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Fixed refund model

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This commit is contained in:
obscuren 2014-12-18 22:38:51 +01:00
parent f7287c626e
commit 3325683794
3 changed files with 18 additions and 17 deletions
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10
core/state_transition.go
View File

@ -213,12 +213,10 @@ func MakeContract(msg Message, state *state.StateDB) *state.StateObject {
func (self *StateTransition) RefundGas() { func (self *StateTransition) RefundGas() {
coinbaseSub := new(big.Int).Set(self.gas) coinbaseSub := new(big.Int).Set(self.gas)
uhalf := new(big.Int).Div(self.GasUsed(), ethutil.Big2) uhalf := new(big.Int).Div(self.GasUsed(), ethutil.Big2)
for addr, refs := range self.state.Refunds() { for addr, ref := range self.state.Refunds() {
for _, ref := range refs { refund := ethutil.BigMin(uhalf, ref)
coinbaseSub.Add(self.gas, ref) coinbaseSub.Add(self.gas, refund)
refund := ethutil.BigMin(uhalf, ref) self.state.AddBalance([]byte(addr), refund.Mul(refund, self.msg.GasPrice()))
self.state.AddBalance([]byte(addr), refund.Mul(refund, self.msg.GasPrice()))
}
} }
coinbase, sender := self.Coinbase(), self.From() coinbase, sender := self.Coinbase(), self.From()

17
state/state.go
View File

@ -23,14 +23,14 @@ type StateDB struct {
manifest *Manifest manifest *Manifest
refund map[string][]*big.Int refund map[string]*big.Int
logs Logs logs Logs
} }
// Create a new state from a given trie // Create a new state from a given trie
func New(trie *trie.Trie) *StateDB { func New(trie *trie.Trie) *StateDB {
return &StateDB{Trie: trie, stateObjects: make(map[string]*StateObject), manifest: NewManifest(), refund: make(map[string][]*big.Int)} return &StateDB{Trie: trie, stateObjects: make(map[string]*StateObject), manifest: NewManifest(), refund: make(map[string]*big.Int)}
} }
func (self *StateDB) EmptyLogs() { func (self *StateDB) EmptyLogs() {
@ -56,7 +56,10 @@ func (self *StateDB) GetBalance(addr []byte) *big.Int {
} }
func (self *StateDB) Refund(addr []byte, gas *big.Int) { func (self *StateDB) Refund(addr []byte, gas *big.Int) {
self.refund[string(addr)] = append(self.refund[string(addr)], gas) if self.refund[string(addr)] == nil {
self.refund[string(addr)] = new(big.Int)
}
self.refund[string(addr)].Add(self.refund[string(addr)], gas)
} }
func (self *StateDB) AddBalance(addr []byte, amount *big.Int) { func (self *StateDB) AddBalance(addr []byte, amount *big.Int) {
@ -207,7 +210,7 @@ func (self *StateDB) Copy() *StateDB {
} }
for addr, refund := range self.refund { for addr, refund := range self.refund {
state.refund[addr] = refund state.refund[addr] = new(big.Int).Set(refund)
} }
logs := make(Logs, len(self.logs)) logs := make(Logs, len(self.logs))
@ -269,17 +272,17 @@ func (s *StateDB) Sync() {
func (self *StateDB) Empty() { func (self *StateDB) Empty() {
self.stateObjects = make(map[string]*StateObject) self.stateObjects = make(map[string]*StateObject)
self.refund = make(map[string][]*big.Int) self.refund = make(map[string]*big.Int)
} }
func (self *StateDB) Refunds() map[string][]*big.Int { func (self *StateDB) Refunds() map[string]*big.Int {
return self.refund return self.refund
} }
func (self *StateDB) Update(gasUsed *big.Int) { func (self *StateDB) Update(gasUsed *big.Int) {
var deleted bool var deleted bool
self.refund = make(map[string][]*big.Int) self.refund = make(map[string]*big.Int)
for _, stateObject := range self.stateObjects { for _, stateObject := range self.stateObjects {
if stateObject.remove { if stateObject.remove {

8
tests/vm/gh_test.go
View File

@ -77,11 +77,11 @@ func RunVmTest(p string, t *testing.T) {
tests := make(map[string]VmTest) tests := make(map[string]VmTest)
helper.CreateFileTests(t, p, &tests) helper.CreateFileTests(t, p, &tests)
helper.Logger.SetLogLevel(5) //helper.Logger.SetLogLevel(5)
for name, test := range tests { for name, test := range tests {
if name != "ABAcalls1" { // if name != "refund50_1" {
continue // continue
} // }
statedb := state.New(helper.NewTrie()) statedb := state.New(helper.NewTrie())
for addr, account := range test.Pre { for addr, account := range test.Pre {
obj := StateObjectFromAccount(addr, account) obj := StateObjectFromAccount(addr, account)