add display name to collator

Rakefile

@@ -103,6 +103,7 @@ task :update_nominees, [:network_name] do |_t, args|
     kton_pool = get_storage(rpc, metadata, 'darwinia_staking', 'kton_pool', nil, nil)
     collator_commissions = get_collator_commissions(rpc, metadata) # includes active and waiting collators
     active_collator_addresses = get_active_collators(rpc, metadata)
+    identities = get_identities(rpc, metadata) # address => name
 
     # 1. Get all nominators with their nominees
     # ---------------------------------------
@@ -163,6 +164,7 @@ task :update_nominees, [:network_name] do |_t, args|
       [
         nominee_address,
         {
+          name: identities[nominee_address],
           power: nominee_powers[nominee_address],
           commission: collator_commissions[nominee_address],
           status: get_nominee_status(active_collator_addresses, waiting_collator_addresses, nominee_address)

src/account.rb

@@ -206,11 +206,25 @@ def get_nominee_status(active_collator_addresses, waiting_collator_addresses, no
   end
 end
 
+def get_identities(rpc, metadata)
+  storages = get_storage(rpc, metadata, 'identity', 'identity_of', nil, nil)
+  storages.map do |storage|
+    address = "0x#{storage[:storage_key][-40..]}"
+    name = if storage[:storage][:info][:display].instance_of?(Hash)
+             storage[:storage][:info][:display].values.first.to_utf8
+           end
+    [address, name]
+  end.to_h
+end
+
 # require_relative '../config/config'
 # config = get_config
 # crab_metadata = JSON.parse(File.read(config[:metadata][:crab]))
 # crab_rpc = config[:crab_rpc]
 
+# # get_identities
+# puts get_identities(crab_rpc, crab_metadata)
+
 # # collators
 # puts collators(crab_rpc, crab_metadata)