SBF-safe setup#12
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# Conflicts: # solana/rust/switchboard-on-demand-client/Cargo.toml # solana/rust/switchboard-on-demand-client/src/lut_owner.rs # solana/rust/switchboard-on-demand-client/src/pull_feed.rs # solana/rust/switchboard-on-demand/Cargo.toml
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Make
libsecp256k1SBF-safe by disabling default featuresThis changes the
libsecp256k1dependency to disable its default feature set and enable onlystatic-context.The previous configuration enabled
std/hmactransitively, which pulled inrand -> rand_core -> getrandom. That causes SBF builds usingswitchboard-on-demandwithdefault-features = falseandfeatures = ["cpi", "solana-v3"]to fail with:getrandom: target is not supportedUsing:
libsecp256k1 = { version = "0.7.2", default-features = false, features = ["static-context"] }keeps the precomputed secp256k1 context available while avoiding the unsupported host randomness path. This makes the crate usable in Solana/SBF CPI builds without pulling
getrandomthroughlibsecp256k1.