From 1b98cbbfa4f587107fa15fccde7d22102ea4b1c0 Mon Sep 17 00:00:00 2001 From: obscuren Date: Wed, 10 Dec 2014 16:45:16 +0100 Subject: Moved pow --- pow/block.go | 9 ++++++ pow/ezp/pow.go | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ pow/pow.go | 8 ++++++ 3 files changed, 106 insertions(+) create mode 100644 pow/block.go create mode 100644 pow/ezp/pow.go create mode 100644 pow/pow.go (limited to 'pow') diff --git a/pow/block.go b/pow/block.go new file mode 100644 index 000000000..4759e19fb --- /dev/null +++ b/pow/block.go @@ -0,0 +1,9 @@ +package pow + +import "math/big" + +type Block interface { + Diff() *big.Int + HashNoNonce() []byte + N() []byte +} diff --git a/pow/ezp/pow.go b/pow/ezp/pow.go new file mode 100644 index 000000000..cdf89950f --- /dev/null +++ b/pow/ezp/pow.go @@ -0,0 +1,89 @@ +package ezp + +import ( + "math/big" + "math/rand" + "time" + + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/ethutil" + "github.com/ethereum/go-ethereum/logger" + "github.com/ethereum/go-ethereum/pow" + "github.com/obscuren/sha3" +) + +var powlogger = logger.NewLogger("POW") + +type EasyPow struct { + hash *big.Int + HashRate int64 + turbo bool +} + +func New() *EasyPow { + return &EasyPow{} +} + +func (pow *EasyPow) GetHashrate() int64 { + return pow.HashRate +} + +func (pow *EasyPow) Turbo(on bool) { + pow.turbo = on +} + +func (pow *EasyPow) Search(block pow.Block, stop <-chan struct{}) []byte { + r := rand.New(rand.NewSource(time.Now().UnixNano())) + hash := block.HashNoNonce() + diff := block.Diff() + i := int64(0) + start := time.Now().UnixNano() + t := time.Now() + + for { + select { + case <-stop: + powlogger.Infoln("Breaking from mining") + pow.HashRate = 0 + return nil + default: + i++ + + if time.Since(t) > (1 * time.Second) { + elapsed := time.Now().UnixNano() - start + hashes := ((float64(1e9) / float64(elapsed)) * float64(i)) / 1000 + pow.HashRate = int64(hashes) + powlogger.Infoln("Hashing @", pow.HashRate, "khash") + + t = time.Now() + } + + sha := crypto.Sha3(big.NewInt(r.Int63()).Bytes()) + if pow.verify(hash, diff, sha) { + return sha + } + } + + if !pow.turbo { + time.Sleep(20 * time.Microsecond) + } + } + + return nil +} + +func (pow *EasyPow) verify(hash []byte, diff *big.Int, nonce []byte) bool { + sha := sha3.NewKeccak256() + + d := append(hash, nonce...) + sha.Write(d) + + verification := new(big.Int).Div(ethutil.BigPow(2, 256), diff) + res := ethutil.U256(ethutil.BigD(sha.Sum(nil))) + + return res.Cmp(verification) <= 0 +} + +func (pow *EasyPow) Verify(block pow.Block) bool { + return pow.verify(block.HashNoNonce(), block.Diff(), block.N()) +} diff --git a/pow/pow.go b/pow/pow.go new file mode 100644 index 000000000..c94ee40ba --- /dev/null +++ b/pow/pow.go @@ -0,0 +1,8 @@ +package pow + +type PoW interface { + Search(block Block, stop <-chan struct{}) []byte + Verify(block Block) bool + GetHashrate() int64 + Turbo(bool) +} -- cgit v1.2.3 From f111fc060884d69fbe46066b9ccae4c9aa5da890 Mon Sep 17 00:00:00 2001 From: obscuren Date: Mon, 15 Dec 2014 11:37:23 +0100 Subject: WIP --- pow/ezp/pow.go | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'pow') diff --git a/pow/ezp/pow.go b/pow/ezp/pow.go index cdf89950f..b4f863cb6 100644 --- a/pow/ezp/pow.go +++ b/pow/ezp/pow.go @@ -59,7 +59,7 @@ func (pow *EasyPow) Search(block pow.Block, stop <-chan struct{}) []byte { } sha := crypto.Sha3(big.NewInt(r.Int63()).Bytes()) - if pow.verify(hash, diff, sha) { + if verify(hash, diff, sha) { return sha } } @@ -72,7 +72,11 @@ func (pow *EasyPow) Search(block pow.Block, stop <-chan struct{}) []byte { return nil } -func (pow *EasyPow) verify(hash []byte, diff *big.Int, nonce []byte) bool { +func (pow *EasyPow) Verify(block pow.Block) bool { + return Verify(block) +} + +func verify(hash []byte, diff *big.Int, nonce []byte) bool { sha := sha3.NewKeccak256() d := append(hash, nonce...) @@ -84,6 +88,6 @@ func (pow *EasyPow) verify(hash []byte, diff *big.Int, nonce []byte) bool { return res.Cmp(verification) <= 0 } -func (pow *EasyPow) Verify(block pow.Block) bool { - return pow.verify(block.HashNoNonce(), block.Diff(), block.N()) +func Verify(block pow.Block) bool { + return verify(block.HashNoNonce(), block.Diff(), block.N()) } -- cgit v1.2.3 From 49e0267fe76cfd13eaf3e5e26caa637b93dbdd29 Mon Sep 17 00:00:00 2001 From: obscuren Date: Thu, 18 Dec 2014 13:12:54 +0100 Subject: Locks, refactor, tests * Added additional chain tests * Added proper mutex' on chain * Removed ethereum dependencies --- pow/ezp/pow.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'pow') diff --git a/pow/ezp/pow.go b/pow/ezp/pow.go index cdf89950f..bfe3ea098 100644 --- a/pow/ezp/pow.go +++ b/pow/ezp/pow.go @@ -21,7 +21,7 @@ type EasyPow struct { } func New() *EasyPow { - return &EasyPow{} + return &EasyPow{turbo: true} } func (pow *EasyPow) GetHashrate() int64 { -- cgit v1.2.3 From 4cd79d8ddd7608d60344b13fe4bda7315429d1d9 Mon Sep 17 00:00:00 2001 From: obscuren Date: Tue, 23 Dec 2014 13:48:44 +0100 Subject: Refactored block & Transaction * Includes new rlp decoder --- pow/block.go | 2 +- pow/ezp/pow.go | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) (limited to 'pow') diff --git a/pow/block.go b/pow/block.go index 4759e19fb..62df2b5ff 100644 --- a/pow/block.go +++ b/pow/block.go @@ -3,7 +3,7 @@ package pow import "math/big" type Block interface { - Diff() *big.Int + Difficulty() *big.Int HashNoNonce() []byte N() []byte } diff --git a/pow/ezp/pow.go b/pow/ezp/pow.go index f669f8aa4..f9f27326f 100644 --- a/pow/ezp/pow.go +++ b/pow/ezp/pow.go @@ -35,7 +35,7 @@ func (pow *EasyPow) Turbo(on bool) { func (pow *EasyPow) Search(block pow.Block, stop <-chan struct{}) []byte { r := rand.New(rand.NewSource(time.Now().UnixNano())) hash := block.HashNoNonce() - diff := block.Diff() + diff := block.Difficulty() i := int64(0) start := time.Now().UnixNano() t := time.Now() @@ -89,5 +89,5 @@ func verify(hash []byte, diff *big.Int, nonce []byte) bool { } func Verify(block pow.Block) bool { - return verify(block.HashNoNonce(), block.Diff(), block.N()) + return verify(block.HashNoNonce(), block.Difficulty(), block.N()) } -- cgit v1.2.3 From 09841b1c9b2553a4572590128580df37c8fa83ad Mon Sep 17 00:00:00 2001 From: obscuren Date: Sun, 4 Jan 2015 14:20:16 +0100 Subject: Cleaned up some of that util --- pow/dagger/dagger.go | 160 ++++++++++++++++++++++++++++++++++++++++++++++ pow/dagger/dagger_test.go | 19 ++++++ 2 files changed, 179 insertions(+) create mode 100644 pow/dagger/dagger.go create mode 100644 pow/dagger/dagger_test.go (limited to 'pow') diff --git a/pow/dagger/dagger.go b/pow/dagger/dagger.go new file mode 100644 index 000000000..9ac000443 --- /dev/null +++ b/pow/dagger/dagger.go @@ -0,0 +1,160 @@ +package dagger + +import ( + "hash" + "math/big" + "math/rand" + "time" + + "github.com/ethereum/go-ethereum/ethutil" + "github.com/ethereum/go-ethereum/logger" + "github.com/obscuren/sha3" +) + +var powlogger = logger.NewLogger("POW") + +type Dagger struct { + hash *big.Int + xn *big.Int +} + +var Found bool + +func (dag *Dagger) Find(obj *big.Int, resChan chan int64) { + r := rand.New(rand.NewSource(time.Now().UnixNano())) + + for i := 0; i < 1000; i++ { + rnd := r.Int63() + + res := dag.Eval(big.NewInt(rnd)) + powlogger.Infof("rnd %v\nres %v\nobj %v\n", rnd, res, obj) + if res.Cmp(obj) < 0 { + // Post back result on the channel + resChan <- rnd + // Notify other threads we've found a valid nonce + Found = true + } + + // Break out if found + if Found { + break + } + } + + resChan <- 0 +} + +func (dag *Dagger) Search(hash, diff *big.Int) *big.Int { + // TODO fix multi threading. Somehow it results in the wrong nonce + amountOfRoutines := 1 + + dag.hash = hash + + obj := ethutil.BigPow(2, 256) + obj = obj.Div(obj, diff) + + Found = false + resChan := make(chan int64, 3) + var res int64 + + for k := 0; k < amountOfRoutines; k++ { + go dag.Find(obj, resChan) + + // Wait for each go routine to finish + } + for k := 0; k < amountOfRoutines; k++ { + // Get the result from the channel. 0 = quit + if r := <-resChan; r != 0 { + res = r + } + } + + return big.NewInt(res) +} + +func (dag *Dagger) Verify(hash, diff, nonce *big.Int) bool { + dag.hash = hash + + obj := ethutil.BigPow(2, 256) + obj = obj.Div(obj, diff) + + return dag.Eval(nonce).Cmp(obj) < 0 +} + +func DaggerVerify(hash, diff, nonce *big.Int) bool { + dagger := &Dagger{} + dagger.hash = hash + + obj := ethutil.BigPow(2, 256) + obj = obj.Div(obj, diff) + + return dagger.Eval(nonce).Cmp(obj) < 0 +} + +func (dag *Dagger) Node(L uint64, i uint64) *big.Int { + if L == i { + return dag.hash + } + + var m *big.Int + if L == 9 { + m = big.NewInt(16) + } else { + m = big.NewInt(3) + } + + sha := sha3.NewKeccak256() + sha.Reset() + d := sha3.NewKeccak256() + b := new(big.Int) + ret := new(big.Int) + + for k := 0; k < int(m.Uint64()); k++ { + d.Reset() + d.Write(dag.hash.Bytes()) + d.Write(dag.xn.Bytes()) + d.Write(big.NewInt(int64(L)).Bytes()) + d.Write(big.NewInt(int64(i)).Bytes()) + d.Write(big.NewInt(int64(k)).Bytes()) + + b.SetBytes(Sum(d)) + pk := b.Uint64() & ((1 << ((L - 1) * 3)) - 1) + sha.Write(dag.Node(L-1, pk).Bytes()) + } + + ret.SetBytes(Sum(sha)) + + return ret +} + +func Sum(sha hash.Hash) []byte { + //in := make([]byte, 32) + return sha.Sum(nil) +} + +func (dag *Dagger) Eval(N *big.Int) *big.Int { + pow := ethutil.BigPow(2, 26) + dag.xn = pow.Div(N, pow) + + sha := sha3.NewKeccak256() + sha.Reset() + ret := new(big.Int) + + for k := 0; k < 4; k++ { + d := sha3.NewKeccak256() + b := new(big.Int) + + d.Reset() + d.Write(dag.hash.Bytes()) + d.Write(dag.xn.Bytes()) + d.Write(N.Bytes()) + d.Write(big.NewInt(int64(k)).Bytes()) + + b.SetBytes(Sum(d)) + pk := (b.Uint64() & 0x1ffffff) + + sha.Write(dag.Node(9, pk).Bytes()) + } + + return ret.SetBytes(Sum(sha)) +} diff --git a/pow/dagger/dagger_test.go b/pow/dagger/dagger_test.go new file mode 100644 index 000000000..f3a71d1eb --- /dev/null +++ b/pow/dagger/dagger_test.go @@ -0,0 +1,19 @@ +package dagger + +import ( + "math/big" + "testing" + + "github.com/ethereum/go-ethereum/ethutil" +) + +func