fix pull request issues; rename HrpAndDp to DecodedResult

AmineKhaldi · Feb 15, 2021 · 0f7158a · 0f7158a
1 parent 45865fb
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diff --git a/README.md b/README.md
@@ -26,10 +26,10 @@ You can also run all the tests:
 make test
 ```
 
-### Installing prerequirements
+### Installing prerequisites
 
 If the above doesn't work, you probably need to install some
-prerequirements. For example, on a fresh Debian 10 ("buster") system:
+prerequisites. For example, on a fresh Debian 10 ("buster") system:
 
 ```
 sudo apt-get install make gcc g++
@@ -69,11 +69,11 @@ int main() {
     std::cout << bstr << std::endl;
 
     // decode
-    bech32::HrpAndDp hd = bech32::decode(bstr);
+    bech32::DecodedResult decodedResult = bech32::decode(bstr);
 
-    assert(hrp == hd.hrp);
-    assert(data == hd.dp);
-    assert(bech32::Encoding::Bech32m == hd.encoding);
+    assert(hrp == decodedResult.hrp);
+    assert(data == decodedResult.dp);
+    assert(bech32::Encoding::Bech32m == decodedResult.encoding);
 }
 ```
 
@@ -103,17 +103,17 @@ int main() {
     printf("%s\n", bstring->string);
 
     // allocate memory for decoded data
-    bech32_HrpAndDp * hrpdp = bech32_create_HrpAndDp(bstring->string);
+    bech32_DecodedResult * decodedResult = bech32_create_DecodedResult(bstring->string);
 
     // decode
-    assert(bech32_decode(hrpdp, bstring->string) == E_BECH32_SUCCESS);
-    assert(strcmp(hrpdp->hrp, hrp) == 0);
-    assert(hrpdp->dp[0] == dp[0]);
-    assert(hrpdp->dp[4] == dp[4]);
-    assert(ENCODING_BECH32M == hrpdp->encoding);
+    assert(bech32_decode(decodedResult, bstring->string) == E_BECH32_SUCCESS);
+    assert(strcmp(decodedResult->hrp, hrp) == 0);
+    assert(decodedResult->dp[0] == dp[0]);
+    assert(decodedResult->dp[4] == dp[4]);
+    assert(ENCODING_BECH32M == decodedResult->encoding);
 
     // free memory
-    bech32_free_HrpAndDp(hrpdp);
+    bech32_free_DecodedResult(decodedResult);
     bech32_free_bstring(bstring);
 }
 ```
@@ -127,11 +127,11 @@ The Bech32 data encoding format was first proposed by Pieter Wuille in early 201
 [BIP 0173](https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki). Later, in November 2019, Pieter published
 some research regarding that an exponent used in the bech32 checksum algorithm (value = 1) may not be
 optimal for the error detecting properties of bech32. In February 2021, Pieter published
-[BIP 0350](http://www.example.com) reporting that "exhaustive analysis" showed the best possible exponent value is
+[BIP 0350](https://github.com/bitcoin/bips/blob/master/bip-0350.mediawiki) reporting that "exhaustive analysis" showed the best possible exponent value is
 0x2bc830a3. This improved variant of Bech32 is called "Bech32m".
 
 When decoding a possible bech32 encoded string, libbech32 returns an enum value showing whether bech32m or bech32
-was used to encode. This can be seen in the exaples above.
+was used to encode. This can be seen in the examples above.
 
 When encoding data, libbech32 defaults to using the new exponent value of 0x2bc830a3. If the original exponent value
 of 1 is desired, then the following functions may be used:

diff --git a/examples/c_example.c b/examples/c_example.c
@@ -23,17 +23,17 @@ void encodeAndDecode() {
     assert(strcmp(expected, bstring->string) == 0);
 
     // allocate memory for decoded data
-    bech32_HrpAndDp * hrpdp = bech32_create_HrpAndDp(bstring->string);
+    bech32_DecodedResult * decodedResult = bech32_create_DecodedResult(bstring->string);
 
     // decode
-    assert(bech32_decode(hrpdp, bstring->string) == E_BECH32_SUCCESS);
-    assert(strcmp(hrpdp->hrp, "example") == 0);
-    assert(hrpdp->dp[0] == 0);
-    assert(hrpdp->dp[8] == 8);
-    assert(ENCODING_BECH32M == hrpdp->encoding);
+    assert(bech32_decode(decodedResult, bstring->string) == E_BECH32_SUCCESS);
+    assert(strcmp(decodedResult->hrp, "example") == 0);
+    assert(decodedResult->dp[0] == 0);
+    assert(decodedResult->dp[8] == 8);
+    assert(ENCODING_BECH32M == decodedResult->encoding);
 
