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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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2
core/genesis.go
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@ -176,7 +176,7 @@ func (g *Genesis) configOrDefault(ghash common.Hash) *params.ChainConfig {
// ToBlock creates the block and state of a genesis specification.
func (g *Genesis) ToBlock() (*types.Block, *state.StateDB) {
db, _ := ethdb.NewMemDatabase()
statedb, _ := state.New(common.Hash{}, db)
statedb, _ := state.New(common.Hash{}, state.NewDatabase(db))
for addr, account := range g.Alloc {
statedb.AddBalance(addr, account.Balance)
statedb.SetCode(addr, account.Code)