BenchmarkDaggerSearch(b *testing.B) { + hash := big.NewInt(0) + diff := ethutil.BigPow(2, 36) + o := big.NewInt(0) // nonce doesn't matter. We're only testing against speed, not validity + + // Reset timer so the big generation isn't included in the benchmark + b.ResetTimer() + // Validate + DaggerVerify(hash, diff, o) +} -- cgit v1.2.3 From c9985bf563888d5f346408d2ff174167e8b65880 Mon Sep 17 00:00:00 2001 From: obscuren Date: Mon, 5 Jan 2015 19:53:53 +0100 Subject: Fixed peer window. Minor tweaks and fixes --- pow/ezp/pow.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'pow') diff --git a/pow/ezp/pow.go b/pow/ezp/pow.go index f9f27326f..8c164798a 100644 --- a/pow/ezp/pow.go +++ b/pow/ezp/pow.go @@ -21,7 +21,7 @@ type EasyPow struct { } func New() *EasyPow { - return &EasyPow{turbo: true} + return &EasyPow{turbo: false} } func (pow *EasyPow) GetHashrate() int64 { -- cgit v1.2.3 From fed3e6a808921fb8274b50043c5c39a24a1bbccf Mon Sep 17 00:00:00 2001 From: obscuren Date: Wed, 7 Jan 2015 13:17:48 +0100 Subject: Refactored ethutil.Config.Db out --- pow/ar/block.go | 12 ------ pow/ar/ops.go | 54 ------------------------ pow/ar/pow.go | 122 ----------------------------------------------------- pow/ar/pow_test.go | 47 --------------------- pow/ar/rnd.go | 66 ----------------------------- 5 files changed, 301 deletions(-) delete mode 100644 pow/ar/block.go delete mode 100644 pow/ar/ops.go delete mode 100644 pow/ar/pow.go delete mode 100644 pow/ar/pow_test.go delete mode 100644 pow/ar/rnd.go (limited to 'pow') diff --git a/pow/ar/block.go b/pow/ar/block.go deleted file mode 100644 index 2124b53b4..000000000 --- a/pow/ar/block.go +++ /dev/null @@ -1,12 +0,0 @@ -package ar - -import ( - "math/big" - - "github.com/ethereum/go-ethereum/trie" -) - -type Block interface { - Trie() *trie.Trie - Diff() *big.Int -} diff --git a/pow/ar/ops.go b/pow/ar/ops.go deleted file mode 100644 index 3a099be08..000000000 --- a/pow/ar/ops.go +++ /dev/null @@ -1,54 +0,0 @@ -package ar - -import "math/big" - -const lenops int64 = 9 - -type OpsFunc func(a, b *big.Int) *big.Int - -var ops [lenops]OpsFunc - -func init() { - ops[0] = Add - ops[1] = Mul - ops[2] = Mod - ops[3] = Xor - ops[4] = And - ops[5] = Or - ops[6] = Sub1 - ops[7] = XorSub - ops[8] = Rsh -} - -func Add(x, y *big.Int) *big.Int { - return new(big.Int).Add(x, y) -} -func Mul(x, y *big.Int) *big.Int { - return new(big.Int).Mul(x, y) -} -func Mod(x, y *big.Int) *big.Int { - return new(big.Int).Mod(x, y) -} -func Xor(x, y *big.Int) *big.Int { - return new(big.Int).Xor(x, y) -} -func And(x, y *big.Int) *big.Int { - return new(big.Int).And(x, y) -} -func Or(x, y *big.Int) *big.Int { - return new(big.Int).Or(x, y) -} -func Sub1(x, y *big.Int) *big.Int { - a := big.NewInt(-1) - a.Sub(a, x) - - return a -} -func XorSub(x, y *big.Int) *big.Int { - t := Sub1(x, nil) - - return t.Xor(t, y) -} -func Rsh(x, y *big.Int) *big.Int { - return new(big.Int).Rsh(x, uint(y.Uint64()%64)) -} diff --git a/pow/ar/pow.go b/pow/ar/pow.go deleted file mode 100644 index 8991a674b..000000000 --- a/pow/ar/pow.go +++ /dev/null @@ -1,122 +0,0 @@ -package ar - -import ( - "math/big" - - "github.com/ethereum/go-ethereum/ethutil" -) - -type Entry struct { - op OpsFunc - i, j *big.Int -} - -type Tape struct { - tape []Entry - block Block -} - -func NewTape(block