extracting functions from main file
eoor with tabs
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Revert "."

This reverts commit dbcb7201ff38bc701b5acce416370750e5aff507.
Revert "eoor with tabs"

This reverts commit 8b393481dafa789ce5729e1fdcaa0fe09d5ee183.
changed "includes" for "require"
audit, first version
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\n
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full audit for v2, test version
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typo
debug
negative value
fix fee
validating states
there's no shuch thing as v2 and v3. the bug was in audit;