WIP: ECDH drop

README.md

@@ -14,7 +14,7 @@ From [libsecp256k1](https://github.com/bitcoin-core/secp256k1.git), make sure `l
 
 ```
 $ ./autogen.sh
-$ ./configure --enable-module-ecdh --enable-module-recovery --enable-experimental
+$ ./configure --enable-module-recovery --enable-experimental
 $ make
 $ sudo make install
 ```
@@ -44,7 +44,7 @@ $ cd ./secp256k1
 $ git submodule init
 $ git submodule update
 $ ./autogen.sh
-$ ./configure --enable-module-ecdh --enable-module-recovery --enable-experimental
+$ ./configure --enable-module-recovery --enable-experimental
 $ make
 $ sudo make install
 ```
@@ -73,7 +73,7 @@ $ pipenv run python ./secpy256k1/examples/ex_script.py
 
 ### Functions and Context Initialzation
 
-Barring `context_create`, the first argument to each function is a `secp256k1_context` object. The context object is initialized as `SECP256K1_CONTEXT_NONE`, `SECP256K1_CONTEXT_VERIFY`, or `SECP256K1_CONTEXT_SIGN`. 
+Barring `context_create`, the first argument to each function is a `secp256k1_context` object. The context object is initialized as `SECP256K1_CONTEXT_NONE`, `SECP256K1_CONTEXT_VERIFY`, or `SECP256K1_CONTEXT_SIGN`.
 
 For functions that are context agnostic, it is customary to use `SECP256K1_NONE`. These functions are:
 - `context_destroy` Destroy a secp256k1 context object.
@@ -231,10 +231,3 @@ Tweak a private key by multiplying `tweak` it by a tweak value:
 ```
 func_ret, priv_key_tweaked = secpy256k1.ec_privkey_tweak_mul(ctx=secp256k1_ctx, seckey=priv_key, tweak=tweak)
 ```
-
-### EC Diffie-Hellman
-
-Compute an ECDH secret in constant time:
-```
-func_ret, ecdh_secret = secpy256k1.ecdh(ctx=secp256k1_ctx, pubkey=secp256k1_pubkey, privkey=priv_key)
-```

secpy256k1/build_secp256k1/build.py

@@ -7,8 +7,7 @@
 secp256k1_header = []
 secp256k1_header.append(
     os.path.join(dir_path, 'secp256k1_headers/secp256k1_cdef.h'))
-secp256k1_header.append(
-    os.path.join(dir_path, 'secp256k1_headers/secp256k1_ecdh_cdef.h'))
+
 
 for header in secp256k1_header:
     with open(header, 'rt') as h:
@@ -18,7 +17,6 @@
     "_secpy256k1",  # This enters the namespace automatically.
     """
     #include "secp256k1.h"
-    #include "secp256k1_ecdh.h"
     """,
     include_dirs=['./secp256k1/include'],  # secp256k1 install loc
     library_dirs=['./secp256k1/.libs'],