update rust-bitcoin to 0.31

Author: RCasatta

Cargo.toml

@@ -19,10 +19,10 @@ rand = ["bitcoin/rand"]
 base64 = ["bitcoin/base64"]
 
 [dependencies]
-bitcoin = "0.30.0"
-elements = "0.23.0"
-bitcoin-miniscript = { package = "miniscript", version = "10.0" }
-simplicity = { git = "https://github.com/BlockstreamResearch/rust-simplicity", rev = "d5c0d65320816bfdf36411feed4bdff0708b5b12", optional = true }
+bitcoin = "0.31.0"
+elements = "0.24.0"
+bitcoin-miniscript = { package = "miniscript", version = "11.0" }
+simplicity = { git = "https://github.com/BlockstreamResearch/rust-simplicity", rev = "39fe6d7533b06001e9954fa08df34a1052702caf", optional = true }
 
 # Do NOT use this as a feature! Use the `serde` feature instead.
 actual-serde = { package = "serde", version = "1.0", optional = true }
@@ -31,8 +31,8 @@ actual-serde = { package = "serde", version = "1.0", optional = true }
 serde_json = "1.0"
 actual-rand = { package = "rand", version = "0.8.4"}
 serde_test = "1.0.147"
-bitcoin = { version = "0.30.0", features = ["base64"] }
-secp256k1 = {version = "0.27.0", features = ["rand-std"]}
+bitcoin = { version = "0.31.0", features = ["base64"] }
+secp256k1 = {version = "0.28.0", features = ["rand-std"]}
 actual-base64 = { package = "base64", version = "0.13.0" }
 
 

bitcoind-tests/tests/setup/test_util.rs

@@ -57,7 +57,7 @@ pub struct PubData {
 #[derive(Debug, Clone)]
 pub struct SecretData {
     pub sks: Vec<bitcoin::secp256k1::SecretKey>,
-    pub x_only_keypairs: Vec<bitcoin::key::KeyPair>,
+    pub x_only_keypairs: Vec<bitcoin::key::Keypair>,
     pub sha256_pre: [u8; 32],
     pub hash256_pre: [u8; 32],
     pub ripemd160_pre: [u8; 32],
@@ -75,7 +75,7 @@ fn setup_keys(
 ) -> (
     Vec<bitcoin::secp256k1::SecretKey>,
     Vec<miniscript::bitcoin::PublicKey>,
-    Vec<bitcoin::key::KeyPair>,
+    Vec<bitcoin::key::Keypair>,
     Vec<bitcoin::key::XOnlyPublicKey>,
 ) {
     let secp_sign = secp256k1::Secp256k1::signing_only();
@@ -100,7 +100,7 @@ fn setup_keys(
     let mut x_only_pks = vec![];
 
     for sk in &sks {
-        let keypair = bitcoin::key::KeyPair::from_secret_key(&secp_sign, sk);
+        let keypair = bitcoin::key::Keypair::from_secret_key(&secp_sign, sk);
         let (xpk, _parity) = bitcoin::key::XOnlyPublicKey::from_keypair(&keypair);
         x_only_keypairs.push(keypair);
         x_only_pks.push(xpk);

bitcoind-tests/tests/test_arith.rs

@@ -105,7 +105,7 @@ pub fn test_desc_satisfy(cl: &ElementsD, testdata: &TestData, desc: &str) -> Vec
             let prevouts = [witness_utxo];
             let prevouts = sighash::Prevouts::All(&prevouts);
             // ------------------ script spend -------------
-            let x_only_keypairs_reqd: Vec<(secp256k1::KeyPair, TapLeafHash)> = tr
+            let x_only_keypairs_reqd: Vec<(secp256k1::Keypair, TapLeafHash)> = tr
                 .iter_scripts()
                 .flat_map(|(_depth, script)| {
                     let leaf_hash = TapLeafHash::from_script(&script.encode(), script.version());

