set uncles regardless of empty uncle list. Fixes invalid blocks being mined

miner/miner.go

@@ -184,9 +184,7 @@ func (self *Miner) mine() {
 	block.Header().Extra = self.Extra
 
 	// Apply uncles
-	if len(self.uncles) > 0 {
-		block.SetUncles(self.uncles)
-	}
+	block.SetUncles(self.uncles)
 
 	parent := chainMan.GetBlock(block.ParentHash())
 	coinbase := state.GetOrNewStateObject(block.Coinbase())

pow/ezp/pow.go

@@ -1,6 +1,7 @@
 package ezp
 
 import (
+	"fmt"
 	"math/big"
 	"math/rand"
 	"time"
@@ -53,13 +54,13 @@ func (pow *EasyPow) Search(block pow.Block, stop <-chan struct{}) []byte {
 				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 verify(hash, diff, sha) {
+				fmt.Printf("HASH: %x\nDIFF %v\nSHA %x\n", hash, diff, sha)
 				return sha
 			}
 		}
@@ -83,7 +84,7 @@ func verify(hash []byte, diff *big.Int, nonce []byte) bool {
 	sha.Write(d)
 
 	verification := new(big.Int).Div(ethutil.BigPow(2, 256), diff)
-	res := ethutil.U256(ethutil.BigD(sha.Sum(nil)))
+	res := ethutil.BigD(sha.Sum(nil))
 
 	return res.Cmp(verification) <= 0
 }