Merge branch 'develop' into miner

9 files changed, 27 insertions, 26 deletions

diff --git a/cmd/evm/main.go b/cmd/evm/main.go
index f819386fe..432cbd001 100644
--- a/cmd/evm/main.go
+++ b/cmd/evm/main.go
@@ -128,6 +128,7 @@ func (self *VMEnv) Difficulty() *big.Int  { return ethutil.Big1 }
 func (self *VMEnv) BlockHash() []byte     { return make([]byte, 32) }
 func (self *VMEnv) Value() *big.Int       { return self.value }
 func (self *VMEnv) GasLimit() *big.Int    { return big.NewInt(1000000000) }
+func (self *VMEnv) VmType() vm.Type       { return vm.StdVmTy }
 func (self *VMEnv) Depth() int            { return 0 }
 func (self *VMEnv) SetDepth(i int)        { self.depth = i }
 func (self *VMEnv) GetHash(n uint64) []byte {
diff --git a/cmd/mist/assets/examples/coin.html b/cmd/mist/assets/examples/coin.html
index 9d1a83171..149c51a47 100644
--- a/cmd/mist/assets/examples/coin.html
+++ b/cmd/mist/assets/examples/coin.html
@@ -62,7 +62,7 @@
 		],
 	}];
 
-    var address = "";//web3.db.get("jevcoin", "address");
+    var address = web3.db.get("jevcoin", "address");
     if( address.length == 0 ) {
         var code = "0x60056011565b60b88060356000396000f35b64e8d4a51000600033600160a060020a0316600052602052604060002081905550560060e060020a6000350480637bb98a68146028578063d0679d34146034578063e3d670d714604657005b602e60b3565b60006000f35b60406004356024356059565b60006000f35b604f6004356091565b8060005260206000f35b8060005281600160a060020a03167fb52dda022b6c1a1f40905a85f257f689aa5d69d850e49cf939d688fbe5af594660206000a25050565b6000600082600160a060020a03166000526020526040600020549050919050565b5b60008156";
         address = web3.eth.transact({
@@ -77,7 +77,7 @@
 	contract.Changed({to: "0xaa"}).changed(function(e) {
 		console.log("e: " + JSON.stringify(e));
 	});
-	contract.transact({gas: "10000", gasprice: eth.gasPrice}).send( "0xaa", 10000 );
+	contract.send( "0xaa", 10000 );
 	function reflesh() {
         document.querySelector("#balance").innerHTML = contract.balance(eth.coinbase);
 
diff --git a/core/block_processor.go b/core/block_processor.go
index d59d7feca..a69ff1824 100644
--- a/core/block_processor.go
+++ b/core/block_processor.go
@@ -7,6 +7,7 @@ import (
 	"sync"
 	"time"
 
+	"github.com/ethereum/c-ethash/go-ethash"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethutil"
@@ -14,7 +15,7 @@ import (
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/p2p"
 	"github.com/ethereum/go-ethereum/pow"
-	"github.com/ethereum/go-ethereum/pow/ezp"
+	_ "github.com/ethereum/go-ethereum/pow/ezp"
 	"github.com/ethereum/go-ethereum/state"
 	"gopkg.in/fatih/set.v0"
 )
@@ -62,7 +63,7 @@ func NewBlockProcessor(db ethutil.Database, txpool *TxPool, chainManager *ChainM
 	sm := &BlockProcessor{
 		db:       db,
 		mem:      make(map[string]*big.Int),
-		Pow:      ezp.New(),
+		Pow:      &ethash.Ethash{},
 		bc:       chainManager,
 		eventMux: eventMux,
 		txpool:   txpool,
diff --git a/eth/protocol_test.go b/eth/protocol_test.go
index 224b59abd..1fe6d8f6b 100644
--- a/eth/protocol_test.go
+++ b/eth/protocol_test.go
@@ -80,6 +80,8 @@ func (self *testTxPool) AddTransactions(txs []*types.Transaction) {
 	}
 }
 
