mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-06-21 14:14:30 +00:00
54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
// Copyright 2024 the libevm authors.
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//
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// The libevm additions to go-ethereum are free software: you can redistribute
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// them and/or modify them under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation, either version 3 of the License,
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// or (at your option) any later version.
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//
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// The libevm additions are distributed in the hope that they will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
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// General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see
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// <http://www.gnu.org/licenses/>.
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package triedb
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import (
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/ava-labs/libevm/common"
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"github.com/ava-labs/libevm/ethdb"
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"github.com/ava-labs/libevm/triedb/database"
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)
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func TestDBOverride(t *testing.T) {
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config := &Config{
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DBOverride: func(d ethdb.Database) DBOverride {
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return override{}
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},
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}
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db := NewDatabase(nil, config)
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got, err := db.Reader(common.Hash{})
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require.NoError(t, err)
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if _, ok := got.(reader); !ok {
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t.Errorf("with non-nil %T.DBOverride, %T.Reader() got concrete type %T; want %T", config, db, got, reader{})
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}
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}
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type override struct {
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PathDB
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}
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type reader struct {
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database.Reader
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}
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func (override) Reader(common.Hash) (database.Reader, error) {
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return reader{}, nil
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}
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