From fd35c7e94e98b517f36c83fa14fcf775bb6c345f Mon Sep 17 00:00:00 2001
From: Derek <256792747+decofe@users.noreply.github.com>
Date: Wed, 30 Sep 2026 12:47:23 +0000
Subject: [PATCH 1/5] feat: default to OUSD on mainnet

Co-authored-by: Derek Cofausper <256792747+decofe@users.noreply.github.com>
---
 package.json          |  4 +--
 pnpm-lock.yaml        | 77 +++++++++++++++++++++----------------------
 src/api.ts            | 14 +++++---
 src/chat.ts           | 59 ++++++++++++++++++++++-----------
 src/lib/slack.ts      |  1 +
 src/lib/tempo.test.ts | 16 +++++++++
 src/lib/tempo.ts      | 19 +++++++++--
 src/lib/tip.ts        | 47 ++++++++++++++++++++------
 8 files changed, 160 insertions(+), 77 deletions(-)

diff --git a/package.json b/package.json
index a8c0757..0fa8ba9 100644
--- a/package.json
+++ b/package.json
@@ -40,11 +40,11 @@
     "hono": "4.13.7",
     "kysely": "0.28.17",
     "nanoid": "^5.1.16",
-    "ox": "0.14.20",
+    "ox": "0.14.45",
     "react": "19.2.5",
     "react-dom": "19.2.5",
     "tapimo": "0.5.2",
-    "viem": "^2.55.10",
+    "viem": "^2.57.1",
     "wagmi": "^3.6.14",
     "zod": "4.4.3"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b9bb2b9..c64de7b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -70,7 +70,7 @@ importers:
         version: 1.167.35(@tanstack/react-router@1.169.2(react-dom@19.2.5(react@19.2.5))(react@19.2.5))(@voidzero-dev/vite-plus-core@0.1.24)
       accounts:
         specifier: ^0.15.2
-        version: 0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14)
+        version: 0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14)
       chat:
         specifier: 4.27.0
         version: 4.27.0
@@ -84,8 +84,8 @@ importers:
         specifier: ^5.1.16
         version: 5.1.16
       ox:
-        specifier: 0.14.20
-        version: 0.14.20(typescript@6.0.3)(zod@4.4.3)
+        specifier: 0.14.45
+        version: 0.14.45(typescript@6.0.3)(zod@4.4.3)
       react:
         specifier: 19.2.5
         version: 19.2.5
@@ -96,11 +96,11 @@ importers:
         specifier: 0.5.2
         version: 0.5.2(0a9fca14114bb98809b2b223454df2b6)
       viem:
-        specifier: ^2.55.10
-        version: 2.55.10(typescript@6.0.3)(zod@4.4.3)
+        specifier: ^2.57.1
+        version: 2.57.1(typescript@6.0.3)(zod@4.4.3)
       wagmi:
         specifier: ^3.6.14
-        version: 3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
+        version: 3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
       zod:
         specifier: 4.4.3
         version: 4.4.3
@@ -4830,8 +4830,8 @@ packages:
       typescript:
         optional: true
 
-  ox@0.14.33:
-    resolution: {integrity: sha512-rooA/4o7bBof4Ge2VH/eovfNPb/AEEYyrNj03wggc55g5HZD8Pjs/OeWhttgjic3dDcqn0r29bDuvQEdTiUemQ==}
+  ox@0.14.45:
+    resolution: {integrity: sha512-jpsQ+p0JZh9mKCxxzxz0d5qFHZZg2/O9xW18IpEC/dNXXPVqmDJ0c//9RMz0CILkbSGPA42+cbU0fC/ghwJ03w==}
     peerDependencies:
       typescript: '>=5.4.0'
     peerDependenciesMeta:
@@ -5930,8 +5930,8 @@ packages:
       typescript:
         optional: true
 
-  viem@2.55.10:
-    resolution: {integrity: sha512-Q9Ba+/ma81U2M5o5P2AQ7Ux8rTIwmCZvUcr8rKdQ22bV0IBFHllM2m5gWDP8hFaUN2nH2oW3QG44amRazflYNQ==}
+  viem@2.57.1:
+    resolution: {integrity: sha512-eOV3fHnaMzkIFRefZg1icWztAKvBHg7RMKEH89ywY7hnyq1VxI4s/osXnTBViOsEZ7/LbbxU3w+JaIrbeIXRPQ==}
     peerDependencies:
       typescript: '>=5.0.4'
     peerDependenciesMeta:
@@ -8782,23 +8782,23 @@ snapshots:
     dependencies:
       vue: 3.5.40(typescript@6.0.3)
 
-  '@wagmi/connectors@8.0.13(@wagmi/core@3.4.11)(accounts@0.15.2)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))':
+  '@wagmi/connectors@8.0.13(@wagmi/core@3.4.11)(accounts@0.15.2)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))':
     dependencies:
-      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
-      viem: 2.55.10(typescript@6.0.3)(zod@4.4.3)
+      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
+      viem: 2.57.1(typescript@6.0.3)(zod@4.4.3)
     optionalDependencies:
-      accounts: 0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14)
+      accounts: 0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14)
       typescript: 6.0.3
 
-  '@wagmi/core@3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))':
+  '@wagmi/core@3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))':
     dependencies:
       eventemitter3: 5.0.1
       mipd: 0.0.7(typescript@6.0.3)
-      viem: 2.55.10(typescript@6.0.3)(zod@4.4.3)
+      viem: 2.57.1(typescript@6.0.3)(zod@4.4.3)
       zustand: 5.0.0(@types/react@19.2.14)(react@19.2.5)(use-sync-external-store@1.4.0(react@19.2.5))
     optionalDependencies:
       '@tanstack/query-core': 5.100.10
-      accounts: 0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14)
+      accounts: 0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14)
       typescript: 6.0.3
     transitivePeerDependencies:
       - '@types/react'
@@ -8834,16 +8834,16 @@ snapshots:
       jose: 6.2.3
       mipd: 0.0.7(typescript@6.0.3)
       mppx: 0.8.9(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(express@5.2.1)(hono@4.13.7)(typescript@6.0.3)(viem@2.54.6(typescript@6.0.3)(zod@4.4.3))
-      ox: 0.14.33(typescript@6.0.3)(zod@4.4.3)
+      ox: 0.14.45(typescript@6.0.3)(zod@4.4.3)
       wata: 0.4.0(react@19.2.5)(typescript@6.0.3)
       webauthx: 0.1.2(typescript@6.0.3)(zod@4.4.3)
       zod: 4.4.3
       zustand: 5.0.13(@types/react@19.2.14)(react@19.2.5)(use-sync-external-store@1.4.0(react@19.2.5))
     optionalDependencies:
-      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
+      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
       react: 19.2.5
       viem: 2.54.6(typescript@6.0.3)(zod@4.4.3)
-      wagmi: 3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
+      wagmi: 3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
     transitivePeerDependencies:
       - '@modelcontextprotocol/sdk'
       - '@types/react'
@@ -8854,23 +8854,23 @@ snapshots:
       - typescript
       - use-sync-external-store
 
-  accounts@0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14):
+  accounts@0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14):
     dependencies:
       hono: 4.13.7
       idb-keyval: 6.2.2
       jose: 6.2.3
       mipd: 0.0.7(typescript@6.0.3)
-      mppx: 0.8.9(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(express@5.2.1)(hono@4.13.7)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
-      ox: 0.14.33(typescript@6.0.3)(zod@4.4.3)
+      mppx: 0.8.9(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(express@5.2.1)(hono@4.13.7)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
+      ox: 0.14.45(typescript@6.0.3)(zod@4.4.3)
       wata: 0.4.0(react@19.2.5)(typescript@6.0.3)
       webauthx: 0.1.2(typescript@6.0.3)(zod@4.4.3)
       zod: 4.4.3
       zustand: 5.0.13(@types/react@19.2.14)(react@19.2.5)(use-sync-external-store@1.4.0(react@19.2.5))
     optionalDependencies:
-      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
+      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
       react: 19.2.5
-      viem: 2.55.10(typescript@6.0.3)(zod@4.4.3)
-      wagmi: 3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
+      viem: 2.57.1(typescript@6.0.3)(zod@4.4.3)
+      wagmi: 3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
     transitivePeerDependencies:
       - '@modelcontextprotocol/sdk'
       - '@types/react'
@@ -10902,13 +10902,13 @@ snapshots:
     transitivePeerDependencies:
       - typescript
 
