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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
tests/block_test_util.go
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@ -204,7 +204,7 @@ func runBlockTest(homesteadBlock, daoForkBlock, gasPriceFork *big.Int, test *Blo
// InsertPreState populates the given database with the genesis
// accounts defined by the test.
func (t *BlockTest) InsertPreState(db ethdb.Database) (*state.StateDB, error) {
statedb, err := state.New(common.Hash{}, db)
statedb, err := state.New(common.Hash{}, state.NewDatabase(db))
if err != nil {
return nil, err
}
@ -232,7 +232,7 @@ func (t *BlockTest) InsertPreState(db ethdb.Database) (*state.StateDB, error) {
}
}
root, err := statedb.Commit(false)
root, err := statedb.CommitTo(db, false)
if err != nil {
return nil, fmt.Errorf("error writing state: %v", err)
}