p2qrh: bitcoin core build instructions in end-to-end docs

Author: jbride

bip-0360/ref-impl/rust/docs/p2qrh-end-to-end.adoc

@@ -17,7 +17,29 @@ Execute in Bitcoin Core `regtest` mode.
 
 === Bitcoin Core
 
-TO-DO
+The link:https://github.com/jbride/bitcoin/tree/p2qrh[p2qrh branch] of bitcoin core is needed.
+
+Build instructions for the `p2qrh` branch are the same as `master` and is documented link:https://github.com/bitcoin/bitcoin/blob/master/doc/build-unix.md[here].
+
+As such, the following is an example series of steps (on a Fedora 42 host) to compile and run the `p2qrh` branch of bitcoin core:
+
+. build
++
+-----
+$ cmake -B build \
+        -DWITH_ZMQ=ON \
+        -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \ 
+        -DBUILD_BENCH=ON \ 
+        -DSANITIZERS=address,undefined
+
+$ cmake --build build -j$(nproc)
+-----
+
+. run in `regtest` mode
++
+-----
+$ ./build/bin/bitcoind -daemon=0 -regtest=1
+-----
 
 === Shell Environment
 

bip-0360/ref-impl/rust/docs/p2tr-end-to-end.adoc

@@ -17,7 +17,29 @@ Execute in Bitcoin Core `regtest` mode.
 
 === Bitcoin Core
 
-TO-DO
+The link:https://github.com/jbride/bitcoin/tree/p2qrh[p2qrh branch] of bitcoin core is needed.
+
+Build instructions for the `p2qrh` branch are the same as `master` and is documented link:https://github.com/bitcoin/bitcoin/blob/master/doc/build-unix.md[here].
+
+As such, the following is an example series of steps (on a Fedora 42 host) to compile and run the `p2qrh` branch of bitcoin core:
+
+. build
++
+-----
+$ cmake -B build \
+        -DWITH_ZMQ=ON \
+        -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+        -DBUILD_BENCH=ON \
+        -DSANITIZERS=address,undefined
+
+$ cmake --build build -j$(nproc)
+-----
+
+. run in `regtest` mode
++
+-----
+$ ./build/bin/bitcoind -daemon=0 -regtest=1
+-----
 
 === Shell Environment