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}
-}