rosetta-lbry/services/account_service.go
2020-09-17 14:40:16 -07:00

75 lines
2 KiB
Go

// Copyright 2020 Coinbase, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package services
import (
"context"
"github.com/coinbase/rosetta-bitcoin/configuration"
"github.com/coinbase/rosetta-sdk-go/server"
"github.com/coinbase/rosetta-sdk-go/types"
)
// AccountAPIService implements the server.AccountAPIServicer interface.
type AccountAPIService struct {
config *configuration.Configuration
i Indexer
}
// NewAccountAPIService returns a new *AccountAPIService.
func NewAccountAPIService(
config *configuration.Configuration,
i Indexer,
) server.AccountAPIServicer {
return &AccountAPIService{
config: config,
i: i,
}
}
// AccountBalance implements /account/balance.
func (s *AccountAPIService) AccountBalance(
ctx context.Context,
request *types.AccountBalanceRequest,
) (*types.AccountBalanceResponse, *types.Error) {
if s.config.Mode != configuration.Online {
return nil, wrapErr(ErrUnavailableOffline, nil)
}
coins, block, err := s.i.GetCoins(ctx, request.AccountIdentifier)
if err != nil {
return nil, wrapErr(ErrUnableToGetCoins, err)
}
balance := "0"
for _, coin := range coins {
balance, err = types.AddValues(balance, coin.Amount.Value)
if err != nil {
return nil, wrapErr(ErrUnableToParseIntermediateResult, err)
}
}
return &types.AccountBalanceResponse{
BlockIdentifier: block,
Coins: coins,
Balances: []*types.Amount{
{
Value: balance,
Currency: s.config.Currency,
},
},
}, nil
}