Refactored tx pool and added extra fields to block

* chain manager sets td on block + td output w/ String
* added tx pool tests for removing/adding/validating
* tx pool now uses a set for txs instead of list.List

2 files changed, 7 insertions, 2 deletions

diff --git a/core/types/block.go b/core/types/block.go
index 7b4695f73..b59044bfc 100644
--- a/core/types/block.go
+++ b/core/types/block.go
@@ -209,7 +209,7 @@ func (self *Block) HashNoNonce() []byte {
 }
 
 func (self *Block) String() string {
-	return fmt.Sprintf(`BLOCK(%x): Size: %v {
+	return fmt.Sprintf(`BLOCK(%x): Size: %v TD: %v {
 Header:
 [
 %v
@@ -219,7 +219,7 @@ Transactions:
 Uncles:
 %v
 }
-`, self.header.Hash(), self.Size(), self.header, self.transactions, self.uncles)
+`, self.header.Hash(), self.Size(), self.Td, self.header, self.transactions, self.uncles)
 }
 
 func (self *Header) String() string {
diff --git a/core/types/transaction.go b/core/types/transaction.go
index 59244adc3..83d76648f 100644
--- a/core/types/transaction.go
+++ b/core/types/transaction.go
@@ -2,6 +2,7 @@ package types
 
 import (
 	"bytes"
+	"crypto/ecdsa"
 	"fmt"
 	"math/big"
 
@@ -139,6 +140,10 @@ func (tx *Transaction) Sign(privk []byte) error {
 	return nil
 }
 
+func (tx *Transaction) SignECDSA(key *ecdsa.PrivateKey) error {
+	return tx.Sign(crypto.FromECDSA(key))
+}
+
 func (tx *Transaction) RlpData() interface{} {
 	data := []interface{}{tx.AccountNonce, tx.Price, tx.GasLimit, tx.Recipient, tx.Amount, tx.Payload}