Block) *Tape { - return &Tape{nil, block} -} - -func (self *Tape) gen(w, h int64, gen NumberGenerator) { - self.tape = nil - - for v := int64(0); v < h; v++ { - op := ops[gen.rand64(lenops).Int64()] - r := gen.rand64(100).Uint64() - - var j *big.Int - if r < 20 && v > 20 { - j = self.tape[len(self.tape)-1].i - } else { - j = gen.rand64(w) - } - - i := gen.rand64(w) - self.tape = append(self.tape, Entry{op, i, j}) - } -} - -func (self *Tape) runTape(w, h int64, gen NumberGenerator) *big.Int { - var mem []*big.Int - for i := int64(0); i < w; i++ { - mem = append(mem, gen.rand(ethutil.BigPow(2, 64))) - } - - set := func(i, j int) Entry { - entry := self.tape[i*100+j] - mem[entry.i.Uint64()] = entry.op(entry.i, entry.j) - - return entry - } - - dir := true - for i := 0; i < int(h)/100; i++ { - var entry Entry - if dir { - for j := 0; j < 100; j++ { - entry = set(i, j) - } - } else { - for j := 99; i >= 0; j-- { - entry = set(i, j) - } - } - - t := mem[entry.i.Uint64()] - if big.NewInt(2).Cmp(new(big.Int).Mod(t, big.NewInt(37))) < 0 { - dir = !dir - } - } - - return Sha3(mem) -} - -func (self *Tape) Verify(header, nonce []byte) bool { - n := ethutil.BigD(nonce) - - var w int64 = 10000 - var h int64 = 150000 - gen := Rnd(Sha3([]interface{}{header, new(big.Int).Div(n, big.NewInt(1000))})) - self.gen(w, h, gen) - - gen = Rnd(Sha3([]interface{}{header, new(big.Int).Mod(n, big.NewInt(1000))})) - hash := self.runTape(w, h, gen) - - it := self.block.Trie().Iterator() - next := it.Next(string(new(big.Int).Mod(hash, ethutil.BigPow(2, 160)).Bytes())) - - req := ethutil.BigPow(2, 256) - req.Div(req, self.block.Diff()) - return Sha3([]interface{}{hash, next}).Cmp(req) < 0 -} - -func (self *Tape) Run(header []byte) []byte { - nonce := big.NewInt(0) - var w int64 = 10000 - var h int64 = 150000 - - req := ethutil.BigPow(2, 256) - req.Div(req, self.block.Diff()) - - for { - if new(big.Int).Mod(nonce, b(1000)).Cmp(b(0)) == 0 { - gen := Rnd(Sha3([]interface{}{header, new(big.Int).Div(nonce, big.NewInt(1000))})) - self.gen(w, h, gen) - } - - gen := Rnd(Sha3([]interface{}{header, new(big.Int).Mod(nonce, big.NewInt(1000))})) - hash := self.runTape(w, h, gen) - - it := self.block.Trie().Iterator() - next := it.Next(string(new(big.Int).Mod(hash, ethutil.BigPow(2, 160)).Bytes())) - - if Sha3([]interface{}{hash, next}).Cmp(req) < 0 { - return nonce.Bytes() - } else { - nonce.Add(nonce, ethutil.Big1) - } - } -} diff --git a/pow/ar/pow_test.go b/pow/ar/pow_test.go deleted file mode 100644 index b1ebf9281..000000000 --- a/pow/ar/pow_test.go +++ /dev/null @@ -1,47 +0,0 @@ -package ar - -import ( - "fmt" - "math/big" - "testing" - - "github.com/ethereum/go-ethereum/ethdb" - "github.com/ethereum/go-ethereum/trie" -) - -type TestBlock struct { - trie *trie.Trie -} - -func NewTestBlock() *TestBlock { - db, _ := ethdb.NewMemDatabase() - return &TestBlock{ - trie: trie.New(db, ""), - } -} - -func (self *TestBlock) Diff() *big.Int { - return b(10) -} - -func (self *TestBlock) Trie() *trie.Trie { - return self.trie -} - -func (self *TestBlock) Hash() []byte { - a := make([]byte, 32) - a[0] = 10 - a[1] = 2 - return a -} - -func TestPow(t *testing.T) { - entry := make([]byte, 32) - entry[0] = 255 - - block := NewTestBlock() - - pow := NewTape(block) - nonce := pow.Run(block.Hash()) - fmt.Println("Found nonce", nonce) -} diff --git a/pow/ar/rnd.go b/pow/ar/rnd.go deleted file mode 100644 index c62f4e062..000000000 --- a/pow/ar/rnd.go +++ /dev/null @@ -1,66 +0,0 @@ -package ar - -import ( - "math/big" - - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/ethutil" -) - -var b = big.NewInt - -type Node interface { - Big() *big.Int -} - -type ByteNode []byte - -func (self ByteNode) Big() *big.Int { - return ethutil.BigD(ethutil.Encode([]byte(self))) -} - -func Sha3(v interface{}) *big.Int { - if b, ok := v.