From 24cbf0fd631b6f634dc53e88195921388683b826 Mon Sep 17 00:00:00 2001
From: Emmanuel Mutisya <emmanuelmutisya254@gmail.com>
Date: Mon, 24 Mar 2025 20:37:09 +0300
Subject: [PATCH 1/4] chore(outcomes): add background color and upgrade to
 v1.3.0 with necessary props

---
 govtool/frontend/package-lock.json            | 22 +++---
 govtool/frontend/package.json                 |  2 +-
 .../src/pages/GovernanceActionOutComes.tsx    | 67 ++++++++++---------
 .../frontend/src/types/@intersect.mbo.d.ts    |  2 +
 govtool/frontend/yarn.lock                    | 22 +++---
 5 files changed, 65 insertions(+), 50 deletions(-)

diff --git a/govtool/frontend/package-lock.json b/govtool/frontend/package-lock.json
index 62274e080..0e7c41064 100644
--- a/govtool/frontend/package-lock.json
+++ b/govtool/frontend/package-lock.json
@@ -13,7 +13,7 @@
         "@emotion/styled": "^11.11.0",
         "@emurgo/cardano-serialization-lib-asmjs": "^12.1.1",
         "@hookform/resolvers": "^3.3.1",
-        "@intersect.mbo/govtool-outcomes-pillar-ui": "1.2.5",
+        "@intersect.mbo/govtool-outcomes-pillar-ui": "1.3.0",
         "@intersect.mbo/intersectmbo.org-icons-set": "^1.0.8",
         "@intersect.mbo/pdf-ui": "0.6.4",
         "@mui/icons-material": "^5.14.3",
@@ -3389,16 +3389,20 @@
       }
     },
     "node_modules/@intersect.mbo/govtool-outcomes-pillar-ui": {
-      "version": "1.2.5",
-      "resolved": "https://registry.npmjs.org/@intersect.mbo/govtool-outcomes-pillar-ui/-/govtool-outcomes-pillar-ui-1.2.5.tgz",
-      "integrity": "sha512-z0QDUZKj262vvNCtjr2L8ILgeub8da3ryhMhgLJpuxuO1zfEBUhTuwUPkRuLBE1Gf52TW/AfgmR2qXANsjY4/Q==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/@intersect.mbo/govtool-outcomes-pillar-ui/-/govtool-outcomes-pillar-ui-1.3.0.tgz",
+      "integrity": "sha512-6+H+QG8kyM2UUEycNsjrF1K5+UGUw6+wy7gRxlyOtFjIrZ9CUdTfwwyD1hrh+g55awZ4t+EmQgYB00An0iXOag==",
       "license": "ISC",
       "dependencies": {
         "@fontsource/poppins": "^5.0.14",
         "@intersect.mbo/intersectmbo.org-icons-set": "^1.0.8",
-        "axios": "^1.7.9",
+        "axios": "^1.8.4",
         "bech32": "^2.0.0",
-        "buffer": "^6.0.3"
+        "buffer": "^6.0.3",
+        "react-diff-view": "^3.2.1",
+        "rehype-katex": "^7.0.1",
+        "remark-math": "^6.0.0",
+        "unidiff": "^1.0.4"
       },
       "peerDependencies": {
         "@emotion/react": "^11.11.4",
@@ -10025,9 +10029,9 @@
       }
     },
     "node_modules/axios": {
-      "version": "1.7.9",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-1.7.9.tgz",
-      "integrity": "sha512-LhLcE7Hbiryz8oMDdDptSrWowmB4Bl6RCt6sIJKpRB4XtVf0iEgewX3au/pJqm+Py1kCASkb/FFKjxQaLtxJvw==",
+      "version": "1.8.4",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.8.4.tgz",
+      "integrity": "sha512-eBSYY4Y68NNlHbHBMdeDmKNtDgXWhQsJcGqzO3iLUM0GraQFSS9cVgPX5I9b3lbdFKyYoAEGAZF1DwhTaljNAw==",
       "license": "MIT",
       "dependencies": {
         "follow-redirects": "^1.15.6",
diff --git a/govtool/frontend/package.json b/govtool/frontend/package.json
index 4f9ba9651..b06e66a8d 100644
--- a/govtool/frontend/package.json
+++ b/govtool/frontend/package.json
@@ -27,7 +27,7 @@
     "@emotion/styled": "^11.11.0",
     "@emurgo/cardano-serialization-lib-asmjs": "^12.1.1",
     "@hookform/resolvers": "^3.3.1",
-    "@intersect.mbo/govtool-outcomes-pillar-ui": "1.2.5",
+    "@intersect.mbo/govtool-outcomes-pillar-ui": "1.3.0",
     "@intersect.mbo/intersectmbo.org-icons-set": "^1.0.8",
     "@intersect.mbo/pdf-ui": "0.6.4",
     "@mui/icons-material": "^5.14.3",
diff --git a/govtool/frontend/src/pages/GovernanceActionOutComes.tsx b/govtool/frontend/src/pages/GovernanceActionOutComes.tsx
index cf703d9b0..79db53f63 100644
--- a/govtool/frontend/src/pages/GovernanceActionOutComes.tsx
+++ b/govtool/frontend/src/pages/GovernanceActionOutComes.tsx
@@ -3,6 +3,7 @@ import React, { Suspense } from "react";
 import { Footer, TopNav } from "@/components/organisms";
 import { useCardano } from "@/context";
 import { useScreenDimension } from "@/hooks";
+import { Background } from "@/components/atoms";
 
