github.com/mysteriumnetwork/node@v0.0.0-20240516044423-365054f76801/core/beneficiary/provider.go (about)

     1  /*
     2   * Copyright (C) 2021 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 beneficiary
    19  
    20  import (
    21  	"github.com/ethereum/go-ethereum/common"
    22  )
    23  
    24  // Provider describes a beneficiary provider.
    25  type Provider struct {
    26  	bc      multiChainBC
    27  	ad      addressProvider
    28  	chainID int64
    29  }
    30  
    31  // NewProvider returns a new beneficiary handler according to the given chain.
    32  func NewProvider(currentChain int64, ad addressProvider, st storage, bc multiChainBC) *Provider {
    33  	return &Provider{
    34  		chainID: currentChain,
    35  		bc:      bc,
    36  		ad:      ad,
    37  	}
    38  }
    39  
    40  // GetBeneficiary looks up beneficiary address in the blockchain.
    41  func (b *Provider) GetBeneficiary(identity common.Address) (common.Address, error) {
    42  	registryAddr, err := b.ad.GetRegistryAddress(b.chainID)
    43  	if err != nil {
    44  		return common.Address{}, err
    45  	}
    46  
    47  	return b.bc.GetBeneficiary(b.chainID, registryAddr, identity)
    48  }