+func (self *testTxPool) GetTransactions() types.Transactions { return nil }
+
 func (self *testChainManager) GetBlockHashesFromHash(hash []byte, amount uint64) (hashes [][]byte) {
 	if self.getBlockHashes != nil {
 		hashes = self.getBlockHashes(hash, amount)
diff --git a/miner/miner.go b/miner/miner.go
index 8044ef073..79ba68587 100644
--- a/miner/miner.go
+++ b/miner/miner.go
@@ -205,9 +205,7 @@ 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())
@@ -234,10 +232,10 @@ func (self *Miner) mine() {
 
 	minerlogger.Infof("Mining on block. Includes %v transactions", len(transactions))
 
-	x, y := getSeed(chainMan, block)
-	self.pow, err = ethash.New(append(x, y...), block)
+	x, _ := getSeed(chainMan, block)
+	self.pow, err = ethash.New(x, block)
 	if err != nil {
-		fmt.Println("err", err)
+		fmt.Println("miner gave back err", err)
 		return
 	}
 
diff --git a/pow/block.go b/pow/block.go
index 62df2b5ff..31e194d8d 100644
--- a/pow/block.go
+++ b/pow/block.go
@@ -6,4 +6,5 @@ type Block interface {
 	Difficulty() *big.Int
 	HashNoNonce() []byte
 	N() []byte
+	Number() *big.Int
 }
diff --git a/pow/ezp/pow.go b/pow/ezp/pow.go
index 64d3230c9..e4caa076a 100644
--- a/pow/ezp/pow.go
+++ b/pow/ezp/pow.go
@@ -53,7 +53,6 @@ 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()
 			}
@@ -83,7 +82,7 @@ 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
 }
diff --git a/rpc/args.go b/rpc/args.go
index 34e706b98..84b076d4a 100644
--- a/rpc/args.go
+++ b/rpc/args.go
@@ -37,16 +37,6 @@ type NewTxArgs struct {
 	Data     string `json:"data"`
 }
 
-func (a *NewTxArgs) requirements() error {
-	if a.Gas == "" {
-		return NewErrorResponse("Transact requires a 'gas' value as argument")
-	}
-	if a.GasPrice == "" {
-		return NewErrorResponse("Transact requires a 'gasprice' value as argument")
-	}
-	return nil
-}
-
 type PushTxArgs struct {
 	Tx string `json:"tx"`
 }
diff --git a/rpc/packages.go b/rpc/packages.go
index a98d99d6c..047bbda9a 100644
--- a/rpc/packages.go
+++ b/rpc/packages.go
@@ -40,6 +40,11 @@ import (
 	"github.com/ethereum/go-ethereum/xeth"
 )
 
+const (
+	defaultGasPrice = "10000000000000"
+	defaultGas      = "10000"
+)
+
 type EthereumApi struct {
 	xeth          *xeth.XEth
 	filterManager *filter.FilterManager
@@ -116,10 +121,14 @@ func (p *EthereumApi) GetBlock(args *GetBlockArgs, reply *interface{}) error {
 }
 
 func (p *EthereumApi) Transact(args *NewTxArgs, reply *interface{}) error {
-	err := args.requirements()
-	if err != nil {
-		return err
+	if len(args.Gas) == 0 {
+		args.Gas = defaultGas
+	}
+
+	if len(args.GasPrice) == 0 {
+		args.GasPrice = defaultGasPrice
 	}
+
 	result, _ := p.xeth.Transact( /* TODO specify account */ args.To, args.Value, args.Gas, args.GasPrice, args.Data)
 	*reply = result
 	return nil
@@ -387,7 +396,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
 		}
 		return p.FilterChanged(args, reply)
 	case "eth_gasPrice":
-		*reply = "10000000000000"
+		*reply = defaultGasPrice
 		return nil
 	case "web3_sha3":
 		args, err := req.ToSha3Args()