-  mppx@0.8.9(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(express@5.2.1)(hono@4.13.7)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3)):
+  mppx@0.8.9(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(express@5.2.1)(hono@4.13.7)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3)):
     dependencies:
       '@stripe/stripe-js': 9.9.0
       eventsource-parser: 3.1.0
       incur: 0.4.19
       ox: 0.14.30(typescript@6.0.3)(zod@4.4.3)
-      viem: 2.55.10(typescript@6.0.3)(zod@4.4.3)
+      viem: 2.57.1(typescript@6.0.3)(zod@4.4.3)
       zod: 4.4.3
     optionalDependencies:
       '@modelcontextprotocol/sdk': 1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3)
@@ -11034,7 +11034,7 @@ snapshots:
       '@noble/hashes': 1.8.0
       '@scure/bip32': 1.7.0
       '@scure/bip39': 1.6.0
-      abitype: 1.2.3(typescript@6.0.3)(zod@4.4.3)
+      abitype: 1.3.0(typescript@6.0.3)(zod@4.4.3)
       eventemitter3: 5.0.1
     optionalDependencies:
       typescript: 6.0.3
@@ -11056,7 +11056,7 @@ snapshots:
     transitivePeerDependencies:
       - zod
 
-  ox@0.14.33(typescript@6.0.3)(zod@4.4.3):
+  ox@0.14.45(typescript@6.0.3)(zod@4.4.3):
     dependencies:
       '@adraffy/ens-normalize': 1.11.1
       '@noble/ciphers': 1.3.0
@@ -11064,7 +11064,7 @@ snapshots:
       '@noble/hashes': 1.8.0
       '@scure/bip32': 1.7.0
       '@scure/bip39': 1.6.0
-      abitype: 1.2.3(typescript@6.0.3)(zod@4.4.3)
+      abitype: 1.3.0(typescript@6.0.3)(zod@4.4.3)
       eventemitter3: 5.0.1
     optionalDependencies:
       typescript: 6.0.3
@@ -12187,7 +12187,7 @@ snapshots:
       abitype: 1.3.0(typescript@6.0.3)(zod@4.4.3)
       kysely: 0.28.17
       mitt: 3.0.1
-      ox: 0.14.30(typescript@6.0.3)(zod@4.4.3)
+      ox: 0.14.20(typescript@6.0.3)(zod@4.4.3)
       zod: 4.4.3
     transitivePeerDependencies:
       - typescript
@@ -12515,7 +12515,7 @@ snapshots:
       - utf-8-validate
       - zod
 
-  viem@2.55.10(typescript@6.0.3)(zod@4.4.3):
+  viem@2.57.1(typescript@6.0.3)(zod@4.4.3):
     dependencies:
       '@noble/curves': 1.9.1
       '@noble/hashes': 1.8.0
@@ -12523,7 +12523,7 @@ snapshots:
       '@scure/bip39': 1.6.0
       abitype: 1.2.3(typescript@6.0.3)(zod@4.4.3)
       isows: 1.0.7(ws@8.21.0)
-      ox: 0.14.33(typescript@6.0.3)(zod@4.4.3)
+      ox: 0.14.45(typescript@6.0.3)(zod@4.4.3)
       ws: 8.21.0
     optionalDependencies:
       typescript: 6.0.3
@@ -12736,14 +12736,14 @@ snapshots:
 
   w3c-keyname@2.2.8: {}
 
-  wagmi@3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3)):
+  wagmi@3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3)):
     dependencies:
       '@tanstack/react-query': 5.100.10(react@19.2.5)
-      '@wagmi/connectors': 8.0.13(@wagmi/core@3.4.11)(accounts@0.15.2)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
-      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
+      '@wagmi/connectors': 8.0.13(@wagmi/core@3.4.11)(accounts@0.15.2)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
+      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
       react: 19.2.5
       use-sync-external-store: 1.4.0(react@19.2.5)
-      viem: 2.55.10(typescript@6.0.3)(zod@4.4.3)
+      viem: 2.57.1(typescript@6.0.3)(zod@4.4.3)
     optionalDependencies:
       typescript: 6.0.3
     transitivePeerDependencies:
@@ -12954,7 +12954,6 @@ time:
   chat@4.27.0: '2026-04-30T20:46:13.887Z'
   emulate@0.5.0: '2026-04-29T05:49:35.977Z'
   kysely@0.28.17: '2026-05-03T01:05:34.179Z'
-  ox@0.14.20: '2026-04-21T20:34:36.837Z'
   react-dom@19.2.5: '2026-04-08T18:39:31.423Z'
   react@19.2.5: '2026-04-08T18:39:24.455Z'
   tailwindcss@4.2.4: '2026-04-21T13:15:55.494Z'
diff --git a/src/api.ts b/src/api.ts
index ff9eb06..a1bc79a 100644
--- a/src/api.ts
+++ b/src/api.ts
@@ -115,7 +115,9 @@ export const api = new Hono<{
       chainName: Tempo.getChainName(link.chain_id),
       expiresAt: link.expires_at,
       ok: true as const,
-      tokenAddress: Address.checksum(link.default_token_address ?? Tempo.addressLookup.pathUsd),
+      tokenAddress: Address.checksum(
+        link.default_token_address ?? Tempo.getDefaultTokenAddress(link.chain_id),
+      ),
     })
   })
   .post(
@@ -176,7 +178,9 @@ export const api = new Hono<{
           expiresAt: link.access_key_expires_at,
           keyAuthorization: body.keyAuthorization,
           rootAddress: body.address,
-          tokenAddress: Address.checksum(link.default_token_address ?? Tempo.addressLookup.pathUsd),
+          tokenAddress: Address.checksum(
+            link.default_token_address ?? Tempo.getDefaultTokenAddress(link.chain_id),
+          ),
         })
         const now = new Date().toISOString()
         const existingAccount = await c.var.db
@@ -252,7 +256,9 @@ export const api = new Hono<{
           .where(
             'token_address',
             '=',
-            Address.checksum(link.default_token_address ?? Tempo.addressLookup.pathUsd),
+            Address.checksum(
+              link.default_token_address ?? Tempo.getDefaultTokenAddress(link.chain_id),
+            ),
           )
           .execute()
         await c.var.db
@@ -274,7 +280,7 @@ export const api = new Hono<{
             id: Nanoid.generate(),
             revoked_at: null,
             token_address: Address.checksum(
-              link.default_token_address ?? Tempo.addressLookup.pathUsd,
+              link.default_token_address ?? Tempo.getDefaultTokenAddress(link.chain_id),
             ),
             updated_at: now,
           })
diff --git a/src/chat.ts b/src/chat.ts
index 34a5209..580279d 100644
--- a/src/chat.ts
+++ b/src/chat.ts
@@ -832,7 +832,8 @@ const actions = {
     }
 
     const reactionTipConfigs = await getReactionTipConfigs(DB.create(env.DB), workspace.id)
-    const tokenAddress = workspace.default_token_address ?? Tempo.addressLookup.pathUsd
+    const tokenAddress =
+      workspace.default_token_address ?? Tempo.getDefaultTokenAddress(workspace.chain_id)
     const tokenOptions = workspaceTokenOptions(workspace.chain_id)
     const tokenValue =
       tokenOptions.find((option) => option.address.toLowerCase() === tokenAddress.toLowerCase())
@@ -1014,7 +1015,7 @@ const modalSubmits = {
     if (!creator) return
 
     const tokenAddress = Address.checksum(
-      workspace.default_token_address ?? Tempo.addressLookup.pathUsd,
+      workspace.default_token_address ?? Tempo.getDefaultTokenAddress(workspace.chain_id),
     )
     const balance = await Actions.token.getBalance(
       createClient({
@@ -1167,7 +1168,8 @@ const modalSubmits = {
     if (!installation) return
 
     const now = new Date()
-    const tokenAddress = workspace.default_token_address ?? Tempo.addressLookup.pathUsd
+    const tokenAddress =
+      workspace.default_token_address ?? Tempo.getDefaultTokenAddress(workspace.chain_id)
     const tipRaffle = {
       chain_id: workspace.chain_id,
       created_at: now.toISOString(),
@@ -1375,7 +1377,8 @@ const handlers = {
       return
     }
 
-    const tokenAddress = workspace.default_token_address ?? Tempo.addressLookup.pathUsd
+    const tokenAddress =
+      workspace.default_token_address ?? Tempo.getDefaultTokenAddress(workspace.chain_id)
     const token = await Tapimo.getTokenMetadata(env, workspace.chain_id, tokenAddress)
     if (!('openModal' in event)) {
       await postPrivateReply(
@@ -1451,7 +1454,8 @@ const handlers = {
       return
     }
 
