diff --git a/apps/simplex-store-service/src/StoreService/Names/Chain.hs b/apps/simplex-store-service/src/StoreService/Names/Chain.hs
index a535a257c6..a30421c2f8 100644
--- a/apps/simplex-store-service/src/StoreService/Names/Chain.hs
+++ b/apps/simplex-store-service/src/StoreService/Names/Chain.hs
@@ -17,6 +17,7 @@ module StoreService.Names.Chain
     newChainClient,
     ethCall,
     latestBlock,
+    blockAt,
     transactionReceipt,
     transactionByHash,
     transactionCount,
@@ -50,7 +51,7 @@ import Network.HTTP.Client (Manager)
 import qualified Network.HTTP.Client as HTTP
 import Network.HTTP.Client.TLS (newTlsManager)
 import Network.HTTP.Types (hContentType, methodPost, statusCode, statusIsSuccessful)
-import Numeric (readHex)
+import Numeric (readHex, showHex)
 import Simplex.Messaging.Crypto (keccak256)
 import Simplex.Messaging.Eth.Address (Address, addressFromPrivateKey)
 import Simplex.Messaging.Eth.RLP (RLPItem (..))
@@ -135,8 +136,15 @@ ethCall :: ChainClient -> Address -> ByteString -> IO (Either ChainError ByteStr
 ethCall c to calldata = rpc c "eth_call" [J.object ["to" .= to, "data" .= hex calldata], "latest"] bytes
 
 latestBlock :: ChainClient -> IO (Either ChainError Block)
-latestBlock c =
-  rpc c "eth_getBlockByNumber" ["latest", J.Bool False] $ J.withObject "block" $ \b ->
+latestBlock c = blockByNumber c "latest"
+
+-- | A block the node does not have is a failed read.
+blockAt :: ChainClient -> Word64 -> IO (Either ChainError Block)
+blockAt c number = blockByNumber c $ J.String $ "0x" <> T.pack (showHex number "")
+
+blockByNumber :: ChainClient -> J.Value -> IO (Either ChainError Block)
+blockByNumber c tag =
+  rpc c "eth_getBlockByNumber" [tag, J.Bool False] $ J.withObject "block" $ \b ->
     Block <$> (quantity =<< b .: "number") <*> (quantity =<< b .: "timestamp") <*> (quantity =<< b .: "baseFeePerGas")
 
 -- | Nothing while the transaction is not mined, or after the node pruned its receipt.
diff --git a/apps/simplex-store-service/src/StoreService/Names/Contracts.hs b/apps/simplex-store-service/src/StoreService/Names/Contracts.hs
index 49d30626f9..c45ba22ba2 100644
--- a/apps/simplex-store-service/src/StoreService/Names/Contracts.hs
+++ b/apps/simplex-store-service/src/StoreService/Names/Contracts.hs
@@ -12,6 +12,7 @@ module StoreService.Names.Contracts
     secondsPerYear,
     nameStatus,
     nameRecords,
+    textRecord,
     chainPriceCents,
     codeLengthFor,
     sponsorNonce,
@@ -115,11 +116,13 @@ nameRecords ct lh RegisteredName {rnOwner, rnResolver}
   | otherwise =
       withinDeadline ct "name records" $ together $
         (\rdContact rdChannel rdNonce -> Just NameRecords {rdContact, rdChannel, rdNonce})
-          <$> textRecord contactRecordKey
-          <*> textRecord channelRecordKey
+          <$> concurrent (textRecord ct lh contactRecordKey)
+          <*> concurrent (textRecord ct lh channelRecordKey)
           <*> concurrent (resolverNonce ct rnOwner)
-  where
-    textRecord key = concurrent $ call ct (resolver ct) ("text(bytes32,string)", abiTuple [Static $ nodeArg ct lh, Dynamic $ abiBytes key]) decodeString
+
+-- | The default resolver's record, "" when unset.
+textRecord :: Contracts -> LabelHash -> ByteString -> IO (Either ChainError Text)
+textRecord ct lh key = call ct (resolver ct) ("text(bytes32,string)", abiTuple [Static $ nodeArg ct lh, Dynamic $ abiBytes key]) decodeString
 
 -- | Cents for a label of this length and these years. The oracle prices by length only,
 -- so a placeholder label of that length keeps the label from the RPC node.
diff --git a/apps/simplex-store-service/src/StoreService/Names/Registration.hs b/apps/simplex-store-service/src/StoreService/Names/Registration.hs
index abf1c5834c..313f90ee9c 100644
--- a/apps/simplex-store-service/src/StoreService/Names/Registration.hs
+++ b/apps/simplex-store-service/src/StoreService/Names/Registration.hs
@@ -19,6 +19,8 @@ module StoreService.Names.Registration
     verifyRegisterIntent,
     setTextDigest,
     clearRecordsDigest,
+    setTextWithSigCalldata,
+    clearRecordsWithSigCalldata,
   )
 where
 
