* Replace libsecp256k1 with secp256k1
* Wipe ecdsa secret key from memory on drop
* Some comments for a known issue
* Safer core crypto primitives `from_slice` constructor
Previous version panics if slice lenght is not the expected one.
* Unit test fix
* Enable use of global secp256k1 context
* Better comments for ecdsa `Pair` drop
* Replace `libsecp256k1` with `seco256k1` in `beefy-mmr`
Used to convert ecdsa public key to ETH address
* Replace `libsecp256k1` with `secp256k1` in FRAME `contracts`benchmarks
* Temporary rollback of `beefy-mmr` to libsecp256k1
Check for detected build issues
* Cargo fmt
* Rollback of FRAME `contracts` benchmarks to `libsecp256k1`
* Rollback for unrelated changes
* Typo fix
* Add comments for deprecated `ecdsa_verify` and `secp256k1_ecdsa_recover`
Davide Galassi
4aab84cc42