add difficulty to lightdinfo

cli/src/lib.rs

@@ -238,6 +238,7 @@ pub fn attempt_recover_seed() {
         server: "0.0.0.0:0".parse().unwrap(),
         chain_name: "main".to_string(),
         sapling_activation_height: 0,
+      //  difficulty: 0,
         consensus_branch_id: "000000".to_string(),
         anchor_offset: 0,
         no_cert_verification: false,

lib/proto/service.proto

@@ -52,6 +52,7 @@ message LightdInfo {
     uint64 saplingActivationHeight = 5;
     string consensusBranchId = 6;   // This should really be u32 or []byte, but string for readability
     uint64 blockHeight = 7;
+    uint64 difficulty = 8;
 }
 
 message TransparentAddress {

lib/src/lightclient.rs

@@ -102,6 +102,7 @@ impl LightClientConfig {
             chain_name                  : info.chain_name,
             sapling_activation_height   : info.sapling_activation_height,
             consensus_branch_id         : info.consensus_branch_id,
+            //difficulty                  : info.difficulty,
             anchor_offset               : ANCHOR_OFFSET,
             no_cert_verification        : dangerous,
             data_dir                    : None,
@@ -592,7 +593,8 @@ impl LightClient {
                     "chain_name" => i.chain_name,
                     "sapling_activation_height" => i.sapling_activation_height,
                     "consensus_branch_id" => i.consensus_branch_id,
-                    "latest_block_height" => i.block_height
+                    "latest_block_height" => i.block_height,
+                    "difficulty" => i.difficulty,
                 };
                 o.pretty(2)
             },

lib/src/lightclient/checkpoints.rs

@@ -23,7 +23,7 @@ fn get_test_checkpoint(height: u64) ->  Option<(u64, &'static str, &'static str)
 fn get_main_checkpoint(height: u64) ->  Option<(u64, &'static str, &'static str)> {
     let checkpoints: Vec<(u64, &str, &str)> = vec![
         (105942, "00000001c0199f329ee03379bf1387856dbab23765da508bf9b9d8d544f212c0",
-                 ""
+                 "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"
         )
     ];