cf58640937
* Keypair: implement clone() This was not implemented upstream in ed25519-dalek to force everyone to think twice before creating another copy of a potentially sensitive private key in memory. See https://github.com/dalek-cryptography/ed25519-dalek/issues/76 However, there are now 9 instances of Keypair::from_bytes(&keypair.to_bytes()) in the solana codebase and it would be preferable to have a function. In particular since this also comes up when writing programs and can cause users to either start messing with lifetimes or discover the from_bytes() workaround themselves. This patch opts to not implement the Clone trait. This avoids automatic use in order to preserve some of the original "let developers think twice about this" intention. * Use Keypair::clone |
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