@ -4,7 +4,7 @@ import (
"fmt"
"log"
"math/big"
"os"
"strconv"
"strings"
"time"
@ -27,18 +27,19 @@ type UnlockerConfig struct {
Interval string ` json:"interval" `
Daemon string ` json:"daemon" `
Timeout string ` json:"timeout" `
Ecip1017FBlock int64 ` json:"ecip1017FBlock" `
Ecip1017EraRounds * big . Int ` json:"ecip1017EraRounds" `
Classic bool ` json:"classic" `
}
const minDepth = 16
const byzantiumHardForkHeight = 4370000
var disinflationRateQuotient = big . NewInt ( 4 ) // Disinflation rate quotient for ECIP1017
var disinflationRateDivisor = big . NewInt ( 5 ) // Disinflation rate divisor for ECIP1017
var big32 = big . NewInt ( 32 )
var big8 = big . NewInt ( 8 )
var homesteadReward = math . MustParseBig256 ( "5000000000000000000" )
var byzantiumReward = math . MustParseBig256 ( "3200000000000000000" )
var classicReward = math . MustParseBig256 ( "3200000000000000000" )
var homesteadReward = math . MustParseBig256 ( "3200000000000000000" )
// Donate 10% from pool fees to developers
const donationFee = 10
const donationAccount = "0xd92fa5a9732a0aec36dc8d5a6a1305dc2d3e09e6"
type BlockUnlocker struct {
config * UnlockerConfig
@ -48,17 +49,7 @@ type BlockUnlocker struct {
lastFail error
}
func NewBlockUnlocker ( cfg * UnlockerConfig , backend * storage . RedisClient , network * string ) * BlockUnlocker {
if * network == "classic" {
cfg . Ecip1017FBlock = 5000000
cfg . Ecip1017EraRounds = big . NewInt ( 5000000 )
} else if * network == "mordor" {
cfg . Ecip1017FBlock = 0
cfg . Ecip1017EraRounds = big . NewInt ( 2000000 )
} else {
log . Fatalln ( "Invalid network set" , network )
}
func NewBlockUnlocker ( cfg * UnlockerConfig , backend * storage . RedisClient ) * BlockUnlocker {
if len ( cfg . PoolFeeAddress ) != 0 && ! util . IsValidHexAddress ( cfg . PoolFeeAddress ) {
log . Fatalln ( "Invalid poolFeeAddress" , cfg . PoolFeeAddress )
}
@ -121,11 +112,6 @@ func (u *BlockUnlocker) unlockCandidates(candidates []*storage.BlockData) (*Unlo
/ * Search for a normal block with wrong height here by traversing 16 blocks back and forward .
* Also we are searching for a block that can include this one as uncle .
* /
if candidate . Height < minDepth {
orphan = false
// avoid scanning the first 16 blocks
continue
}
for i := int64 ( minDepth * - 1 ) ; i < minDepth ; i ++ {
height := candidate . Height + i
@ -134,7 +120,6 @@ func (u *BlockUnlocker) unlockCandidates(candidates []*storage.BlockData) (*Unlo
}
block , err := u . rpc . GetBlockByHeight ( height )
if err != nil {
log . Printf ( "Error while retrieving block %v from node: %v" , height , err )
return nil , err
@ -177,7 +162,7 @@ func (u *BlockUnlocker) unlockCandidates(candidates []*storage.BlockData) (*Unlo
orphan = false
result . uncles ++
err := handleUncle ( height , uncle , candidate , u . config )
err := handleUncle ( height , uncle , candidate , u . config . Classic )
if err != nil {
u . halt = true
u . lastFail = err
@ -227,13 +212,7 @@ func (u *BlockUnlocker) handleBlock(block *rpc.GetBlockReply, candidate *storage
return err
}
candidate . Height = correctHeight
era := GetBlockEra ( big . NewInt ( candidate . Height ) , u . config . Ecip1017EraRounds )
reward := getConstReward ( era )
// Add reward for including uncles
uncleReward := getRewardForUncle ( reward )
rewardForUncles := big . NewInt ( 0 ) . Mul ( uncleReward , big . NewInt ( int64 ( len ( block . Uncles ) ) ) )
reward . Add ( reward , rewardForUncles )
reward := getConstReward ( candidate . Height , u . config . Classic )
// Add TX fees
extraTxReward , err := u . getExtraRewardForTx ( block )
@ -246,19 +225,23 @@ func (u *BlockUnlocker) handleBlock(block *rpc.GetBlockReply, candidate *storage
reward . Add ( reward , extraTxReward )
}
// Add reward for including uncles
uncleReward := getRewardForUncle ( candidate . Height , u . config . Classic )
rewardForUncles := big . NewInt ( 0 ) . Mul ( uncleReward , big . NewInt ( int64 ( len ( block . Uncles ) ) ) )
reward . Add ( reward , rewardForUncles )
candidate . Orphan = false
candidate . Hash = block . Hash
candidate . Reward = reward
return nil
}
func handleUncle ( height int64 , uncle * rpc . GetBlockReply , candidate * storage . BlockData , cfg * UnlockerConfig ) error {
func handleUncle ( height int64 , uncle * rpc . GetBlockReply , candidate * storage . BlockData , isClassic bool ) error {
uncleHeight , err := strconv . ParseInt ( strings . Replace ( uncle . Number , "0x" , "" , - 1 ) , 16 , 64 )
if err != nil {
return err
}
era := GetBlockEra ( big . NewInt ( height ) , cfg . Ecip1017EraRounds )
reward := getUncleReward ( new ( big . Int ) . SetInt64 ( uncleHeight ) , new ( big . Int ) . SetInt64 ( height ) , era , getConstReward ( era ) )
