Shylock directly confronts Antonio regarding the way Antonio has treated Shylock in the past . What wrongs has Antonio committed against shylock

Shylock feels that Antonio has looked upon him with scorn because he (Shylock) is a Jew and Antonio is a Christian,

He hath disgraced me, and hindered me half a million; laughed at my losses, mocked at my gains, scorned my nation, thwarted my bargains, cooled my friends, heated mine enemies; and what's his reason? I am a Jew.