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core: initial version of state snapshots

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This commit is contained in:
Péter Szilágyi
2019-08-06 13:40:28 +03:00
parent 2a5ed1a1d3
commit 542df8898e
30 changed files with 1635 additions and 85 deletions
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4
tests/state_test_util.go
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@ -206,7 +206,7 @@ func (t *StateTest) gasLimit(subtest StateSubtest) uint64 {
func MakePreState(db ethdb.Database, accounts core.GenesisAlloc) *state.StateDB {
sdb := state.NewDatabase(db)
statedb, _ := state.New(common.Hash{}, sdb)
statedb, _ := state.New(common.Hash{}, sdb, nil)
for addr, a := range accounts {
statedb.SetCode(addr, a.Code)
statedb.SetNonce(addr, a.Nonce)
@ -217,7 +217,7 @@ func MakePreState(db ethdb.Database, accounts core.GenesisAlloc) *state.StateDB
}
// Commit and re-open to start with a clean state.
root, _ := statedb.Commit(false)
statedb, _ = state.New(root, sdb)
statedb, _ = state.New(root, sdb, nil)
return statedb
}