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Ganache CLIって何なの?マイニングせずに動くけどどうなってるの?

Ganache CLIとは何か?

Ganache CLIはイーサリアムのエミュレーターです。実際のイーサリアムノードを起動するコスト無しに、イーサリアムのような挙動するものを起動でき、主に開発目的で利用します。

Ganacheの特徴

Ganacheで起動するイーサリアムは実際のイーサリアムと次の点で異なります。
- トランザクションは即時にマイニングされる
- トランザクションコスト不要
- Etherを所有したアカウントの自動発行
- Gasやマイニングスピードを自由に設定可能

開発で実際にEtherコストやマイニングの時間を消費する訳にはいかないの、Ganacheは必須のライブラリとなるでしょう。

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