chaincodes: abstract away more chaincode behavior

[squashme] replace struct CCainCode with a typedef uint256 ChainCode

1 files changed, 7 insertions, 7 deletions

diff --git a/src/key.cpp b/src/key.cpp
index 83128e4acc..308d43ea34 100644
--- a/src/key.cpp
+++ b/src/key.cpp
@@ -125,7 +125,7 @@ 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];
@@ -138,7 +138,7 @@ 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((unsigned char*)keyChild.begin(), out);
     UnlockObject(out);
@@ -152,7 +152,7 @@ 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.chaincode.data, nChild, chaincode.data);
+    return key.Derive(out.key, out.chaincode, nChild, chaincode);
 }
 
 void CExtKey::SetMaster(const unsigned char *seed, unsigned int nSeedLen) {
@@ -161,7 +161,7 @@ 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(chaincode.data, &out[32], 32);
+    memcpy(chaincode.begin(), &out[32], 32);
     UnlockObject(out);
     nDepth = 0;
     nChild = 0;
@@ -174,7 +174,7 @@ CExtPubKey CExtKey::Neuter() const {
     memcpy(&ret.vchFingerprint[0], &vchFingerprint[0], 4);
     ret.nChild = nChild;
     ret.pubkey = key.GetPubKey();
-    memcpy(&ret.chaincode.data[0], &chaincode.data[0], 32);
+    ret.chaincode = chaincode;
     return ret;
 }
 
@@ -183,7 +183,7 @@ 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, chaincode.data, 32);
+    memcpy(code+9, chaincode.begin(), 32);
     code[41] = 0;
     assert(key.size() == 32);
     memcpy(code+42, key.begin(), 32);
@@ -193,7 +193,7 @@ 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(chaincode.data, code+9, 32);
+    memcpy(chaincode.begin(), code+9, 32);
     key.Set(code+42, code+74, true);
 }