reward := getUncleReward ( uncleHeight , height , isClassic )
candidate . Height = height
candidate . UncleHeight = uncleHeight
candidate . Orphan = false
@ -270,6 +253,7 @@ func handleUncle(height int64, uncle *rpc.GetBlockReply, candidate *storage.Bloc
func ( u * BlockUnlocker ) unlockPendingBlocks ( ) {
if u . halt {
log . Println ( "Unlocking suspended due to last critical error:" , u . lastFail )
os . Exit ( 1 )
return
}
@ -325,7 +309,7 @@ func (u *BlockUnlocker) unlockPendingBlocks() {
totalPoolProfit := new ( big . Rat )
for _ , block := range result . maturedBlocks {
revenue , minersProfit , poolProfit , roundRewards , err := u . calculateRewards ( block )
revenue , minersProfit , poolProfit , roundRewards , percents , err := u . calculateRewards ( block )
if err != nil {
u . halt = true
u . lastFail = err
@ -353,6 +337,11 @@ func (u *BlockUnlocker) unlockPendingBlocks() {
entries := [ ] string { logEntry }
for login , reward := range roundRewards {
entries = append ( entries , fmt . Sprintf ( "\tREWARD %v: %v: %v Shannon" , block . RoundKey ( ) , login , reward ) )
per := new ( big . Rat )
if val , ok := percents [ login ] ; ok {
per = val
}
u . backend . WriteReward ( login , reward , per , true , block )
}
log . Println ( strings . Join ( entries , "\n" ) )
}
@ -424,7 +413,7 @@ func (u *BlockUnlocker) unlockAndCreditMiners() {
totalPoolProfit := new ( big . Rat )
for _ , block := range result . maturedBlocks {
revenue , minersProfit , poolProfit , roundRewards , err := u . calculateRewards ( block )
revenue , minersProfit , poolProfit , roundRewards , percents , err := u . calculateRewards ( block )
if err != nil {
u . halt = true
u . lastFail = err
@ -452,6 +441,11 @@ func (u *BlockUnlocker) unlockAndCreditMiners() {
entries := [ ] string { logEntry }
for login , reward := range roundRewards {
entries = append ( entries , fmt . Sprintf ( "\tREWARD %v: %v: %v Shannon" , block . RoundKey ( ) , login , reward ) )
per := new ( big . Rat )
if val , ok := percents [ login ] ; ok {
per = val
}
u . backend . WriteReward ( login , reward , per , false , block )
}
log . Println ( strings . Join ( entries , "\n" ) )
}
@ -464,16 +458,21 @@ func (u *BlockUnlocker) unlockAndCreditMiners() {
)
}
func ( u * BlockUnlocker ) calculateRewards ( block * storage . BlockData ) ( * big . Rat , * big . Rat , * big . Rat , map [ string ] int64 , error ) {
func ( u * BlockUnlocker ) calculateRewards ( block * storage . BlockData ) ( * big . Rat , * big . Rat , * big . Rat , map [ string ] int64 , map [ string ] * big . Rat , error ) {
revenue := new ( big . Rat ) . SetInt ( block . Reward )
minersProfit , poolProfit := chargeFee ( revenue , u . config . PoolFee )
shares , err := u . backend . GetRoundShares ( block . RoundHeight , block . Nonce )
if err != nil {
return nil , nil , nil , nil , err
return nil , nil , nil , nil , nil , err
}
rewards := calculateRewardsForShares ( shares , block . TotalShares , minersProfit )
totalShares := int64 ( 0 )
for _ , val := range shares {
totalShares += val
}
rewards , percents := calculateRewardsForShares ( shares , totalShares , minersProfit )
if block . ExtraReward != nil {
extraReward := new ( big . Rat ) . SetInt ( block . ExtraReward )
@ -481,23 +480,31 @@ func (u *BlockUnlocker) calculateRewards(block *storage.BlockData) (*big.Rat, *b
revenue . Add ( revenue , extraReward )
}
if u . config . Donate {
var donation = new ( big . Rat )
poolProfit , donation = chargeFee ( poolProfit , donationFee )
login := strings . ToLower ( donationAccount )
rewards [ login ] += weiToShannonInt64 ( donation )
}
if len ( u . config . PoolFeeAddress ) != 0 {
address := strings . ToLower ( u . config . PoolFeeAddress )
rewards [ address ] += weiToShannonInt64 ( poolProfit )
}
return revenue , minersProfit , poolProfit , rewards , nil
return revenue , minersProfit , poolProfit , rewards , percents , nil
}
func calculateRewardsForShares ( shares map [ string ] int64 , total int64 , reward * big . Rat ) map [ string ] int64 {
func calculateRewardsForShares ( shares map [ string ] int64 , total int64 , reward * big . Rat ) ( map [ string ] int64 , map [ string ] * big . Rat ) {
rewards := make ( map [ string ] int64 )
percents := make ( map [ string ] * big . Rat )
for login , n := range shares {
percent : = big . NewRat ( n , total )
workerReward := new ( big . Rat ) . Mul ( reward , percent )
percents [ login ] = big . NewRat ( n , total )
workerReward := new ( big . Rat ) . Mul ( reward , percents [ login ] )
rewards [ login ] += weiToShannonInt64 ( workerReward )
}
return rewards
return rewards , percents
}
// Returns new value after fee deduction and fee value.
