}
newIdentity.Issuer = true
newIdentity.ObjectName = body.ObjectName
newIdentity.BaseCurrency = body.BaseCurrency
}
err := models.CreateIdentity(db.GetPostgresHandle(), &newIdentity)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// create response
respObj, _ := services.StructToJsonToMap(newIdentity)
if newIdentity.Issuer {
respObj["soul_balance"] = newIdentity.SoulBalance
}
services.Res(res).Json(respObj)
}
// renew an issuer identity soul
func (c *IdentityController) RenewSoul(res http.ResponseWriter, req services.AuxRequestContext, db *services.DB) {
// parse request body
var body soulRenewBody
if err := c.ParseJsonBody(req, &body); err != nil {
services.Res(res).Error(400, "invalid_body", "request body is invalid or malformed. Expects valid json body")
return
}
// identity id is required
if validator.IsNull(body.IdentityId) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: identity_id")
return
}
// soul balance is required
if body.SoulBalance == 0 {
services.Res(res).Error(400, "missing_parameter", "Missing required field: soul_balance")
return
}
// soul balance must be greater than zero
if body.SoulBalance < MinimumObjectUnit {
services.Res(res).Error(400, "invalid_soul_balance", "Soul balance must be equal or greater than minimum object unit which is 0.00000001")
return
}
// ensure identity exists
identity, found, err := models.FindIdentityByObjectID(db.GetPostgresHandle(), body.IdentityId)
if !found {
services.Res(res).Error(404, "invalid_identity", "identity_id is unknown")
return
} else if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// ensure identity is an issuer
if !identity.Issuer {
services.Res(res).Error(400, "invalid_identity", "identity is not an issuer")
return
}
// add to soul balance
newIdentity, err := models.AddToSoulByObjectID(db.GetPostgresHandle(), identity.ObjectID, body.SoulBalance)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// create response, hide some fields
respObj, _ := services.StructToJsonToMap(newIdentity)
if newIdentity.Issuer {
respObj["soul_balance"] = newIdentity.SoulBalance
}
services.Res(res).Json(respObj)
}
// create a wallet
func (c *WalletController) Create(res http.ResponseWriter, req services.AuxRequestContext, db *services.DB) {
// parse body
var body walletCreateBody
if err := c.ParseJsonBody(req, &body); err != nil {
services.Res(res).Error(400, "invalid_body", "request body is invalid or malformed. Expects valid json body")
return
}
// identity id is required
if validator.IsNull(body.IdentityId) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: identity_id")
return
}
// handle is required
if validator.IsNull(body.Handle) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: handle")
return
}
// password is required
if validator.IsNull(body.Password) {
services.Res(res).Error(400, "missing_parameter", "Missing required field: password")
return
}
// identity id must exist
identity, found, err := models.FindIdentityByObjectID(db.GetPostgresHandle(), body.IdentityId)
if !found {
services.Res(res).Error(404, "invalid_identity", "identity_id is unknown")
return
} else if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// handle must be unique across wallets
_, found, err = models.FindWalletByHandle(db.GetPostgresHandle(), body.Handle)
if found {
services.Res(res).Error(400, "handle_registered", "handle has been registered to another wallet")
return
} else if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// password length must be 6 characters
if len(body.Password) < 6 {
services.Res(res).Error(400, "invalid_password", "password is too short. minimum length is 6 characters")
return
}
// securely hash password
hashedPassword, err := services.Bcrypt(body.Password, 10)
if err != nil {
c.log.Error("unable to hash password. reason: " + err.Error())
services.Res(res).Error(500, "", "server error")
return
} else {
body.Password = hashedPassword
}
// create wallet object
newWallet := models.Wallet{
ObjectID: bson.NewObjectId().Hex(),
Identity: identity,
Handle: body.Handle,
Password: body.Password,
}
// create wallet
err = models.CreateWallet(db.GetPostgresHandle(), &newWallet)
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
respObj, _ := services.StructToJsonToMap(newWallet)
services.Res(res).Json(respObj)
}
// create object controller