-    const tokenAddress = workspace.default_token_address ?? Tempo.addressLookup.pathUsd
+    const tokenAddress =
+      workspace.default_token_address ?? Tempo.getDefaultTokenAddress(workspace.chain_id)
     const token = await Tapimo.getTokenMetadata(env, workspace.chain_id, tokenAddress)
     if (!('openModal' in event)) return
     await event.openModal(
@@ -1579,7 +1583,8 @@ const handlers = {
       provider_id: ctx.provider.id,
       provider_message_ts: 'pending',
       requester_member_id: requester.memberId,
-      token_address: workspace.default_token_address ?? Tempo.addressLookup.pathUsd,
+      token_address:
+        workspace.default_token_address ?? Tempo.getDefaultTokenAddress(workspace.chain_id),
       updated_at: now,
       workspace_id: workspace.id,
     } satisfies DB_gen.Insertable.tip_ask
@@ -2590,6 +2595,7 @@ const tipRaffleDurationOptions = [
   { label: '7 days', ms: 7 * 24 * 60 * 60 * 1000, value: '7d' }, // 7 days
 ] as const
 const tokenOptions = [
+  { address: Tempo.addressLookup.ousd, label: 'OUSD', value: 'OUSD' },
   { address: Tempo.addressLookup.pathUsd, label: 'PathUSD', value: 'pathUSD' },
   { address: Tempo.addressLookup.usdcE, label: 'USDC.e', value: 'USDC.e' },
   { address: Tempo.addressLookup.usdt0, label: 'USDT0', value: 'USDT0' },
@@ -4608,7 +4614,9 @@ async function sendTipRaffleEscrowPayout(
       feePayer: 'sender',
       isDefaultToken: Address.isEqual(
         Address.checksum(existing.token_address),
-        Address.checksum(existing.default_token_address ?? Tempo.addressLookup.pathUsd),
+        Address.checksum(
+          existing.default_token_address ?? Tempo.getDefaultTokenAddress(existing.chain_id),
+        ),
       ),
       memo: existing.memo,
       ok: true,
@@ -4745,7 +4753,9 @@ async function sendTipRaffleEscrowPayout(
       feePayer: 'sender',
       isDefaultToken: Address.isEqual(
         Address.checksum(input.tokenAddress),
-        Address.checksum(workspace.default_token_address ?? Tempo.addressLookup.pathUsd),
+        Address.checksum(
+          workspace.default_token_address ?? Tempo.getDefaultTokenAddress(workspace.chain_id),
+        ),
       ),
       memo: input.memo,
       ok: true,
@@ -4890,7 +4900,10 @@ async function tipRaffleMessage(db: DB.Type, tipRaffle: TipRaffleMessageInput) {
     const value = formatAmount(amount)
     return Address.isEqual(
       Address.checksum(tipRaffle.token_address),
-      Address.checksum(tipRaffle.workspace_default_token_address ?? Tempo.addressLookup.pathUsd),
+      Address.checksum(
+        tipRaffle.workspace_default_token_address ??
+          Tempo.getDefaultTokenAddress(tipRaffle.chain_id),
+      ),
     )
       ? formatCurrencyAmount(value, token.currency)
       : formatTipAmount(value, token.currency, token.symbol)
@@ -4997,7 +5010,9 @@ async function tipAskMessage(db: DB.Type, tipAsk: TipAskMessageInput) {
     const value = formatAmount(amount)
     return Address.isEqual(
       Address.checksum(tipAsk.token_address),
-      Address.checksum(tipAsk.workspace_default_token_address ?? Tempo.addressLookup.pathUsd),
+      Address.checksum(
+        tipAsk.workspace_default_token_address ?? Tempo.getDefaultTokenAddress(tipAsk.chain_id),
+      ),
     )
       ? formatCurrencyAmount(value, token.currency)
       : formatTipAmount(value, token.currency, token.symbol)
@@ -5312,7 +5327,7 @@ export async function updateReceiptBoostAggregate(
       const amount = formatAmount(group.amount)
       const displayAmount = Address.isEqual(
         Address.checksum(group.tokenAddress),
-        Address.checksum(group.defaultTokenAddress ?? Tempo.addressLookup.pathUsd),
+        Address.checksum(group.defaultTokenAddress ?? Tempo.getDefaultTokenAddress(group.chainId)),
       )
         ? formatCurrencyAmount(amount, token.currency)
         : formatTipAmount(amount, token.currency, token.symbol)
@@ -6056,7 +6071,9 @@ async function postConnectLink(event: TipEvent, ctx: HandlerContext) {
       (row) =>
         !row.token_address ||
         row.token_address.toLowerCase() ===
-          (workspace.default_token_address ?? Tempo.addressLookup.pathUsd).toLowerCase(),
+          (
+            workspace.default_token_address ?? Tempo.getDefaultTokenAddress(workspace.chain_id)
+          ).toLowerCase(),
     )
     if (accessKey && !ctx.forceConnectRefresh) {
       await postPrivateReply(event, event.user, 'Already connected', { threadTs: ctx.threadTs })
@@ -6801,7 +6818,7 @@ async function reactionTipAggregateText(
       const amount = formatAmount(row.amount)
       const displayAmount = Address.isEqual(
         Address.checksum(row.token_address),
-        Address.checksum(row.default_token_address ?? Tempo.addressLookup.pathUsd),
+        Address.checksum(row.default_token_address ?? Tempo.getDefaultTokenAddress(row.chain_id)),
       )
         ? formatCurrencyAmount(amount, token.currency)
         : formatTipAmount(amount, token.currency, token.symbol)
@@ -6819,7 +6836,7 @@ async function reactionTipAggregateText(
       const amount = formatAmount(row.amount)
       const displayAmount = Address.isEqual(
         Address.checksum(row.token_address),
-        Address.checksum(row.default_token_address ?? Tempo.addressLookup.pathUsd),
+        Address.checksum(row.default_token_address ?? Tempo.getDefaultTokenAddress(row.chain_id)),
       )
         ? formatCurrencyAmount(amount, token.currency)
         : formatTipAmount(amount, token.currency, token.symbol)
@@ -6844,7 +6861,7 @@ async function reactionTipAggregateText(
       const amount = formatAmount(row.amount)
       const displayAmount = Address.isEqual(
         Address.checksum(row.token_address),
-        Address.checksum(row.default_token_address ?? Tempo.addressLookup.pathUsd),
+        Address.checksum(row.default_token_address ?? Tempo.getDefaultTokenAddress(row.chain_id)),
       )
         ? formatCurrencyAmount(amount, token.currency)
         : formatTipAmount(amount, token.currency, token.symbol)
@@ -7036,7 +7053,9 @@ export async function updateSlackPendingTipMessage(db: DB.Type, result: Tip.Pend
     .executeTakeFirst()
   const amount = Address.isEqual(
     Address.checksum(result.pendingTip.token_address),
-    Address.checksum(workspace?.default_token_address ?? Tempo.addressLookup.pathUsd),
+    Address.checksum(
+      workspace?.default_token_address ?? Tempo.getDefaultTokenAddress(result.pendingTip.chain_id),
+    ),
   )
     ? formatCurrencyAmount(formatAmount(result.pendingTip.amount), tokenMetadata.currency)
     : formatTipAmount(
@@ -7320,7 +7339,8 @@ async function configCard(
   options?: { canEdit?: boolean; updated?: boolean },
 ) {
   const reactionTipConfigs = await getReactionTipConfigs(db, workspace.id)
-  const tokenAddress = workspace.default_token_address ?? Tempo.addressLookup.pathUsd
+  const tokenAddress =
+    workspace.default_token_address ?? Tempo.getDefaultTokenAddress(workspace.chain_id)
   const token = Tempo.getTokenMetadataFallback(tokenAddress)
   const networkLabel = workspace.chain_id === Tempo.chainLookup.mainnet ? 'Mainnet' : 'Testnet'
   return {
@@ -7429,7 +7449,8 @@ function configFallbackText(
   reactionTipConfigs: ReactionTipConfig[],
   options?: { updated?: boolean },
 ) {
-  const tokenAddress = workspace.default_token_address ?? Tempo.addressLookup.pathUsd
+  const tokenAddress =
+    workspace.default_token_address ?? Tempo.getDefaultTokenAddress(workspace.chain_id)
   return `Setting Value\nNetwork ${configNetworkLabel(workspace)}\nDefault token ${configToken(workspace).symbol} ${Tempo.explorerLink(workspace.chain_id, tokenAddress)}\nDefault amount ${formatAmount(workspace.default_amount)}\nReaction tips ${reactionTipConfigsText(reactionTipConfigs)}${options?.updated ? '\nWorkspace settings updated' : ''}`
 }
 
@@ -7439,7 +7460,7 @@ function configNetworkLabel(workspace: DB_gen.Selectable.workspace) {
 
 function configToken(workspace: DB_gen.Selectable.workspace) {
   return Tempo.getTokenMetadataFallback(
-    workspace.default_token_address ?? Tempo.addressLookup.pathUsd,
+    workspace.default_token_address ?? Tempo.getDefaultTokenAddress(workspace.chain_id),
   )
 }
 
diff --git a/src/lib/slack.ts b/src/lib/slack.ts
index 5f5f3be..382158e 100644
--- a/src/lib/slack.ts
+++ b/src/lib/slack.ts
@@ -616,6 +616,7 @@ async function buildHomeView(input: {
     (async () => {
       // Fetch balances for every token allowed in this workspace, falling back to RPC.
       const tokens = [
+        { address: Tempo.addressLookup.ousd, label: 'OUSD' },
         { address: Tempo.addressLookup.pathUsd, label: 'PathUSD' },
         { address: Tempo.addressLookup.usdcE, label: 'USDC.e' },
         { address: Tempo.addressLookup.usdt0, label: 'USDT0' },
diff --git a/src/lib/tempo.test.ts b/src/lib/tempo.test.ts
index e9ec5ca..a92aa2c 100644
--- a/src/lib/tempo.test.ts
+++ b/src/lib/tempo.test.ts
@@ -25,11 +25,20 @@ test('returns optional RPC URLs by chain', () => {
   expect(Tempo.getRpcUrl({}, 1)).toBe(undefined)
 })
 