@ -514,67 +521,35 @@ func weiToShannonInt64(wei *big.Rat) int64 {
return value
}
// GetRewardByEra gets a block reward at disinflation rate.
// Constants MaxBlockReward, DisinflationRateQuotient, and DisinflationRateDivisor assumed.
func GetBlockWinnerRewardByEra ( era * big . Int , blockReward * big . Int ) * big . Int {
if era . Cmp ( big . NewInt ( 0 ) ) == 0 {
return new ( big . Int ) . Set ( blockReward )
func getConstReward ( height int64 , isClassic bool ) * big . Int {
if ! isClassic {
if height >= byzantiumHardForkHeight {
return new ( big . Int ) . Set ( byzantiumReward )
}
// MaxBlockReward _r_ * (4/5)**era == MaxBlockReward * (4**era) / (5**era)
// since (q/d)**n == q**n / d**n
// qed
var q , d , r * big . Int = new ( big . Int ) , new ( big . Int ) , new ( big . Int )
q . Exp ( disinflationRateQuotient , era , nil )
d . Exp ( disinflationRateDivisor , era , nil )
r . Mul ( blockReward , q )
r . Div ( r , d )
return r
}
// GetBlockEra gets which "Era" a given block is within, given an era length (ecip-1017 has era=5,000,000 blocks)
// Returns a zero-index era number, so "Era 1": 0, "Era 2": 1, "Era 3": 2 ...
func GetBlockEra ( blockNum , eraLength * big . Int ) * big . Int {
// If genesis block or impossible negative-numbered block, return zero-val.
if blockNum . Sign ( ) < 1 {
return new ( big . Int )
return new ( big . Int ) . Set ( homesteadReward )
} else {
return new ( big . Int ) . Set ( classicReward )
}
remainder := big . NewInt ( 0 ) . Mod ( big . NewInt ( 0 ) . Sub ( blockNum , big . NewInt ( 1 ) ) , eraLength )
base := big . NewInt ( 0 ) . Sub ( blockNum , remainder )
d := big . NewInt ( 0 ) . Div ( base , eraLength )
dremainder := big . NewInt ( 0 ) . Mod ( d , big . NewInt ( 1 ) )
return new ( big . Int ) . Sub ( d , dremainder )
}
func getConstReward ( era * big . Int ) * big . Int {
var blockReward = homesteadReward
wr := GetBlockWinnerRewardByEra ( era , blockReward )
return wr
func getRewardForUncle ( height int64 , isClassic bool ) * big . Int {
reward := getConstReward ( height , isClassic )
return new ( big . Int ) . Div ( reward , new ( big . Int ) . SetInt64 ( 32 ) )
}
func getRewardForUncle ( blockReward * big . Int ) * big . Int {
return new ( big . Int ) . Div ( blockReward , big32 ) //return new(big.Int).Div(reward, new(big.Int).SetInt64(32))
}
func getUncleReward ( uHeight * big . Int , height * big . Int , era * big . Int , reward * big . Int ) * big . Int {
// Era 1 (index 0):
// An extra reward to the winning miner for including uncles as part of the block, in the form of an extra 1/32 (0.15625ETC) per uncle included, up to a maximum of two (2) uncles.
if era . Cmp ( big . NewInt ( 0 ) ) == 0 {
r := new ( big . Int )
r . Add ( uHeight , big8 ) // 2,534,998 + 8 = 2,535,006
r . Sub ( r , height ) // 2,535,006 - 2,534,999 = 7
r . Mul ( r , reward ) // 7 * 5e+18 = 35e+18
r . Div ( r , big8 ) // 35e+18 / 8 = 7/8 * 5e+18
return r
func getUncleReward ( uHeight , height int64 , isClassic bool ) * big . Int {
if ! isClassic {
reward := getConstReward ( height , isClassic )
k := height - uHeight
reward . Mul ( big . NewInt ( 8 - k ) , reward )
reward . Div ( reward , big . NewInt ( 8 ) )
return reward
} else {
reward := getConstReward ( height , isClassic )
reward . Mul ( reward , big . NewInt ( 3125 ) )
reward . Div ( reward , big . NewInt ( 100000 ) )
return reward
}
return getRewardForUncle ( reward )
}
func ( u * BlockUnlocker ) getExtraRewardForTx ( block * rpc . GetBlockReply ) ( * big . Int , error ) {
yuriy0803
5 years ago