128 lines
3.4 KiB
Go
128 lines
3.4 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 the current balance,
|
|
// return all coins for an address and calculate
|
|
// the balance from those coins.
|
|
if request.BlockIdentifier == 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,
|
|
Balances: []*types.Amount{
|
|
{
|
|
Value: balance,
|
|
Currency: s.config.Currency,
|
|
},
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
// 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
|
|
}
|