Use single level of path for internal macros

diff --git a/bitcoin/src/bip32.rs b/bitcoin/src/bip32.rs
index 847335b4..4fdc29b7 100644
--- a/bitcoin/src/bip32.rs
+++ b/bitcoin/src/bip32.rs
@@ -16,9 +16,9 @@ use internals::write_err;
 use secp256k1::Secp256k1;
 
 use crate::crypto::key::{CompressedPublicKey, Keypair, PrivateKey, XOnlyPublicKey};
-use crate::internal_macros::{impl_array_newtype, impl_array_newtype_stringify};
 use crate::network::NetworkKind;
 use crate::prelude::{String, Vec};
+use crate::internal_macros;
 
 /// Version bytes for extended public keys on the Bitcoin network.
 const VERSION_BYTES_MAINNET_PUBLIC: [u8; 4] = [0x04, 0x88, 0xB2, 0x1E];
@@ -40,8 +40,8 @@ pub type ExtendedPrivKey = Xpriv;
 /// A chain code
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct ChainCode([u8; 32]);
-impl_array_newtype!(ChainCode, u8, 32);
-impl_array_newtype_stringify!(ChainCode, 32);
+internal_macros::impl_array_newtype!(ChainCode, u8, 32);
+internal_macros::impl_array_newtype_stringify!(ChainCode, 32);
 
 impl ChainCode {
     fn from_hmac(hmac: Hmac<sha512::Hash>) -> Self {
@@ -52,8 +52,8 @@ impl ChainCode {
 /// A fingerprint
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
 pub struct Fingerprint([u8; 4]);
-impl_array_newtype!(Fingerprint, u8, 4);
-impl_array_newtype_stringify!(Fingerprint, 4);
+internal_macros::impl_array_newtype!(Fingerprint, u8, 4);
+internal_macros::impl_array_newtype_stringify!(Fingerprint, 4);
 
 hash_newtype! {
     /// Extended key identifier as defined in BIP-32.
diff --git a/bitcoin/src/blockdata/block.rs b/bitcoin/src/blockdata/block.rs
index 85ff421f..8d69f6d7 100644
--- a/bitcoin/src/blockdata/block.rs
+++ b/bitcoin/src/blockdata/block.rs
@@ -41,7 +41,7 @@ internal_macros::impl_hashencode!(BlockHash);
 
 internal_macros::impl_consensus_encoding!(Header, version, prev_blockhash, merkle_root, time, bits, nonce);
 
-crate::internal_macros::define_extension_trait! {
+internal_macros::define_extension_trait! {
     /// Extension functionality for the [`Header`] type.
     pub trait HeaderExt impl for Header {
         /// Computes the target (range [0, T] inclusive) that a blockhash must land in to be valid.
diff --git a/bitcoin/src/blockdata/script/borrowed.rs b/bitcoin/src/blockdata/script/borrowed.rs
index d4352700..61a0b59c 100644
--- a/bitcoin/src/blockdata/script/borrowed.rs
+++ b/bitcoin/src/blockdata/script/borrowed.rs
@@ -20,9 +20,9 @@ use crate::policy::{DUST_RELAY_TX_FEE, MAX_OP_RETURN_RELAY};
 use crate::prelude::{sink, String, ToString};
 use crate::script::{self, ScriptBufExt as _};
 use crate::taproot::{LeafVersion, TapLeafHash, TapNodeHash};
-use crate::{Amount, FeeRate, ScriptBuf};
+use crate::{internal_macros, Amount, FeeRate, ScriptBuf};
 
-crate::internal_macros::define_extension_trait! {
+internal_macros::define_extension_trait! {
     /// Extension functionality for the [`Script`] type.
     pub trait ScriptExt impl for Script {
         /// Returns an iterator over script bytes.
@@ -459,7 +459,7 @@ mod sealed {
     impl Sealed for super::Script {}
 }
 
-crate::internal_macros::define_extension_trait! {
+internal_macros::define_extension_trait! {
     pub(crate) trait ScriptExtPriv impl for Script {
         /// Returns the bytes of the (possibly invalid) public key if this script is P2PK.
         fn p2pk_pubkey_bytes(&self) -> Option<&[u8]> {
diff --git a/bitcoin/src/blockdata/script/owned.rs b/bitcoin/src/blockdata/script/owned.rs
index ec186c9a..818c27f7 100644
--- a/bitcoin/src/blockdata/script/owned.rs
+++ b/bitcoin/src/blockdata/script/owned.rs
@@ -19,8 +19,9 @@ use crate::script::witness_program::{WitnessProgram, P2A_PROGRAM};
 use crate::script::witness_version::WitnessVersion;
 use crate::script::{self, ScriptHash, WScriptHash};
 use crate::taproot::TapNodeHash;
+use crate::internal_macros;
 
-crate::internal_macros::define_extension_trait! {
+internal_macros::define_extension_trait! {
     /// Extension functionality for the [`ScriptBuf`] type.
     pub trait ScriptBufExt impl for ScriptBuf {
         /// Constructs a new script builder
@@ -195,7 +196,7 @@ mod sealed {
     impl Sealed for super::ScriptBuf {}
 }
 