     // free memory
-    bech32_free_HrpAndDp(hrpdp);
+    bech32_free_DecodedResult(decodedResult);
     bech32_free_bstring(bstring);
 }
 
@@ -48,25 +48,25 @@ void decodeAndEncode() {
     assert(bech32_stripUnknownChars(bstr, sizeof(bstr), bstr, sizeof(bstr)) == E_BECH32_SUCCESS);
 
     // allocate memory for decoded data
-    bech32_HrpAndDp * hrpdp = bech32_create_HrpAndDp(bstr);
+    bech32_DecodedResult * decodedResult = bech32_create_DecodedResult(bstr);
 
     // decode
-    assert(bech32_decode(hrpdp, bstr) == E_BECH32_SUCCESS);
-    assert(strcmp(hrpdp->hrp, "example") == 0);
-    assert(hrpdp->dp[0] == 0);
-    assert(hrpdp->dp[8] == 8);
+    assert(bech32_decode(decodedResult, bstr) == E_BECH32_SUCCESS);
+    assert(strcmp(decodedResult->hrp, "example") == 0);
+    assert(decodedResult->dp[0] == 0);
+    assert(decodedResult->dp[8] == 8);
 
     // create output array for bech32 string
-    bech32_bstring *bstring = bech32_create_bstring_from_HrpAndDp(hrpdp);
+    bech32_bstring *bstring = bech32_create_bstring_from_DecodedResult(decodedResult);
 
     // encode
-    assert(bech32_encode(bstring, hrpdp->hrp, hrpdp->dp, hrpdp->dplen) == E_BECH32_SUCCESS);
+    assert(bech32_encode(bstring, decodedResult->hrp, decodedResult->dp, decodedResult->dplen) == E_BECH32_SUCCESS);
 
     // encoding of "cleaned" decoded data should match expected string
     assert(strcmp(expected, bstring->string) == 0);
 
     // free memory
-    bech32_free_HrpAndDp(hrpdp);
+    bech32_free_DecodedResult(decodedResult);
     bech32_free_bstring(bstring);
 }
 
@@ -94,13 +94,13 @@ void badDecoding_corruptData() {
     bstr[10] = 'x';
 
     // allocate memory for decoded data
-    bech32_HrpAndDp * hrpdp = bech32_create_HrpAndDp(bstr);
+    bech32_DecodedResult * decodedResult = bech32_create_DecodedResult(bstr);
 
     // decode
-    assert(bech32_decode(hrpdp, bstr) == E_BECH32_INVALID_CHECKSUM);
+    assert(bech32_decode(decodedResult, bstr) == E_BECH32_INVALID_CHECKSUM);
 
     // free memory
-    bech32_free_HrpAndDp(hrpdp);
+    bech32_free_DecodedResult(decodedResult);
 }
 
 void badDecoding_corruptChecksum() {
@@ -111,13 +111,13 @@ void badDecoding_corruptChecksum() {
     bstr[19] = 'q';
 
     // allocate memory for decoded data
-    bech32_HrpAndDp * hrpdp = bech32_create_HrpAndDp(bstr);
+    bech32_DecodedResult * decodedResult = bech32_create_DecodedResult(bstr);
 
     // decode
-    assert(bech32_decode(hrpdp, bstr) == E_BECH32_INVALID_CHECKSUM);
+    assert(bech32_decode(decodedResult, bstr) == E_BECH32_INVALID_CHECKSUM);
 
     // free memory
-    bech32_free_HrpAndDp(hrpdp);
+    bech32_free_DecodedResult(decodedResult);
 }
 
 int main() {

diff --git a/examples/c_usage_example.c b/examples/c_usage_example.c
@@ -23,16 +23,16 @@ int main() {
     printf("%s\n", bstring->string);
 
     // allocate memory for decoded data
-    bech32_HrpAndDp * hrpdp = bech32_create_HrpAndDp(bstring->string);
+    bech32_DecodedResult * decodedResult = bech32_create_DecodedResult(bstring->string);
 
