aboutsummaryrefslogtreecommitdiffstats
path: root/state/managed_state.go
diff options
context:
space:
mode:
authorobscuren <geffobscura@gmail.com>2015-03-23 23:59:09 +0800
committerobscuren <geffobscura@gmail.com>2015-03-23 23:59:09 +0800
commit0330077d76b48934ab024a309000f83c78047d8a (patch)
tree2a3ffbcd5bd941b30ed28d0eb5c30553a25324e0 /state/managed_state.go
parentd7eaa97a297151637af090ecb05bbd6d260d90b8 (diff)
downloadgo-tangerine-0330077d76b48934ab024a309000f83c78047d8a.tar
go-tangerine-0330077d76b48934ab024a309000f83c78047d8a.tar.gz
go-tangerine-0330077d76b48934ab024a309000f83c78047d8a.tar.bz2
go-tangerine-0330077d76b48934ab024a309000f83c78047d8a.tar.lz
go-tangerine-0330077d76b48934ab024a309000f83c78047d8a.tar.xz
go-tangerine-0330077d76b48934ab024a309000f83c78047d8a.tar.zst
go-tangerine-0330077d76b48934ab024a309000f83c78047d8a.zip
moved state and vm to core
Diffstat (limited to 'state/managed_state.go')
-rw-r--r--state/managed_state.go89
1 files changed, 0 insertions, 89 deletions
diff --git a/state/managed_state.go b/state/managed_state.go
deleted file mode 100644
index 0fcc1be67..000000000
--- a/state/managed_state.go
+++ /dev/null
@@ -1,89 +0,0 @@
-package state
-
-import (
- "sync"
-
- "github.com/ethereum/go-ethereum/common"
-)
-
-type account struct {
- stateObject *StateObject
- nstart uint64
- nonces []bool
-}
-
-type ManagedState struct {
- *StateDB
-
- mu sync.RWMutex
-
- accounts map[string]*account
-}
-
-func ManageState(statedb *StateDB) *ManagedState {
- return &ManagedState{
- StateDB: statedb,
- accounts: make(map[string]*account),
- }
-}
-
-func (ms *ManagedState) SetState(statedb *StateDB) {
- ms.mu.Lock()
- defer ms.mu.Unlock()
- ms.StateDB = statedb
-}
-
-func (ms *ManagedState) RemoveNonce(addr common.Address, n uint64) {
- if ms.hasAccount(addr) {
- ms.mu.Lock()
- defer ms.mu.Unlock()
-
- account := ms.getAccount(addr)
- if n-account.nstart <= uint64(len(account.nonces)) {
- reslice := make([]bool, n-account.nstart)
- copy(reslice, account.nonces[:n-account.nstart])
- account.nonces = reslice
- }
- }
-}
-
-func (ms *ManagedState) NewNonce(addr common.Address) uint64 {
- ms.mu.RLock()
- defer ms.mu.RUnlock()
-
- account := ms.getAccount(addr)
- for i, nonce := range account.nonces {
- if !nonce {
- return account.nstart + uint64(i)
- }
- }
- account.nonces = append(account.nonces, true)
- return uint64(len(account.nonces)) + account.nstart
-}
-
-func (ms *ManagedState) hasAccount(addr common.Address) bool {
- _, ok := ms.accounts[addr.Str()]
- return ok
-}
-
-func (ms *ManagedState) getAccount(addr common.Address) *account {
- straddr := addr.Str()
- if account, ok := ms.accounts[straddr]; !ok {
- so := ms.GetOrNewStateObject(addr)
- ms.accounts[straddr] = newAccount(so)
- } else {
- // Always make sure the state account nonce isn't actually higher
- // than the tracked one.
- so := ms.StateDB.GetStateObject(addr)
- if so != nil && uint64(len(account.nonces))+account.nstart < so.nonce {
- ms.accounts[straddr] = newAccount(so)
- }
-
- }
-
- return ms.accounts[straddr]
-}
-
-func newAccount(so *StateObject) *account {
- return &account{so, so.nonce - 1, nil}
-}