mirror of
https://github.com/ethereum/go-ethereum.git
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84 lines
2.7 KiB
Go
84 lines
2.7 KiB
Go
// Copyright 2026 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it 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
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// GNU Lesser 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 <http://www.gnu.org/licenses/>.
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package txpool
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import (
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/params"
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)
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type nilHeadSubChain struct{}
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type trackedHeadSubChain struct{ nilHeadSubChain }
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func (nilHeadSubChain) Config() *params.ChainConfig { return params.TestChainConfig }
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func (nilHeadSubChain) CurrentBlock() *types.Header { return &types.Header{Root: types.EmptyRootHash} }
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func (nilHeadSubChain) SubscribeChainHeadEvent(chan<- core.ChainHeadEvent) event.Subscription {
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return nil
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}
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func (nilHeadSubChain) StateAt(common.Hash) (*state.StateDB, error) {
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return state.New(types.EmptyRootHash, state.NewDatabaseForTesting())
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}
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func (trackedHeadSubChain) SubscribeChainHeadEvent(chan<- core.ChainHeadEvent) event.Subscription {
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return event.NewSubscription(func(<-chan struct{}) error { return nil })
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}
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func TestTxPoolCloseNilHeadSubscription(t *testing.T) {
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t.Parallel()
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// TxPool.BlockChain exists to allow mocked chains in tests. A mock that
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// opts out of head notifications may return a nil subscription.
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pool, err := New(0, nilHeadSubChain{}, nil)
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if err != nil {
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t.Fatalf("failed to create txpool: %v", err)
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}
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if err := pool.Close(); err != nil {
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t.Fatalf("unexpected close error: %v", err)
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}
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select {
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case <-pool.term:
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case <-time.After(time.Second):
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t.Fatal("timed out waiting for txpool loop termination")
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}
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}
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func TestTxPoolNewTracksHeadSubscription(t *testing.T) {
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t.Parallel()
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pool, err := New(0, trackedHeadSubChain{}, nil)
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if err != nil {
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t.Fatalf("failed to create txpool: %v", err)
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}
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if count := pool.subs.Count(); count != 1 {
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t.Fatalf("unexpected subscription count: have %d want %d", count, 1)
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}
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if err := pool.Close(); err != nil {
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t.Fatalf("unexpected close error: %v", err)
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}
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}
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