@@ -124,6 +126,23 @@ clearRecordsDigest domain node nonce deadline =
     "ClearRecords(bytes32 node,uint256 nonce,uint256 deadline)"
     [bytes32 node, VUint $ fromIntegral nonce, VUint $ fromIntegral deadline]
 
+setTextWithSigCalldata :: Node -> Text -> Text -> Word64 -> Word64 -> RecoverableSignature -> ByteString
+setTextWithSigCalldata (Node node) key value nonce deadline sig =
+  selector "setTextWithSig(bytes32,string,string,uint256,uint256,bytes)"
+    <> abiTuple
+      [ Static node,
+        Dynamic $ abiBytes $ encodeUtf8 key,
+        Dynamic $ abiBytes $ encodeUtf8 value,
+        Static $ uint256 nonce,
+        Static $ uint256 deadline,
+        Dynamic $ abiBytes $ serializeSignature sig
+      ]
+
+clearRecordsWithSigCalldata :: Node -> Word64 -> Word64 -> RecoverableSignature -> ByteString
+clearRecordsWithSigCalldata (Node node) nonce deadline sig =
+  selector "clearRecordsWithSig(bytes32,uint256,uint256,bytes)"
+    <> abiTuple [Static node, Static $ uint256 nonce, Static $ uint256 deadline, Dynamic $ abiBytes $ serializeSignature sig]
+
 bytes32 :: Node -> Eip712Value
 bytes32 (Node node) = VUint $ fromInteger $ os2ip node
 
diff --git a/apps/simplex-store-service/src/StoreService/Names/Revert.hs b/apps/simplex-store-service/src/StoreService/Names/Revert.hs
index fc6acd6bd5..4017553265 100644
--- a/apps/simplex-store-service/src/StoreService/Names/Revert.hs
+++ b/apps/simplex-store-service/src/StoreService/Names/Revert.hs
@@ -1,12 +1,15 @@
 {-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE OverloadedStrings #-}
 
-module StoreService.Names.Revert (RevertName (..), decodeRevert) where
+module StoreService.Names.Revert (RevertName (..), decodeRevert, revertText) where
 
 import Data.ByteString (ByteString)
 import qualified Data.ByteString as B
+import qualified Data.ByteString.Char8 as BC
 import Data.Map.Strict (Map)
 import qualified Data.Map.Strict as M
+import Data.Text (Text)
+import Data.Text.Encoding (decodeLatin1)
 import StoreService.Names.Abi (selector)
 
 -- | The custom errors of SimplexController, SimplexSponsor, BaseRegistrarImplementation and SimplexResolver.
@@ -107,6 +110,10 @@ revertSignature = \case
   RNZeroAddress -> Just "ZeroAddress()"
   RNWithoutData -> Nothing
 
+-- | The error's name as the contracts declare it, Nothing for a revert without data.
+revertText :: RevertName -> Maybe Text
+revertText = fmap (decodeLatin1 . BC.takeWhile (/= '(')) . revertSignature
+
 revertSelectors :: Map ByteString RevertName
 revertSelectors = M.fromList [(selector signature, n) | n <- [minBound .. maxBound], Just signature <- [revertSignature n]]
 
