Merge eth-go repository into go-ethereum

mist, etheruem have been moved to cmd/

pow/ar/pow_test.go

@@ -0,0 +1,47 @@
+package ar
+
+import (
+	"fmt"
+	"math/big"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/ethdb"
+	"github.com/ethereum/go-ethereum/ethtrie"
+)
+
+type TestBlock struct {
+	trie *ethtrie.Trie
+}
+
+func NewTestBlock() *TestBlock {
+	db, _ := ethdb.NewMemDatabase()
+	return &TestBlock{
+		trie: ethtrie.New(db, ""),
+	}
+}
+
+func (self *TestBlock) Diff() *big.Int {
+	return b(10)
+}
+
+func (self *TestBlock) Trie() *ethtrie.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)
+}