62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
package state
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import (
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checker "gopkg.in/check.v1"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/ethutil"
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"github.com/ethereum/go-ethereum/trie"
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)
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type StateSuite struct {
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state *StateDB
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}
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var _ = checker.Suite(&StateSuite{})
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// var ZeroHash256 = make([]byte, 32)
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func (s *StateSuite) TestDump(c *checker.C) {
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key := []byte{0x01}
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value := "foo"
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node := []interface{}{key, value}
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s.state.Trie.Put(node)
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dump := s.state.Dump()
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c.Assert(dump, checker.NotNil)
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}
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func (s *StateSuite) SetUpTest(c *checker.C) {
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db, _ := ethdb.NewMemDatabase()
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ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "")
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ethutil.Config.Db = db
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s.state = New(trie.New(db, ""))
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}
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func (s *StateSuite) TestSnapshot(c *checker.C) {
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stateobjaddr := []byte("aa")
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storageaddr := ethutil.Big("0")
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data1 := ethutil.NewValue(42)
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data2 := ethutil.NewValue(43)
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// get state object
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stateObject := s.state.GetOrNewStateObject(stateobjaddr)
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// set inital state object value
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stateObject.SetStorage(storageaddr, data1)
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// get snapshot of current state
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snapshot := s.state.Copy()
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// get state object. is this strictly necessary?
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stateObject = s.state.GetStateObject(stateobjaddr)
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// set new state object value
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stateObject.SetStorage(storageaddr, data2)
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// restore snapshot
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s.state.Set(snapshot)
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// get state object
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stateObject = s.state.GetStateObject(stateobjaddr)
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// get state storage value
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res := stateObject.GetStorage(storageaddr)
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c.Assert(data1, checker.DeepEquals, res)
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}
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