func (c *ObjectController) Create(res http.ResponseWriter, req services.AuxRequestContext, log *config.CustomLog, db *services.DB) {
// parse body
var body objectCreateBody
if err := c.ParseJsonBody(req, &body); err != nil {
services.Res(res).Error(400, "invalid_body", "request body is invalid or malformed. Expects valid json body")
return
}
// TODO: get client id from access token
clientID := "kl14zFDq4SHlmmmVNHgLtE0LqCo8BTjyShOH"
// get db transaction object
dbTx, err := db.GetPostgresHandleWithRepeatableReadTrans()
if err != nil {
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
// get service
service, _, _ := models.FindServiceByClientId(dbTx, clientID)
// ensure service is an issuer
if !service.Identity.Issuer {
dbTx.Rollback()
services.Res(res).Error(401, "unauthorized_service", "service is not an issuer")
return
}
// type is required
if validator.IsNull(body.Type) {
dbTx.Rollback()
services.Res(res).Error(400, "missing_parameter", "Missing required field: type")
return
}
// ensure type is valid
if strings.ToLower(body.Type) != models.ObjectValue && strings.ToLower(body.Type) != models.ObjectValueless {
dbTx.Rollback()
services.Res(res).Error(400, "invalid_type", "type can only be obj_value or obj_valueless")
return
}
// wallet id is required
if validator.IsNull(body.WalletID) {
dbTx.Rollback()
services.Res(res).Error(400, "missing_parameter", "Missing required field: wallet_id")
return
}
// ensure number of objects is greater than 0
if body.NumberOfObjects < 1 {
dbTx.Rollback()
services.Res(res).Error(400, "invalid_number_objects", "number_objects must be atleast 1 but not more than 100")
return
}
// ensure number of objects is not greater than 100(the limit)
if body.NumberOfObjects > 100 {
dbTx.Rollback()
services.Res(res).Error(400, "invalid_number_objects", "number_objects must not be more than 100")
return
}
// for object of value, validate unit per object
if strings.ToLower(body.Type) == models.ObjectValue {
if body.BalancePerObject == 0 {
dbTx.Rollback()
services.Res(res).Error(400, "missing_parameter", "Missing required field: unit_per_object")
return
}
if body.BalancePerObject < MinimumObjectUnit {
dbTx.Rollback()
services.Res(res).Error(400, "invalid_unit_per_object", "unit_per_object must be equal or greater than the minimum object unit which is 0.00000001")
return
}
soulBalanceRequired := float64(body.NumberOfObjects) * body.BalancePerObject
if service.Identity.SoulBalance < soulBalanceRequired {
dbTx.Rollback()
services.Res(res).Error(400, "insufficient_soul_balance", fmt.Sprintf("not enough soul balance to create object(s). Requires %.2f soul balance", soulBalanceRequired))
return
}
// update services soul balance
service.Identity.SoulBalance = service.Identity.SoulBalance - soulBalanceRequired
}
// if meta is provided, ensure it is not greater than the limit size
if !c.validate.IsEmpty(body.Meta) && len([]byte(body.Meta)) > MaxMetaSize {
dbTx.Rollback()
services.Res(res).Error(400, "invalid_meta_size", fmt.Sprintf("Meta contains too much data. Max size is %d bytes", MaxMetaSize))
return
}
// ensure wallet exists
wallet, found, err := models.FindWalletByObjectID(dbTx, body.WalletID)
if err != nil {
dbTx.Rollback()
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
} else if !found {
dbTx.Rollback()
services.Res(res).Error(404, "invalid_wallet", "wallet_id is unknown")
return
}
// ensure service owns the wallet
if service.Identity.ObjectID != wallet.Identity.ObjectID {
dbTx.Rollback()
services.Res(res).Error(401, "invalid_wallet", "wallet is not owned by this service. Use a wallet created by this service")
return
}
// create objects
allNewObjects := []models.Object{}
for i := 0; i < body.NumberOfObjects; i++ {
// generate a pin
countryCallCode := config.CurrencyCallCodes[strings.ToUpper(service.Identity.BaseCurrency)]
newPin, err := services.NewObjectPin(strconv.Itoa(countryCallCode))
if err != nil {
dbTx.Rollback()
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
newObj := NewObject(newPin, body.Type, service, wallet, body.BalancePerObject, body.Meta)
err = models.CreateObject(dbTx, &newObj)
if err != nil {
dbTx.Rollback()
c.log.Error(err.Error())
services.Res(res).Error(500, "", "server error")
return
}
allNewObjects = append(allNewObjects, newObj)
}
// update identity's soul balance
dbTx.Save(service.Identity).Commit()
services.Res(res).Json(allNewObjects)
}