ipfs-ethdb/mock_blockservice.go

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// VulcanizeDB
// Copyright © 2020 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package ipfsethdb
import (
"context"
"errors"
blocks "github.com/ipfs/go-block-format"
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"github.com/ipfs/go-blockservice"
"github.com/ipfs/go-cid"
blockstore "github.com/ipfs/go-ipfs-blockstore"
exchange "github.com/ipfs/go-ipfs-exchange-interface"
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)
var (
blockNotFoundErr = errors.New("block not found")
)
type MockBlockservice struct {
blockStore *MockBlockstore
err error
}
func NewMockBlockservice() blockservice.BlockService {
return &MockBlockservice{
blockStore: &MockBlockstore{
blocks: make(map[string]blocks.Block),
},
}
}
func (mbs *MockBlockservice) Blockstore() blockstore.Blockstore {
return mbs.blockStore
}
func (mbs *MockBlockservice) Exchange() exchange.Interface {
panic("Exchange: implement me")
}
func (mbs *MockBlockservice) AddBlock(ctx context.Context, b blocks.Block) error {
return mbs.blockStore.Put(ctx, b)
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}
func (mbs *MockBlockservice) AddBlocks(ctx context.Context, bs []blocks.Block) error {
return mbs.blockStore.PutMany(ctx, bs)
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}
func (mbs *MockBlockservice) DeleteBlock(ctx context.Context, c cid.Cid) error {
return mbs.blockStore.DeleteBlock(ctx, c)
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}
func (mbs *MockBlockservice) GetBlock(ctx context.Context, c cid.Cid) (blocks.Block, error) {
return mbs.blockStore.Get(ctx, c)
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}
func (mbs *MockBlockservice) GetBlocks(ctx context.Context, cs []cid.Cid) <-chan blocks.Block {
blockChan := make(chan blocks.Block)
go func() {
for _, c := range cs {
if b, err := mbs.blockStore.Get(ctx, c); err == nil {
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blockChan <- b
}
}
}()
return blockChan
}
func (mbs *MockBlockservice) Close() error {
return mbs.err
}
func (mbs *MockBlockservice) SetError(err error) {
mbs.err = err
}
type MockBlockstore struct {
blocks map[string]blocks.Block
err error
}
func (mbs *MockBlockstore) DeleteBlock(ctx context.Context, c cid.Cid) error {
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delete(mbs.blocks, c.String())
return mbs.err
}
func (mbs *MockBlockstore) Has(ctx context.Context, c cid.Cid) (bool, error) {
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_, ok := mbs.blocks[c.String()]
return ok, mbs.err
}
func (mbs *MockBlockstore) Get(ctx context.Context, c cid.Cid) (blocks.Block, error) {
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obj, ok := mbs.blocks[c.String()]
if !ok {
return nil, blockNotFoundErr
}
return obj, mbs.err
}
func (mbs *MockBlockstore) GetSize(ctx context.Context, c cid.Cid) (int, error) {
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obj, ok := mbs.blocks[c.String()]
if !ok {
return 0, blockNotFoundErr
}
return len(obj.RawData()), mbs.err
}
func (mbs *MockBlockstore) Put(ctx context.Context, b blocks.Block) error {
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mbs.blocks[b.Cid().String()] = b
return mbs.err
}
func (mbs *MockBlockstore) PutMany(ctx context.Context, bs []blocks.Block) error {
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for _, b := range bs {
mbs.blocks[b.Cid().String()] = b
}
return mbs.err
}
func (mbs *MockBlockstore) AllKeysChan(ctx context.Context) (<-chan cid.Cid, error) {
panic("AllKeysChan: implement me")
}
func (mbs *MockBlockstore) HashOnRead(enabled bool) {
panic("HasOnRead: implement me")
}
func (mbs *MockBlockstore) SetError(err error) {
mbs.err = err
}