client: Support non-8-byte discriminators #3125
Merged
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Problem
anchor-client
assumes discriminator length to always equal 8:https://github.com/coral-xyz/anchor/blob/9fce3dfc9c534116238326e7f628d6827dc03988/client/src/lib.rs#L385-L391
Summary of changes
Get the discriminator length dynamically rather than hardcoding as 8.
Note: This PR is part of a greater effort explained in #3097.