(*big.Int); ok { - return ethutil.BigD(crypto.Sha3(b.Bytes())) - } else if b, ok := v.([]interface{}); ok { - return ethutil.BigD(crypto.Sha3(ethutil.Encode(b))) - } else if s, ok := v.([]*big.Int); ok { - v := make([]interface{}, len(s)) - for i, b := range s { - v[i] = b - } - - return ethutil.BigD(crypto.Sha3(ethutil.Encode(v))) - } - - return nil -} - -type NumberGenerator interface { - rand(r *big.Int) *big.Int - rand64(r int64) *big.Int -} - -type rnd struct { - seed *big.Int -} - -func Rnd(s *big.Int) rnd { - return rnd{s} -} - -func (self rnd) rand(r *big.Int) *big.Int { - o := b(0).Mod(self.seed, r) - - self.seed.Div(self.seed, r) - - if self.seed.Cmp(ethutil.BigPow(2, 64)) < 0 { - self.seed = Sha3(self.seed) - } - - return o -} - -func (self rnd) rand64(r int64) *big.Int { - return self.rand(b(r)) -} -- cgit v1.2.3 From 35fe4313d57e1df6c3c8af0bc0b530bd7033e21b Mon Sep 17 00:00:00 2001 From: obscuren Date: Mon, 12 Jan 2015 10:19:27 +0100 Subject: pre-pow --- pow/dash/crypto.c | 5 +++++ pow/dash/crypto.go | 14 ++++++++++++++ 2 files changed, 19 insertions(+) create mode 100644 pow/dash/crypto.c create mode 100644 pow/dash/crypto.go (limited to 'pow') diff --git a/pow/dash/crypto.c b/pow/dash/crypto.c new file mode 100644 index 000000000..9c5a62d16 --- /dev/null +++ b/pow/dash/crypto.c @@ -0,0 +1,5 @@ +extern char *Sha3(char *, int); +char *sha3_cgo(char *data, int l) +{ + return Sha3(data, l); +} diff --git a/pow/dash/crypto.go b/pow/dash/crypto.go new file mode 100644 index 000000000..0644a54ae --- /dev/null +++ b/pow/dash/crypto.go @@ -0,0 +1,14 @@ +package dash + +/* +char *sha3_cgo(char *, int); // Forward declaration +*/ +import "C" +import ( + "github.com/ethereum/go-ethereum/crypto" +) + +//export Sha3 +func Sha3(data []byte, l int) []byte { + return crypto.Sha3(data) +} -- cgit v1.2.3 From 6eaa404187953777e8dc866e4e3db089e4ad0501 Mon Sep 17 00:00:00 2001 From: obscuren Date: Thu, 22 Jan 2015 00:25:00 +0100 Subject: Moved sha3 from `obscuren` --- pow/dagger/dagger.go | 2 +- pow/ezp/pow.go | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'pow') diff --git a/pow/dagger/dagger.go b/pow/dagger/dagger.go index 9ac000443..310f8abdd 100644 --- a/pow/dagger/dagger.go +++ b/pow/dagger/dagger.go @@ -6,9 +6,9 @@ import ( "math/rand" "time" + "github.com/ethereum/go-ethereum/crypto/sha3" "github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/logger" - "github.com/obscuren/sha3" ) var powlogger = logger.NewLogger("POW") diff --git a/pow/ezp/pow.go b/pow/ezp/pow.go index 8c164798a..5abe6950e 100644 --- a/pow/ezp/pow.go +++ b/pow/ezp/pow.go @@ -6,10 +6,10 @@ import ( "time" "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/crypto/sha3" "github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/pow" - "github.com/obscuren/sha3" ) var powlogger = logger.NewLogger("POW") -- cgit v1.2.3