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3.11 Better document API expectations

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This commit is contained in:
Luke Parker
2023-07-19 23:51:21 -04:00
parent df67b7d94c
commit 6f9d02fdf8
3 changed files with 11 additions and 3 deletions
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5
coins/bitcoin/src/wallet/mod.rs
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@@ -24,12 +24,17 @@ mod send;
pub use send::*;
/// Tweak keys to ensure they're usable with Bitcoin.
///
/// Taproot keys, which these keys are used as, must be even. This offsets the keys until they're
/// even.
pub fn tweak_keys(keys: &ThresholdKeys<Secp256k1>) -> ThresholdKeys<Secp256k1> {
let (_, offset) = make_even(keys.group_key());
keys.offset(Scalar::from(offset))
}
/// Return the Taproot address for a public key.
///
/// If the key is odd, this will return None.
pub fn address(network: Network, key: ProjectivePoint) -> Option<Address> {
if key.to_encoded_point(true).tag() != Tag::CompressedEvenY {
return None;