 const GovernanceActionsOutcomes = React.lazy(
   () => import("@intersect.mbo/govtool-outcomes-pillar-ui/dist/esm"),
@@ -10,45 +11,49 @@ const GovernanceActionsOutcomes = React.lazy(
 
 export const GovernanceActionOutComesPillar = () => {
   const { pagePadding } = useScreenDimension();
-  const { ...context } = useCardano();
+  const { walletApi, ...context } = useCardano();
   return (
-    <Box
-      sx={{
-        display: "flex",
-        flexDirection: "column",
-        flex: 1,
-        minHeight: !context.isEnabled ? "100vh" : "auto",
-      }}
-    >
-      {!context.isEnabled && <TopNav />}
+    <Background>
       <Box
         sx={{
-          px: context.isEnabled ? { xs: 2, sm: 5 } : pagePadding,
-          py: 3,
           display: "flex",
+          flexDirection: "column",
           flex: 1,
+          minHeight: !context.isEnabled ? "100vh" : "auto",
         }}
       >
-        <Suspense
-          fallback={
-            <Box
-              sx={{
-                display: "flex",
-                flex: 1,
-                alignItems: "center",
-                justifyContent: "center",
-              }}
-            >
-              <CircularProgress />
-            </Box>
-          }
+        {!context.isEnabled && <TopNav />}
+        <Box
+          sx={{
+            px: context.isEnabled ? { xs: 2, sm: 5 } : pagePadding,
+            py: 3,
+            display: "flex",
+            flex: 1,
+          }}
         >
-          <GovernanceActionsOutcomes
-            apiUrl={import.meta.env.VITE_OUTCOMES_API_URL}
-          />
-        </Suspense>
+          <Suspense
+            fallback={
+              <Box
+                sx={{
+                  display: "flex",
+                  flex: 1,
+                  alignItems: "center",
+                  justifyContent: "center",
+                }}
+              >
+                <CircularProgress />
+              </Box>
+            }
+          >
+            <GovernanceActionsOutcomes
+              apiUrl={import.meta.env.VITE_OUTCOMES_API_URL}
+              ipfsGateway={import.meta.env.VITE_IPFS_GATEWAY}
+              walletAPI={{ ...context, ...walletApi }}
+            />
+          </Suspense>
+        </Box>
+        {!context.isEnabled && <Footer />}
       </Box>
-      {!context.isEnabled && <Footer />}
-    </Box>
+    </Background>
   );
 };
diff --git a/govtool/frontend/src/types/@intersect.mbo.d.ts b/govtool/frontend/src/types/@intersect.mbo.d.ts
index 9c8409f65..c86979137 100644
--- a/govtool/frontend/src/types/@intersect.mbo.d.ts
+++ b/govtool/frontend/src/types/@intersect.mbo.d.ts
@@ -28,6 +28,8 @@ type ProposalDiscussionProps = {
 
 type GovernanceActionsOutcomesProps = {
   apiUrl?: string;
+  ipfsGateway?: string;
+  walletAPI?: any;
 };
 
 declare module "@intersect.mbo/pdf-ui/cjs" {
diff --git a/govtool/frontend/yarn.lock b/govtool/frontend/yarn.lock
index 3f245350d..0ff6abf1a 100644
--- a/govtool/frontend/yarn.lock
+++ b/govtool/frontend/yarn.lock
@@ -1487,16 +1487,20 @@
   resolved "https://registry.npmjs.org/@inquirer/type/-/type-3.0.4.tgz"
   integrity sha512-2MNFrDY8jkFYc9Il9DgLsHhMzuHnOYM1+CUYVWbzu9oT0hC7V7EcYvdCKeoll/Fcci04A+ERZ9wcc7cQ8lTkIA==
 
-"@intersect.mbo/govtool-outcomes-pillar-ui@1.2.5":
-  version "1.2.5"
-  resolved "https://registry.npmjs.org/@intersect.mbo/govtool-outcomes-pillar-ui/-/govtool-outcomes-pillar-ui-1.2.5.tgz"
-  integrity sha512-z0QDUZKj262vvNCtjr2L8ILgeub8da3ryhMhgLJpuxuO1zfEBUhTuwUPkRuLBE1Gf52TW/AfgmR2qXANsjY4/Q==
+"@intersect.mbo/govtool-outcomes-pillar-ui@1.3.0":
+  version "1.3.0"
+  resolved "https://registry.npmjs.org/@intersect.mbo/govtool-outcomes-pillar-ui/-/govtool-outcomes-pillar-ui-1.3.0.tgz"
+  integrity sha512-6+H+QG8kyM2UUEycNsjrF1K5+UGUw6+wy7gRxlyOtFjIrZ9CUdTfwwyD1hrh+g55awZ4t+EmQgYB00An0iXOag==
   dependencies:
     "@fontsource/poppins" "^5.0.14"
     "@intersect.mbo/intersectmbo.org-icons-set" "^1.0.8"
-    axios "^1.7.9"
+    axios "^1.8.4"
     bech32 "^2.0.0"
     buffer "^6.0.3"
+    react-diff-view "^3.2.1"
+    rehype-katex "^7.0.1"
+    remark-math "^6.0.0"
+    unidiff "^1.0.4"
 
