feat: handle nam as denominated amount

apps/namadillo/jest.config.ts

@@ -1,9 +1,28 @@
-import { createDefaultPreset, pathsToModuleNameMapper } from "ts-jest";
+import { pathsToModuleNameMapper } from "ts-jest";
 import { compilerOptions } from "../../tsconfig.base.json";
 
 /** @type {import('ts-jest').JestConfigWithTsJest} */
 module.exports = {
-  ...createDefaultPreset(),
+  transform: {
+    "^.+\\.tsx?$": [
+      "ts-jest",
+      {
+        diagnostics: {
+          ignoreCodes: [1343],
+        },
+        astTransformers: {
+          before: [
+            {
+              path: "../../node_modules/ts-jest-mock-import-meta",
+              options: {
+                metaObjectReplacement: { env: {} },
+              },
+            },
+          ],
+        },
+      },
+    ],
+  },
   roots: ["src"],
   displayName: "Namadillo",
   testEnvironment: "jsdom",

apps/namadillo/package.json

@@ -121,6 +121,7 @@
     "release-it": "^17.0.1",
     "tailwindcss": "^3.4.0",
     "ts-jest": "^29.2.5",
+    "ts-jest-mock-import-meta": "^1.2.1",
     "ts-node": "^10.9.1",
     "tsconfig-paths-webpack-plugin": "^4.1.0",
     "typescript": "^5.5.4",

apps/namadillo/src/atoms/accounts/atoms.ts

@@ -7,7 +7,6 @@ import { namadaExtensionConnectedAtom } from "atoms/settings";
 import { queryDependentFn } from "atoms/utils";
 import BigNumber from "bignumber.js";
 import { atomWithMutation, atomWithQuery } from "jotai-tanstack-query";
-import { chainConfigByName } from "registry";
 import {
   fetchAccountBalance,
   fetchAccounts,
@@ -85,7 +84,6 @@ export const accountBalanceAtom = atomWithQuery<BigNumber>((get) => {
   const tokenAddress = get(nativeTokenAddressAtom);
   const enablePolling = get(shouldUpdateBalanceAtom);
   const api = get(indexerApiAtom);
-  const chainConfig = chainConfigByName("namada");
 
   return {
     // TODO: subscribe to indexer events when it's done
@@ -95,10 +93,7 @@ export const accountBalanceAtom = atomWithQuery<BigNumber>((get) => {
       return await fetchNamAccountBalance(
         api,
         defaultAccount.data,
-        tokenAddress.data!,
-        // As this is a nam balance specific atom, we can safely assume that the
-        // first currency is the native token
-        chainConfig.currencies[0].coinDecimals
+        tokenAddress.data!
       );
     }, [tokenAddress, defaultAccount]),
   };

apps/namadillo/src/atoms/accounts/services.ts

@@ -17,14 +17,12 @@ export const fetchDefaultAccount = async (): Promise<Account | undefined> => {
 export const fetchNamAccountBalance = async (
   api: DefaultApi,
   account: Account | undefined,
-  tokenAddress: string,
-  decimals: number
+  tokenAddress: string
 ): Promise<BigNumber> => {
   if (!account) return BigNumber(0);
   const balancesResponse = await api.apiV1AccountAddressGet(account.address);
 
   const balance = balancesResponse.data
-    // TODO: add filter to the api call
     .filter(({ tokenAddress: ta }) => ta === tokenAddress)
     .map(({ tokenAddress, balance }) => {
       return {
@@ -34,9 +32,7 @@ export const fetchNamAccountBalance = async (
     })
     .at(0);
 
-  return balance ?
-      BigNumber(balance.amount).shiftedBy(-decimals)
-    : BigNumber(0);
+  return balance ? BigNumber(balance.amount) : BigNumber(0);
 };
 
 export const fetchAccountBalance = async (

apps/namadillo/src/atoms/balance/atoms.ts

@@ -69,11 +69,7 @@ export const shieldedBalanceAtom = atomWithQuery<
       );
       const shieldedBalance = response.map(([address, amount]) => ({
         address,
-        amount:
-          // Sdk returns the nam amount as `nam` instead of `namnam`
-          namTokenAddressQuery.data === address ?
-            new BigNumber(amount).shiftedBy(6)
-          : new BigNumber(amount),
+        amount: new BigNumber(amount),
       }));
       return shieldedBalance;
     }, [viewingKeyQuery, tokenAddressesQuery, namTokenAddressQuery]),

apps/namadillo/src/atoms/integrations/functions.ts

@@ -43,6 +43,13 @@ import internalDevnetCosmosTestnetIbc from "namada-chain-registry/_IBC/namadaint
 
 // TODO: this causes a big increase on bundle size. See #1224.
 import cosmosRegistry from "chain-registry";
+import { namadaLocal, namadaLocalAsset } from "registry/namada-local";
+
+const {
+  VITE_LOCALNET: localnet = false,
+  VITE_LOCALNET_CHAIN_ID: localChainId,
+  VITE_LOCALNET_NAM_TOKEN: localToken,
+} = import.meta.env;
 
 cosmosRegistry.chains.push(internalDevnetChain, housefireChain, dryrunChain);
 
@@ -75,6 +82,18 @@ const testnetChains: ChainRegistryEntry[] = [
 
 const mainnetAndTestnetChains = [...mainnetChains, ...testnetChains];
 
