1 files changed, 14 insertions, 8 deletions
diff --git a/src/key.cpp b/src/key.cpp
index 2bd6396298..97d7821e74 100644
--- a/src/key.cpp
+++ b/src/key.cpp
@@ -166,12 +166,6 @@ void CKey::MakeNewKey(bool fCompressedIn) {
     fCompressed = fCompressedIn;
 }
 
-bool CKey::Negate()
-{
-    assert(keydata);
-    return secp256k1_ec_seckey_negate(secp256k1_context_sign, keydata->data());
-}
-
 CPrivKey CKey::GetPrivKey() const {
     assert(keydata);
     CPrivKey seckey;
@@ -432,7 +426,8 @@ bool ECC_InitSanityCheck() {
     return key.VerifyPubKey(pubkey);
 }
 
-void ECC_Start() {
+/** Initialize the elliptic curve support. May not be called twice without calling ECC_Stop first. */
+static void ECC_Start() {
     assert(secp256k1_context_sign == nullptr);
 
     secp256k1_context *ctx = secp256k1_context_create(SECP256K1_CONTEXT_NONE);
@@ -449,7 +444,8 @@ void ECC_Start() {
     secp256k1_context_sign = ctx;
 }
 
-void ECC_Stop() {
+/** Deinitialize the elliptic curve support. No-op if ECC_Start wasn't called first. */
+static void ECC_Stop() {
     secp256k1_context *ctx = secp256k1_context_sign;
     secp256k1_context_sign = nullptr;
 
@@ -457,3 +453,13 @@ void ECC_Stop() {
         secp256k1_context_destroy(ctx);
     }
 }
+
+ECC_Context::ECC_Context()
+{
+    ECC_Start();
+}
+
+ECC_Context::~ECC_Context()
+{
+    ECC_Stop();
+}