     // decode
-    assert(bech32_decode(hrpdp, bstring->string) == E_BECH32_SUCCESS);
-    assert(strcmp(hrpdp->hrp, hrp) == 0);
-    assert(hrpdp->dp[0] == dp[0]);
-    assert(hrpdp->dp[4] == dp[4]);
-    assert(ENCODING_BECH32M == hrpdp->encoding);
+    assert(bech32_decode(decodedResult, bstring->string) == E_BECH32_SUCCESS);
+    assert(strcmp(decodedResult->hrp, hrp) == 0);
+    assert(decodedResult->dp[0] == dp[0]);
+    assert(decodedResult->dp[4] == dp[4]);
+    assert(ENCODING_BECH32M == decodedResult->encoding);
 
     // free memory
-    bech32_free_HrpAndDp(hrpdp);
+    bech32_free_DecodedResult(decodedResult);
     bech32_free_bstring(bstring);
 }
diff --git a/examples/cpp_example.cpp b/examples/cpp_example.cpp
@@ -20,11 +20,11 @@ void encodeAndDecode() {
     assert(expected == bstr);
 
     // decode
-    bech32::HrpAndDp hd = bech32::decode(bstr);
+    bech32::DecodedResult decodedResult = bech32::decode(bstr);
 
-    assert(hrp == hd.hrp);
-    assert(data == hd.dp);
-    assert(bech32::Encoding::Bech32m == hd.encoding);
+    assert(hrp == decodedResult.hrp);
+    assert(data == decodedResult.dp);
+    assert(bech32::Encoding::Bech32m == decodedResult.encoding);
 }
 
 void decodeAndEncode() {
@@ -33,14 +33,14 @@ void decodeAndEncode() {
     std::string bstr = " example1:qpz!r--y9#x8&%&%ge-8-sqgv ";
     std::string expected = "example1qpzry9x8ge8sqgv";
     // decode - make sure to strip invalid characters before trying to decode
-    bech32::HrpAndDp hd = bech32::decode(bech32::stripUnknownChars(bstr));
+    bech32::DecodedResult decodedResult = bech32::decode(bech32::stripUnknownChars(bstr));
 
     // verify decoding
-    assert(!hd.hrp.empty() && !hd.dp.empty());
-    assert(bech32::Encoding::Bech32m == hd.encoding);
+    assert(!decodedResult.hrp.empty() && !decodedResult.dp.empty());
+    assert(bech32::Encoding::Bech32m == decodedResult.encoding);
 
     // encode
-    bstr = bech32::encode(hd.hrp, hd.dp);
+    bstr = bech32::encode(decodedResult.hrp, decodedResult.dp);
 
     // encoding of "cleaned" decoded data should match expected string
     assert(bstr == expected);
@@ -71,11 +71,11 @@ void badDecoding_corruptData() {
     bstr[10] = 'x';
 
     // decode
-    bech32::HrpAndDp hd = bech32::decode(bstr);
+    bech32::DecodedResult decodedResult = bech32::decode(bstr);
 
     // verify decoding failed
-    assert(hd.hrp.empty() && hd.dp.empty());
-    assert(bech32::Encoding::None == hd.encoding);
+    assert(decodedResult.hrp.empty() && decodedResult.dp.empty());
+    assert(bech32::Encoding::None == decodedResult.encoding);
 
 }
 
@@ -87,11 +87,11 @@ void badDecoding_corruptChecksum() {
     bstr[19] = 'q';
 
     // decode
-    bech32::HrpAndDp hd = bech32::decode(bstr);
+    bech32::DecodedResult decodedResult = bech32::decode(bstr);
 
     // verify decoding failed
-    assert(hd.hrp.empty() && hd.dp.empty());
-    assert(bech32::Encoding::None == hd.encoding);
+    assert(decodedResult.hrp.empty() && decodedResult.dp.empty());
+    assert(bech32::Encoding::None == decodedResult.encoding);
 
 }
 

diff --git a/examples/cpp_usage_example.cpp b/examples/cpp_usage_example.cpp
@@ -19,9 +19,9 @@ int main() {
     std::cout << bstr << std::endl;
 
     // decode
-    bech32::HrpAndDp hd = bech32::decode(bstr);
+    bech32::DecodedResult decodedResult = bech32::decode(bstr);
 
-    assert(hrp == hd.hrp);
-    assert(data == hd.dp);
-    assert(bech32::Encoding::Bech32m == hd.encoding);
+    assert(hrp == decodedResult.hrp);
+    assert(data == decodedResult.dp);
+    assert(bech32::Encoding::Bech32m == decodedResult.encoding);
 }
diff --git a/include/libbech32/libbech32.h b/include/libbech32/libbech32.h
@@ -23,7 +23,7 @@ namespace bech32 {
     // Represents the payload within a bech32 string.
     // hrp: the human-readable part
     //  dp: the data part
-    struct HrpAndDp {
+    struct DecodedResult {
         Encoding encoding;
         std::string hrp;
         std::vector<unsigned char> dp;
@@ -40,7 +40,7 @@ namespace bech32 {
     std::string encodeUsingOriginalConstant(const std::string & hrp, const std::vector<unsigned char> & dp);
 