+test('returns default token by chain', () => {
+  expect(Tempo.addressLookup.ousd).toBe('0x20c0000000000000000000006a37DA5C996874BE')
+  expect(Tempo.getDefaultTokenAddress(Tempo.chainLookup.mainnet)).toBe(Tempo.addressLookup.ousd)
+  expect(Tempo.getDefaultTokenAddress(Tempo.chainLookup.testnet)).toBe(Tempo.addressLookup.pathUsd)
+  expect(Tempo.getDefaultTokenAddress(Tempo.chainLookup.localnet)).toBe(Tempo.addressLookup.pathUsd)
+})
+
 test('checks allowed tokens by chain', () => {
+  expect(Tempo.isAllowedToken(Tempo.chainLookup.mainnet, Tempo.addressLookup.ousd)).toBe(true)
   expect(Tempo.isAllowedToken(Tempo.chainLookup.mainnet, Tempo.addressLookup.pathUsd)).toBe(true)
   expect(Tempo.isAllowedToken(Tempo.chainLookup.mainnet, Tempo.addressLookup.usdcE)).toBe(true)
   expect(Tempo.isAllowedToken(Tempo.chainLookup.mainnet, Tempo.addressLookup.usdt0)).toBe(true)
   expect(Tempo.isAllowedToken(Tempo.chainLookup.mainnet, Tempo.addressLookup.alphaUsd)).toBe(false)
+  expect(Tempo.isAllowedToken(Tempo.chainLookup.testnet, Tempo.addressLookup.ousd)).toBe(false)
   expect(Tempo.isAllowedToken(Tempo.chainLookup.testnet, Tempo.addressLookup.pathUsd)).toBe(true)
   expect(Tempo.isAllowedToken(Tempo.chainLookup.testnet, Tempo.addressLookup.alphaUsd)).toBe(true)
   expect(Tempo.isAllowedToken(Tempo.chainLookup.testnet, Tempo.addressLookup.betaUsd)).toBe(true)
@@ -39,6 +48,9 @@ test('checks allowed tokens by chain', () => {
 })
 
 test('resolves supported token aliases', () => {
+  expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'OUSD')).toBe(Tempo.addressLookup.ousd)
+  expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'OpenUSD')).toBe(Tempo.addressLookup.ousd)
+  expect(Tempo.getTokenAddress(Tempo.chainLookup.testnet, 'ousd')).toBe(null)
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'USDC.e')).toBe(Tempo.addressLookup.usdcE)
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'usdc')).toBe(Tempo.addressLookup.usdcE)
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'USDT')).toBe(Tempo.addressLookup.usdt0)
@@ -47,6 +59,10 @@ test('resolves supported token aliases', () => {
 })
 
 test('formats Tempo token symbols and transaction links', () => {
+  expect(Tempo.getTokenMetadataFallback(Tempo.addressLookup.ousd)).toEqual({
+    currency: 'USD',
+    symbol: 'OUSD',
+  })
   expect(Tempo.getTokenMetadataFallback(Tempo.addressLookup.pathUsd)).toEqual({
     currency: 'USD',
     symbol: 'PathUSD',
diff --git a/src/lib/tempo.ts b/src/lib/tempo.ts
index 8269263..8e5bd53 100644
--- a/src/lib/tempo.ts
+++ b/src/lib/tempo.ts
@@ -1,9 +1,11 @@
 import { Address } from 'ox'
 import { tempo, tempoLocalnet, tempoModerato } from 'viem/tempo/chains'
+import { ousd } from 'viem/tokens'
 
 export const addressLookup = {
   alphaUsd: Address.checksum('0x20c0000000000000000000000000000000000001'),
   betaUsd: Address.checksum('0x20c0000000000000000000000000000000000002'),
+  ousd: Address.checksum(ousd.addresses[tempo.id]),
   pathUsd: Address.checksum('0x20c0000000000000000000000000000000000000'),
   thetaUsd: Address.checksum('0x20c0000000000000000000000000000000000003'),
   usdcE: Address.checksum('0x20C000000000000000000000b9537d11c60E8b50'),
@@ -23,6 +25,11 @@ export function getChain(chainId: number) {
   throw new Error(`Unsupported Tempo chain ${chainId}.`)
 }
 
+export function getDefaultTokenAddress(chainId: number) {
+  if (chainId === chainLookup.mainnet) return addressLookup.ousd
+  return addressLookup.pathUsd
+}
+
 export function getRpcUrl(
   env: Pick<Env, 'RPC_CREDENTIALS' | 'RPC_URL_MAINNET' | 'RPC_URL_TESTNET'>,
   chainId: number,
@@ -63,9 +70,12 @@ export function explorerLink(chainId: number, address: string) {
 export function isAllowedToken(chainId: number, tokenAddress: string) {
   const token = Address.checksum(tokenAddress)
   if (chainId === chainLookup.mainnet)
-    return [addressLookup.pathUsd, addressLookup.usdcE, addressLookup.usdt0].some((allowed) =>
-      Address.isEqual(token, allowed),
-    )
+    return [
+      addressLookup.ousd,
+      addressLookup.pathUsd,
+      addressLookup.usdcE,
+      addressLookup.usdt0,
+    ].some((allowed) => Address.isEqual(token, allowed))
   if (chainId === chainLookup.testnet || chainId === chainLookup.localnet)
     return [
       addressLookup.pathUsd,
@@ -82,6 +92,7 @@ export function getTokenAddress(chainId: number, value: string) {
 
   const normalized = value.toLowerCase().replace(/[.\-_\s]/g, '')
   const tokenAddress = (() => {
+    if (normalized === 'ousd' || normalized === 'openusd') return addressLookup.ousd
     if (normalized === 'pathusd' || normalized === 'path' || normalized === 'usd')
       return addressLookup.pathUsd
     if (normalized === 'usdce' || normalized === 'usdc') return addressLookup.usdcE
@@ -96,6 +107,8 @@ export function getTokenAddress(chainId: number, value: string) {
 }
 
 export function getTokenMetadataFallback(tokenAddress: string) {
+  if (Address.isEqual(Address.checksum(tokenAddress), addressLookup.ousd))
+    return { currency: 'USD', symbol: 'OUSD' }
   if (Address.isEqual(Address.checksum(tokenAddress), addressLookup.pathUsd))
     return { currency: 'USD', symbol: 'PathUSD' }
   if (Address.isEqual(Address.checksum(tokenAddress), addressLookup.alphaUsd))
diff --git a/src/lib/tip.ts b/src/lib/tip.ts
index cd1bda2..c3c79e2 100644
--- a/src/lib/tip.ts
+++ b/src/lib/tip.ts
@@ -233,7 +233,9 @@ export async function handleTipRequest(
 