 "@intersect.mbo/intersectmbo.org-icons-set@^1.0.8", "@intersect.mbo/intersectmbo.org-icons-set@^1.1.0":
   version "1.1.0"
@@ -4486,10 +4490,10 @@ axe-core@^4.10.0:
   resolved "https://registry.npmjs.org/axe-core/-/axe-core-4.10.2.tgz"
   integrity sha512-RE3mdQ7P3FRSe7eqCWoeQ/Z9QXrtniSjp1wUjt5nRC3WIpz5rSCve6o3fsZ2aCpJtrZjSZgjwXAoTO5k4tEI0w==
 
-axios@^1.4.0, axios@^1.6.1, axios@^1.7.2, axios@^1.7.9:
-  version "1.7.9"
-  resolved "https://registry.npmjs.org/axios/-/axios-1.7.9.tgz"
-  integrity sha512-LhLcE7Hbiryz8oMDdDptSrWowmB4Bl6RCt6sIJKpRB4XtVf0iEgewX3au/pJqm+Py1kCASkb/FFKjxQaLtxJvw==
+axios@^1.4.0, axios@^1.6.1, axios@^1.7.2, axios@^1.8.4:
+  version "1.8.4"
+  resolved "https://registry.npmjs.org/axios/-/axios-1.8.4.tgz"
+  integrity sha512-eBSYY4Y68NNlHbHBMdeDmKNtDgXWhQsJcGqzO3iLUM0GraQFSS9cVgPX5I9b3lbdFKyYoAEGAZF1DwhTaljNAw==
   dependencies:
     follow-redirects "^1.15.6"
     form-data "^4.0.0"

From 22bbd47ce55eb62288d7b3b49c7a32d85dd2854f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Sza=C5=82owski?= <michal.szalowski@gmail.com>
Date: Tue, 25 Mar 2025 09:49:46 +0100
Subject: [PATCH 2/4] feat(#3263): add drep voting power list endpoint

---
 CHANGELOG.md                                  |  3 +-
 govtool/backend/app/Main.hs                   |  2 +
 .../sql/get-dreps-voting-power-list.sql       |  6 ++
 .../sql/get-filtered-dreps-voting-power.sql   |  7 +++
 govtool/backend/src/VVA/API.hs                | 24 ++++++-
 govtool/backend/src/VVA/API/Types.hs          | 29 +++++++++
 govtool/backend/src/VVA/DRep.hs               | 62 ++++++++++++++-----
 govtool/backend/src/VVA/Types.hs              |  9 +++
 govtool/backend/vva-be.cabal                  |  2 +
 9 files changed, 125 insertions(+), 19 deletions(-)
 create mode 100644 govtool/backend/sql/get-dreps-voting-power-list.sql
 create mode 100644 govtool/backend/sql/get-filtered-dreps-voting-power.sql

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61f6b9e84..bdb18bc3a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,8 @@ changes.
 
 ### Added
 
+- Add drep voting power list endpoint [Issue 3263](https://github.com/IntersectMBO/govtool/issues/3263)
+
 ### Fixed
 
 ### Changed
@@ -20,7 +22,6 @@ changes.
 
 ## [v2.0.18](https://github.com/IntersectMBO/govtool/releases/tag/v2.0.18) 2025-03-20
 
-
 ### Added
 
 - Add redirection to outcomes when proposal is not found [Issue 3230](https://github.com/IntersectMBO/govtool/issues/3230)
diff --git a/govtool/backend/app/Main.hs b/govtool/backend/app/Main.hs
index 66514e170..c2d3ca711 100644
--- a/govtool/backend/app/Main.hs
+++ b/govtool/backend/app/Main.hs
@@ -124,6 +124,7 @@ startApp vvaConfig sentryService = do
     networkMetricsCache <- newCache
     networkInfoCache <- newCache
     networkTotalStakeCache <- newCache
+    dRepVotingPowerListCache <- newCache
     return $ CacheEnv
       { proposalListCache
       , getProposalCache
@@ -137,6 +138,7 @@ startApp vvaConfig sentryService = do
       , networkMetricsCache
       , networkInfoCache
       , networkTotalStakeCache
+      , dRepVotingPowerListCache
       }
 
   let connectionString = encodeUtf8 (dbSyncConnectionString $ getter vvaConfig)
diff --git a/govtool/backend/sql/get-dreps-voting-power-list.sql b/govtool/backend/sql/get-dreps-voting-power-list.sql
new file mode 100644
index 000000000..5026177a8
--- /dev/null
+++ b/govtool/backend/sql/get-dreps-voting-power-list.sql
@@ -0,0 +1,6 @@
+SELECT DISTINCT ON (raw)
+  view, 
+  encode(raw, 'hex') AS hash_raw,
+  COALESCE(dd.amount, 0) AS voting_power
+FROM drep_hash dh
+LEFT JOIN drep_distr dd ON dh.id = dd.hash_id AND dd.epoch_no = (SELECT MAX(no) from epoch)
\ No newline at end of file
diff --git a/govtool/backend/sql/get-filtered-dreps-voting-power.sql b/govtool/backend/sql/get-filtered-dreps-voting-power.sql
new file mode 100644
index 000000000..a18e833c4
--- /dev/null
+++ b/govtool/backend/sql/get-filtered-dreps-voting-power.sql
@@ -0,0 +1,7 @@
+SELECT DISTINCT ON (raw)
+  view, 
+  encode(raw, 'hex') AS hash_raw,
+  COALESCE(dd.amount, 0) AS voting_power
+FROM drep_hash dh
+LEFT JOIN drep_distr dd ON dh.id = dd.hash_id AND dd.epoch_no = (SELECT MAX(no) from epoch)
+WHERE view = ? OR encode(raw, 'hex') = ?
\ No newline at end of file
diff --git a/govtool/backend/src/VVA/API.hs b/govtool/backend/src/VVA/API.hs
index 7b9d0fe4c..360d465b6 100644
--- a/govtool/backend/src/VVA/API.hs
+++ b/govtool/backend/src/VVA/API.hs
@@ -15,7 +15,7 @@ import           Control.Monad.Reader
 
