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https://github.com/ethereum/go-ethereum.git
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c4c2b1ce8d
## Why this should be merged Allow calls to `core.SetupGenesisBlock()` when `hookstest.Stub` is registered as a `ChainConfig` extra. ## How this works Implements `json.Marshaler` and `json.Unmarshaler` interfaces. ## How this was tested Unit test of the root cause and the desired usage.
59 lines
2 KiB
Go
59 lines
2 KiB
Go
// Copyright 2024-2025 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 hookstest
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import (
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"os"
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"testing"
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"github.com/stretchr/testify/require"
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"golang.org/x/exp/slog"
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"github.com/ava-labs/libevm/common"
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"github.com/ava-labs/libevm/core"
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"github.com/ava-labs/libevm/core/rawdb"
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"github.com/ava-labs/libevm/libevm/ethtest"
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"github.com/ava-labs/libevm/log"
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"github.com/ava-labs/libevm/params"
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)
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func TestSetupGenesisBlockWithStub(t *testing.T) {
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// The original bug was due to [Stub] resulting in an error when being
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// marshalled to JSON for [rawdb.WriteChainConfig], which resulted in
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// [log.Crit] being called.
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l := log.Root()
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t.Cleanup(func() { log.SetDefault(l) })
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log.SetDefault(log.NewLogger(slog.NewTextHandler(os.Stderr, nil)))
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stub := &Stub{}
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extras := stub.Register(t)
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config := ¶ms.ChainConfig{}
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extras.ChainConfig.Set(config, stub)
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gen := &core.Genesis{
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Config: config,
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}
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db, cache, _ := ethtest.NewEmptyStateDB(t)
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// An eventual call to this function was the root cause.
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rawdb.WriteChainConfig(db, common.Hash{1, 2, 3, 4, 5, 6}, config)
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// Also check calls to this function, which was the desired behaviour.
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_, _, err := core.SetupGenesisBlock(db, cache.TrieDB(), gen)
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require.NoError(t, err, "core.SetupGenesisBlock([%T with %T as registered %T extra])", gen, stub, config)
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}
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