   const amount = input.amount ?? executionWorkspace.default_amount
   const tokenAddress = Address.checksum(
-    input.tokenAddress ?? executionWorkspace.default_token_address ?? Tempo.addressLookup.pathUsd,
+    input.tokenAddress ??
+      executionWorkspace.default_token_address ??
+      Tempo.getDefaultTokenAddress(executionWorkspace.chain_id),
   )
   if (!Tempo.isAllowedToken(executionWorkspace.chain_id, tokenAddress))
     return {
@@ -431,7 +433,9 @@ export async function handleTipBatchRequest(
   if (!Number.isSafeInteger(authorizedTotalAmount) || authorizedTotalAmount <= 0)
     return { code: 'failed', message: 'Payment amount is too large.', ok: false }
   const tokenAddress = Address.checksum(
-    input.tokenAddress ?? executionWorkspace.default_token_address ?? Tempo.addressLookup.pathUsd,
+    input.tokenAddress ??
+      executionWorkspace.default_token_address ??
+      Tempo.getDefaultTokenAddress(executionWorkspace.chain_id),
   )
   if (!Tempo.isAllowedToken(executionWorkspace.chain_id, tokenAddress))
     return {
@@ -547,7 +551,10 @@ export async function handleTipBatchRequest(
       chainId: executionWorkspace.chain_id,
       isDefaultToken: Address.isEqual(
         Address.checksum(tokenAddress),
-        Address.checksum(executionWorkspace.default_token_address ?? Tempo.addressLookup.pathUsd),
+        Address.checksum(
+          executionWorkspace.default_token_address ??
+            Tempo.getDefaultTokenAddress(executionWorkspace.chain_id),
+        ),
       ),
       memo: input.memo,
       ok: true,
@@ -1373,7 +1380,10 @@ async function createPendingTip(
     chainId: input.workspace.chain_id,
     isDefaultToken: Address.isEqual(
       Address.checksum(input.tokenAddress),
-      Address.checksum(input.workspace.default_token_address ?? Tempo.addressLookup.pathUsd),
+      Address.checksum(
+        input.workspace.default_token_address ??
+          Tempo.getDefaultTokenAddress(input.workspace.chain_id),
+      ),
     ),
     memo: input.memo,
     ok: true,
@@ -1418,7 +1428,10 @@ async function createQueuedBatchTips(
         recipientProviderUserId: recipient.recipientProviderUserId,
         senderProviderUserId: input.senderProviderUserId,
       },
-      Address.checksum(input.workspace.default_token_address ?? Tempo.addressLookup.pathUsd),
+      Address.checksum(
+        input.workspace.default_token_address ??
+          Tempo.getDefaultTokenAddress(input.workspace.chain_id),
+      ),
     )
     const result =
       existing ??
@@ -1594,7 +1607,9 @@ async function getSentPendingTipResult(
     chainId: pendingTip.chain_id,
     isDefaultToken: Address.isEqual(
       Address.checksum(pendingTip.token_address),
-      Address.checksum(tip.default_token_address ?? Tempo.addressLookup.pathUsd),
+      Address.checksum(
+        tip.default_token_address ?? Tempo.getDefaultTokenAddress(pendingTip.chain_id),
+      ),
     ),
     memo: pendingTip.memo,
     ok: true,
@@ -2086,7 +2101,10 @@ async function submitTipBatch(
       feePayer,
       isDefaultToken: Address.isEqual(
         Address.checksum(input.tokenAddress),
-        Address.checksum(input.workspace.default_token_address ?? Tempo.addressLookup.pathUsd),
+        Address.checksum(
+          input.workspace.default_token_address ??
+            Tempo.getDefaultTokenAddress(input.workspace.chain_id),
+        ),
       ),
       memo: input.memo,
       ok: true,
@@ -2208,7 +2226,10 @@ async function submitSignedTipBatch(
       idempotencyKey: input.idempotencyKey,
       senderProviderUserId: input.payload.senderProviderUserId,
     },
-    Address.checksum(input.workspace.default_token_address ?? Tempo.addressLookup.pathUsd),
+    Address.checksum(
+      input.workspace.default_token_address ??
+        Tempo.getDefaultTokenAddress(input.workspace.chain_id),
+    ),
   )
   if (existing) return existing
 
@@ -2343,7 +2364,10 @@ async function submitSignedTipBatch(
       feePayer: 'sender',
       isDefaultToken: Address.isEqual(
         Address.checksum(input.tokenAddress),
-        Address.checksum(input.workspace.default_token_address ?? Tempo.addressLookup.pathUsd),
+        Address.checksum(
+          input.workspace.default_token_address ??
+            Tempo.getDefaultTokenAddress(input.workspace.chain_id),
+        ),
       ),
       memo: input.memo,
       ok: true,
@@ -2516,7 +2540,10 @@ async function submitSignedTip(
       feePayer: 'sender',
       isDefaultToken: Address.isEqual(
         Address.checksum(input.tokenAddress),
-        Address.checksum(input.workspace.default_token_address ?? Tempo.addressLookup.pathUsd),
+        Address.checksum(
+          input.workspace.default_token_address ??
+            Tempo.getDefaultTokenAddress(input.workspace.chain_id),
+        ),
       ),
       memo: input.memo,
       ok: true,

From d856d8a3ff8c1372b1c725efa1caa1fb2302146e Mon Sep 17 00:00:00 2001
From: Derek <256792747+decofe@users.noreply.github.com>
Date: Wed, 30 Sep 2026 13:22:56 +0000
Subject: [PATCH 2/5] feat: default to OUSD on testnet

Co-authored-by: Derek Cofausper <256792747+decofe@users.noreply.github.com>
---
 package.json             |  4 +--
 pnpm-lock.yaml           | 77 ++++++++++++++++++++--------------------
 src/chat.workers.test.ts |  2 +-
 src/lib/tempo.test.ts    |  8 +++--
 src/lib/tempo.ts         | 15 +++++---
 5 files changed, 58 insertions(+), 48 deletions(-)

diff --git a/package.json b/package.json
index 0fa8ba9..a8c0757 100644
--- a/package.json
+++ b/package.json
@@ -40,11 +40,11 @@
     "hono": "4.13.7",
     "kysely": "0.28.17",
     "nanoid": "^5.1.16",
-    "ox": "0.14.45",
+    "ox": "0.14.20",
     "react": "19.2.5",
     "react-dom": "19.2.5",
     "tapimo": "0.5.2",
-    "viem": "^2.57.1",
+    "viem": "^2.55.10",
     "wagmi": "^3.6.14",
     "zod": "4.4.3"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c64de7b..b9bb2b9 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -70,7 +70,7 @@ importers:
         version: 1.167.35(@tanstack/react-router@1.169.2(react-dom@19.2.5(react@19.2.5))(react@19.2.5))(@voidzero-dev/vite-plus-core@0.1.24)
       accounts:
         specifier: ^0.15.2
-        version: 0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14)
+        version: 0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14)
       chat:
         specifier: 4.27.0
         version: 4.27.0
@@ -84,8 +84,8 @@ importers:
         specifier: ^5.1.16
         version: 5.1.16
       ox:
-        specifier: 0.14.45
-        version: 0.14.45(typescript@6.0.3)(zod@4.4.3)
+        specifier: 0.14.20
+        version: 0.14.20(typescript@6.0.3)(zod@4.4.3)
       react:
         specifier: 19.2.5
         version: 19.2.5
@@ -96,11 +96,11 @@ importers:
         specifier: 0.5.2
         version: 0.5.2(0a9fca14114bb98809b2b223454df2b6)
       viem:
-        specifier: ^2.57.1
-        version: 2.57.1(typescript@6.0.3)(zod@4.4.3)
+        specifier: ^2.55.10
+        version: 2.55.10(typescript@6.0.3)(zod@4.4.3)
       wagmi:
         specifier: ^3.6.14
-        version: 3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
+        version: 3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
       zod:
         specifier: 4.4.3
         version: 4.4.3
@@ -4830,8 +4830,8 @@ packages:
       typescript:
         optional: true
 
-  ox@0.14.45:
-    resolution: {integrity: sha512-jpsQ+p0JZh9mKCxxzxz0d5qFHZZg2/O9xW18IpEC/dNXXPVqmDJ0c//9RMz0CILkbSGPA42+cbU0fC/ghwJ03w==}
+  ox@0.14.33:
+    resolution: {integrity: sha512-rooA/4o7bBof4Ge2VH/eovfNPb/AEEYyrNj03wggc55g5HZD8Pjs/OeWhttgjic3dDcqn0r29bDuvQEdTiUemQ==}
     peerDependencies:
       typescript: '>=5.4.0'
     peerDependenciesMeta:
@@ -5930,8 +5930,8 @@ packages:
       typescript:
         optional: true
 
-  viem@2.57.1:
-    resolution: {integrity: sha512-eOV3fHnaMzkIFRefZg1icWztAKvBHg7RMKEH89ywY7hnyq1VxI4s/osXnTBViOsEZ7/LbbxU3w+JaIrbeIXRPQ==}
+  viem@2.55.10:
+    resolution: {integrity: sha512-Q9Ba+/ma81U2M5o5P2AQ7Ux8rTIwmCZvUcr8rKdQ22bV0IBFHllM2m5gWDP8hFaUN2nH2oW3QG44amRazflYNQ==}
     peerDependencies:
       typescript: '>=5.0.4'
     peerDependenciesMeta:
@@ -8782,23 +8782,23 @@ snapshots:
     dependencies:
       vue: 3.5.40(typescript@6.0.3)
 
-  '@wagmi/connectors@8.0.13(@wagmi/core@3.4.11)(accounts@0.15.2)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))':
+  '@wagmi/connectors@8.0.13(@wagmi/core@3.4.11)(accounts@0.15.2)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))':
     dependencies:
-      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
-      viem: 2.57.1(typescript@6.0.3)(zod@4.4.3)
+      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
+      viem: 2.55.10(typescript@6.0.3)(zod@4.4.3)
     optionalDependencies:
-      accounts: 0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14)
+      accounts: 0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14)
       typescript: 6.0.3
 
