set testnet spv proof expiration window to 23_040

Change-Id: I65b8c82d9c26b327a9052b5091a9a8930abd2538

Author: chessai

src/Chainweb/Version/Testnet.hs

@@ -143,8 +143,8 @@ testnet = ChainwebVersion
         (succ $ testnet ^?! versionForks . at Chainweb216Pact . _Just . onChain (unsafeChainId 0) . _ForkAtBlockHeight, Just 180_000) `Above`
         Bottom (minBound, Nothing)
     , _versionSpvProofExpirationWindow =
-        -- FIXME: pin down what this should be
-        --(succ $ testnet ^?! versionForks . at Chainweb227Pact . _Just . onChain (unsafeChainId 0) . _ForkAtBlockHeight, Nothing) `Above`
+        -- 23_040 is 4x current max TTL
+        (succ $ testnet ^?! versionForks . at Chainweb227Pact . _Just . onChain (unsafeChainId 0) . _ForkAtBlockHeight, 23_040) `Above`
         Bottom (minBound, Nothing)
     , _versionBootstraps = domainAddr2PeerInfo testnetBootstrapHosts
     , _versionGenesis = VersionGenesis