 import           Data.Aeson               (Value(..), Array, decode, encode, ToJSON, toJSON)
 import           Data.Bool                (Bool)
-import           Data.List                (sortOn)
+import           Data.List                (sortOn, sort)
 import qualified Data.Map                 as Map
 import           Data.Maybe               (Maybe (Nothing), catMaybes, fromMaybe, mapMaybe)
 import           Data.Ord                 (Down (..))
@@ -64,6 +64,9 @@ type VVAApi =
                 :> QueryParam "search" Text
                 :> Get '[JSON] [VoteResponse]
     :<|> "drep" :> "info" :> Capture "drepId" HexText :> Get '[JSON] DRepInfoResponse
+    :<|> "drep" :> "voting-power-list"
+                :> QueryParams "identifiers" Text
+                :> Get '[JSON] [DRepVotingPowerListResponse]
     :<|> "ada-holder" :> "get-current-delegation" :> Capture "stakeKey" HexText :> Get '[JSON] (Maybe DelegationResponse)
     :<|> "ada-holder" :> "get-voting-power" :> Capture "stakeKey" HexText :> Get '[JSON] Integer
     :<|> "proposal" :> "list"
@@ -87,6 +90,7 @@ server = drepList
     :<|> getVotingPower
     :<|> getVotes
     :<|> drepInfo
+    :<|> drepVotingPowerList
     :<|> getCurrentDelegation
     :<|> getStakeKeyVotingPower
     :<|> listProposals
@@ -326,6 +330,24 @@ drepInfo (unHexText -> dRepId) = do
     , dRepInfoResponseImageHash = HexText <$> dRepInfoImageHash
     }
 
+drepVotingPowerList :: App m => [Text] -> m [DRepVotingPowerListResponse]
+drepVotingPowerList identifiers = do
+  CacheEnv {dRepVotingPowerListCache} <- asks vvaCache
+  
+  let cacheKey = Text.intercalate "," (sort identifiers)
+  
+  results <- cacheRequest dRepVotingPowerListCache cacheKey $ 
+    DRep.getDRepsVotingPowerList identifiers
+  
+  return $ map toDRepVotingPowerListResponse results
+  where
+    toDRepVotingPowerListResponse Types.DRepVotingPowerList{..} = 
+      DRepVotingPowerListResponse
+        { drepVotingPowerListResponseView = drepView
+        , drepVotingPowerListResponseHashRaw = HexText drepHashRaw
+        , drepVotingPowerListResponseVotingPower = drepVotingPower
+        }
+
 getCurrentDelegation :: App m => HexText -> m (Maybe DelegationResponse)
 getCurrentDelegation (unHexText -> stakeKey) = do
   CacheEnv {adaHolderGetCurrentDelegationCache} <- asks vvaCache
diff --git a/govtool/backend/src/VVA/API/Types.hs b/govtool/backend/src/VVA/API/Types.hs
index ec95925e9..f43888f8a 100644
--- a/govtool/backend/src/VVA/API/Types.hs
+++ b/govtool/backend/src/VVA/API/Types.hs
@@ -622,6 +622,35 @@ instance ToSchema DRepInfoResponse where
           & example
             ?~ toJSON exampleDRepInfoResponse
 
+data DRepVotingPowerListResponse
+  = DRepVotingPowerListResponse
+      { drepVotingPowerListResponseView        :: Text
+      , drepVotingPowerListResponseHashRaw     :: HexText
+      , drepVotingPowerListResponseVotingPower :: Integer
+      }
+  deriving (Generic, Show)
+
+deriveJSON (jsonOptions "drepVotingPowerListResponse") ''DRepVotingPowerListResponse
+
+exampleDRepVotingPowerListResponse :: Text
+exampleDRepVotingPowerListResponse =
+    "{\"view\": \"drep1qq5n7k0r0ff6lf4qvndw9t7vmdqa9y3q9qtjq879rrk9vcjcdy8a4xf92mqsajf9u3nrsh3r6zrp29kuydmfq45fz88qpzmjkc\","
+  <> "\"hashRaw\": \"9af10e89979e51b8cdc827c963124a1ef4920d1253eef34a1d5cfe76438e3f11\","
+  <> "\"votingPower\": 1000000}"
+
+instance ToSchema DRepVotingPowerListResponse where
+  declareNamedSchema proxy = do
+    NamedSchema name_ schema_ <-
+      genericDeclareNamedSchema
+      ( fromAesonOptions $ jsonOptions "drepVotingPowerListResponse" )
+      proxy
+    return $
+      NamedSchema name_ $
+        schema_
+          & description ?~ "DRep Voting Power List Response"
+          & example
+            ?~ toJSON exampleDRepVotingPowerListResponse
+
 data GetProposalResponse
   = GetProposalResponse
       { getProposalResponseVote     :: Maybe VoteParams
diff --git a/govtool/backend/src/VVA/DRep.hs b/govtool/backend/src/VVA/DRep.hs
index 16f6d70d0..569eb0d86 100644
--- a/govtool/backend/src/VVA/DRep.hs
+++ b/govtool/backend/src/VVA/DRep.hs
@@ -6,31 +6,33 @@
 
