tweaks to lifeline

chain/claim_tx.go

@@ -63,13 +63,13 @@ func (c *ClaimTx) Execute(t *TransactionContext) error {
 	return nil
 }
 
-// [spaceUnits] requires the caller to pay more to get spaces of
+// [spaceNameUnits] requires the caller to pay more to get spaces of
 // a shorter length because they are more desirable. This creates a "lottery"
 // mechanism where the people that spend the most mining power will win the
 // space.
 //
-// [spaceUnits] should only be called on a space that is valid
-func spaceUnits(g *Genesis, s string) uint64 {
+// [spaceNameUnits] should only be called on a space that is valid
+func spaceNameUnits(g *Genesis, s string) uint64 {
 	desirability := uint64(parser.MaxIdentifierSize - len(s))
 	if uint64(len(s)) > g.ClaimTier2Size {
 		return desirability * g.ClaimTier3Multiplier
@@ -81,7 +81,7 @@ func spaceUnits(g *Genesis, s string) uint64 {
 }
 
 func (c *ClaimTx) FeeUnits(g *Genesis) uint64 {
-	return c.LoadUnits(g) + spaceUnits(g, c.Space)
+	return c.LoadUnits(g) + spaceNameUnits(g, c.Space)
 }
 
 func (c *ClaimTx) LoadUnits(g *Genesis) uint64 {

chain/genesis.go

@@ -51,7 +51,7 @@ type Genesis struct {
 	ClaimTier1Multiplier uint64 `serialize:"true" json:"claimTier1Multiplier"`
 
 	// Lifeline Params
-	PrefixRenewalDiscount uint64 `serialize:"true" json:"prefixRenewalDiscount"`
+	SpaceRenewalDiscount uint64 `serialize:"true" json:"prefixRenewalDiscount"`
 
 	// Reward Params
 	ClaimReward        uint64 `serialize:"true" json:"claimReward"`
@@ -91,11 +91,10 @@ func DefaultGenesis() *Genesis {
 		ClaimTier1Multiplier: 25,
 
 		// Lifeline Params
-		PrefixRenewalDiscount: 5,
+		SpaceRenewalDiscount: 10,
 
 		// Reward Params
-		ClaimReward:        60 * 60 * 24 * 15, // 15 Days
-		LifelineUnitReward: 60 * 60,           // 1 Hours Per Fee Unit
+		ClaimReward: 60 * 60 * 24 * 30, // 30 Days
 
 		// Lottery Reward (80% of tx.FeeUnits() * block.Price)
 		LotteryRewardMultipler: 80,
@@ -105,7 +104,7 @@ func DefaultGenesis() *Genesis {
 		BlockTarget:    1,         // 1 Block per Second
 		LookbackTarget: 1500 * 60, // 1500 Units Per Block (~768KB of SetTx)
 		MaxBlockSize:   2000,      // 2000 Units (~1MB)
-		MinPrice:       1,         // (50 for easiest claim)
+		MinPrice:       1,
 	}
 }
 

chain/lifeline_tx.go

@@ -43,20 +43,21 @@ func (l *LifelineTx) Execute(t *TransactionContext) error {
 	}
 	// Lifeline spread across all units
 	lastExpiry := i.Expiry
-	i.Expiry += g.LifelineUnitReward * l.Units / i.Units
+	adjUnits := l.Units + 1
+	i.Expiry += (g.ClaimReward * adjUnits) / i.Units
 	return PutSpaceInfo(t.Database, []byte(l.Space), i, lastExpiry)
 }
 
 func (l *LifelineTx) FeeUnits(g *Genesis) uint64 {
 	// FeeUnits are discounted so that, all else equal, it is easier for an owner
 	// to retain their space than for another to claim it.
-	discountedPrefixUnits := spaceUnits(g, l.Space) / g.PrefixRenewalDiscount
+	dSpaceNameUnits := spaceNameUnits(g, l.Space) / g.SpaceRenewalDiscount
 
 	// The more desirable the space, the more it costs to maintain it.
 	//
 	// Note, this heavy base cost incentivizes users to send fewer transactions
 	// to extend their space's life instead of many small ones.
-	return l.LoadUnits(g) + discountedPrefixUnits + l.Units
+	return l.LoadUnits(g) + dSpaceNameUnits*l.Units
 }
 
 func (l *LifelineTx) Copy() UnsignedTransaction {