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use deduct_value() instead of delta_token_balance() for subtracting tokens #857

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qizhou merged 1 commit into master from deduct

Mar 25, 2020

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qizhou commented Mar 25, 2020

deduct_value() will check if there is sufficient balance, and thus using deduct_value() with check() will automatically prevent integer underflow.


          use deduct_value() instead of delta_token_balance() for substracting …

9ecd4d3

…tokens

qizhou requested a review from a team

March 25, 2020 06:08

ninjaahhh approved these changes

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qizhou merged commit f37754c into master

qizhou deleted the deduct branch

March 25, 2020 21:10

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