chore: Update OpenAPI spec client names

This updates the `Wallet Stake` => `MPC Wallet Stake` and this moves
`Validators` -> `Stake` API to reflect changes to the OpenAPI spec.

lib/coinbase/staking_operation.rb

@@ -107,7 +107,7 @@ def self.stake_api
     private_class_method :stake_api
 
     def self.wallet_stake_api
-      Coinbase::Client::WalletStakeApi.new(Coinbase.configuration.api_client)
+      Coinbase::Client::MPCWalletStakeApi.new(Coinbase.configuration.api_client)
     end
 
     private_class_method :wallet_stake_api
@@ -324,7 +324,7 @@ def stake_api
     end
 
     def wallet_stake_api
-      @wallet_stake_api ||= Coinbase::Client::WalletStakeApi.new(Coinbase.configuration.api_client)
+      @wallet_stake_api ||= Coinbase::Client::MPCWalletStakeApi.new(Coinbase.configuration.api_client)
     end
 
     def update_transactions(transactions)

lib/coinbase/validator.rb

@@ -33,12 +33,9 @@ def self.fetch(network, asset_id, validator_id)
       network = Coinbase::Network.from_id(network)
 
       validator = Coinbase.call_api do
-        validators_api.get_validator(
-          network.normalized_id,
-          asset_id,
-          validator_id
-        )
+        stake_api.get_validator(network.normalized_id, asset_id, validator_id)
       end
+
       new(validator)
     end
 
@@ -57,7 +54,7 @@ def status
     # Returns a string representation of the Validator.
     # @return [String] a string representation of the Validator
     def to_s
-      "Coinbase::Validator{id: '#{validator_id}' status: '#{status}'}"
+      Coinbase.pretty_print_object(self, validator_id: validator_id, status: status)
     end
 
     # Same as to_s.
@@ -68,7 +65,7 @@ def inspect
 
     def self.list_page(network, asset_id, status, page)
       Coinbase.call_api do
-        validators_api.list_validators(
+        stake_api.list_validators(
           network.normalized_id,
           asset_id,
           {
@@ -81,10 +78,10 @@ def self.list_page(network, asset_id, status, page)
 
     private_class_method :list_page
 
-    def self.validators_api
-      Coinbase::Client::ValidatorsApi.new(Coinbase.configuration.api_client)
+    def self.stake_api
+      Coinbase::Client::StakeApi.new(Coinbase.configuration.api_client)
     end
 
-    private_class_method :validators_api
+    private_class_method :stake_api
   end
 end

spec/unit/coinbase/staking_operation_spec.rb

@@ -26,12 +26,12 @@
   let(:hex_encoded_transaction) { '0xdeadbeef' }
 
   let(:stake_api) { instance_double(Coinbase::Client::StakeApi) }
-  let(:wallet_stake_api) { instance_double(Coinbase::Client::WalletStakeApi) }
+  let(:wallet_stake_api) { instance_double(Coinbase::Client::MPCWalletStakeApi) }
   let(:raw_tx) { instance_double(Eth::Tx::Eip1559) }
 
   before do
     allow(Coinbase::Client::StakeApi).to receive(:new).and_return(stake_api)
-    allow(Coinbase::Client::WalletStakeApi).to receive(:new).and_return(wallet_stake_api)
+    allow(Coinbase::Client::MPCWalletStakeApi).to receive(:new).and_return(wallet_stake_api)
 
     allow(staking_operation_model).to receive(:transactions).and_return([transaction_model])
     allow(transaction_model).to receive(:unsigned_payload).and_return('some_unsigned_payload')

spec/unit/coinbase/validator_spec.rb

@@ -6,7 +6,7 @@
   let(:network) { build(:network, network_id) }
   let(:asset_id) { :asset_id }
   let(:validator_id) { 'validator_id' }
-  let(:stake_api) { instance_double(Coinbase::Client::ValidatorsApi) }
+  let(:stake_api) { instance_double(Coinbase::Client::StakeApi) }
   let(:validator_model) do
     instance_double(
       Coinbase::Client::Validator,
@@ -16,7 +16,7 @@
   end
 
   before do
-    allow(Coinbase::Client::ValidatorsApi).to receive(:new).and_return(stake_api)
+    allow(Coinbase::Client::StakeApi).to receive(:new).and_return(stake_api)
     allow(stake_api).to receive(:get_validator).and_return(validator_model)
   end