+if (localnet && localChainId && localToken) {
+  const localChain: ChainRegistryEntry = {
+    chain: namadaLocal(localChainId),
+    assets: namadaLocalAsset(localToken),
+  };
+
+  cosmosRegistry.chains.push(localChain.chain);
+  cosmosRegistry.assets.push(localChain.assets);
+
+  mainnetChains.push(localChain);
+}
+
 export const getKnownChains = (
   includeTestnets?: boolean
 ): ChainRegistryEntry[] => {

apps/namadillo/src/hooks/useRegistryFeatures.tsx

@@ -7,7 +7,7 @@ import {
 import { useAtom, useAtomValue } from "jotai";
 import { useEffect } from "react";
 
-const { VITE_PROXY } = process.env;
+const { VITE_PROXY } = import.meta.env;
 
 const namadaChainRegistryUrl =
   VITE_PROXY ?

apps/namadillo/src/registry/namada-local.ts

@@ -0,0 +1,85 @@
+import { AssetList, Chain } from "@chain-registry/types";
+
+export const namadaLocal = (chainId: string): Chain => ({
+  $schema: "../chain.schema.json",
+  chain_name: "localnet",
+  status: "upcoming",
+  network_type: "testnet",
+  website: "https://namada.net",
+  pretty_name: "Namada",
+  chain_id: chainId,
+  slip44: 877,
+  bech32_prefix: "tnam",
+  daemon_name: "unam",
+  key_algos: ["ed25519"],
+  fees: {
+    fee_tokens: [
+      {
+        denom: "unam",
+        fixed_min_gas_price: 0.0025,
+        low_gas_price: 0.0025,
+        average_gas_price: 0.025,
+        high_gas_price: 0.04,
+      },
+    ],
+  },
+  staking: {
+    staking_tokens: [
+      {
+        denom: "unam",
+      },
+    ],
+    lock_duration: {
+      time: "1209600s",
+    },
+  },
+  codebase: {
+    git_repo: "https://github.com/anoma/namada",
+  },
+  apis: {
+    rpc: [
+      {
+        address: "127.0.0.1:27657",
+        provider: "Localnet",
+      },
+    ],
+    rest: [
+      {
+        address: "127.0.0.1:27657",
+        provider: "Localnet",
+      },
+    ],
+  },
+  logo_URIs: {
+    svg: "https://raw.githubusercontent.com/anoma/namada-chain-registry/main/namada/images/namada.svg",
+  },
+});
+
+export const namadaLocalAsset = (tokenAddress: string): AssetList => ({
+  $schema: "../assetlist.schema.json",
+  chain_name: "localnet",
+  assets: [
+    {
+      description: "The native token of Namada.",
+      denom_units: [
+        {
+          denom: "unam",
+          exponent: 0,
+        },
+        {
+          denom: "nam",
+          exponent: 6,
+        },
+      ],
+      type_asset: "sdk.coin",
+      base: "unam",
+      name: "NAM",
+      display: "nam",
+      symbol: "NAM",
+      address: tokenAddress,
+      logo_URIs: {
+        svg: "https://raw.githubusercontent.com/anoma/namada-chain-registry/main/namada/images/namada.svg",
+      },
+    },
+  ],
+});

apps/namadillo/src/registry/namadaAsset.ts

@@ -1,10 +1,16 @@
 import { Asset } from "@chain-registry/types";
 import namadaShieldedSvg from "./assets/namada-shielded.svg";
 
+const { VITE_LOCALNET: localnet = false, VITE_LOCALNET_NAM_TOKEN: localToken } =
+  import.meta.env;
+
 export const namadaAsset = {
   name: "Namada",
   base: "unam",
-  address: "tnam1qy440ynh9fwrx8aewjvvmu38zxqgukgc259fzp6h",
+  address:
+    localnet && localToken ? localToken : (
+      "tnam1qxp7u2vmlgcrpn9j0ml7hrtr79g2w2fdesteh7tu"
+    ),
   display: "nam",
   symbol: "NAM",
   denom_units: [

apps/namadillo/src/utils/index.ts

@@ -128,6 +128,8 @@ export const toDisplayAmount = (
   asset: Asset,
   baseAmount: BigNumber
 ): BigNumber => {
+  if (isNamAsset(asset)) return baseAmount;
+
   const displayUnit = findDisplayUnit(asset);
   if (!displayUnit) {
     return baseAmount;
@@ -139,7 +141,6 @@ export const toBaseAmount = (
   asset: Asset,
   displayAmount: BigNumber
 ): BigNumber => {
-  if (isNamAsset(asset)) return displayAmount;
   const displayUnit = findDisplayUnit(asset);
   if (!displayUnit) {
     return displayAmount;

yarn.lock

@@ -3691,6 +3691,7 @@ __metadata:
     toml: "npm:^3.0.0"
     traverse: "npm:^0.6.9"
     ts-jest: "npm:^29.2.5"
+    ts-jest-mock-import-meta: "npm:^1.2.1"
     ts-node: "npm:^10.9.1"
     tsconfig-paths-webpack-plugin: "npm:^4.1.0"
     typescript: "npm:^5.5.4"
@@ -20865,6 +20866,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ts-jest-mock-import-meta@npm:^1.2.1":
+  version: 1.2.1
+  resolution: "ts-jest-mock-import-meta@npm:1.2.1"
+  peerDependencies:
+    ts-jest: ">=20.0.0"
+  checksum: 86eb214916bfbf0934eadde56c8c4562f98b0bd5d03d24baa2b636746f248b4d96d5b489a4e0b25b5aec33f9d7d93ef289c9def47d848b46f6a456e9a8f9e2cd
+  languageName: node
+  linkType: hard
+
 "ts-jest@npm:^29.2.5":
   version: 29.2.5
   resolution: "ts-jest@npm:29.2.5"