Fix parallel transfers between same two peers #254
Merged
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Goals
HAT TIP @tchardin !!! You may have caught a fairly critical bug.
Your bug report and submitted test revealed a serious issue in the go-graphsync responder implementation.
Implementation
This PR contains some fixes to @tchardin 's test to insure it properly catches the issue in question, and then an update to go-graphsync (ipfs/go-graphsync#211) that fixes the issue.