GlcoinCore/elements
1
0
Fork 0
mirror of https://github.com/ElementsProject/elements.git synced 2026-08-14 12:43:40 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Add base58 support for blinded addresses

Browse source
This commit is contained in:
Matt Corallo 2016-02-29 13:44:46 -05:00 • committed by Gregory Sanders
parent 7ab3826dd1
commit f044cba41a
4 changed files with 54 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

45
src/base58.cpp
View file

@ -240,13 +240,49 @@ bool CBitcoinAddress::Set(const CTxDestination& dest)
return boost::apply_visitor(CBitcoinAddressVisitor(this), dest);
}
CBitcoinAddress& CBitcoinAddress::AddBlindingKey(const CPubKey& pubkey)
{
if (!pubkey.IsValid()) {
return *this;
}
assert(pubkey.size() == 33);
assert(!IsBlinded());
std::vector<unsigned char> data = vchVersion;
data.insert(data.end(), pubkey.begin(), pubkey.end());
data.insert(data.end(), vchData.begin(), vchData.end());
SetData(Params().Base58Prefix(CChainParams::BLINDED_ADDRESS), &data[0], data.size());
return *this;
}
CPubKey CBitcoinAddress::GetBlindingKey() const
{
assert(IsBlinded());
CPubKey pubkey(&vchData[1], &vchData[34]);
return pubkey;
}
bool CBitcoinAddress::IsBlinded(const CChainParams& params) const
{
return (vchVersion == params.Base58Prefix(CChainParams::BLINDED_ADDRESS) && vchData.size() > 34);
}
bool CBitcoinAddress::IsValid() const
{
return IsValid(Params());
}
CBitcoinAddress CBitcoinAddress::GetUnblinded() const
{
CBitcoinAddress subaddr;
subaddr.SetData(std::vector<unsigned char>(&vchData[0], &vchData[1]), &vchData[34], vchData.size() - 34);
return subaddr;
}
bool CBitcoinAddress::IsValid(const CChainParams& params) const
{
if (IsBlinded(params)) {
return GetUnblinded().IsValid(params);
}
bool fCorrectSize = vchData.size() == 20;
bool fKnownVersion = vchVersion == params.Base58Prefix(CChainParams::PUBKEY_ADDRESS) ||
vchVersion == params.Base58Prefix(CChainParams::SCRIPT_ADDRESS);
@ -255,6 +291,9 @@ bool CBitcoinAddress::IsValid(const CChainParams& params) const
CTxDestination CBitcoinAddress::Get() const
{
if (IsBlinded()) {
return GetUnblinded().Get();
}
if (!IsValid())
return CNoDestination();
uint160 id;
@ -269,6 +308,9 @@ CTxDestination CBitcoinAddress::Get() const
bool CBitcoinAddress::GetKeyID(CKeyID& keyID) const
{
if (IsBlinded()) {
return GetUnblinded().GetKeyID(keyID);
}
if (!IsValid() || vchVersion != Params().Base58Prefix(CChainParams::PUBKEY_ADDRESS))
return false;
uint160 id;
@ -279,6 +321,9 @@ bool CBitcoinAddress::GetKeyID(CKeyID& keyID) const
bool CBitcoinAddress::IsScript() const
{
if (IsBlinded()) {
return GetUnblinded().IsScript();
}
return IsValid() && vchVersion == Params().Base58Prefix(CChainParams::SCRIPT_ADDRESS);
}