 module VVA.DRep where
 
-import           Control.Monad.Except       (MonadError)
+import           Control.Monad.Except               (MonadError)
 import           Control.Monad.Reader
 
 import           Crypto.Hash
 
-import           Data.ByteString            (ByteString)
-import qualified Data.ByteString.Base16     as Base16
-import qualified Data.ByteString.Char8      as C
-import           Data.FileEmbed             (embedFile)
-import           Data.Foldable              (Foldable (sum))
-import           Data.Has                   (Has)
-import qualified Data.Map                   as M
-import           Data.Maybe                 (fromMaybe, isJust, isNothing)
+import           Data.ByteString                    (ByteString)
+import qualified Data.ByteString.Base16             as Base16
+import qualified Data.ByteString.Char8              as C
+import           Data.FileEmbed                     (embedFile)
+import           Data.Foldable                      (Foldable (sum))
+import           Data.Has                           (Has)
+import qualified Data.Map                           as M
+import           Data.Maybe                         (fromMaybe, isJust, isNothing)
 import           Data.Scientific
-import           Data.String                (fromString)
-import           Data.Text                  (Text, pack, unpack)
-import qualified Data.Text.Encoding         as Text
+import           Data.String                        (fromString)
+import           Data.Text                          (Text, pack, unpack, intercalate)
+import qualified Data.Text.Encoding                 as Text
 import           Data.Time
 
-import qualified Database.PostgreSQL.Simple as SQL
+import qualified Database.PostgreSQL.Simple         as SQL
+import           Database.PostgreSQL.Simple.Types   (In(..))
+
 import           VVA.Config
-import           VVA.Pool                   (ConnectionPool, withPool)
-import qualified VVA.Proposal               as Proposal
-import           VVA.Types                  (AppError, DRepInfo (..), DRepRegistration (..), DRepStatus (..),
-                                             DRepType (..), Proposal (..), Vote (..))
+import           VVA.Pool                           (ConnectionPool, withPool)
+import qualified VVA.Proposal                       as Proposal
+import           VVA.Types                          (AppError, DRepInfo (..), DRepRegistration (..), DRepStatus (..),
+                                                     DRepType (..), Proposal (..), Vote (..), DRepVotingPowerList (..))
 
 sqlFrom :: ByteString -> SQL.Query
 sqlFrom bs = fromString $ unpack $ Text.decodeUtf8 bs
@@ -198,3 +200,29 @@ getDRepInfo drepId = withPool $ \conn -> do
         }
     [] -> return $ DRepInfo False False False False False Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing Nothing
     _ -> error "Unexpected result from database query in getDRepInfo"
+
+getAllDRepsVotingPowerSql :: SQL.Query
+getAllDRepsVotingPowerSql = sqlFrom $(embedFile "sql/get-dreps-voting-power-list.sql")
+
+getFilteredDRepVotingPowerSql :: SQL.Query
+getFilteredDRepVotingPowerSql = sqlFrom $(embedFile "sql/get-filtered-dreps-voting-power.sql")
+
+getDRepsVotingPowerList ::
+  (Has ConnectionPool r, Has VVAConfig r, MonadReader r m, MonadIO m) =>
+  [Text] ->
+  m [DRepVotingPowerList]
+getDRepsVotingPowerList identifiers = withPool $ \conn -> do
+  results <- if null identifiers
+    then do
+      liftIO $ SQL.query_ conn getAllDRepsVotingPowerSql
+    else do
+      resultsPerIdentifier <- forM identifiers $ \identifier -> do
+        liftIO $ SQL.query conn getFilteredDRepVotingPowerSql (identifier, identifier)
+      
+      return $ concat resultsPerIdentifier
+  
+  return
+    [ DRepVotingPowerList view hashRaw votingPower
+    | (view, hashRaw, votingPower') <- results
+    , let votingPower = floor @Scientific votingPower'
+    ]
\ No newline at end of file
diff --git a/govtool/backend/src/VVA/Types.hs b/govtool/backend/src/VVA/Types.hs
index 5af17aa16..ad5dd78fc 100644
--- a/govtool/backend/src/VVA/Types.hs
+++ b/govtool/backend/src/VVA/Types.hs
@@ -96,6 +96,14 @@ data DRepInfo
       , dRepInfoImageHash                :: Maybe Text
       }
 
+data DRepVotingPowerList
+  = DRepVotingPowerList
+      { drepView        :: Text
+      , drepHashRaw     :: Text
+      , drepVotingPower :: Integer
+      }
+  deriving (Show, Eq)
+
 data DRepStatus = Active | Inactive | Retired deriving (Show, Eq, Ord)
 
 data DRepType = DRep | SoleVoter deriving (Show, Eq)
@@ -216,6 +224,7 @@ data CacheEnv
       , networkMetricsCache                 :: Cache.Cache () NetworkMetrics
       , networkInfoCache                    :: Cache.Cache () NetworkInfo
       , networkTotalStakeCache              :: Cache.Cache () NetworkTotalStake
+      , dRepVotingPowerListCache            :: Cache.Cache Text [DRepVotingPowerList]
       }
 
 data NetworkInfo
diff --git a/govtool/backend/vva-be.cabal b/govtool/backend/vva-be.cabal
index fe757d486..d9a25afbb 100644
--- a/govtool/backend/vva-be.cabal
+++ b/govtool/backend/vva-be.cabal
@@ -34,6 +34,8 @@ extra-source-files:
   sql/get-network-metrics.sql
   sql/get-network-info.sql
   sql/get-network-total-stake.sql
+  sql/get-dreps-voting-power-list.sql
+  sql/get-filtered-dreps-voting-power.sql
 executable vva-be
     main-is:          Main.hs
 

