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core: remove unused blockchain API

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`(*Blockchain).HasTransaction` is one of the oldest methods in our
codebase, and currently it's completely unused. I also doubt that
this method works as expected because it returns `true` if transaction
in the mempool.

Signed-off-by: Anna Shaleva <shaleva.ann@nspcc.ru>
This commit is contained in:
Anna Shaleva 2023-07-14 10:51:17 +03:00
parent e7a83cbef9
commit edd4f390ad
1 changed files with 0 additions and 9 deletions
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9
pkg/core/blockchain.go
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@ -2174,15 +2174,6 @@ func (bc *Blockchain) GetHeader(hash util.Uint256) (*block.Header, error) {
return &block.Header, nil
}
// HasTransaction returns true if the blockchain contains he given
// transaction hash.
func (bc *Blockchain) HasTransaction(hash util.Uint256) bool {
if bc.memPool.ContainsKey(hash) {
return true
}
return errors.Is(bc.dao.HasTransaction(hash), dao.ErrAlreadyExists)
}
// HasBlock returns true if the blockchain contains the given
// block hash.
func (bc *Blockchain) HasBlock(hash util.Uint256) bool {