-  '@wagmi/core@3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))':
+  '@wagmi/core@3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))':
     dependencies:
       eventemitter3: 5.0.1
       mipd: 0.0.7(typescript@6.0.3)
-      viem: 2.57.1(typescript@6.0.3)(zod@4.4.3)
+      viem: 2.55.10(typescript@6.0.3)(zod@4.4.3)
       zustand: 5.0.0(@types/react@19.2.14)(react@19.2.5)(use-sync-external-store@1.4.0(react@19.2.5))
     optionalDependencies:
       '@tanstack/query-core': 5.100.10
-      accounts: 0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14)
+      accounts: 0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14)
       typescript: 6.0.3
     transitivePeerDependencies:
       - '@types/react'
@@ -8834,16 +8834,16 @@ snapshots:
       jose: 6.2.3
       mipd: 0.0.7(typescript@6.0.3)
       mppx: 0.8.9(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(express@5.2.1)(hono@4.13.7)(typescript@6.0.3)(viem@2.54.6(typescript@6.0.3)(zod@4.4.3))
-      ox: 0.14.45(typescript@6.0.3)(zod@4.4.3)
+      ox: 0.14.33(typescript@6.0.3)(zod@4.4.3)
       wata: 0.4.0(react@19.2.5)(typescript@6.0.3)
       webauthx: 0.1.2(typescript@6.0.3)(zod@4.4.3)
       zod: 4.4.3
       zustand: 5.0.13(@types/react@19.2.14)(react@19.2.5)(use-sync-external-store@1.4.0(react@19.2.5))
     optionalDependencies:
-      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
+      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
       react: 19.2.5
       viem: 2.54.6(typescript@6.0.3)(zod@4.4.3)
-      wagmi: 3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
+      wagmi: 3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
     transitivePeerDependencies:
       - '@modelcontextprotocol/sdk'
       - '@types/react'
@@ -8854,23 +8854,23 @@ snapshots:
       - typescript
       - use-sync-external-store
 
-  accounts@0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14):
+  accounts@0.15.2(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(@types/react@19.2.14)(@wagmi/core@3.4.11)(express@5.2.1)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))(wagmi@3.6.14):
     dependencies:
       hono: 4.13.7
       idb-keyval: 6.2.2
       jose: 6.2.3
       mipd: 0.0.7(typescript@6.0.3)
-      mppx: 0.8.9(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(express@5.2.1)(hono@4.13.7)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
-      ox: 0.14.45(typescript@6.0.3)(zod@4.4.3)
+      mppx: 0.8.9(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(express@5.2.1)(hono@4.13.7)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
+      ox: 0.14.33(typescript@6.0.3)(zod@4.4.3)
       wata: 0.4.0(react@19.2.5)(typescript@6.0.3)
       webauthx: 0.1.2(typescript@6.0.3)(zod@4.4.3)
       zod: 4.4.3
       zustand: 5.0.13(@types/react@19.2.14)(react@19.2.5)(use-sync-external-store@1.4.0(react@19.2.5))
     optionalDependencies:
-      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
+      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
       react: 19.2.5
-      viem: 2.57.1(typescript@6.0.3)(zod@4.4.3)
-      wagmi: 3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
+      viem: 2.55.10(typescript@6.0.3)(zod@4.4.3)
+      wagmi: 3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
     transitivePeerDependencies:
       - '@modelcontextprotocol/sdk'
       - '@types/react'
@@ -10902,13 +10902,13 @@ snapshots:
     transitivePeerDependencies:
       - typescript
 
-  mppx@0.8.9(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(express@5.2.1)(hono@4.13.7)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3)):
+  mppx@0.8.9(@modelcontextprotocol/sdk@1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3))(express@5.2.1)(hono@4.13.7)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3)):
     dependencies:
       '@stripe/stripe-js': 9.9.0
       eventsource-parser: 3.1.0
       incur: 0.4.19
       ox: 0.14.30(typescript@6.0.3)(zod@4.4.3)
-      viem: 2.57.1(typescript@6.0.3)(zod@4.4.3)
+      viem: 2.55.10(typescript@6.0.3)(zod@4.4.3)
       zod: 4.4.3
     optionalDependencies:
       '@modelcontextprotocol/sdk': 1.29.0(@cfworker/json-schema@4.1.1)(zod@4.4.3)
@@ -11034,7 +11034,7 @@ snapshots:
       '@noble/hashes': 1.8.0
       '@scure/bip32': 1.7.0
       '@scure/bip39': 1.6.0
-      abitype: 1.3.0(typescript@6.0.3)(zod@4.4.3)
+      abitype: 1.2.3(typescript@6.0.3)(zod@4.4.3)
       eventemitter3: 5.0.1
     optionalDependencies:
       typescript: 6.0.3
@@ -11056,7 +11056,7 @@ snapshots:
     transitivePeerDependencies:
       - zod
 
-  ox@0.14.45(typescript@6.0.3)(zod@4.4.3):
+  ox@0.14.33(typescript@6.0.3)(zod@4.4.3):
     dependencies:
       '@adraffy/ens-normalize': 1.11.1
       '@noble/ciphers': 1.3.0
@@ -11064,7 +11064,7 @@ snapshots:
       '@noble/hashes': 1.8.0
       '@scure/bip32': 1.7.0
       '@scure/bip39': 1.6.0
-      abitype: 1.3.0(typescript@6.0.3)(zod@4.4.3)
+      abitype: 1.2.3(typescript@6.0.3)(zod@4.4.3)
       eventemitter3: 5.0.1
     optionalDependencies:
       typescript: 6.0.3
@@ -12187,7 +12187,7 @@ snapshots:
       abitype: 1.3.0(typescript@6.0.3)(zod@4.4.3)
       kysely: 0.28.17
       mitt: 3.0.1
-      ox: 0.14.20(typescript@6.0.3)(zod@4.4.3)
+      ox: 0.14.30(typescript@6.0.3)(zod@4.4.3)
       zod: 4.4.3
     transitivePeerDependencies:
       - typescript
@@ -12515,7 +12515,7 @@ snapshots:
       - utf-8-validate
       - zod
 
-  viem@2.57.1(typescript@6.0.3)(zod@4.4.3):
+  viem@2.55.10(typescript@6.0.3)(zod@4.4.3):
     dependencies:
       '@noble/curves': 1.9.1
       '@noble/hashes': 1.8.0
@@ -12523,7 +12523,7 @@ snapshots:
       '@scure/bip39': 1.6.0
       abitype: 1.2.3(typescript@6.0.3)(zod@4.4.3)
       isows: 1.0.7(ws@8.21.0)
-      ox: 0.14.45(typescript@6.0.3)(zod@4.4.3)
+      ox: 0.14.33(typescript@6.0.3)(zod@4.4.3)
       ws: 8.21.0
     optionalDependencies:
       typescript: 6.0.3
@@ -12736,14 +12736,14 @@ snapshots:
 
   w3c-keyname@2.2.8: {}
 
-  wagmi@3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3)):
+  wagmi@3.6.14(@tanstack/query-core@5.100.10)(@tanstack/react-query@5.100.10(react@19.2.5))(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3)):
     dependencies:
       '@tanstack/react-query': 5.100.10(react@19.2.5)
-      '@wagmi/connectors': 8.0.13(@wagmi/core@3.4.11)(accounts@0.15.2)(typescript@6.0.3)(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
-      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.57.1(typescript@6.0.3)(zod@4.4.3))
+      '@wagmi/connectors': 8.0.13(@wagmi/core@3.4.11)(accounts@0.15.2)(typescript@6.0.3)(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
+      '@wagmi/core': 3.4.11(@tanstack/query-core@5.100.10)(@types/react@19.2.14)(accounts@0.15.2)(react@19.2.5)(typescript@6.0.3)(use-sync-external-store@1.4.0(react@19.2.5))(viem@2.55.10(typescript@6.0.3)(zod@4.4.3))
       react: 19.2.5
       use-sync-external-store: 1.4.0(react@19.2.5)
-      viem: 2.57.1(typescript@6.0.3)(zod@4.4.3)
+      viem: 2.55.10(typescript@6.0.3)(zod@4.4.3)
     optionalDependencies:
       typescript: 6.0.3
     transitivePeerDependencies:
@@ -12954,6 +12954,7 @@ time:
   chat@4.27.0: '2026-04-30T20:46:13.887Z'
   emulate@0.5.0: '2026-04-29T05:49:35.977Z'
   kysely@0.28.17: '2026-05-03T01:05:34.179Z'
+  ox@0.14.20: '2026-04-21T20:34:36.837Z'
   react-dom@19.2.5: '2026-04-08T18:39:31.423Z'
   react@19.2.5: '2026-04-08T18:39:24.455Z'
   tailwindcss@4.2.4: '2026-04-21T13:15:55.494Z'
diff --git a/src/chat.workers.test.ts b/src/chat.workers.test.ts
index 60431a4..c390ac2 100644
--- a/src/chat.workers.test.ts
+++ b/src/chat.workers.test.ts
@@ -7362,7 +7362,7 @@ describe('/tip config', () => {
         },
         { timeout: 10_000 }, // 10 seconds
       )
-      .toEqual(['pathUSD', 'USDC.e', 'USDT0'])
+      .toEqual(['OUSD', 'pathUSD', 'USDC.e', 'USDT0'])
     fetchSpy.mockRestore()
   }, 20_000) // 20 seconds
 
diff --git a/src/lib/tempo.test.ts b/src/lib/tempo.test.ts
index a92aa2c..ef85f7a 100644
--- a/src/lib/tempo.test.ts
+++ b/src/lib/tempo.test.ts
@@ -28,7 +28,7 @@ test('returns optional RPC URLs by chain', () => {
 test('returns default token by chain', () => {
   expect(Tempo.addressLookup.ousd).toBe('0x20c0000000000000000000006a37DA5C996874BE')
   expect(Tempo.getDefaultTokenAddress(Tempo.chainLookup.mainnet)).toBe(Tempo.addressLookup.ousd)
-  expect(Tempo.getDefaultTokenAddress(Tempo.chainLookup.testnet)).toBe(Tempo.addressLookup.pathUsd)
+  expect(Tempo.getDefaultTokenAddress(Tempo.chainLookup.testnet)).toBe(Tempo.addressLookup.ousd)
   expect(Tempo.getDefaultTokenAddress(Tempo.chainLookup.localnet)).toBe(Tempo.addressLookup.pathUsd)
 })
 