     // decode a bech32 string, returning the "human-readable part" and a "data part"
-    HrpAndDp decode(const std::string & bstring);
+    DecodedResult decode(const std::string & bstring);
 
     namespace limits {
 
@@ -109,13 +109,13 @@ typedef enum bech32_encoding_e {
  * dp: the data part
  * dplen: length of the data part
  */
-typedef struct bech32_HrpAndDp_s {
+typedef struct bech32_DecodedResult_s {
     bech32_encoding encoding;
     char * hrp;
     size_t hrplen;
     unsigned char * dp;
     size_t dplen;
-} bech32_HrpAndDp;
+} bech32_DecodedResult;
 
 /**
  * Possible error codes
@@ -145,22 +145,22 @@ extern const char *bech32_errordesc[];
 extern const char * bech32_strerror(bech32_error error_code);
 
 /**
- * Allocates memory for a bech32_HrpAndDp struct based on the size of the bech32 string passed in.
+ * Allocates memory for a bech32_DecodedResult struct based on the size of the bech32 string passed in.
  *
- * This memory must be freed using the bech32_free_HrpAndDp function.
+ * This memory must be freed using the bech32_free_DecodedResult function.
  *
  * @param str the bech32 string to be decoded by bech32_decode()
  *
- * @return a pointer to a new bech32_HrpAndDp struct, or NULL if error
+ * @return a pointer to a new bech32_DecodedResult struct, or NULL if error
  */
-extern bech32_HrpAndDp * bech32_create_HrpAndDp(const char *str);
+extern bech32_DecodedResult * bech32_create_DecodedResult(const char *str);
 
 /**
- * Frees memory for a bech32_HrpAndDp struct.
+ * Frees memory for a bech32_DecodedResult struct.
  *
- * @param hrpAndDp pointer to a bech32_HrpAndDp struct
+ * @param decodedResult pointer to a bech32_DecodedResult struct
  */
-extern void bech32_free_HrpAndDp(bech32_HrpAndDp *hrpAndDp);
+extern void bech32_free_DecodedResult(bech32_DecodedResult *decodedResult);
 
 /**
  * Computes final length for a to-be-encoded bech32 string
@@ -185,15 +185,15 @@ extern size_t bech32_compute_encoded_string_length(size_t hrplen, size_t dplen);
 extern bech32_bstring * bech32_create_bstring(size_t hrplen, size_t dplen);
 
 /**
- * Allocates memory for a to-be-encoded bech32 string based on the size of the bech32_HrpAndDp struct
+ * Allocates memory for a to-be-encoded bech32 string based on the size of the bech32_DecodedResult struct
  *
  * This memory must be freed using the bech32_free_bstring function.
  *
- * @param hrpAndDp a pointer to a bech32_HrpAndDp struct
+ * @param decodedResult a pointer to a bech32_DecodedResult struct
  *
  * @return a pointer to a new bech32_bstring struct, or NULL if error
  */
-extern bech32_bstring * bech32_create_bstring_from_HrpAndDp(bech32_HrpAndDp *hrpAndDp);
+extern bech32_bstring * bech32_create_bstring_from_DecodedResult(bech32_DecodedResult *decodedResult);
 
 /**
  * Frees memory for a bech32 string.
@@ -255,14 +255,14 @@ extern bech32_error bech32_encode_using_original_constant(
 /**
  * decode a bech32 string, returning the "human-readable part" and a "data part"
  *
- * @param output pointer to struct to copy the decoded "human-readable part" and "data part"
+ * @param decodedResult pointer to struct to copy the decoded "human-readable part" and "data part"
  * @param str the bech32 string to decode
  *
- * @return E_BECH32_SUCCESS on success, others on error (i.e., output is NULL, hrp/dp not
+ * @return E_BECH32_SUCCESS on success, others on error (i.e., decodedResult is NULL, hrp/dp not
  * long enough for decoded bech32 data)
  */
 extern bech32_error bech32_decode(
-        bech32_HrpAndDp *output,
+        bech32_DecodedResult *decodedResult,
         const char *str);
 
 #ifdef __cplusplus