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authorMatthew Wampler-Doty <matthew.wampler.doty@gmail.com>2015-03-01 03:58:37 +0800
committerMatthew Wampler-Doty <matthew.wampler.doty@gmail.com>2015-03-03 11:29:34 +0800
commitde9f79133faa1ff5dcd16fb4fd13d06b7799ded9 (patch)
treefcc9001d6b681ccdd1b3bbe516e3611e808341d7 /pow
parent080823bdeebbab2bcffdaefad703896700ed2c30 (diff)
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Introducing ethash
Diffstat (limited to 'pow')
-rw-r--r--pow/block.go12
-rw-r--r--pow/dagger/dagger.go4
-rw-r--r--pow/dash/crypto.c5
-rw-r--r--pow/dash/crypto.go14
-rw-r--r--pow/ezp/pow.go8
-rw-r--r--pow/pow.go2
6 files changed, 16 insertions, 29 deletions
diff --git a/pow/block.go b/pow/block.go
index 129f96fd3..eb07bc86e 100644
--- a/pow/block.go
+++ b/pow/block.go
@@ -1,12 +1,20 @@
package pow
-import "math/big"
+import (
+ "github.com/ethereum/go-ethereum/core/types"
+ "math/big"
+)
type Block interface {
Difficulty() *big.Int
HashNoNonce() []byte
Nonce() []byte
- Number() *big.Int
MixDigest() []byte
SeedHash() []byte
+ NumberU64() uint64
+}
+
+type ChainManager interface {
+ GetBlockByNumber(uint64) *types.Block
+ CurrentBlock() *types.Block
}
diff --git a/pow/dagger/dagger.go b/pow/dagger/dagger.go
index 310f8abdd..3da7683d5 100644
--- a/pow/dagger/dagger.go
+++ b/pow/dagger/dagger.go
@@ -44,7 +44,7 @@ func (dag *Dagger) Find(obj *big.Int, resChan chan int64) {
resChan <- 0
}
-func (dag *Dagger) Search(hash, diff *big.Int) *big.Int {
+func (dag *Dagger) Search(hash, diff *big.Int) ([]byte, []byte, []byte) {
// TODO fix multi threading. Somehow it results in the wrong nonce
amountOfRoutines := 1
@@ -69,7 +69,7 @@ func (dag *Dagger) Search(hash, diff *big.Int) *big.Int {
}
}
- return big.NewInt(res)
+ return big.NewInt(res).Bytes(), nil, nil
}
func (dag *Dagger) Verify(hash, diff, nonce *big.Int) bool {
diff --git a/pow/dash/crypto.c b/pow/dash/crypto.c
deleted file mode 100644
index 9c5a62d16..000000000
--- a/pow/dash/crypto.c
+++ /dev/null
@@ -1,5 +0,0 @@
-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
deleted file mode 100644
index 0644a54ae..000000000
--- a/pow/dash/crypto.go
+++ /dev/null
@@ -1,14 +0,0 @@
-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)
-}
diff --git a/pow/ezp/pow.go b/pow/ezp/pow.go
index 8808d7ce0..49854c3d0 100644
--- a/pow/ezp/pow.go
+++ b/pow/ezp/pow.go
@@ -32,7 +32,7 @@ func (pow *EasyPow) Turbo(on bool) {
pow.turbo = on
}
-func (pow *EasyPow) Search(block pow.Block, stop <-chan struct{}) []byte {
+func (pow *EasyPow) Search(block pow.Block, stop <-chan struct{}) ([]byte, []byte, []byte) {
r := rand.New(rand.NewSource(time.Now().UnixNano()))
hash := block.HashNoNonce()
diff := block.Difficulty()
@@ -57,7 +57,7 @@ empty:
for {
select {
case <-stop:
- return nil
+ return nil, nil, nil
default:
i++
@@ -67,7 +67,7 @@ empty:
sha := crypto.Sha3(big.NewInt(r.Int63()).Bytes())
if verify(hash, diff, sha) {
- return sha
+ return sha, nil, nil
}
}
@@ -75,8 +75,6 @@ empty:
time.Sleep(20 * time.Microsecond)
}
}
-
- return nil
}
func (pow *EasyPow) Verify(block pow.Block) bool {
diff --git a/pow/pow.go b/pow/pow.go
index c94ee40ba..11aecbd6b 100644
--- a/pow/pow.go
+++ b/pow/pow.go
@@ -1,7 +1,7 @@
package pow
type PoW interface {
- Search(block Block, stop <-chan struct{}) []byte
+ Search(block Block, stop <-chan struct{}) ([]byte, []byte, []byte)
Verify(block Block) bool
GetHashrate() int64
Turbo(bool)