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docs: include s/2 value in docs (#5914)

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Matthias Seitz
2023-12-31 13:57:15 +01:00
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parent f16a22d979
commit cdfdadd6c3
1 changed files with 2 additions and 0 deletions
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crates/primitives/src/transaction/signature.rs
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@@ -7,6 +7,8 @@ use serde::{Deserialize, Serialize};
/// The order of the secp256k1 curve, divided by two. Signatures that should be checked according
/// to EIP-2 should have an S value less than or equal to this.
///
/// `57896044618658097711785492504343953926418782139537452191302581570759080747168`
const SECP256K1N_HALF: U256 = U256::from_be_bytes([
0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x5D, 0x57, 0x6E, 0x73, 0x57, 0xA4, 0x50, 0x1D, 0xDF, 0xE9, 0x2F, 0x46, 0x68, 0x1B, 0x20, 0xA0,