From 9a8694fae56f8d8a8e240dcf090dc55c37e0c929 Mon Sep 17 00:00:00 2001
From: Martin Habovstiak <martin.habovstiak@gmail.com>
Date: Sun, 5 Nov 2023 11:16:53 +0100
Subject: [PATCH 1/2] Add `params` method to `Network`

Writing `network.params()` is less annoying than `Params::network()`, so
this adds it. Making it return a static could also improve performance.
---
 bitcoin/src/consensus/params.rs |  2 +-
 bitcoin/src/network.rs          | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/bitcoin/src/consensus/params.rs b/bitcoin/src/consensus/params.rs
index e2d747f8..5d019d16 100644
--- a/bitcoin/src/consensus/params.rs
+++ b/bitcoin/src/consensus/params.rs
@@ -50,7 +50,7 @@ pub struct Params {
 
 impl Params {
     /// Creates parameters set for the given network.
-    pub fn new(network: Network) -> Self {
+    pub const fn new(network: Network) -> Self {
         match network {
             Network::Bitcoin => Params {
                 network: Network::Bitcoin,
diff --git a/bitcoin/src/network.rs b/bitcoin/src/network.rs
index cd3d3042..c66ab070 100644
--- a/bitcoin/src/network.rs
+++ b/bitcoin/src/network.rs
@@ -27,6 +27,7 @@ use internals::write_err;
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
+use crate::consensus::Params;
 use crate::constants::ChainHash;
 use crate::p2p::Magic;
 use crate::prelude::{String, ToOwned};
@@ -144,6 +145,17 @@ impl Network {
     pub fn from_chain_hash(chain_hash: ChainHash) -> Option<Network> {
         Network::try_from(chain_hash).ok()
     }
+
+    /// Returns the associated network parameters.
+    pub const fn params(self) -> &'static Params {
+        const PARAMS: [Params; 4] = [
+            Params::new(Network::Bitcoin),
+            Params::new(Network::Testnet),
+            Params::new(Network::Signet),
+            Params::new(Network::Regtest),
+        ];
+        &PARAMS[self as usize]
+    }
 }
 
 #[cfg(feature = "serde")]

From 9282cc4dad83f86ce550cbf23b83cd2bd468df91 Mon Sep 17 00:00:00 2001
From: Martin Habovstiak <martin.habovstiak@gmail.com>
Date: Sun, 5 Nov 2023 11:35:08 +0100
Subject: [PATCH 2/2] Implement standard conversions `Network`->`Params`

---
 bitcoin/src/consensus/params.rs | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/bitcoin/src/consensus/params.rs b/bitcoin/src/consensus/params.rs
index 5d019d16..4382bec8 100644
--- a/bitcoin/src/consensus/params.rs
+++ b/bitcoin/src/consensus/params.rs
@@ -116,3 +116,27 @@ impl Params {
         self.pow_target_timespan / self.pow_target_spacing
     }
 }
+
+impl From<Network> for Params {
+    fn from(value: Network) -> Self {
+        Self::new(value)
+    }
+}
+
+impl From<&Network> for Params {
+    fn from(value: &Network) -> Self {
+        Self::new(*value)
+    }
+}
+
+impl From<Network> for &'static Params {
+    fn from(value: Network) -> Self {
+        value.params()
+    }
+}
+
+impl From<&Network> for &'static Params {
+    fn from(value: &Network) -> Self {
+        value.params()
+    }
+}