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Gettotalsupply #1447

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Gettotalsupply #1447

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718aebc
getrealsupply fixed
levonpetrosyan93 Apr 12, 2024
1e166f5
Update numbers
levonpetrosyan93 Apr 29, 2024
c8dd7c4
The comment fixed
levonpetrosyan93 Jun 10, 2024
eb5231b
Add getzerocoinpoolbalance rpc
levonpetrosyan93 Jun 16, 2024
be2deaa
Add getCVE17144amount rpc
levonpetrosyan93 Jun 23, 2024
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43 changes: 42 additions & 1 deletion src/rpc/misc.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1582,12 +1582,53 @@ UniValue gettotalsupply(const JSONRPCRequest& request)
if(!pblocktree->ReadTotalSupply(total))
throw JSONRPCError(RPC_DATABASE_ERROR, "Cannot read the total supply from the database. This functionality requires -addressindex to be enabled. Enabling -addressindex requires reindexing.");

total += 49839700000000; // The actual amount of coins forged during the Zerocoin attacks (the negative balance after the pool closed), you can verify the number by calling getzerocoinpoolbalance rpc
total += 3131972000000; // The remaining amount of forged coins during CVE-2018-17144 attacks, after subtracting locked coins and burnt Coins sent to unrecoverable address https://explorer.firo.org/tx/0b53178c1b22bae4c04ef943ee6d6d30f2483327fe9beb54952951592e8ce368

Comment on lines +1585 to +1587
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Clarify the hardcoded values in the gettotalsupply function.

The function now includes hardcoded values to adjust for historical discrepancies due to attacks. It's crucial to document the source and calculation method of these values for future reference and auditability.

UniValue result(UniValue::VOBJ);
result.push_back(Pair("total", total));

return result;
}

UniValue getzerocoinpoolbalance(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() != 0)
throw std::runtime_error(
"getzerocoinpoolbalance\n"
"\nReturns the total coin amount, which remains after zerocoin pool closed.\n"
"\nArguments: none\n"
"\nResult:\n"
"{\n"
" \"total\" (string) The total balance\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("getzerocoinpoolbalance", "")
+ HelpExampleRpc("getzerocoinpoolbalance", "")
);

CAmount nTotalAmount = 0;

// Iterate over all mints
std::vector<std::pair<CAddressIndexKey, CAmount> > addressIndex;
if (GetAddressIndex(uint160(), AddressType::zerocoinMint, addressIndex)) {
for (std::vector<std::pair<CAddressIndexKey, CAmount> >::const_iterator it=addressIndex.begin(); it!=addressIndex.end(); it++) {
nTotalAmount += it->second;
}
}
addressIndex.clear();

// Iterate over all spends
if (GetAddressIndex(uint160(), AddressType::zerocoinSpend, addressIndex)) {
for (std::vector < std::pair < CAddressIndexKey, CAmount > > ::const_iterator it = addressIndex.begin();
it != addressIndex.end(); it++) {
nTotalAmount += it->second;
}
}

return UniValue(nTotalAmount);
}
Comment on lines +1594 to +1630
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Tip

Codebase Verification

The GetAddressIndex function includes basic error handling to check if the address index is enabled and to handle read failures. However, the getzerocoinpoolbalance function does not include error handling for cases where GetAddressIndex might fail.

Consider adding error handling for GetAddressIndex calls in getzerocoinpoolbalance.

  • File: src/rpc/misc.cpp
  • Lines: 1594-1630
Analysis chain

Review the implementation of getzerocoinpoolbalance.

This function calculates the remaining balance of the Zerocoin pool. It's important to ensure that the address index data used for calculations is accurate and up-to-date. Additionally, consider adding error handling for cases where GetAddressIndex might fail.

Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify that GetAddressIndex is retrieving accurate data.

# Test: Check if GetAddressIndex returns expected results. Expect: Valid and accurate data.
rg --type cpp "GetAddressIndex" src/

Length of output: 972

Script:

#!/bin/bash
# Retrieve the implementation of GetAddressIndex from src/validation.cpp and src/validation.h
ast-grep --lang cpp --pattern 'bool GetAddressIndex($_, $_, $_)'

Length of output: 66

Script:

#!/bin/bash
# Use rg to find the exact location of GetAddressIndex in src/validation.cpp
rg --type cpp "GetAddressIndex" src/validation.cpp

# Display the implementation of GetAddressIndex from src/validation.cpp
rg --type cpp -A 20 "bool GetAddressIndex" src/validation.cpp

Length of output: 966


UniValue getinfoex(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() != 0)
Expand Down Expand Up @@ -1713,7 +1754,7 @@ static const CRPCCommand commands[] =
/* Not shown in help */
{ "hidden", "getinfoex", &getinfoex, false },
{ "addressindex", "gettotalsupply", &gettotalsupply, false },

{ "addressindex", "getzerocoinpoolbalance", &getzerocoinpoolbalance, false },
/* Mobile related */
{ "mobile", "getanonymityset", &getanonymityset, false },
{ "mobile", "getmintmetadata", &getmintmetadata, true },
Expand Down
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