Pass chain and client variables where needed

This commit does not change behavior. All it does is pass new function
parameters.

It is easiest to review this change with:

    git log -p -n1 -U0 --word-diff-regex=.

1 files changed, 13 insertions, 3 deletions

diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 74eaa09506..32cd462c4c 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -33,6 +33,10 @@
 #include <utility>
 #include <vector>
 
+namespace interfaces {
+class Chain;
+} // namespace interfaces
+
 bool AddWallet(const std::shared_ptr<CWallet>& wallet);
 bool RemoveWallet(const std::shared_ptr<CWallet>& wallet);
 bool HasWallets();
@@ -676,6 +680,9 @@ private:
      */
     bool AddWatchOnly(const CScript& dest) override EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
 
+    /** Interface for accessing chain state. */
+    interfaces::Chain& m_chain;
+
     /** Wallet location which includes wallet name (see WalletLocation). */
     WalletLocation m_location;
 
@@ -737,7 +744,7 @@ public:
     unsigned int nMasterKeyMaxID = 0;
 
     /** Construct wallet with specified name and database implementation. */
-    CWallet(const WalletLocation& location, std::unique_ptr<WalletDatabase> database) : m_location(location), database(std::move(database))
+    CWallet(interfaces::Chain& chain, const WalletLocation& location, std::unique_ptr<WalletDatabase> database) : m_chain(chain), m_location(location), database(std::move(database))
     {
     }
 
@@ -759,6 +766,9 @@ public:
 
     std::set<COutPoint> setLockedCoins GUARDED_BY(cs_wallet);
 
+    /** Interface for accessing chain state. */
+    interfaces::Chain& chain() const { return m_chain; }
+
     const CWalletTx* GetWalletTx(const uint256& hash) const;
 
     //! check whether we are allowed to upgrade (or already support) to the named feature
@@ -1057,10 +1067,10 @@ public:
     bool MarkReplaced(const uint256& originalHash, const uint256& newHash);
 
     //! Verify wallet naming and perform salvage on the wallet if required
-    static bool Verify(const WalletLocation& location, bool salvage_wallet, std::string& error_string, std::string& warning_string);
+    static bool Verify(interfaces::Chain& chain, const WalletLocation& location, bool salvage_wallet, std::string& error_string, std::string& warning_string);
 
     /* Initializes the wallet, returns a new CWallet instance or a null pointer in case of an error */
-    static std::shared_ptr<CWallet> CreateWalletFromFile(const WalletLocation& location, uint64_t wallet_creation_flags = 0);
+    static std::shared_ptr<CWallet> CreateWalletFromFile(interfaces::Chain& chain, const WalletLocation& location, uint64_t wallet_creation_flags = 0);
 
     /**
      * Wallet post-init setup