From ebef4e103b4601e477a787ace068dbf181acc39c Mon Sep 17 00:00:00 2001
From: obscuren <obscuren@obscura.com>
Date: Sat, 4 Jan 2014 00:32:01 +0100
Subject: [PATCH] Ether

---
 contract.go | 63 +++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 52 insertions(+), 11 deletions(-)

diff --git a/contract.go b/contract.go
index e95e50b74..778f3578d 100644
--- a/contract.go
+++ b/contract.go
@@ -1,36 +1,42 @@
 package main
 
 import (
+  _"fmt"
 )
 
 type Contract struct {
-  active int
-  amount uint32 // ???
+  t uint32 // contract is always 1
+  amount uint64 // ???
   state  *Trie
 }
-func NewContract(amount uint32, root []byte) *Contract {
-  contract := &Contract{active: 1, amount: amount}
+
+func NewContract(amount uint64, root []byte) *Contract {
+  contract := &Contract{t: 1, amount: amount}
   contract.state = NewTrie(Db, string(root))
 
   return  contract
 }
-func (c *Contract) MarshalRlp() []byte {
-  // Prepare the transaction for serialization
-  preEnc := []interface{}{uint32(c.active), c.amount, c.state.root}
 
-  return Encode(preEnc)
+func (c *Contract) MarshalRlp() []byte {
+  return Encode([]interface{}{c.t, c.amount, c.state.root})
 }
 
 func (c *Contract) UnmarshalRlp(data []byte) {
   t, _ := Decode(data, 0)
 
   if slice, ok := t.([]interface{}); ok {
-    if active, ok := slice[0].(uint8); ok {
-      c.active = int(active)
+    if t, ok := slice[0].(uint8); ok {
+      c.t = uint32(t)
     }
 
     if amount, ok := slice[1].(uint8); ok {
-      c.amount = uint32(amount)
+      c.amount = uint64(amount)
+    } else if amount, ok := slice[1].(uint16); ok {
+      c.amount = uint64(amount)
+    } else if amount, ok := slice[1].(uint32); ok {
+      c.amount = uint64(amount)
+    } else if amount, ok := slice[1].(uint64); ok {
+      c.amount = amount
     }
 
     if root, ok := slice[2].([]uint8); ok {
@@ -38,3 +44,38 @@ func (c *Contract) UnmarshalRlp(data []byte) {
     }
   }
 }
+
+type Ether struct {
+  t uint32
+  amount uint64
+  nonce string
+}
+
+func NewEtherFromData(data []byte) *Ether {
+  ether := &Ether{}
+  ether.UnmarshalRlp(data)
+
+  return ether
+}
+
+func (e *Ether) MarshalRlp() []byte {
+  return Encode([]interface{}{e.t, e.amount, e.nonce})
+}
+
+func (e *Ether) UnmarshalRlp(data []byte) {
+  t, _ := Decode(data, 0)
+
+  if slice, ok := t.([]interface{}); ok {
+    if t, ok := slice[0].(uint8); ok {
+      e.t = uint32(t)
+    }
+
+    if amount, ok := slice[1].(uint8); ok {
+      e.amount = uint64(amount)
+    }
+
+    if nonce, ok := slice[2].([]uint8); ok {
+      e.nonce = string(nonce)
+    }
+  }
+}