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mempool: use capacity parameter to avoid map reallocations

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Which is what happens in AddBlock that fills a new pool with exactly the
number of transactions we know already.
This commit is contained in:
Roman Khimov 2021-11-30 19:19:43 +03:00
parent e236ac4067
commit 428ba48444
1 changed files with 1 additions and 1 deletions
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pkg/core/mempool/mem_pool.go
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@ -422,7 +422,7 @@ func (mp *Pool) checkPolicy(tx *transaction.Transaction, policyChanged bool) boo
// New returns a new Pool struct. // New returns a new Pool struct.
func New(capacity int, payerIndex int, enableSubscriptions bool) *Pool { func New(capacity int, payerIndex int, enableSubscriptions bool) *Pool {
mp := &Pool{ mp := &Pool{
verifiedMap: make(map[util.Uint256]*transaction.Transaction), verifiedMap: make(map[util.Uint256]*transaction.Transaction, capacity),
verifiedTxes: make([]item, 0, capacity), verifiedTxes: make([]item, 0, capacity),
capacity: capacity, capacity: capacity,
payerIndex: payerIndex, payerIndex: payerIndex,