fix(#2583): fix encoding and decoding cip-129 drep_script identifiers

CHANGELOG.md

@@ -16,7 +16,7 @@ changes.
 
 ### Fixed
 
--
+- Fix CIP-129 DRep view identifier for script based DReps [Issue 2583](https://github.com/IntersectMBO/govtool/issues/2583)
 
 ### Changed
 

govtool/frontend/src/components/organisms/DRepCard.tsx

@@ -34,6 +34,7 @@ export const DRepCard = ({
     metadataStatus,
     image,
     drepId,
+    isScriptBased,
   },
   isConnected,
   isDelegationLoading,
@@ -59,8 +60,8 @@ export const DRepCard = ({
     });
 
   const cip129Identifier = encodeCIP129Identifier({
-    txID: `22${drepId}`,
-    bech32Prefix: "drep",
+    txID: `${isScriptBased ? "23" : "22"}${drepId}`,
+    bech32Prefix: isScriptBased ? "drep_script" : "drep",
   });
 
   return (

govtool/frontend/src/components/organisms/DRepDetailsCard.tsx

@@ -47,6 +47,7 @@ export const DRepDetailsCard = ({
     view,
     drepId,
     votingPower,
+    isScriptBased,
   } = dRepData;
 
   const groupedReferences = references?.reduce<Record<string, Reference[]>>(
@@ -120,8 +121,8 @@ export const DRepDetailsCard = ({
         >
           <CopyableText
             value={encodeCIP129Identifier({
-              txID: `22${drepId}`,
-              bech32Prefix: "drep",
+              txID: `${isScriptBased ? "23" : "22"}${drepId}`,
+              bech32Prefix: isScriptBased ? "drep_script" : "drep",
             })}
             dataTestId="copy-cip-129-drep-id-button"
           />

govtool/frontend/src/services/requests/getDRepList.ts

@@ -1,4 +1,3 @@
-import { bech32 } from "bech32";
 import {
   type Infinite,
   type DRepStatus,
@@ -7,11 +6,7 @@ import {
   DrepDataDTO,
 } from "@models";
 import { API } from "../API";
-import {
-  decodeCIP129Identifier,
-  encodeCIP129Identifier,
-  mapDtoToDrep,
-} from "@/utils";
+import { dRepSearchPhraseProcessor, mapDtoToDrep } from "@/utils";
 
 export type GetDRepListArguments = {
   filters?: string[];
@@ -30,37 +25,7 @@ export const getDRepList = async ({
   searchPhrase: rawSearchPhrase = "",
   status = [],
 }: GetDRepListArguments): Promise<Infinite<DRepData>> => {
-  // DBSync contains wrong representation of DRep view for script based DReps,
-  // but it's still used by BE
-  const searchPhraseProcessor = async () => {
-    try {
-      if (rawSearchPhrase.startsWith("drep_script")) {
-        const { words } = bech32.decode(rawSearchPhrase);
-        return bech32.encode("drep", words);
-      }
-      if (rawSearchPhrase.startsWith("drep")) {
-        const decodedIdentifier = decodeCIP129Identifier(rawSearchPhrase);
-        if (decodedIdentifier) {
-          const isCIP129Identifier = decodedIdentifier.txID.startsWith("22");
-          if (isCIP129Identifier) {
-            return encodeCIP129Identifier({
-              txID: decodedIdentifier.txID.slice(2),
-              bech32Prefix: "drep",
-            });
-          }
-          return encodeCIP129Identifier({
-            txID: decodedIdentifier.txID,
-            bech32Prefix: "drep",
-          });
-        }
-      }
-      return rawSearchPhrase;
-    } catch (e) {
-      return rawSearchPhrase;
-    }
-  };
-
-  const searchPhrase = await searchPhraseProcessor();
+  const searchPhrase = await dRepSearchPhraseProcessor(rawSearchPhrase);
 
   const response = await API.get<Infinite<DrepDataDTO>>("/drep/list", {
     params: {

govtool/frontend/src/utils/drepSearchPhraseProcessor.ts

@@ -0,0 +1,33 @@
+import { decodeCIP129Identifier } from "./cip129identifier";
+
+/**
+ * Processes the search phrase for dRep and returns the dRep ID.
+ * If the phrase starts with "drep_script" or "drep",
+ * it decodes the CIP129 identifier and extracts the transaction ID.
+ * If the transaction ID starts with "22" or "23", it returns the ID without the prefix.
+ * If any error occurs during processing, it returns the original phrase.
+ *
+ * @param phrase - The search phrase to be processed.
+ * @returns The dRep ID extracted from the search phrase or the original phrase if an error occurs.
+ */
+export const dRepSearchPhraseProcessor = async (phrase: string) => {
+  let drepIDPhrase = phrase;
+
+  try {
+    if (
+      drepIDPhrase.startsWith("drep_script") ||
+      drepIDPhrase.startsWith("drep")
+    ) {
+      const { txID } = decodeCIP129Identifier(drepIDPhrase);
+
+      drepIDPhrase = txID;
+    }
+    if (drepIDPhrase.startsWith("22") || drepIDPhrase.startsWith("23")) {
+      return drepIDPhrase.slice(2);
+    }
+
+    return drepIDPhrase;
+  } catch (e) {
+    return phrase;
+  }
+};

govtool/frontend/src/utils/index.ts

@@ -8,6 +8,7 @@ export * from "./checkIsMaintenanceOn";
 export * from "./checkIsWalletConnected";
 export * from "./cip129identifier";
 export * from "./dRep";
+export * from "./drepSearchPhraseProcessor";
 export * from "./ellipsizeText";
 export * from "./filterOutNullParams";
 export * from "./filterUpdatableProtocolParams";
@@ -33,5 +34,5 @@ export * from "./removeDuplicatedProposals";
 export * from "./removeMarkdown";
 export * from "./setProtocolParameterUpdate";
 export * from "./testIdFromLabel";
-export * from "./wait";
 export * from "./uniqBy";
+export * from "./wait";

govtool/frontend/src/utils/isValidFormat.ts

@@ -1,5 +1,6 @@
 import {
   Address,
+  DRep,
   RewardAddress,
 } from "@emurgo/cardano-serialization-lib-asmjs";
 import i18n from "@/i18n";
@@ -52,3 +53,13 @@ export async function isReceivingAddress(address?: string) {
     return i18n.t("forms.errors.mustBeReceivingAddress");
   }
 }
+
+export async function isDRepView(view?: string) {
+  if (!view) {
+    return true;
+  }
+  if (DRep.from_bech32(view)) {
+    return true;
+  }
+  return i18n.t("forms.errors.mustBeDRepView");
+}