Merge pull request #6034

a574899 chaincodes: abstract away more chaincode behavior [squashme] replace struct CCainCode with a typedef uint256 ChainCode (Cory Fields)
8cf1485 Abstract chaincodes into CChainCode (Pieter Wuille)

1 files changed, 7 insertions, 7 deletions

diff --git a/src/key.cpp b/src/key.cpp
index 49941d6c7c..b772dff333 100644
--- a/src/key.cpp
+++ b/src/key.cpp
@@ -111,7 +111,7 @@ bool CKey::Load(CPrivKey &privkey, CPubKey &vchPubKey, bool fSkipCheck=false) {
     return VerifyPubKey(vchPubKey);
 }
 
-bool CKey::Derive(CKey& keyChild, unsigned char ccChild[32], unsigned int nChild, const unsigned char cc[32]) const {
+bool CKey::Derive(CKey& keyChild, ChainCode &ccChild, unsigned int nChild, const ChainCode& cc) const {
     assert(IsValid());
     assert(IsCompressed());
     unsigned char out[64];
@@ -124,7 +124,7 @@ bool CKey::Derive(CKey& keyChild, unsigned char ccChild[32], unsigned int nChild
         assert(begin() + 32 == end());
         BIP32Hash(cc, nChild, 0, begin(), out);
     }
-    memcpy(ccChild, out+32, 32);
+    memcpy(ccChild.begin(), out+32, 32);
     memcpy((unsigned char*)keyChild.begin(), begin(), 32);
     bool ret = secp256k1_ec_privkey_tweak_add(secp256k1_context, (unsigned char*)keyChild.begin(), out);
     UnlockObject(out);
@@ -138,7 +138,7 @@ bool CExtKey::Derive(CExtKey &out, unsigned int nChild) const {
     CKeyID id = key.GetPubKey().GetID();
     memcpy(&out.vchFingerprint[0], &id, 4);
     out.nChild = nChild;
-    return key.Derive(out.key, out.vchChainCode, nChild, vchChainCode);
+    return key.Derive(out.key, out.chaincode, nChild, chaincode);
 }
 
 void CExtKey::SetMaster(const unsigned char *seed, unsigned int nSeedLen) {
@@ -147,7 +147,7 @@ void CExtKey::SetMaster(const unsigned char *seed, unsigned int nSeedLen) {
     LockObject(out);
     CHMAC_SHA512(hashkey, sizeof(hashkey)).Write(seed, nSeedLen).Finalize(out);
     key.Set(&out[0], &out[32], true);
-    memcpy(vchChainCode, &out[32], 32);
+    memcpy(chaincode.begin(), &out[32], 32);
     UnlockObject(out);
     nDepth = 0;
     nChild = 0;
@@ -160,7 +160,7 @@ CExtPubKey CExtKey::Neuter() const {
     memcpy(&ret.vchFingerprint[0], &vchFingerprint[0], 4);
     ret.nChild = nChild;
     ret.pubkey = key.GetPubKey();
-    memcpy(&ret.vchChainCode[0], &vchChainCode[0], 32);
+    ret.chaincode = chaincode;
     return ret;
 }
 
@@ -169,7 +169,7 @@ void CExtKey::Encode(unsigned char code[74]) const {
     memcpy(code+1, vchFingerprint, 4);
     code[5] = (nChild >> 24) & 0xFF; code[6] = (nChild >> 16) & 0xFF;
     code[7] = (nChild >>  8) & 0xFF; code[8] = (nChild >>  0) & 0xFF;
-    memcpy(code+9, vchChainCode, 32);
+    memcpy(code+9, chaincode.begin(), 32);
     code[41] = 0;
     assert(key.size() == 32);
     memcpy(code+42, key.begin(), 32);
@@ -179,7 +179,7 @@ void CExtKey::Decode(const unsigned char code[74]) {
     nDepth = code[0];
     memcpy(vchFingerprint, code+1, 4);
     nChild = (code[5] << 24) | (code[6] << 16) | (code[7] << 8) | code[8];
-    memcpy(vchChainCode, code+9, 32);
+    memcpy(chaincode.begin(), code+9, 32);
     key.Set(code+42, code+74, true);
 }