From a4d60ed4a0c16eb71582925381c47b90e7ef1222 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Sza=C5=82owski?= <michal.szalowski@gmail.com>
Date: Tue, 25 Mar 2025 10:52:58 +0100
Subject: [PATCH 3/4] chore(#3037): Bump CSL to v14

---
 CHANGELOG.md                                  |  2 +
 govtool/frontend/package-lock.json            | 14 +++--
 govtool/frontend/package.json                 |  2 +-
 govtool/frontend/src/context/wallet.tsx       |  1 +
 .../frontend/src/types/@intersect.mbo.d.ts    |  1 +
 govtool/frontend/yarn.lock                    | 56 +++++++++----------
 6 files changed, 43 insertions(+), 33 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index bdb18bc3a..20bcbb026 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,8 @@ changes.
 
 ### Changed
 
+- Bump CSL to v14 [Issue 3037](https://github.com/IntersectMBO/govtool/issues/3037)
+
 ### Removed
 
 ## [v2.0.18](https://github.com/IntersectMBO/govtool/releases/tag/v2.0.18) 2025-03-20
diff --git a/govtool/frontend/package-lock.json b/govtool/frontend/package-lock.json
index 0e7c41064..1aa2694d7 100644
--- a/govtool/frontend/package-lock.json
+++ b/govtool/frontend/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "@emotion/react": "^11.11.1",
         "@emotion/styled": "^11.11.0",
-        "@emurgo/cardano-serialization-lib-asmjs": "^12.1.1",
+        "@emurgo/cardano-serialization-lib-asmjs": "^14.1.1",
         "@hookform/resolvers": "^3.3.1",
         "@intersect.mbo/govtool-outcomes-pillar-ui": "1.3.0",
         "@intersect.mbo/intersectmbo.org-icons-set": "^1.0.8",
@@ -2653,9 +2653,9 @@
       "license": "MIT"
     },
     "node_modules/@emurgo/cardano-serialization-lib-asmjs": {
-      "version": "12.1.1",
-      "resolved": "https://registry.npmjs.org/@emurgo/cardano-serialization-lib-asmjs/-/cardano-serialization-lib-asmjs-12.1.1.tgz",
-      "integrity": "sha512-K3f28QUfLDJ7seO6MtKfMYtRm5ccf36TQ5yxyTmZqX1TA85MkriEdxqpgV9KLiLEA95emwnlvU2/WmlHMRPg1A==",
+      "version": "14.1.1",
+      "resolved": "https://registry.npmjs.org/@emurgo/cardano-serialization-lib-asmjs/-/cardano-serialization-lib-asmjs-14.1.1.tgz",
+      "integrity": "sha512-Q2HVpPRt417Quxv3qagGWbkJQU8SiQCl1K/344ZtQMwsLoqTfRlCNzmSWMBN7jyBxbtKoh+vdbSiLqwG1NAjYg==",
       "license": "MIT"
     },
     "node_modules/@esbuild/aix-ppc64": {
@@ -3448,6 +3448,12 @@
         "sass": "^1.77.2"
       }
     },
+    "node_modules/@intersect.mbo/pdf-ui/node_modules/@emurgo/cardano-serialization-lib-asmjs": {
+      "version": "12.1.1",
+      "resolved": "https://registry.npmjs.org/@emurgo/cardano-serialization-lib-asmjs/-/cardano-serialization-lib-asmjs-12.1.1.tgz",
+      "integrity": "sha512-K3f28QUfLDJ7seO6MtKfMYtRm5ccf36TQ5yxyTmZqX1TA85MkriEdxqpgV9KLiLEA95emwnlvU2/WmlHMRPg1A==",
+      "license": "MIT"
+    },
     "node_modules/@intersect.mbo/pdf-ui/node_modules/@types/hast": {
       "version": "2.3.10",
       "resolved": "https://registry.npmjs.org/@types/hast/-/hast-2.3.10.tgz",
diff --git a/govtool/frontend/package.json b/govtool/frontend/package.json
index b06e66a8d..930773db3 100644
--- a/govtool/frontend/package.json
+++ b/govtool/frontend/package.json
@@ -25,7 +25,7 @@
   "dependencies": {
     "@emotion/react": "^11.11.1",
     "@emotion/styled": "^11.11.0",
-    "@emurgo/cardano-serialization-lib-asmjs": "^12.1.1",
+    "@emurgo/cardano-serialization-lib-asmjs": "^14.1.1",
     "@hookform/resolvers": "^3.3.1",
     "@intersect.mbo/govtool-outcomes-pillar-ui": "1.3.0",
     "@intersect.mbo/intersectmbo.org-icons-set": "^1.0.8",
diff --git a/govtool/frontend/src/context/wallet.tsx b/govtool/frontend/src/context/wallet.tsx
index 77c3de83a..a9a38f2a9 100644
--- a/govtool/frontend/src/context/wallet.tsx
+++ b/govtool/frontend/src/context/wallet.tsx
@@ -540,6 +540,7 @@ const CardanoProvider = (props: Props) => {
           .max_value_size(epochParams.max_val_size)
           .max_tx_size(epochParams.max_tx_size)
           .prefer_pure_change(true)
+          .do_not_burn_extra_change(true)
           .ex_unit_prices(
             ExUnitPrices.new(
               UnitInterval.new(
diff --git a/govtool/frontend/src/types/@intersect.mbo.d.ts b/govtool/frontend/src/types/@intersect.mbo.d.ts
index c86979137..175039054 100644
--- a/govtool/frontend/src/types/@intersect.mbo.d.ts
+++ b/govtool/frontend/src/types/@intersect.mbo.d.ts
@@ -29,6 +29,7 @@ type ProposalDiscussionProps = {
 type GovernanceActionsOutcomesProps = {
   apiUrl?: string;
   ipfsGateway?: string;
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
   walletAPI?: any;
 };
 