diff --git a/tests/Bots/StoreService/FakeEthNode.hs b/tests/Bots/StoreService/FakeEthNode.hs
index ae23290aad..620c0142cc 100644
--- a/tests/Bots/StoreService/FakeEthNode.hs
+++ b/tests/Bots/StoreService/FakeEthNode.hs
@@ -13,15 +13,19 @@ module Bots.StoreService.FakeEthNode
     clearFault,
     setBlock,
     setFees,
+    revertDryRun,
     mine,
     dropTransaction,
     pruneReceipt,
     useNextNonce,
     sentTransactions,
+    awaitSent,
     revertFault,
     fakeChainId,
     fakeController,
     fakeSponsor,
+    fakeBaseRegistrar,
+    fakeResolver,
     fakeRegistrarKey,
     fakeGas,
     fakeTip,
@@ -48,7 +52,7 @@ import Data.Word (Word64)
 import Network.HTTP.Types (badGateway502, badRequest400, hContentType, ok200)
 import Network.Wai (Application, responseLBS, strictRequestBody)
 import qualified Network.Wai.Handler.Warp as Warp
-import Numeric (showHex)
+import Numeric (readHex, showHex)
 import Simplex.Messaging.Crypto (keccak256)
 import qualified Simplex.Messaging.Crypto.Secp256k1 as S
 import Simplex.Messaging.Encoding.String (strDecode)
@@ -84,9 +88,13 @@ data FakeState = FakeState
     -- | the transactions the node knows and has not mined, by nonce
     fsPool :: Map Word64 ByteString,
     fsReceipts :: Map ByteString (Bool, Word64),
+    -- | the revert data of the dry runs of these calldata
+    fsDryRuns :: Map ByteString ByteString,
     -- | the key's transaction count at the latest block
     fsUsed :: Word64,
     fsBlock :: (Word64, Word64),
+    -- | the times of the blocks mined or set, by number
+    fsBlockTimes :: Map Word64 Word64,
     -- | the suggested tip and the base fee
     fsFees :: (Word64, Word64),
     fsClosed :: Bool
@@ -110,7 +118,7 @@ fakeResolver = address "0x2279b7a0a67db372996a5fab50d91eaa73d2ebe6"
 fakeRegistrarKey :: S.Secp256k1PrivateKey
 fakeRegistrarKey = either error id $ S.mkPrivateKey $ BA.replicate 32 0x46
 
--- | 2026-01-01, block 1; each mined block is this many seconds later.
+-- | 2026-01-01, block 1 after the genesis block 0; each mined block is this many seconds later.
 genesisTime, blockSeconds :: Word64
 genesisTime = 1767225600
 blockSeconds = 12
@@ -125,8 +133,10 @@ withFakeEthNode action = do
           fsSent = [],
           fsPool = M.empty,
           fsReceipts = M.empty,
+          fsDryRuns = M.empty,
           fsUsed = 0,
           fsBlock = (1, genesisTime),
+          fsBlockTimes = M.fromList [(0, genesisTime - blockSeconds), (1, genesisTime)],
           fsFees = (fakeTip, fakeBaseFee),
           fsClosed = False
         }
@@ -164,7 +174,11 @@ revertFault = RpcError 3 "execution reverted" . Just
 
 -- | Sets the latest block's number and time.
 setBlock :: FakeEthNode -> Word64 -> Word64 -> IO ()
-setBlock FakeEthNode {fnState} number time = atomically $ modifyTVar' fnState $ \s -> s {fsBlock = (number, time)}
+setBlock FakeEthNode {fnState} number time = atomically $ modifyTVar' fnState $ \s -> s {fsBlock = (number, time), fsBlockTimes = M.insert number time $ fsBlockTimes s}
+
+-- | The dry run of this calldata reverts with this data, or passes again with Nothing.
+revertDryRun :: FakeEthNode -> ByteString -> Maybe ByteString -> IO ()
+revertDryRun FakeEthNode {fnState} calldata revertData = atomically $ modifyTVar' fnState $ \s -> s {fsDryRuns = M.alter (const revertData) calldata $ fsDryRuns s}
 
 setFees :: FakeEthNode -> Word64 -> Word64 -> IO ()
 setFees FakeEthNode {fnState} tip baseFee = atomically $ modifyTVar' fnState $ \s -> s {fsFees = (tip, baseFee)}
@@ -177,7 +191,7 @@ mine FakeEthNode {fnState} txs = atomically $ do
   let number' = number + 1
       mined = M.fromList [(h, (ok, number')) | (h, ok) <- txs]
       used = maximum $ fsUsed : [nonce + 1 | (nonce, raw) <- M.toList fsPool, keccak256 raw `M.member` mined]
-  writeTVar fnState s {fsBlock = (number', time + blockSeconds), fsReceipts = M.union mined fsReceipts, fsPool = M.dropWhileAntitone (< used) fsPool, fsUsed = used}
+  writeTVar fnState s {fsBlock = (number', time + blockSeconds), fsBlockTimes = M.insert number' (time + blockSeconds) $ fsBlockTimes s, fsReceipts = M.union mined fsReceipts, fsPool = M.dropWhileAntitone (< used) fsPool, fsUsed = used}
   pure number'
 
 -- | The node forgets a transaction it has not mined, as after its own restart.
@@ -196,6 +210,13 @@ useNextNonce FakeEthNode {fnState} = atomically $ modifyTVar' fnState $ \s@FakeS
 sentTransactions :: FakeEthNode -> IO [ByteString]
 sentTransactions FakeEthNode {fnState} = reverse . fsSent <$> readTVarIO fnState
 
