diff --git a/circomcompatffi.nim b/circomcompatffi.nim
index c09bc26..a5fe107 100644
--- a/circomcompatffi.nim
+++ b/circomcompatffi.nim
@@ -20,6 +20,14 @@ const ERR_FAILED_TO_DESERIALIZE_PROOF* = 8
 
 const ERR_FAILED_TO_DESERIALIZE_INPUTS* = 9
 
+const ERR_FAILED_TO_VERIFY_PROOF* = 10
+
+const ERR_GET_PUB_INPUTS* = 11
+
+const ERR_MAKING_PROOF* = 12
+
+const ERR_SERIALIZE_PROOF* = 13
+
 
 type CircomCompatCtx* {.incompleteStruct.} = object
 
@@ -38,13 +46,6 @@ proc release_circom_compat*(ctx_ptr: ptr ptr CircomCompatCtx): void {.importc: "
 
 proc release_buffer*(buff_ptr: ptr ptr Buffer): void {.importc: "release_buffer".}
 
-## # Safety
-#
-proc push_input_u256_array*(ctx_ptr: ptr CircomCompatCtx,
-                            name_ptr: pointer,
-                            input_ptr: pointer,
-                            len: uint): int32 {.importc: "push_input_u256_array".}
-
 ## # Safety
 #
 proc prove_circuit*(ctx_ptr: ptr CircomCompatCtx,
@@ -57,6 +58,13 @@ proc verify_circuit*(ctx_ptr: ptr CircomCompatCtx,
                      proof_bytes_ptr: ptr Buffer,
                      inputs_bytes_ptr: ptr Buffer): int32 {.importc: "verify_circuit".}
 
+## # Safety
+#
+proc push_input_u256_array*(ctx_ptr: ptr CircomCompatCtx,
+                            name_ptr: pointer,
+                            input_ptr: pointer,
+                            len: uint): int32 {.importc: "push_input_u256_array".}
+
 proc push_input_numeric_i8*(ctx_ptr: ptr CircomCompatCtx,
                             name_ptr: pointer,
                             input: int8): int32 {.importc: "push_input_numeric_i8".}