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Add convenience method GetNonIssuanceBlindingData

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Glenn Willen 2019-05-01 18:27:26 -07:00 • committed by Steven Roose
parent 751c0771da
commit 059b90f0e6
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GPG key ID: 2F2A88D7F8D68E87
2 changed files with 14 additions and 18 deletions
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29
src/wallet/wallet.cpp
View file

@ -5390,48 +5390,41 @@ void CWalletTx::GetBlindingData(const unsigned int map_index, const std::vector<
if (asset_out) *asset_out = asset_tag;
}
CAmount CWalletTx::GetOutputValueOut(unsigned int output_index) const {
void CWalletTx::GetNonIssuanceBlindingData(const unsigned int output_index, CPubKey* blinding_pubkey_out, CAmount* value_out, uint256* value_factor_out, CAsset* asset_out, uint256* asset_factor_out) const {
assert(output_index < tx->vout.size());
const CTxOut& out = tx->vout[output_index];
const CTxWitness& wit = tx->witness;
GetBlindingData(output_index, wit.vtxoutwit.size() <= output_index ? std::vector<unsigned char>() : wit.vtxoutwit[output_index].vchRangeproof, out.nValue, out.nAsset, out.nNonce, out.scriptPubKey,
blinding_pubkey_out, value_out, value_factor_out, asset_out, asset_factor_out);
}
CAmount CWalletTx::GetOutputValueOut(unsigned int output_index) const {
CAmount ret;
GetBlindingData(output_index, wit.vtxoutwit.size() <= output_index ? std::vector<unsigned char>() : wit.vtxoutwit[output_index].vchRangeproof, out.nValue, out.nAsset, out.nNonce, out.scriptPubKey, nullptr, &ret, nullptr, nullptr, nullptr);
GetNonIssuanceBlindingData(output_index, nullptr, &ret, nullptr, nullptr, nullptr);
return ret;
}
uint256 CWalletTx::GetOutputAmountBlindingFactor(unsigned int output_index) const {
assert(output_index < tx->vout.size());
const CTxOut& out = tx->vout[output_index];
const CTxWitness& wit = tx->witness;
uint256 ret;
GetBlindingData(output_index, wit.vtxoutwit.size() <= output_index ? std::vector<unsigned char>() : wit.vtxoutwit[output_index].vchRangeproof, out.nValue, out.nAsset, out.nNonce, out.scriptPubKey, nullptr, nullptr, &ret, nullptr, nullptr);
GetNonIssuanceBlindingData(output_index, nullptr, nullptr, &ret, nullptr, nullptr);
return ret;
}
uint256 CWalletTx::GetOutputAssetBlindingFactor(unsigned int output_index) const {
assert(output_index < tx->vout.size());
const CTxOut& out = tx->vout[output_index];
const CTxWitness& wit = tx->witness;
uint256 ret;
GetBlindingData(output_index, wit.vtxoutwit.size() <= output_index ? std::vector<unsigned char>() : wit.vtxoutwit[output_index].vchRangeproof, out.nValue, out.nAsset, out.nNonce, out.scriptPubKey, nullptr, nullptr, nullptr, nullptr, &ret);
GetNonIssuanceBlindingData(output_index, nullptr, nullptr, nullptr, nullptr, &ret);
return ret;
}
CAsset CWalletTx::GetOutputAsset(unsigned int output_index) const {
assert(output_index < tx->vout.size());
const CTxOut& out = tx->vout[output_index];
const CTxWitness& wit = tx->witness;
CAsset ret;
GetBlindingData(output_index, wit.vtxoutwit.size() <= output_index ? std::vector<unsigned char>() : wit.vtxoutwit[output_index].vchRangeproof, out.nValue, out.nAsset, out.nNonce, out.scriptPubKey, nullptr, nullptr, nullptr, &ret, nullptr);
GetNonIssuanceBlindingData(output_index, nullptr, nullptr, nullptr, &ret, nullptr);
return ret;
}
CPubKey CWalletTx::GetOutputBlindingPubKey(unsigned int output_index) const {
assert(output_index < tx->vout.size());
const CTxOut& out = tx->vout[output_index];
const CTxWitness& wit = tx->witness;
CPubKey ret;
GetBlindingData(output_index, wit.vtxoutwit.size() <= output_index ? std::vector<unsigned char>() : wit.vtxoutwit[output_index].vchRangeproof, out.nValue, out.nAsset, out.nNonce, out.scriptPubKey, &ret, nullptr, nullptr, nullptr, nullptr);
GetNonIssuanceBlindingData(output_index, &ret, nullptr, nullptr, nullptr, nullptr);
return ret;
}

3
src/wallet/wallet.h
View file

@ -573,6 +573,9 @@ public:
// Unneeded for issuance.
void SetBlindingData(const unsigned int output_index, const CPubKey& blinding_pubkey, const CAmount value, const uint256& value_factor, const CAsset& asset, const uint256& asset_factor);
// Convenience method to retrieve all blinding data at once, for an ordinary non-issuance tx
void GetNonIssuanceBlindingData(const unsigned int output_index, CPubKey* blinding_pubkey_out, CAmount* value_out, uint256* value_factor_out, CAsset* asset_out, uint256* asset_factor_out) const;
//! Returns either the value out (if it is known) or -1
CAmount GetOutputValueOut(unsigned int ouput_index) const;