-crate::internal_macros::define_extension_trait! {
+internal_macros::define_extension_trait! {
     pub(crate) trait ScriptBufExtPriv impl for ScriptBuf {
         /// Pretends to convert `&mut ScriptBuf` to `&mut Vec<u8>` so that it can be modified.
         ///
diff --git a/bitcoin/src/blockdata/transaction.rs b/bitcoin/src/blockdata/transaction.rs
index 4db61f7a..9b677abe 100644
--- a/bitcoin/src/blockdata/transaction.rs
+++ b/bitcoin/src/blockdata/transaction.rs
@@ -36,7 +36,7 @@ pub use primitives::transaction::{OutPoint, ParseOutPointError, Transaction, Txi
 internal_macros::impl_hashencode!(Txid);
 internal_macros::impl_hashencode!(Wtxid);
 
-crate::internal_macros::define_extension_trait! {
+internal_macros::define_extension_trait! {
     /// Extension functionality for the [`Txid`] type.
     pub trait TxidExt impl for Txid {
         /// The "all zeros" TXID.
@@ -45,7 +45,7 @@ crate::internal_macros::define_extension_trait! {
     }
 }
 
-crate::internal_macros::define_extension_trait! {
+internal_macros::define_extension_trait! {
     /// Extension functionality for the [`Wtxid`] type.
     pub trait WtxidExt impl for Wtxid {
         /// The "all zeros" wTXID.
@@ -66,7 +66,7 @@ const SEGWIT_MARKER: u8 = 0x00;
 /// The flag MUST be a 1-byte non-zero value. Currently, 0x01 MUST be used. (BIP-141)
 const SEGWIT_FLAG: u8 = 0x01;
 
-crate::internal_macros::define_extension_trait! {
+internal_macros::define_extension_trait! {
     /// Extension functionality for the [`OutPoint`] type.
     pub trait OutPointExt impl for OutPoint {
         /// Constructs a new [`OutPoint`].
@@ -89,7 +89,7 @@ crate::internal_macros::define_extension_trait! {
 const TX_IN_BASE_WEIGHT: Weight =
     Weight::from_vb_unchecked(OutPoint::SIZE as u64 + Sequence::SIZE as u64);
 
-crate::internal_macros::define_extension_trait! {
+internal_macros::define_extension_trait! {
     /// Extension functionality for the [`TxIn`] type.
     pub trait TxInExt impl for TxIn {
         /// Returns true if this input enables the [`absolute::LockTime`] (aka `nLockTime`) of its
@@ -151,7 +151,7 @@ crate::internal_macros::define_extension_trait! {
     }
 }
 
-crate::internal_macros::define_extension_trait! {
+internal_macros::define_extension_trait! {
     /// Extension functionality for the [`TxOut`] type.
     pub trait TxOutExt impl for TxOut {
         /// The weight of this output.
diff --git a/bitcoin/src/blockdata/witness.rs b/bitcoin/src/blockdata/witness.rs
index a4859a02..c6e19c87 100644
--- a/bitcoin/src/blockdata/witness.rs
+++ b/bitcoin/src/blockdata/witness.rs
@@ -15,7 +15,7 @@ use crate::prelude::Vec;
 #[cfg(doc)]
 use crate::script::ScriptExt as _;
 use crate::taproot::{self, ControlBlock, LeafScript, TaprootMerkleBranch, TAPROOT_ANNEX_PREFIX};
-use crate::Script;
+use crate::{internal_macros, Script};
 
 type BorrowedControlBlock<'a> = ControlBlock<&'a TaprootMerkleBranch, &'a SerializedXOnlyPublicKey>;
 
@@ -112,7 +112,7 @@ impl Encodable for Witness {
     }
 }
 
-crate::internal_macros::define_extension_trait! {
+internal_macros::define_extension_trait! {
     /// Extension functionality for the [`Witness`] type.
     pub trait WitnessExt impl for Witness {
         /// Constructs a new witness required to spend a P2WPKH output.
diff --git a/bitcoin/src/pow.rs b/bitcoin/src/pow.rs
index 6aeb3b48..3de3defa 100644
--- a/bitcoin/src/pow.rs
+++ b/bitcoin/src/pow.rs
@@ -14,8 +14,8 @@ use units::parse::{self, ParseIntError, PrefixedHexError, UnprefixedHexError};
 
 use crate::block::{BlockHash, Header};
 use crate::consensus::encode::{self, Decodable, Encodable};
-use crate::internal_macros::define_extension_trait;
 use crate::network::Params;
+use crate::internal_macros;
 
 #[rustfmt::skip]                // Keep public re-exports separate.
 #[doc(inline)]
@@ -332,7 +332,7 @@ impl Target {
 do_impl!(Target);
 impl_to_hex_from_lower_hex!(Target, |_| 64);
 
-define_extension_trait! {
+internal_macros::define_extension_trait! {
     /// Extension functionality for the [`CompactTarget`] type.
     pub trait CompactTargetExt impl for CompactTarget {
         /// Constructs a new `CompactTarget` from a prefixed hex string.