diff --git a/govtool/frontend/yarn.lock b/govtool/frontend/yarn.lock
index 0ff6abf1a..1a9020e6a 100644
--- a/govtool/frontend/yarn.lock
+++ b/govtool/frontend/yarn.lock
@@ -1367,15 +1367,20 @@
   resolved "https://registry.npmjs.org/@emotion/weak-memoize/-/weak-memoize-0.4.0.tgz"
   integrity sha512-snKqtPW01tN0ui7yu9rGv69aJXr/a/Ywvl11sUjNtEcRc+ng/mQriFL0wLXMef74iHa/EkftbDzU9F8iFbH+zg==
 
-"@emurgo/cardano-serialization-lib-asmjs@^12.0.0-beta.2", "@emurgo/cardano-serialization-lib-asmjs@^12.1.1":
+"@emurgo/cardano-serialization-lib-asmjs@^12.0.0-beta.2":
   version "12.1.1"
   resolved "https://registry.npmjs.org/@emurgo/cardano-serialization-lib-asmjs/-/cardano-serialization-lib-asmjs-12.1.1.tgz"
   integrity sha512-K3f28QUfLDJ7seO6MtKfMYtRm5ccf36TQ5yxyTmZqX1TA85MkriEdxqpgV9KLiLEA95emwnlvU2/WmlHMRPg1A==
 
-"@esbuild/linux-x64@0.25.0":
+"@emurgo/cardano-serialization-lib-asmjs@^14.1.1":
+  version "14.1.1"
+  resolved "https://registry.npmjs.org/@emurgo/cardano-serialization-lib-asmjs/-/cardano-serialization-lib-asmjs-14.1.1.tgz"
+  integrity sha512-Q2HVpPRt417Quxv3qagGWbkJQU8SiQCl1K/344ZtQMwsLoqTfRlCNzmSWMBN7jyBxbtKoh+vdbSiLqwG1NAjYg==
+
+"@esbuild/darwin-arm64@0.25.0":
   version "0.25.0"
-  resolved "https://registry.npmjs.org/@esbuild/linux-x64/-/linux-x64-0.25.0.tgz"
-  integrity sha512-9yl91rHw/cpwMCNytUDxwj2XjFpxML0y9HAOH9pNVQDpQrBxHy01Dx+vaMu0N1CKa/RzBD2hB4u//nfc+Sd3Cw==
+  resolved "https://registry.npmjs.org/@esbuild/darwin-arm64/-/darwin-arm64-0.25.0.tgz"
+  integrity sha512-mVwdUb5SRkPayVadIOI78K7aAnPamoeFR2bT5nszFUZ9P8UpK4ratOdYbZZXYSqPKMHfS1wdHCJk1P1EZpRdvw==
 
 "@eslint-community/eslint-utils@^4.2.0", "@eslint-community/eslint-utils@^4.4.0":
   version "4.4.1"
@@ -2168,15 +2173,10 @@
   resolved "https://registry.npmjs.org/@open-draft/until/-/until-2.1.0.tgz"
   integrity sha512-U69T3ItWHvLwGg5eJ0n3I62nWuE6ilHlmz7zM0npLBRvPRd7e6NYmg54vvRtP5mZG7kZqZCFVdsTWo7BPtBujg==
 
-"@parcel/watcher-linux-x64-glibc@2.5.0":
-  version "2.5.0"
-  resolved "https://registry.npmjs.org/@parcel/watcher-linux-x64-glibc/-/watcher-linux-x64-glibc-2.5.0.tgz"
-  integrity sha512-d9AOkusyXARkFD66S6zlGXyzx5RvY+chTP9Jp0ypSTC9d4lzyRs9ovGf/80VCxjKddcUvnsGwCHWuF2EoPgWjw==
-
-"@parcel/watcher-linux-x64-musl@2.5.0":
+"@parcel/watcher-darwin-arm64@2.5.0":
   version "2.5.0"
-  resolved "https://registry.npmjs.org/@parcel/watcher-linux-x64-musl/-/watcher-linux-x64-musl-2.5.0.tgz"
-  integrity sha512-iqOC+GoTDoFyk/VYSFHwjHhYrk8bljW6zOhPuhi5t9ulqiYq1togGJB5e3PwYVFFfeVgc6pbz3JdQyDoBszVaA==
+  resolved "https://registry.npmjs.org/@parcel/watcher-darwin-arm64/-/watcher-darwin-arm64-2.5.0.tgz"
+  integrity sha512-hyZ3TANnzGfLpRA2s/4U1kbw2ZI4qGxaRJbBH2DCSREFfubMswheh8TeiC1sGZ3z2jUf3s37P0BBlrD3sjVTUw==
 
 "@parcel/watcher@^2.4.1":
   version "2.5.0"
@@ -2289,15 +2289,10 @@
     estree-walker "^2.0.2"
     picomatch "^4.0.2"
 