@@ -38,7 +38,8 @@ test('checks allowed tokens by chain', () => {
   expect(Tempo.isAllowedToken(Tempo.chainLookup.mainnet, Tempo.addressLookup.usdcE)).toBe(true)
   expect(Tempo.isAllowedToken(Tempo.chainLookup.mainnet, Tempo.addressLookup.usdt0)).toBe(true)
   expect(Tempo.isAllowedToken(Tempo.chainLookup.mainnet, Tempo.addressLookup.alphaUsd)).toBe(false)
-  expect(Tempo.isAllowedToken(Tempo.chainLookup.testnet, Tempo.addressLookup.ousd)).toBe(false)
+  expect(Tempo.isAllowedToken(Tempo.chainLookup.testnet, Tempo.addressLookup.ousd)).toBe(true)
+  expect(Tempo.isAllowedToken(Tempo.chainLookup.localnet, Tempo.addressLookup.ousd)).toBe(false)
   expect(Tempo.isAllowedToken(Tempo.chainLookup.testnet, Tempo.addressLookup.pathUsd)).toBe(true)
   expect(Tempo.isAllowedToken(Tempo.chainLookup.testnet, Tempo.addressLookup.alphaUsd)).toBe(true)
   expect(Tempo.isAllowedToken(Tempo.chainLookup.testnet, Tempo.addressLookup.betaUsd)).toBe(true)
@@ -50,7 +51,8 @@ test('checks allowed tokens by chain', () => {
 test('resolves supported token aliases', () => {
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'OUSD')).toBe(Tempo.addressLookup.ousd)
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'OpenUSD')).toBe(Tempo.addressLookup.ousd)
-  expect(Tempo.getTokenAddress(Tempo.chainLookup.testnet, 'ousd')).toBe(null)
+  expect(Tempo.getTokenAddress(Tempo.chainLookup.testnet, 'ousd')).toBe(Tempo.addressLookup.ousd)
+  expect(Tempo.getTokenAddress(Tempo.chainLookup.localnet, 'ousd')).toBe(null)
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'USDC.e')).toBe(Tempo.addressLookup.usdcE)
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'usdc')).toBe(Tempo.addressLookup.usdcE)
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'USDT')).toBe(Tempo.addressLookup.usdt0)
diff --git a/src/lib/tempo.ts b/src/lib/tempo.ts
index 8e5bd53..2414be9 100644
--- a/src/lib/tempo.ts
+++ b/src/lib/tempo.ts
@@ -1,11 +1,10 @@
 import { Address } from 'ox'
 import { tempo, tempoLocalnet, tempoModerato } from 'viem/tempo/chains'
-import { ousd } from 'viem/tokens'
 
 export const addressLookup = {
   alphaUsd: Address.checksum('0x20c0000000000000000000000000000000000001'),
   betaUsd: Address.checksum('0x20c0000000000000000000000000000000000002'),
-  ousd: Address.checksum(ousd.addresses[tempo.id]),
+  ousd: Address.checksum('0x20c0000000000000000000006a37DA5C996874BE'),
   pathUsd: Address.checksum('0x20c0000000000000000000000000000000000000'),
   thetaUsd: Address.checksum('0x20c0000000000000000000000000000000000003'),
   usdcE: Address.checksum('0x20C000000000000000000000b9537d11c60E8b50'),
@@ -26,7 +25,7 @@ export function getChain(chainId: number) {
 }
 
 export function getDefaultTokenAddress(chainId: number) {
-  if (chainId === chainLookup.mainnet) return addressLookup.ousd
+  if (chainId === chainLookup.mainnet || chainId === chainLookup.testnet) return addressLookup.ousd
   return addressLookup.pathUsd
 }
 
@@ -76,7 +75,15 @@ export function isAllowedToken(chainId: number, tokenAddress: string) {
       addressLookup.usdcE,
       addressLookup.usdt0,
     ].some((allowed) => Address.isEqual(token, allowed))
-  if (chainId === chainLookup.testnet || chainId === chainLookup.localnet)
+  if (chainId === chainLookup.testnet)
+    return [
+      addressLookup.ousd,
+      addressLookup.pathUsd,
+      addressLookup.alphaUsd,
+      addressLookup.betaUsd,
+      addressLookup.thetaUsd,
+    ].some((allowed) => Address.isEqual(token, allowed))
+  if (chainId === chainLookup.localnet)
     return [
       addressLookup.pathUsd,
       addressLookup.alphaUsd,

From 695906a1abbd92fdf1781a700bffdb893011d985 Mon Sep 17 00:00:00 2001
From: Derek <256792747+decofe@users.noreply.github.com>
Date: Wed, 30 Sep 2026 13:27:26 +0000
Subject: [PATCH 3/5] test: use chain default token in account link tests

Co-authored-by: Derek Cofausper <256792747+decofe@users.noreply.github.com>
---
 src/api.workers.test.ts  | 11 +++++++----
 src/chat.workers.test.ts | 12 +++++++++---
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/src/api.workers.test.ts b/src/api.workers.test.ts
index d27eb74..714d513 100644
--- a/src/api.workers.test.ts
+++ b/src/api.workers.test.ts
@@ -1509,7 +1509,7 @@ describe('/api/account/link/:token', () => {
       accessKeyAddress: pending.accessKey.address,
       accessKeyPublicKey: pending.accessKey.publicKey,
       ok: true,
-      tokenAddress: Tempo.addressLookup.pathUsd,
+      tokenAddress: Tempo.getDefaultTokenAddress(pending.workspace.chain_id),
     })
   })
 
@@ -1906,7 +1906,8 @@ describe('/api/confirm/:token', () => {
       recipientProviderUserId: 'twitter-confirm-recipient',
       senderProviderUserId: 'twitter-confirm-sender',
       source: 'mention',
-      tokenAddress: workspace.default_token_address ?? Tempo.addressLookup.pathUsd,
+      tokenAddress:
+        workspace.default_token_address ?? Tempo.getDefaultTokenAddress(workspace.chain_id),
       workspaceId: workspace.id,
     })
 
@@ -1973,7 +1974,8 @@ describe('/api/confirm/:token', () => {
       recipientProviderUserId,
       senderProviderUserId,
       source: 'mention',
-      tokenAddress: workspace.default_token_address ?? Tempo.addressLookup.pathUsd,
+      tokenAddress:
+        workspace.default_token_address ?? Tempo.getDefaultTokenAddress(workspace.chain_id),
       workspaceId: workspace.id,
     } satisfies Confirmation.Payload
     const token = await Confirmation.encrypt(env, payload)
@@ -3106,7 +3108,8 @@ async function signKeyAuthorization(
     chainId: pending.workspace.chain_id,
     expiresAt: pending.link.access_key_expires_at,
     tokenAddress: Address.checksum(
-      pending.workspace.default_token_address ?? Tempo.addressLookup.pathUsd,
+      pending.workspace.default_token_address ??
+        Tempo.getDefaultTokenAddress(pending.workspace.chain_id),
     ),
   })
 }
diff --git a/src/chat.workers.test.ts b/src/chat.workers.test.ts
index c390ac2..2dfd7d8 100644
--- a/src/chat.workers.test.ts
+++ b/src/chat.workers.test.ts
@@ -3463,7 +3463,9 @@ test('@Tipbot mention connect link completion connects local workspace account',
     accessKeyAddress: link.access_key_address,
     chainId: link.chain_id,
     expiresAt: link.access_key_expires_at,
-    tokenAddress: Address.checksum(link.default_token_address ?? Tempo.addressLookup.pathUsd),
+    tokenAddress: Address.checksum(
+      link.default_token_address ?? Tempo.getDefaultTokenAddress(link.chain_id),
+    ),
   })
 
   const completeResponse = await client.api.account.link[':token'].$post({
@@ -3716,7 +3718,9 @@ test('@Tipbot mention connect link completion notifies Slack Connect external ac
     accessKeyAddress: link.access_key_address,
     chainId: link.chain_id,
     expiresAt: link.access_key_expires_at,
-    tokenAddress: Address.checksum(link.default_token_address ?? Tempo.addressLookup.pathUsd),
+    tokenAddress: Address.checksum(
+      link.default_token_address ?? Tempo.getDefaultTokenAddress(link.chain_id),
+    ),
   })
 
   const completeResponse = await client.api.account.link[':token'].$post({
@@ -4527,7 +4531,9 @@ test('@Tipbot mention claims Slack Connect pending tip when recipient connects',
         accessKeyAddress: link.access_key_address,
         chainId: link.chain_id,
         expiresAt: link.access_key_expires_at,
-        tokenAddress: Address.checksum(link.default_token_address ?? Tempo.addressLookup.pathUsd),
+        tokenAddress: Address.checksum(
+          link.default_token_address ?? Tempo.getDefaultTokenAddress(link.chain_id),
+        ),
       }),
     },
     param: { token },

