From 090f33f788749b9d2a9105ff17d6e1e5ff36019b Mon Sep 17 00:00:00 2001
From: Iceman <iceman@satisfiesvalues.org>
Date: Mon, 2 Aug 2021 14:35:41 -0400
Subject: [PATCH] nixos/geth: Change default to snap sync

Starting in v1.10.4, go-ethereum changed the default sync mode to snap
sync. This adds "snap" as one of valid types of syncmode and updates
`services.geth.syncmode` to use it by default instead of the previous
fast sync.
---
 nixos/modules/services/blockchain/ethereum/geth.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/nixos/modules/services/blockchain/ethereum/geth.nix b/nixos/modules/services/blockchain/ethereum/geth.nix
index be3f40f6bd86..6c2df95886e7 100644
--- a/nixos/modules/services/blockchain/ethereum/geth.nix
+++ b/nixos/modules/services/blockchain/ethereum/geth.nix
@@ -83,8 +83,8 @@ let
       };
 
       syncmode = mkOption {
-        type = types.enum [ "fast" "full" "light" ];
-        default = "fast";
+        type = types.enum [ "snap" "fast" "full" "light" ];
+        default = "snap";
         description = "Blockchain sync mode.";
       };