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path: root/ethchain/contract.go
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Diffstat (limited to 'ethchain/contract.go')
-rw-r--r--ethchain/contract.go38
1 files changed, 25 insertions, 13 deletions
diff --git a/ethchain/contract.go b/ethchain/contract.go
index 10c5e2df6..93d2b68ba 100644
--- a/ethchain/contract.go
+++ b/ethchain/contract.go
@@ -9,26 +9,22 @@ type Contract struct {
Amount *big.Int
Nonce uint64
//state *ethutil.Trie
- state *State
+ state *State
+ address []byte
}
-func NewContract(Amount *big.Int, root []byte) *Contract {
- contract := &Contract{Amount: Amount, Nonce: 0}
+func NewContract(address []byte, Amount *big.Int, root []byte) *Contract {
+ contract := &Contract{address: address, Amount: Amount, Nonce: 0}
contract.state = NewState(ethutil.NewTrie(ethutil.Config.Db, string(root)))
return contract
}
-func (c *Contract) RlpEncode() []byte {
- return ethutil.Encode([]interface{}{c.Amount, c.Nonce, c.state.trie.Root})
-}
-
-func (c *Contract) RlpDecode(data []byte) {
- decoder := ethutil.NewValueFromBytes(data)
+func NewContractFromBytes(address, data []byte) *Contract {
+ contract := &Contract{address: address}
+ contract.RlpDecode(data)
- c.Amount = decoder.Get(0).BigInt()
- c.Nonce = decoder.Get(1).Uint()
- c.state = NewState(ethutil.NewTrie(ethutil.Config.Db, decoder.Get(2).Interface()))
+ return contract
}
func (c *Contract) Addr(addr []byte) *ethutil.Value {
@@ -54,13 +50,29 @@ func (c *Contract) ReturnGas(val *big.Int, state *State) {
c.Amount.Add(c.Amount, val)
}
+func (c *Contract) Address() []byte {
+ return c.address
+}
+
+func (c *Contract) RlpEncode() []byte {
+ return ethutil.Encode([]interface{}{c.Amount, c.Nonce, c.state.trie.Root})
+}
+
+func (c *Contract) RlpDecode(data []byte) {
+ decoder := ethutil.NewValueFromBytes(data)
+
+ c.Amount = decoder.Get(0).BigInt()
+ c.Nonce = decoder.Get(1).Uint()
+ c.state = NewState(ethutil.NewTrie(ethutil.Config.Db, decoder.Get(2).Interface()))
+}
+
func MakeContract(tx *Transaction, state *State) *Contract {
// Create contract if there's no recipient
if tx.IsContract() {
addr := tx.Hash()[12:]
value := tx.Value
- contract := NewContract(value, []byte(""))
+ contract := NewContract(addr, value, []byte(""))
state.trie.Update(string(addr), string(contract.RlpEncode()))
for i, val := range tx.Data {
if len(val) > 0 {