[cleanup] Remove coin age priority completely.

Remove GetPriority and ComputePriority.  Remove internal machinery for tracking priority in CTxMemPoolEntry.

2 files changed, 0 insertions, 32 deletions

diff --git a/src/primitives/transaction.cpp b/src/primitives/transaction.cpp
index 790bc71d14..364a70adcd 100644
--- a/src/primitives/transaction.cpp
+++ b/src/primitives/transaction.cpp
@@ -89,32 +89,6 @@ CAmount CTransaction::GetValueOut() const
     return nValueOut;
 }
 
-double CTransaction::ComputePriority(double dPriorityInputs, unsigned int nTxSize) const
-{
-    nTxSize = CalculateModifiedSize(nTxSize);
-    if (nTxSize == 0) return 0.0;
-
-    return dPriorityInputs / nTxSize;
-}
-
-unsigned int CTransaction::CalculateModifiedSize(unsigned int nTxSize) const
-{
-    // In order to avoid disincentivizing cleaning up the UTXO set we don't count
-    // the constant overhead for each txin and up to 110 bytes of scriptSig (which
-    // is enough to cover a compressed pubkey p2sh redemption) for priority.
-    // Providing any more cleanup incentive than making additional inputs free would
-    // risk encouraging people to create junk outputs to redeem later.
-    if (nTxSize == 0)
-        nTxSize = (GetTransactionWeight(*this) + WITNESS_SCALE_FACTOR - 1) / WITNESS_SCALE_FACTOR;
-    for (std::vector<CTxIn>::const_iterator it(vin.begin()); it != vin.end(); ++it)
-    {
-        unsigned int offset = 41U + std::min(110U, (unsigned int)it->scriptSig.size());
-        if (nTxSize > offset)
-            nTxSize -= offset;
-    }
-    return nTxSize;
-}
-
 unsigned int CTransaction::GetTotalSize() const
 {
     return ::GetSerializeSize(*this, SER_NETWORK, PROTOCOL_VERSION);
diff --git a/src/primitives/transaction.h b/src/primitives/transaction.h
index af2986a41b..d413e8b087 100644
--- a/src/primitives/transaction.h
+++ b/src/primitives/transaction.h
@@ -361,12 +361,6 @@ public:
     // GetValueIn() is a method on CCoinsViewCache, because
     // inputs must be known to compute value in.
 
-    // Compute priority, given priority of inputs and (optionally) tx size
-    double ComputePriority(double dPriorityInputs, unsigned int nTxSize=0) const;
-
-    // Compute modified tx size for priority calculation (optionally given tx size)
-    unsigned int CalculateModifiedSize(unsigned int nTxSize=0) const;
-
     /**
      * Get the total transaction size in bytes, including witness data.
      * "Total Size" defined in BIP141 and BIP144.