From 36ebb6dea8dc9e78c42a3167907dcc8fb9167381 Mon Sep 17 00:00:00 2001
From: Brendan Ryan <1572504+brendanjryan@users.noreply.github.com>
Date: Wed, 4 Nov 2026 14:15:21 -0800
Subject: [PATCH 4/5] fix: resolve generic usd alias to the chain default token

---
 src/lib/tempo.test.ts | 6 ++++++
 src/lib/tempo.ts      | 4 ++--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/lib/tempo.test.ts b/src/lib/tempo.test.ts
index ef85f7a..88734ff 100644
--- a/src/lib/tempo.test.ts
+++ b/src/lib/tempo.test.ts
@@ -53,6 +53,12 @@ test('resolves supported token aliases', () => {
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'OpenUSD')).toBe(Tempo.addressLookup.ousd)
   expect(Tempo.getTokenAddress(Tempo.chainLookup.testnet, 'ousd')).toBe(Tempo.addressLookup.ousd)
   expect(Tempo.getTokenAddress(Tempo.chainLookup.localnet, 'ousd')).toBe(null)
+  expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'usd')).toBe(Tempo.addressLookup.ousd)
+  expect(Tempo.getTokenAddress(Tempo.chainLookup.testnet, 'usd')).toBe(Tempo.addressLookup.ousd)
+  expect(Tempo.getTokenAddress(Tempo.chainLookup.localnet, 'usd')).toBe(Tempo.addressLookup.pathUsd)
+  expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'pathUSD')).toBe(
+    Tempo.addressLookup.pathUsd,
+  )
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'USDC.e')).toBe(Tempo.addressLookup.usdcE)
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'usdc')).toBe(Tempo.addressLookup.usdcE)
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'USDT')).toBe(Tempo.addressLookup.usdt0)
diff --git a/src/lib/tempo.ts b/src/lib/tempo.ts
index 2414be9..3ac9e9a 100644
--- a/src/lib/tempo.ts
+++ b/src/lib/tempo.ts
@@ -100,8 +100,8 @@ export function getTokenAddress(chainId: number, value: string) {
   const normalized = value.toLowerCase().replace(/[.\-_\s]/g, '')
   const tokenAddress = (() => {
     if (normalized === 'ousd' || normalized === 'openusd') return addressLookup.ousd
-    if (normalized === 'pathusd' || normalized === 'path' || normalized === 'usd')
-      return addressLookup.pathUsd
+    if (normalized === 'pathusd' || normalized === 'path') return addressLookup.pathUsd
+    if (normalized === 'usd') return getDefaultTokenAddress(chainId)
     if (normalized === 'usdce' || normalized === 'usdc') return addressLookup.usdcE
     if (normalized === 'usdt0' || normalized === 'usdt') return addressLookup.usdt0
     if (normalized === 'alphausd' || normalized === 'alpha') return addressLookup.alphaUsd

From 13ce444f2643e00c852b4f2d37c2db1b164c6b56 Mon Sep 17 00:00:00 2001
From: Brendan Ryan <1572504+brendanjryan@users.noreply.github.com>
Date: Wed, 4 Nov 2026 14:19:44 -0800
Subject: [PATCH 5/5] fix: resolve usd to the workspace default and set Tempo
 workspace to OUSD

---
 db/migrations/0026_tempo_workspace_ousd.sql |  8 ++++++++
 src/chat.ts                                 |  6 +++++-
 src/lib/tempo.test.ts                       |  6 ++++++
 src/lib/tempo.ts                            | 11 +++++++++--
 src/lib/twitter.ts                          |  6 +++++-
 5 files changed, 33 insertions(+), 4 deletions(-)
 create mode 100644 db/migrations/0026_tempo_workspace_ousd.sql

diff --git a/db/migrations/0026_tempo_workspace_ousd.sql b/db/migrations/0026_tempo_workspace_ousd.sql
new file mode 100644
index 0000000..b9ea308
--- /dev/null
+++ b/db/migrations/0026_tempo_workspace_ousd.sql
@@ -0,0 +1,8 @@
+-- Make OUSD the default tip token for Tempo's own Slack workspace (T098H03GGE6) on mainnet.
+UPDATE "workspace"
+SET
+  "default_token_address" = '0x20c0000000000000000000006a37DA5C996874BE',
+  "updated_at" = strftime('%Y-%m-%dT%H:%M:%fZ', 'now')
+WHERE "provider" = 'slack'
+  AND "provider_id" = 'T098H03GGE6'
+  AND "chain_id" = 4217;
diff --git a/src/chat.ts b/src/chat.ts
index 580279d..4af4996 100644
--- a/src/chat.ts
+++ b/src/chat.ts
@@ -2248,7 +2248,11 @@ const handlers = {
     }
 
     const tokenAddress = parsed.token
-      ? Tempo.getTokenAddress(workspace?.chain_id ?? Tempo.chainLookup.mainnet, parsed.token)
+      ? Tempo.getTokenAddress(
+          workspace?.chain_id ?? Tempo.chainLookup.mainnet,
+          parsed.token,
+          workspace?.default_token_address,
+        )
       : null
     if (parsed.token && !tokenAddress) {
       await postPrivateReply(
diff --git a/src/lib/tempo.test.ts b/src/lib/tempo.test.ts
index 88734ff..75a5e0c 100644
--- a/src/lib/tempo.test.ts
+++ b/src/lib/tempo.test.ts
@@ -56,6 +56,12 @@ test('resolves supported token aliases', () => {
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'usd')).toBe(Tempo.addressLookup.ousd)
   expect(Tempo.getTokenAddress(Tempo.chainLookup.testnet, 'usd')).toBe(Tempo.addressLookup.ousd)
   expect(Tempo.getTokenAddress(Tempo.chainLookup.localnet, 'usd')).toBe(Tempo.addressLookup.pathUsd)
+  expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'usd', Tempo.addressLookup.pathUsd)).toBe(
+    Tempo.addressLookup.pathUsd,
+  )
+  expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'usd', Tempo.addressLookup.usdcE)).toBe(
+    Tempo.addressLookup.usdcE,
+  )
   expect(Tempo.getTokenAddress(Tempo.chainLookup.mainnet, 'pathUSD')).toBe(
     Tempo.addressLookup.pathUsd,
   )
diff --git a/src/lib/tempo.ts b/src/lib/tempo.ts
index 3ac9e9a..4d99ef4 100644
--- a/src/lib/tempo.ts
+++ b/src/lib/tempo.ts
@@ -93,7 +93,11 @@ export function isAllowedToken(chainId: number, tokenAddress: string) {
   return false
 }
 
-export function getTokenAddress(chainId: number, value: string) {
+export function getTokenAddress(
+  chainId: number,
+  value: string,
+  defaultTokenAddress?: string | null,
+) {
   const address = Address.validate(value) ? Address.checksum(value) : null
   if (address && isAllowedToken(chainId, address)) return address
 
@@ -101,7 +105,10 @@ export function getTokenAddress(chainId: number, value: string) {
   const tokenAddress = (() => {
     if (normalized === 'ousd' || normalized === 'openusd') return addressLookup.ousd
     if (normalized === 'pathusd' || normalized === 'path') return addressLookup.pathUsd
-    if (normalized === 'usd') return getDefaultTokenAddress(chainId)
+    if (normalized === 'usd')
+      return defaultTokenAddress
+        ? Address.checksum(defaultTokenAddress)
+        : getDefaultTokenAddress(chainId)
     if (normalized === 'usdce' || normalized === 'usdc') return addressLookup.usdcE
     if (normalized === 'usdt0' || normalized === 'usdt') return addressLookup.usdt0
     if (normalized === 'alphausd' || normalized === 'alpha') return addressLookup.alphaUsd
diff --git a/src/lib/twitter.ts b/src/lib/twitter.ts
index e6bb395..5b92028 100644
--- a/src/lib/twitter.ts
+++ b/src/lib/twitter.ts
@@ -1086,7 +1086,11 @@ export async function parseTwitterTip(env: Env, input: TwitterTweetInput) {
   let tokenAddress = null
   if (parsed.token) {
     const workspace = await ensureTwitterWorkspace(DB.create(env.DB), new Date().toISOString())
-    tokenAddress = Tempo.getTokenAddress(workspace.chain_id, parsed.token)
+    tokenAddress = Tempo.getTokenAddress(
+      workspace.chain_id,
+      parsed.token,
+      workspace.default_token_address,
+    )
     if (!tokenAddress) return null
   }
   if (Tip.isTransferMemoTooLong(parsed.memo)) return null