Ran codespell and fixed typos

CMakeLists.txt

@@ -14,7 +14,7 @@ endif()
 # Sets the env vars PROJECT_SOURCE_DIR, and PROJECT_BINARY_DIR
 project(zecale CXX)
 
-# Versionning of the project
+# Versioning of the project
 set (ZECALE_VERSION_MAJOR 0)
 set (ZECALE_VERSION_MINOR 4)
 
@@ -52,7 +52,7 @@ set(
   "BW6_761"
   CACHE
   STRING
-  "Default curve (Warning: make sure the choosen curve matches the curve used to
+  "Default curve (Warning: make sure the chosen curve matches the curve used to
   generate the nested proofs): one of MNT6, BW6_761"
 )
 

contracts/Groth16BW6_761.sol

@@ -64,7 +64,7 @@ library Groth16BW6_761
             (inputs.length / 2) == num_inputs,
             "Input length differs from expected");
 
-        // Memory scratch pad, large enough to accomodate the max used size
+        // Memory scratch pad, large enough to accommodate the max used size
         // (see layout diagrams below).
         uint256[24] memory pad;
         bool result = true;

proto/zecale/api/aggregator.proto

@@ -23,7 +23,7 @@ service Aggregator {
     rpc GetNestedVerificationKeyHash(zeth_proto.VerificationKey) returns (VerificationKeyHash) {}
 
     // Register a new application. That is, an application name and a
-    // corresponding verfication key. After registration, transactions for the
+    // corresponding verification key. After registration, transactions for the
     // app can be submitted. Returns the hex-encoded verification key hash.
     rpc RegisterApplication(ApplicationDescription) returns (VerificationKeyHash) {}
 
@@ -76,4 +76,4 @@ message AggregatedTransaction {
     string application_name = 1;
     zeth_proto.ExtendedProof extended_proof = 2;
     repeated bytes nested_parameters = 3;
-}
+}