bitcoind-tests/tests/test_csfs.rs

@@ -106,7 +106,7 @@ pub fn test_desc_satisfy(cl: &ElementsD, testdata: &TestData, desc: &str) -> Vec
             let prevouts = [witness_utxo];
             let prevouts = sighash::Prevouts::All(&prevouts);
             // ------------------ script spend -------------
-            let x_only_keypairs_reqd: Vec<(secp256k1::KeyPair, TapLeafHash)> = tr
+            let x_only_keypairs_reqd: Vec<(secp256k1::Keypair, TapLeafHash)> = tr
                 .iter_scripts()
                 .flat_map(|(_depth, script)| {
                     let leaf_hash = TapLeafHash::from_script(&script.encode(), script.version());

bitcoind-tests/tests/test_desc.rs

@@ -176,7 +176,7 @@ pub fn test_desc_satisfy(
                 // No internal key
             }
             // ------------------ script spend -------------
-            let x_only_keypairs_reqd: Vec<(secp256k1::KeyPair, TapLeafHash)> = tr
+            let x_only_keypairs_reqd: Vec<(secp256k1::Keypair, TapLeafHash)> = tr
                 .iter_scripts()
                 .flat_map(|(_depth, script)| {
                     let leaf_hash = TapLeafHash::from_script(&script.encode(), script.version());

bitcoind-tests/tests/test_introspect.rs

@@ -105,7 +105,7 @@ pub fn test_desc_satisfy(cl: &ElementsD, testdata: &TestData, desc: &str) -> Vec
             let prevouts = [witness_utxo];
             let prevouts = sighash::Prevouts::All(&prevouts);
             // ------------------ script spend -------------
-            let x_only_keypairs_reqd: Vec<(secp256k1::KeyPair, TapLeafHash)> = tr
+            let x_only_keypairs_reqd: Vec<(secp256k1::Keypair, TapLeafHash)> = tr
                 .iter_scripts()
                 .flat_map(|(_depth, script)| {
                     let leaf_hash = TapLeafHash::from_script(&script.encode(), script.version());

examples/taproot.rs

@@ -3,14 +3,14 @@ extern crate elements_miniscript as miniscript;
 use std::collections::HashMap;
 use std::str::FromStr;
 
-use bitcoin::address::WitnessVersion;
+use bitcoin::WitnessVersion;
 use miniscript::descriptor::DescriptorType;
+use miniscript::descriptor::TapLeafScript;
 use miniscript::policy::Concrete;
 use miniscript::{
     translate_hash_fail, Descriptor, Miniscript, NoExt, Tap, TranslatePk, Translator,
 };
-use miniscript::descriptor::TapLeafScript;
-use secp256k1::{rand, KeyPair};
+use secp256k1::{rand, Keypair};
 
 // Refer to https://github.com/sanket1729/adv_btc_workshop/blob/master/workshop.md#creating-a-taproot-descriptor
 // for a detailed explanation of the policy and it's compilation
@@ -71,14 +71,19 @@ fn main() {
             iter.next().unwrap(),
             (
                 1,
-                TapLeafScript::Miniscript(&Miniscript::<String, Tap, NoExt>::from_str("and_v(vc:pk_k(In),older(9))").unwrap())
+                TapLeafScript::Miniscript(
+                    &Miniscript::<String, Tap, NoExt>::from_str("and_v(vc:pk_k(In),older(9))")
+                        .unwrap()
+                )
             )
         );
         assert_eq!(
             iter.next().unwrap(),
             (
                 1,
-                TapLeafScript::Miniscript(&Miniscript::<String, Tap, NoExt>::from_str("multi_a(2,hA,S)").unwrap())
+                TapLeafScript::Miniscript(
+                    &Miniscript::<String, Tap, NoExt>::from_str("multi_a(2,hA,S)").unwrap()
+                )
             )
         );
         assert_eq!(iter.next(), None);
@@ -88,7 +93,7 @@ fn main() {
 
