Refundable post delivery crowdsale #1543
Merged
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Fixes #877
Since this is a
PostDeliveryCrowdsale
, tokens will only be granted after it ends, and only if the crowdsale is successful (i.e. the goal is met): therefore, the tokens being issued and purchases being refunded become mutually exclusive scenarios, preventing the issue described.I made the new crowdsale inherit from
RefundableCrowdsale
, but if we chose to deprecate it (i.e.pragma deprecated
or something along those lines) we will probably want to copy the logic into this new contract.