+-- | Waits until the node has received at least this many raw transactions, and returns them in the order they were sent.
+awaitSent :: FakeEthNode -> Int -> IO [ByteString]
+awaitSent FakeEthNode {fnState} n = atomically $ do
+  sent <- fsSent <$> readTVar fnState
+  check $ length sent >= n
+  pure $ reverse sent
+
 fakeApp :: TVar FakeState -> Application
 fakeApp st req respond = do
   body <- strictRequestBody req
@@ -219,7 +240,7 @@ fakeApp st req respond = do
 
 answer :: TVar FakeState -> Text -> [J.Value] -> STM [JT.Pair]
 answer st method params = do
-  s@FakeState {fsCalls, fsSent, fsPool, fsReceipts, fsUsed, fsBlock = (number, time), fsFees = (tip, baseFee)} <- readTVar st
+  s@FakeState {fsCalls, fsSent, fsPool, fsReceipts, fsDryRuns, fsUsed, fsBlock = (number, time), fsBlockTimes, fsFees = (tip, baseFee)} <- readTVar st
   case (method, params) of
     ("eth_call", [call, _])
       | Just (to, calldata) <- JT.parseMaybe callTarget call ->
@@ -227,13 +248,21 @@ answer st method params = do
             Just (Returns ret) -> result $ hex ret
             Just (Reverts revertData) -> rpcError 3 "execution reverted" (Just revertData)
             Nothing -> rpcError (-32000) "no fake answer for this call" Nothing
+    ("eth_estimateGas", call : _)
+      | Just (_, calldata) <- JT.parseMaybe callTarget call,
+        Just revertData <- M.lookup calldata fsDryRuns ->
+          pure $ rpcError 3 "execution reverted" (Just revertData)
     ("eth_estimateGas", _) -> pure $ result $ quantity fakeGas
     ("eth_getTransactionCount", [_, J.String "latest"]) -> pure $ result $ quantity $ toInteger fsUsed
     ("eth_getTransactionCount", [_, J.String "pending"]) ->
       pure $ result $ quantity $ toInteger $ fsUsed + fromIntegral (length $ takeWhile (`M.member` fsPool) [fsUsed ..])
     ("eth_maxPriorityFeePerGas", _) -> pure $ result $ quantity $ toInteger tip
-    ("eth_getBlockByNumber", [J.String "latest", _]) ->
-      pure $ result $ J.object ["number" .= quantity (toInteger number), "timestamp" .= quantity (toInteger time), "baseFeePerGas" .= quantity (toInteger baseFee)]
+    ("eth_getBlockByNumber", [J.String "latest", _]) -> pure $ result $ blockJson baseFee number time
+    -- a block not mined or set here has the time of the last one before it
+    ("eth_getBlockByNumber", [J.String n, _])
+      | Just at <- fromQuantity n -> pure $ result $ case M.lookupLE at fsBlockTimes of
+          Just (_, t) | at <= number -> blockJson baseFee at t
+          _ -> J.Null
     ("eth_getTransactionReceipt", [J.String h]) | Just hash <- fromHex h -> pure $ result $ case M.lookup hash fsReceipts of
       Just (ok, block) -> J.object ["transactionHash" .= h, "status" .= quantity (if ok then 1 else 0), "blockNumber" .= quantity (toInteger block)]
       Nothing -> J.Null
@@ -260,12 +289,20 @@ answer st method params = do
     result v = ["result" .= v]
     callTarget = J.withObject "call" $ \o -> (,) <$> o .: "to" <*> (maybe (fail "not hex data") pure . fromHex =<< o .: "data")
 
+blockJson :: Word64 -> Word64 -> Word64 -> J.Value
+blockJson baseFee number time = J.object ["number" .= quantity (toInteger number), "timestamp" .= quantity (toInteger time), "baseFeePerGas" .= quantity (toInteger baseFee)]
+
 rpcError :: Int -> Text -> Maybe ByteString -> [JT.Pair]
 rpcError code message revertData = ["error" .= J.object (["code" .= code, "message" .= message] <> maybe [] (\d -> ["data" .= hex d]) revertData)]
 
 quantity :: Integer -> Text
 quantity n = "0x" <> T.pack (showHex n "")
 
