rosetta-lbry/services/account_service.go
2020-11-13 11:43:36 -08:00

100 lines
2.7 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)
}
// TODO: filter balances by request currencies
// If we are fetching a historical balance,
// use balance storage and don't return coins.
amount, block, err := s.i.GetBalance(
ctx,
request.AccountIdentifier,
s.config.Currency,
request.BlockIdentifier,
)
if err != nil {
return nil, wrapErr(ErrUnableToGetBalance, err)
}
return &types.AccountBalanceResponse{
BlockIdentifier: block,
Balances: []*types.Amount{
amount,
},
}, nil
}
// AccountCoins implements /account/coins.
func (s *AccountAPIService) AccountCoins(
ctx context.Context,
request *types.AccountCoinsRequest,
) (*types.AccountCoinsResponse, *types.Error) {
if s.config.Mode != configuration.Online {
return nil, wrapErr(ErrUnavailableOffline, nil)
}
// TODO: filter coins by request currencies
// TODO: support include_mempool query
// https://github.com/coinbase/rosetta-bitcoin/issues/36#issuecomment-724992022
// Once mempoolcoins are supported also change the bool service/types.go:MempoolCoins to true
coins, block, err := s.i.GetCoins(ctx, request.AccountIdentifier)
if err != nil {
return nil, wrapErr(ErrUnableToGetCoins, err)
}
result := &types.AccountCoinsResponse{
BlockIdentifier: block,
Coins: coins,
}
return result, nil
}