refactor: move Boost datetime usage to wallet

This means we don't need datetime in a --disable-wallet build, and it
isn't included in the kernel.

1 files changed, 16 insertions, 0 deletions

diff --git a/src/wallet/rpc/util.cpp b/src/wallet/rpc/util.cpp
index 3c1634324e..1aa2a87e99 100644
--- a/src/wallet/rpc/util.cpp
+++ b/src/wallet/rpc/util.cpp
@@ -12,10 +12,26 @@
 
 #include <univalue.h>
 
+#include <boost/date_time/posix_time/posix_time.hpp>
+
 namespace wallet {
 static const std::string WALLET_ENDPOINT_BASE = "/wallet/";
 const std::string HELP_REQUIRING_PASSPHRASE{"\nRequires wallet passphrase to be set with walletpassphrase call if wallet is encrypted.\n"};
 
+int64_t ParseISO8601DateTime(const std::string& str)
+{
+    static const boost::posix_time::ptime epoch = boost::posix_time::from_time_t(0);
+    static const std::locale loc(std::locale::classic(),
+        new boost::posix_time::time_input_facet("%Y-%m-%dT%H:%M:%SZ"));
+    std::istringstream iss(str);
+    iss.imbue(loc);
+    boost::posix_time::ptime ptime(boost::date_time::not_a_date_time);
+    iss >> ptime;
+    if (ptime.is_not_a_date_time() || epoch > ptime)
+        return 0;
+    return (ptime - epoch).total_seconds();
+}
+
 bool GetAvoidReuseFlag(const CWallet& wallet, const UniValue& param) {
     bool can_avoid_reuse = wallet.IsWalletFlagSet(WALLET_FLAG_AVOID_REUSE);
     bool avoid_reuse = param.isNull() ? can_avoid_reuse : param.get_bool();