+fromQuantity :: Text -> Maybe Word64
+fromQuantity t = case T.stripPrefix "0x" t of
+  Just h | [(n, "")] <- readHex (T.unpack h) -> Just n
+  _ -> Nothing
+
 fromHex :: Text -> Maybe ByteString
 fromHex t = T.stripPrefix "0x" t >>= eitherToMaybe . convertFromBase Base16 . encodeUtf8
 
diff --git a/tests/Bots/StoreService/NamesChainTests.hs b/tests/Bots/StoreService/NamesChainTests.hs
index 874460ccbe..ab231e7f7c 100644
--- a/tests/Bots/StoreService/NamesChainTests.hs
+++ b/tests/Bots/StoreService/NamesChainTests.hs
@@ -28,6 +28,7 @@ namesChainTests = describe "StoreService names: chain" $ do
   g <- runIO C.newRandom
   describe "reverts" $ do
     it "names every contract error by the selector viem encodes it with" testRevertSelectors
+    it "writes a revert's name as the contracts declare it, none for a revert without data" testRevertText
     it "reads a dry run's revert with data by its name" $ testDryRunRevertNamed g
     it "reads an eth_call revert with data by its name" $ testCallRevertNamed g
     it "reads ownerOf of a name nobody holds as a revert" $ testOwnerOfRevert g
@@ -46,6 +47,7 @@ namesChainTests = describe "StoreService names: chain" $ do
   describe "reads" $ do
     it "answers eth_call from the node by contract and calldata" $ testEthCall g
     it "reads the latest block's number, time and base fee" $ testLatestBlock g
+    it "reads a block by its number, and one the node does not have as a failed read" $ testBlockAt g
     it "follows a transaction from sent to mined with its receipt and the nonces" $ testFollowTransaction g
   describe "transactions" $ do
     it "signs a transaction whose hash is the node's keccak256 of the raw bytes" $ testSignedHash g
@@ -106,6 +108,12 @@ testRevertSelectors = do
   decodeRevert (B.take 3 $ unhex "74480cc9") `shouldBe` Nothing
   decodeRevert "" `shouldBe` Just RNWithoutData
 
+testRevertText :: IO ()
+testRevertText = do
+  revertText RNInvalidNonce `shouldBe` Just "InvalidNonce"
+  revertText RNSignatureExpired `shouldBe` Just "SignatureExpired"
+  revertText RNWithoutData `shouldBe` Nothing
+
 testDryRunRevertNamed :: TVar ChaChaDRG -> IO ()
 testDryRunRevertNamed g = withChain g $ \node c -> do
   setFault node "eth_estimateGas" $ revertFault insufficientAllowance
@@ -224,6 +232,14 @@ testLatestBlock g = withChain g $ \node c -> do
   setBlock node 21000000 1798761600
   latestBlock c `shouldReturn` Right Block {blockNumber = 21000000, blockTimestamp = 1798761600, blockBaseFee = fakeBaseFee}
 
+testBlockAt :: TVar ChaChaDRG -> IO ()
+testBlockAt g = withChain g $ \node c -> do
+  setBlock node 100 1798761600
+  mined <- mine node []
+  blockAt c 100 `shouldReturn` Right Block {blockNumber = 100, blockTimestamp = 1798761600, blockBaseFee = fakeBaseFee}
+  blockAt c mined `shouldReturn` Right Block {blockNumber = 101, blockTimestamp = 1798761612, blockBaseFee = fakeBaseFee}
+  blockAt c 102 >>= (`shouldSatisfy` \case Left (ChainUnavailable _) -> True; _ -> False)
+
 testFollowTransaction :: TVar ChaChaDRG -> IO ()
 testFollowTransaction g = withChain g $ \node c@ChainClient {ccRegistrar} -> do
   let unknown = TxHash $ B.replicate 32 0xee
diff --git a/tests/Bots/StoreService/NamesContractsTests.hs b/tests/Bots/StoreService/NamesContractsTests.hs
index 89d6a38e73..61e240ce44 100644
--- a/tests/Bots/StoreService/NamesContractsTests.hs
+++ b/tests/Bots/StoreService/NamesContractsTests.hs
@@ -122,6 +122,7 @@ testRecords g = withContracts g $ \node ct -> do
   answerCall node resolver noncesCall $ Returns $ uint256 (3 :: Int)
   nameRecords ct alice (registeredAlice resolver $ now + year)
     `shouldReturn` Right (Just NameRecords {rdContact = "https://smp8.simplex.im/a#Y8m3", rdChannel = "", rdNonce = 3})
+  textRecord ct alice "simplex.contact" `shouldReturn` Right "https://smp8.simplex.im/a#Y8m3"
 
 testOtherResolver :: TVar ChaChaDRG -> IO ()
 testOtherResolver g = withContracts g $ \_ ct -> do