aboutsummaryrefslogtreecommitdiffstats
path: root/ethchain/contract.go
diff options
context:
space:
mode:
Diffstat (limited to 'ethchain/contract.go')
-rw-r--r--ethchain/contract.go94
1 files changed, 0 insertions, 94 deletions
diff --git a/ethchain/contract.go b/ethchain/contract.go
deleted file mode 100644
index f7ae01753..000000000
--- a/ethchain/contract.go
+++ /dev/null
@@ -1,94 +0,0 @@
-package ethchain
-
-import (
- "github.com/ethereum/eth-go/ethutil"
- "math/big"
-)
-
-type Contract struct {
- Amount *big.Int
- Nonce uint64
- //state *ethutil.Trie
- state *State
- address []byte
-}
-
-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 NewContractFromBytes(address, data []byte) *Contract {
- contract := &Contract{address: address}
- contract.RlpDecode(data)
-
- return contract
-}
-
-func (c *Contract) Addr(addr []byte) *ethutil.Value {
- return ethutil.NewValueFromBytes([]byte(c.state.trie.Get(string(addr))))
-}
-
-func (c *Contract) SetAddr(addr []byte, value interface{}) {
- c.state.trie.Update(string(addr), string(ethutil.NewValue(value).Encode()))
-}
-
-func (c *Contract) State() *State {
- return c.state
-}
-
-func (c *Contract) GetMem(num *big.Int) *ethutil.Value {
- nb := ethutil.BigToBytes(num, 256)
-
- return c.Addr(nb)
-}
-
-func (c *Contract) SetMem(num *big.Int, val *ethutil.Value) {
- addr := ethutil.BigToBytes(num, 256)
- c.state.trie.Update(string(addr), string(val.Encode()))
-}
-
-// Return the gas back to the origin. Used by the Virtual machine or Closures
-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(addr, value, []byte(""))
- state.trie.Update(string(addr), string(contract.RlpEncode()))
- for i, val := range tx.Data {
- if len(val) > 0 {
- bytNum := ethutil.BigToBytes(big.NewInt(int64(i)), 256)
- contract.state.trie.Update(string(bytNum), string(ethutil.Encode(val)))
- }
- }
- state.trie.Update(string(addr), string(contract.RlpEncode()))
-
- return contract
- }
-
- return nil
-}