103 lines
2.7 KiB
Go
103 lines
2.7 KiB
Go
// Copyright 2020 Coinbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package services
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import (
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"context"
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"github.com/lbryio/rosetta-lbry/configuration"
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"github.com/lbryio/rosetta-sdk-go/server"
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"github.com/lbryio/rosetta-sdk-go/types"
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)
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// BlockAPIService implements the server.BlockAPIServicer interface.
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type BlockAPIService struct {
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config *configuration.Configuration
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i Indexer
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}
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// NewBlockAPIService creates a new instance of a BlockAPIService.
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func NewBlockAPIService(
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config *configuration.Configuration,
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i Indexer,
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) server.BlockAPIServicer {
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return &BlockAPIService{
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config: config,
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i: i,
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}
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}
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// Block implements the /block endpoint.
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func (s *BlockAPIService) Block(
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ctx context.Context,
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request *types.BlockRequest,
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) (*types.BlockResponse, *types.Error) {
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if s.config.Mode != configuration.Online {
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return nil, wrapErr(ErrUnavailableOffline, nil)
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}
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blockResponse, err := s.i.GetBlockLazy(ctx, request.BlockIdentifier)
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if err != nil {
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return nil, wrapErr(ErrBlockNotFound, err)
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}
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// Direct client to fetch transactions individually if
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// more than inlineFetchLimit.
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if len(blockResponse.OtherTransactions) > inlineFetchLimit {
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return blockResponse, nil
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}
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txs := make([]*types.Transaction, len(blockResponse.OtherTransactions))
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for i, otherTx := range blockResponse.OtherTransactions {
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transaction, err := s.i.GetBlockTransaction(
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ctx,
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blockResponse.Block.BlockIdentifier,
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otherTx,
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)
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if err != nil {
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return nil, wrapErr(ErrTransactionNotFound, err)
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}
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txs[i] = transaction
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}
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blockResponse.Block.Transactions = txs
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blockResponse.OtherTransactions = nil
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return blockResponse, nil
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}
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// BlockTransaction implements the /block/transaction endpoint.
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func (s *BlockAPIService) BlockTransaction(
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ctx context.Context,
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request *types.BlockTransactionRequest,
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) (*types.BlockTransactionResponse, *types.Error) {
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if s.config.Mode != configuration.Online {
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return nil, wrapErr(ErrUnavailableOffline, nil)
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}
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transaction, err := s.i.GetBlockTransaction(
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ctx,
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request.BlockIdentifier,
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request.TransactionIdentifier,
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)
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if err != nil {
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return nil, wrapErr(ErrTransactionNotFound, err)
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}
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return &types.BlockTransactionResponse{
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Transaction: transaction,
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}, nil
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}
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