# week5

By [Untitled](https://paragraph.com/@0x04e20305bce7804c77b3fd413dd3f0560e3fa2f5) · 2022-10-19

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This tutorial is quite difficult. I have tested it many times before I succeed. Today I learned how to use chainlink's vft, and it feels great.

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*Originally published on [Untitled](https://paragraph.com/@0x04e20305bce7804c77b3fd413dd3f0560e3fa2f5/week5)*