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Initial implementation of anonsettxdelta + z_anonsetblockdelta

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This commit is contained in:
Jonathan "Duke" Leto
2022-06-07 20:05:49 -07:00
parent 421edc8979
commit bdde67c359
1 changed files with 88 additions and 0 deletions
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88
src/wallet/rpcwallet.cpp
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@@ -3652,6 +3652,92 @@ UniValue z_listsentbyaddress(const UniValue& params, bool fHelp,const CPubKey&)
return ret;
}
UniValue z_anonsetblockdelta(const UniValue& params, bool fHelp, const CPubKey& mypk)
{
if (!EnsureWalletIsAvailable(fHelp))
return NullUniValue;
if (fHelp || params.size() != 1)
throw runtime_error(
"z_anonsetblockdelta\n"
"\nReturns delta (difference) in the anonset for a given block height.\n"
"\nArguments:\n"
"1. \"height\" (number, required) The block height\n"
"\nResult:\n"
"\"delta\" (integer) An integer number.\n"
"\nExamples:\n"
+ HelpExampleCli("z_anonsetblockdelta 123", "456")
+ HelpExampleRpc("z_anonsetblockdelta 123", "456")
);
LOCK2(cs_main, pwalletMain->cs_wallet);
std::string strHeight = params[0].get_str();
int nHeight = -1;
try {
nHeight = std::stoi(strHeight);
} catch (const std::exception &e) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid block height parameter");
}
if (nHeight < 0 || nHeight > chainActive.Height()) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Block height out of range");
}
strHash = chainActive[nHeight]->GetBlockHash().GetHex();
uint256 hash(uint256S(strHash));
if (mapBlockIndex.count(hash) == 0)
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Block not found");
CBlock block;
CBlockIndex* pblockindex = mapBlockIndex[hash];
if (fHavePruned && !(pblockindex->nStatus & BLOCK_HAVE_DATA) && pblockindex->nTx > 0)
throw JSONRPCError(RPC_INTERNAL_ERROR, "Block not available (pruned data)");
if(!ReadBlockFromDisk(block, pblockindex,1))
throw JSONRPCError(RPC_INTERNAL_ERROR, "Can't read block from disk");
int delta = 0;
BOOST_FOREACH(const CTransaction&tx, block.vtx)
{
// delta = shielded outputs - shielded inputs
delta += tx.vShieldedOutput.size() - tx.vShieldedSpend.size();
}
return delta;
}
UniValue z_anonsettxdelta(const UniValue& params, bool fHelp, const CPubKey& mypk)
{
if (!EnsureWalletIsAvailable(fHelp))
return NullUniValue;
if (fHelp || params.size() != 1)
throw runtime_error(
"z_anonsettxdelta\n"
"\nReturns delta (difference) in the anonset for a given txid.\n"
"\nArguments:\n"
"1. \"txid\" (string, required) The transaction id\n"
"\nResult:\n"
"\"delta\" (integer) An integer number.\n"
"\nExamples:\n"
+ HelpExampleCli("z_anonsettxdelta txid", "123")
+ HelpExampleRpc("z_anonsettxdelta txid", "123")
);
LOCK2(cs_main, pwalletMain->cs_wallet);
uint256 txid;
txid.SetHex(params[0].get_str());
if (!pwalletMain->mapWallet.count(hash))
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid or non-wallet transaction id!");
const CWalletTx& wtx = pwalletMain->mapWallet[hash];
// delta = shielded outputs - shielded inputs
int delta = wtx.vShieldedSpend.size() - wtx.vShieldedOutput.size();
return delta;
}
UniValue z_getbalances(const UniValue& params, bool fHelp, const CPubKey& mypk)
{
if (!EnsureWalletIsAvailable(fHelp))
@@ -8352,6 +8438,8 @@ static const CRPCCommand commands[] =
{ "wallet", "z_listunspent", &z_listunspent, false },
{ "wallet", "z_getbalance", &z_getbalance, false },
{ "wallet", "z_getbalances", &z_getbalances, false },
{ "wallet", "z_anonsettxdelta", &z_anonsettxdelta, true },
{ "wallet", "z_anonsetblockdelta", &z_anonsetblockdelta, true },
{ "wallet", "z_gettotalbalance", &z_gettotalbalance, false },
{ "wallet", "z_mergetoaddress", &z_mergetoaddress, false },
{ "wallet", "z_sendmany", &z_sendmany, false },