Double maps require explicit second hasher #44
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robamler
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Aug 5, 2021
Co-authored-by: Dan Forbes <dan@danforbes.dev>
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I thought I learned that from https://crates.parity.io/srml_support/storage/trait.StorageDoubleMap.html, but I don't see any mention of it there. I guess it's oral tradition.
I don't know anything about
twox_128, what the other alternatives are, or their trade-offs. But this does compile now.