github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/identity/registry/affiliator.go (about)

     1  /*
     2   * Copyright (C) 2019 The "MysteriumNetwork/node" Authors.
     3   *
     4   * This program is free software: you can redistribute it and/or modify
     5   * it under the terms of the GNU General Public License as published by
     6   * the Free Software Foundation, either version 3 of the License, or
     7   * (at your option) any later version.
     8   *
     9   * This program is distributed in the hope that it will be useful,
    10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12   * GNU General Public License for more details.
    13   *
    14   * You should have received a copy of the GNU General Public License
    15   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    16   */
    17  
    18  package registry
    19  
    20  import (
    21  	"fmt"
    22  	"math/big"
    23  
    24  	"github.com/pkg/errors"
    25  
    26  	"github.com/mysteriumnetwork/node/requests"
    27  )
    28  
    29  // Affiliator allows for convenient calls to the affiliator service
    30  type Affiliator struct {
    31  	httpClient      *requests.HTTPClient
    32  	endpointAddress string
    33  }
    34  
    35  // NewAffiliator creates and returns new Affiliator instance
    36  func NewAffiliator(httpClient *requests.HTTPClient, endpointAddress string) *Affiliator {
    37  	return &Affiliator{
    38  		httpClient:      httpClient,
    39  		endpointAddress: endpointAddress,
    40  	}
    41  }
    42  
    43  // RegistrationTokenReward returns the amount of MYST rewarder for token used.
    44  func (t *Affiliator) RegistrationTokenReward(token string) (*big.Int, error) {
    45  	req, err := requests.NewGetRequest(t.endpointAddress, fmt.Sprintf("register-reward/token/%s", token), nil)
    46  	if err != nil {
    47  		return nil, errors.Wrap(err, "failed to get token reward amount")
    48  	}
    49  
    50  	var resp struct {
    51  		Reward string `json:"reward"`
    52  	}
    53  
    54  	err = t.httpClient.DoRequestAndParseResponse(req, &resp)
    55  	if err != nil {
    56  		return nil, errors.Wrap(err, "failed to get token reward amount")
    57  	}
    58  	reward, _ := new(big.Int).SetString(resp.Reward, 10)
    59  
    60  	return reward, err
    61  }