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core/state: access trie through Database interface, track errors (#14589)

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With this commit, core/state's access to the underlying key/value database is
mediated through an interface. Database errors are tracked in StateDB and
returned by CommitTo or the new Error method.

Motivation for this change: We can remove the light client's duplicated copy of
core/state. The light client now supports node iteration, so tracing and storage
enumeration can work with the light client (not implemented in this commit).
This commit is contained in:
Felix Lange
2017-06-27 15:57:06 +02:00
committed by GitHub
parent bb366271fe
commit 9e5f03b6c4
49 changed files with 810 additions and 1664 deletions
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4
core/vm/runtime/runtime.go
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@ -102,7 +102,7 @@ func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error) {
if cfg.State == nil {
db, _ := ethdb.NewMemDatabase()
cfg.State, _ = state.New(common.Hash{}, db)
cfg.State, _ = state.New(common.Hash{}, state.NewDatabase(db))
}
var (
address = common.StringToAddress("contract")
@ -133,7 +133,7 @@ func Create(input []byte, cfg *Config) ([]byte, common.Address, uint64, error) {
if cfg.State == nil {
db, _ := ethdb.NewMemDatabase()
cfg.State, _ = state.New(common.Hash{}, db)
cfg.State, _ = state.New(common.Hash{}, state.NewDatabase(db))
}
var (
vmenv = NewEnv(cfg, cfg.State)