From 0e93b98533968f4a0033ec6214391f5ca647a956 Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Fri, 19 Dec 2014 13:34:53 +0100
Subject: [PATCH] Transaction was generating incorrect hash because of var
 changes

---
 core/state_transition.go  |  2 +-
 core/types/transaction.go | 19 ++++++++++---------
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/core/state_transition.go b/core/state_transition.go
index 9e81ddf28..a54246eba 100644
--- a/core/state_transition.go
+++ b/core/state_transition.go
@@ -112,7 +112,7 @@ func (self *StateTransition) BuyGas() error {
 
 	sender := self.From()
 	if sender.Balance().Cmp(MessageGasValue(self.msg)) < 0 {
-		return fmt.Errorf("Insufficient funds to pre-pay gas. Req %v, has %v", MessageGasValue(self.msg), sender.Balance())
+		return fmt.Errorf("insufficient ETH for gas (%x). Req %v, has %v", sender.Address()[:4], MessageGasValue(self.msg), sender.Balance())
 	}
 
 	coinbase := self.Coinbase()
diff --git a/core/types/transaction.go b/core/types/transaction.go
index c64fb69f0..f6ad0774b 100644
--- a/core/types/transaction.go
+++ b/core/types/transaction.go
@@ -47,7 +47,7 @@ func NewTransactionFromValue(val *ethutil.Value) *Transaction {
 }
 
 func (tx *Transaction) Hash() []byte {
-	data := []interface{}{tx.Nonce, tx.gasPrice, tx.gas, tx.recipient, tx.Value, tx.Data}
+	data := []interface{}{tx.nonce, tx.gasPrice, tx.gas, tx.recipient, tx.value, tx.data}
 
 	return crypto.Sha3(ethutil.NewValue(data).Encode())
 }
@@ -108,8 +108,8 @@ func (tx *Transaction) PublicKey() []byte {
 	sig := append(r, s...)
 	sig = append(sig, v-27)
 
-	pubkey := crypto.Ecrecover(append(hash, sig...))
-	//pubkey, _ := secp256k1.RecoverPubkey(hash, sig)
+	//pubkey := crypto.Ecrecover(append(hash, sig...))
+	pubkey, _ := secp256k1.RecoverPubkey(hash, sig)
 
 	return pubkey
 }
@@ -138,9 +138,7 @@ func (tx *Transaction) Sign(privk []byte) error {
 }
 
 func (tx *Transaction) RlpData() interface{} {
-	data := []interface{}{tx.Nonce, tx.GasPrice, tx.Gas, tx.recipient, tx.Value, tx.Data}
-
-	// TODO Remove prefixing zero's
+	data := []interface{}{tx.nonce, tx.gasPrice, tx.gas, tx.recipient, tx.value, tx.data}
 
 	return append(data, tx.v, new(big.Int).SetBytes(tx.r).Bytes(), new(big.Int).SetBytes(tx.s).Bytes())
 }
@@ -184,6 +182,7 @@ func (tx *Transaction) String() string {
 	V:        0x%x
 	R:        0x%x
 	S:        0x%x
+	Hex:      %x
 	`,
 		tx.Hash(),
 		len(tx.recipient) == 0,
@@ -192,11 +191,13 @@ func (tx *Transaction) String() string {
 		tx.nonce,
 		tx.gasPrice,
 		tx.gas,
-		tx.Value,
-		tx.Data,
+		tx.value,
+		tx.data,
 		tx.v,
 		tx.r,
-		tx.s)
+		tx.s,
+		ethutil.Encode(tx),
+	)
 }
 
 // Transaction slice type for basic sorting