     // We require secp for generating a random XOnlyPublicKey
     let secp = secp256k1::Secp256k1::new();
-    let key_pair = KeyPair::new(&secp, &mut rand::thread_rng());
+    let key_pair = Keypair::new(&secp, &mut rand::thread_rng());
     // Random unspendable XOnlyPublicKey provided for compilation to Taproot Descriptor
     let (unspendable_pubkey, _parity) = bitcoin::key::XOnlyPublicKey::from_keypair(&key_pair);
 

examples/verify_tx.rs

@@ -120,7 +120,7 @@ fn main() {
     // 3. Example three: same, but with the wrong signature hash, to demonstrate
     //    what happens given an apparently invalid script
     let secp = secp256k1_zkp::Secp256k1::new();
-    let message = secp256k1_zkp::Message::from_slice(&[0x01; 32][..]).expect("32-byte hash");
+    let message = secp256k1_zkp::Message::from_digest_slice(&[0x01; 32][..]).expect("32-byte hash");
     let interpreter = miniscript::Interpreter::from_txdata(
         &spk_input_1,
         &transaction.input[0].script_sig,

src/confidential/bare.rs

@@ -20,20 +20,12 @@ use elements::secp256k1_zkp;
 
 use crate::ToPublicKey;
 
-/// The SHA-256 initial midstate value for the [`TweakHash`].
-const MIDSTATE_HASH_TO_PRIVATE_HASH: [u8; 32] = [
-    0x2f, 0x85, 0x61, 0xec, 0x30, 0x88, 0xad, 0xa9, 0x5a, 0xe7, 0x43, 0xcd, 0x3c, 0x5f, 0x59, 0x7d,
-    0xc0, 0x4b, 0xd0, 0x7f, 0x06, 0x5f, 0x1c, 0x06, 0x47, 0x89, 0x36, 0x63, 0xf3, 0x92, 0x6e, 0x65,
-];
-
-sha256t_hash_newtype!(
-    TweakHash,
-    TweakTag,
-    MIDSTATE_HASH_TO_PRIVATE_HASH,
-    64,
-    doc = "BIP-340 Tagged hash for tweaking blinding keys",
-    forward
-);
+sha256t_hash_newtype! {
+    pub struct TapTweakTag = hash_str("CT-Blinding-Key/1.0");
+    /// Taproot-tagged hash for elements tapscript Merkle tree leafs
+    #[hash_newtype(forward)]
+    pub struct TapTweakHash(_);
+}
 
 /// Tweaks a bare key using the scriptPubKey of a descriptor
 pub fn tweak_key<'a, Pk, V>(
@@ -45,12 +37,12 @@ where
     Pk: ToPublicKey + 'a,
     V: secp256k1_zkp::Verification,
 {
-    let mut eng = TweakHash::engine();
+    let mut eng = TapTweakHash::engine();
     pk.to_public_key()
         .write_into(&mut eng)
         .expect("engines don't error");
     spk.consensus_encode(&mut eng).expect("engines don't error");
-    let hash_bytes = TweakHash::from_engine(eng).to_byte_array();
+    let hash_bytes = TapTweakHash::from_engine(eng).to_byte_array();
     let hash_scalar = secp256k1_zkp::Scalar::from_be_bytes(hash_bytes).expect("bytes from hash");
     pk.to_public_key()
         .inner
@@ -67,12 +59,12 @@ pub fn tweak_private_key<V>(
 where
     V: secp256k1_zkp::Signing,
 {
-    let mut eng = TweakHash::engine();
+    let mut eng = TapTweakHash::engine();
     bitcoin::PublicKey::new(sk.public_key(secp))
         .write_into(&mut eng)
         .expect("engines don't error");
     spk.consensus_encode(&mut eng).expect("engines don't error");
-    let hash_bytes = TweakHash::from_engine(eng).to_byte_array();
+    let hash_bytes = TapTweakHash::from_engine(eng).to_byte_array();
     let hash_scalar = secp256k1_zkp::Scalar::from_be_bytes(hash_bytes).expect("bytes from hash");
     sk.add_tweak(&hash_scalar).unwrap()
 }
@@ -84,6 +76,12 @@ mod tests {
 
     use super::*;
 
+    const MIDSTATE_HASH_TO_PRIVATE_HASH: [u8; 32] = [
+        0x2f, 0x85, 0x61, 0xec, 0x30, 0x88, 0xad, 0xa9, 0x5a, 0xe7, 0x43, 0xcd, 0x3c, 0x5f, 0x59,
+        0x7d, 0xc0, 0x4b, 0xd0, 0x7f, 0x06, 0x5f, 0x1c, 0x06, 0x47, 0x89, 0x36, 0x63, 0xf3, 0x92,
+        0x6e, 0x65,
+    ];
+
     #[test]
     fn tagged_hash() {
         // Check that cached midstate is computed correctly
@@ -100,18 +98,18 @@ mod tests {
 