-"@rollup/rollup-linux-x64-gnu@4.34.9":
-  version "4.34.9"
-  resolved "https://registry.npmjs.org/@rollup/rollup-linux-x64-gnu/-/rollup-linux-x64-gnu-4.34.9.tgz"
-  integrity sha512-FwBHNSOjUTQLP4MG7y6rR6qbGw4MFeQnIBrMe161QGaQoBQLqSUEKlHIiVgF3g/mb3lxlxzJOpIBhaP+C+KP2A==
-
-"@rollup/rollup-linux-x64-musl@4.34.9":
+"@rollup/rollup-darwin-arm64@4.34.9":
   version "4.34.9"
-  resolved "https://registry.npmjs.org/@rollup/rollup-linux-x64-musl/-/rollup-linux-x64-musl-4.34.9.tgz"
-  integrity sha512-cYRpV4650z2I3/s6+5/LONkjIz8MBeqrk+vPXV10ORBnshpn8S32bPqQ2Utv39jCiDcO2eJTuSlPXpnvmaIgRA==
+  resolved "https://registry.npmjs.org/@rollup/rollup-darwin-arm64/-/rollup-darwin-arm64-4.34.9.tgz"
+  integrity sha512-0CY3/K54slrzLDjOA7TOjN1NuLKERBgk9nY5V34mhmuu673YNb+7ghaDUs6N0ujXR7fz5XaS5Aa6d2TNxZd0OQ==
 
 "@rtsao/scc@^1.1.0":
   version "1.1.0"
@@ -2900,15 +2895,10 @@
     "@svgr/plugin-svgo" "^5.5.0"
     loader-utils "^2.0.0"
 
-"@swc/core-linux-x64-gnu@1.9.3":
+"@swc/core-darwin-arm64@1.9.3":
   version "1.9.3"
-  resolved "https://registry.npmjs.org/@swc/core-linux-x64-gnu/-/core-linux-x64-gnu-1.9.3.tgz"
-  integrity sha512-ivXXBRDXDc9k4cdv10R21ccBmGebVOwKXT/UdH1PhxUn9m/h8erAWjz5pcELwjiMf27WokqPgaWVfaclDbgE+w==
-
-"@swc/core-linux-x64-musl@1.9.3":
-  version "1.9.3"
-  resolved "https://registry.npmjs.org/@swc/core-linux-x64-musl/-/core-linux-x64-musl-1.9.3.tgz"
-  integrity sha512-ILsGMgfnOz1HwdDz+ZgEuomIwkP1PHT6maigZxaCIuC6OPEhKE8uYna22uU63XvYcLQvZYDzpR3ms47WQPuNEg==
+  resolved "https://registry.npmjs.org/@swc/core-darwin-arm64/-/core-darwin-arm64-1.9.3.tgz"
+  integrity sha512-hGfl/KTic/QY4tB9DkTbNuxy5cV4IeejpPD4zo+Lzt4iLlDWIeANL4Fkg67FiVceNJboqg48CUX+APhDHO5G1w==
 
 "@swc/core@*", "@swc/core@^1.5.22", "@swc/core@^1.7.26":
   version "1.9.3"
@@ -7211,6 +7201,16 @@ fs@^0.0.1-security:
   resolved "https://registry.npmjs.org/fs/-/fs-0.0.1-security.tgz"
   integrity sha512-3XY9e1pP0CVEUCdj5BmfIZxRBTSDycnbqhIOGec9QYtmVH2fbLpj86CFWkrNOkt/Fvty4KZG5lTglL9j/gJ87w==
 
+fsevents@^2.3.2, fsevents@~2.3.2, fsevents@~2.3.3:
+  version "2.3.3"
+  resolved "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz"
+  integrity sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==
+
+fsevents@2.3.2:
+  version "2.3.2"
+  resolved "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz"
+  integrity sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==
+
 function-bind@^1.1.2:
   version "1.1.2"
   resolved "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz"

From ebdc0b9faba354a6dc8e83678e36ee267243a64a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Sza=C5=82owski?= <michal.szalowski@gmail.com>
Date: Fri, 21 Mar 2025 07:54:44 +0100
Subject: [PATCH 4/4] chore: update govtool v2.0.18 release date

---
 CHANGELOG.md | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20bcbb026..e1ae987a6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,21 +12,18 @@ changes.
 
 ### Added
 
-- Add drep voting power list endpoint [Issue 3263](https://github.com/IntersectMBO/govtool/issues/3263)
-
 ### Fixed
 
 ### Changed
 
-- Bump CSL to v14 [Issue 3037](https://github.com/IntersectMBO/govtool/issues/3037)
-
 ### Removed
 
-## [v2.0.18](https://github.com/IntersectMBO/govtool/releases/tag/v2.0.18) 2025-03-20
+## [v2.0.18](https://github.com/IntersectMBO/govtool/releases/tag/v2.0.18) 2025-03-25
 
 ### Added
 
 - Add redirection to outcomes when proposal is not found [Issue 3230](https://github.com/IntersectMBO/govtool/issues/3230)
+- Add drep voting power list endpoint [Issue 3263](https://github.com/IntersectMBO/govtool/issues/3263)
 
 ### Fixed
 
@@ -34,6 +31,8 @@ changes.
 
 ### Changed
 
+- Bump CSL to v14 [Issue 3037](https://github.com/IntersectMBO/govtool/issues/3037)
+
 ### Removed
 
 ## [v2.0.17](https://github.com/IntersectMBO/govtool/releases/tag/v2.0.17) 2025-03-18