[kraken futures] fix, instruments to uppercase

knowm / XChange

XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.

http://knowm.org/open-source/xchange/

MIT License

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[kraken futures] fix, instruments to uppercase #4787

Closed rizer1980 closed 10 months ago

rizer1980 commented 11 months ago

fix kraken futures stream also. all pulibc test are passed, hope it's last commit