         // Test empty hash
         assert_eq!(
-            TweakHash::from_engine(TweakTag::engine()).to_string(),
+            TapTweakHash::from_engine(TapTweakTag::engine()).to_string(),
             "d12a140aca856fbb917b931f263c42f064608985e2ce17ae5157daa17c55e8d9",
         );
         assert_eq!(
-            TweakHash::hash(&[]).to_string(),
+            TapTweakHash::hash(&[]).to_string(),
             "d12a140aca856fbb917b931f263c42f064608985e2ce17ae5157daa17c55e8d9",
         );
 
         // And hash of 100 bytes
         let data: Vec<u8> = (0..80).collect();
         assert_eq!(
-            TweakHash::hash(&data).to_string(),
+            TapTweakHash::hash(&data).to_string(),
             "e1e52419a2934d278c50e29608969d2f23c1bd1243a09bfc8026d4ed4b085e39",
         );
     }

src/confidential/elip151.rs

@@ -29,20 +29,12 @@ use crate::descriptor::{DescriptorSecretKey, SinglePriv};
 use crate::extensions::{Extension, ParseableExt};
 use crate::{Descriptor as OrdinaryDescriptor, DescriptorPublicKey, Error};
 
-/// The SHA-256 initial midstate value for the [`Elip151Hash`].
-const MIDSTATE_ELIP151: [u8; 32] = [
-    0x49, 0x81, 0x61, 0xd8, 0x52, 0x45, 0xf7, 0xaa, 0xd8, 0x24, 0x27, 0xb5, 0x64, 0x69, 0xe7, 0xd6,
-    0x98, 0x17, 0xeb, 0x0f, 0x27, 0x14, 0x6f, 0x4e, 0x7b, 0x95, 0xb3, 0x6e, 0x46, 0xc1, 0xb5, 0x61,
-];
-
-sha256t_hash_newtype!(
-    Elip151Hash,
-    Elip151Tag,
-    MIDSTATE_ELIP151,
-    64,
-    doc = "ELIP-151 Deterministic descriptor blinding keys",
-    forward
-);
+sha256t_hash_newtype! {
+    pub struct Elip151Tag = hash_str("ELIP-151 Deterministic descriptor blinding keys");
+    /// ELIP-151 Deterministic descriptor blinding keys
+    #[hash_newtype(forward)]
+    pub struct Elip151Hash(_);
+}
 
 impl Key {
     pub fn from_elip151<T: Extension + ParseableExt>(
@@ -114,6 +106,13 @@ mod test {
     use bitcoin::hashes::{sha256, HashEngine};
     use std::str::FromStr;
 
+    /// The SHA-256 initial midstate value for the [`Elip151Hash`].
+    const MIDSTATE_ELIP151: [u8; 32] = [
+        0x49, 0x81, 0x61, 0xd8, 0x52, 0x45, 0xf7, 0xaa, 0xd8, 0x24, 0x27, 0xb5, 0x64, 0x69, 0xe7,
+        0xd6, 0x98, 0x17, 0xeb, 0x0f, 0x27, 0x14, 0x6f, 0x4e, 0x7b, 0x95, 0xb3, 0x6e, 0x46, 0xc1,
+        0xb5, 0x61,
+    ];
+
     #[test]
     fn tagged_hash_elip151() {
         // Check that cached midstate is computed correctly, code from rust-bitcoin
@@ -175,7 +174,8 @@ mod test {
         ] {
             let conf_desc = confidential_descriptor(desc).unwrap();
             let elip151_desc = add_checksum(&format!("ct(elip151,{})", desc));
-            let conf_desc_elip151 = ConfidentialDescriptor::<DescriptorPublicKey>::from_str(&elip151_desc).unwrap();
+            let conf_desc_elip151 =
+                ConfidentialDescriptor::<DescriptorPublicKey>::from_str(&elip151_desc).unwrap();
             assert_eq!(conf_desc, conf_desc_elip151);
 
             // Uncomment this and below to regenerate test vectors; to see the output, run