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rpc: disallow in-mempool prioritisation of dusty tx

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This commit is contained in:
Greg Sanders 2024-10-01 10:28:28 -04:00
parent e1d3e81ab4
commit 4e68f90139
1 changed files with 10 additions and 1 deletions
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11
src/rpc/mining.cpp
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@ -23,6 +23,7 @@
#include <node/context.h>
#include <node/miner.h>
#include <node/warnings.h>
#include <policy/ephemeral_policy.h>
#include <pow.h>
#include <rpc/blockchain.h>
#include <rpc/mining.h>
@ -491,7 +492,15 @@ static RPCHelpMan prioritisetransaction()
throw JSONRPCError(RPC_INVALID_PARAMETER, "Priority is no longer supported, dummy argument to prioritisetransaction must be 0.");
}
EnsureAnyMemPool(request.context).PrioritiseTransaction(hash, nAmount);
CTxMemPool& mempool = EnsureAnyMemPool(request.context);
// Non-0 fee dust transactions are not allowed for entry, and modification not allowed afterwards
const auto& tx = mempool.get(hash);
if (tx && HasDust(tx, mempool.m_opts.dust_relay_feerate)) {
throw JSONRPCError(RPC_INVALID_PARAMETER, "Priority is not supported for transactions with dust outputs.");
}
mempool.PrioritiseTransaction(hash, nAmount);
return true;
},
};