cerc-io/laconicd
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More error checking, but still does not work

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This commit is contained in:
Alexey Akhunov 2018-06-20 05:49:52 +01:00
parent f84b84f9cf
commit 34288a91c9
1 changed files with 38 additions and 14 deletions
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52
main.go
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@ -45,6 +45,7 @@ type OurDatabase struct {
codeDb dbm.DB // Mapping [codeHash] -> <code>
addrPreimageDb dbm.DB // Mapping [contract_address_hash] -> <contract_address>
cdc *amino.Codec // Amino codec to encode the values forthe lookupDb
tracing bool
}
func OurNewDatabase(stateDb, lookupDb, addrPreimageDb, codeDb dbm.DB) (*OurDatabase, error) {
@ -64,7 +65,8 @@ func OurNewDatabase(stateDb, lookupDb, addrPreimageDb, codeDb dbm.DB) (*OurDatab
func (od *OurDatabase) OpenTrie(root eth_common.Hash) (eth_state.Trie, error) {
// Look up version id to use
if root != (eth_common.Hash{}) {
hasData := root != (eth_common.Hash{})
if hasData {
val := od.lookupDb.Get(root[:])
if val == nil {
return nil, fmt.Errorf("Could not find version with root hash %x", root[:])
@ -74,14 +76,20 @@ func (od *OurDatabase) OpenTrie(root eth_common.Hash) (eth_state.Trie, error) {
if err != nil {
return nil, err
}
od.stateStore.LoadVersion(versionId)
if od.tracing {
fmt.Printf("Loading version %d\n", versionId)
}
if err := od.stateStore.LoadVersion(versionId); err != nil {
return nil, err
}
}
st := od.stateStore.GetCommitKVStore(AccountsKey)
return &OurTrie{od: od, st: st, prefix: nil}, nil
return &OurTrie{od: od, st: st, prefix: nil, hasData: hasData}, nil
}
func (od *OurDatabase) OpenStorageTrie(addrHash, root eth_common.Hash) (eth_state.Trie, error) {
if root != (eth_common.Hash{}) {
hasData := root != (eth_common.Hash{})
if hasData {
val := od.lookupDb.Get(root[:])
if val == nil {
return nil, fmt.Errorf("Could not find version with root hash %x", root[:])
@ -91,11 +99,14 @@ func (od *OurDatabase) OpenStorageTrie(addrHash, root eth_common.Hash) (eth_stat
if err != nil {
return nil, err
}
od.stateStore.LoadVersion(versionId) // This might not be required,
// we just need to check that accounts and storage are consistent
// This might not be required,
// we just need to check that accounts and storage are consistent
if err := od.stateStore.LoadVersion(versionId); err != nil {
return nil, err
}
}
st := od.stateStore.GetCommitKVStore(StorageKey)
return &OurTrie{od:od, st: st, prefix: addrHash[:]}, nil
return &OurTrie{od:od, st: st, prefix: addrHash[:], hasData: hasData}, nil
}
func (od *OurDatabase) CopyTrie(eth_state.Trie) eth_state.Trie {
@ -122,6 +133,7 @@ type OurTrie struct {
// This is essentially part of the KVStore for a specific prefix
st store.CommitKVStore
prefix []byte
hasData bool
}
func (ot *OurTrie) makePrefix(key []byte) []byte {
@ -139,6 +151,7 @@ func (ot *OurTrie) TryGet(key []byte) ([]byte, error) {
}
func (ot *OurTrie) TryUpdate(key, value []byte) error {
ot.hasData = true
if ot.prefix == nil {
ot.st.Set(key, value)
return nil
@ -157,7 +170,11 @@ func (ot *OurTrie) TryDelete(key []byte) error {
}
func (ot *OurTrie) Commit(onleaf eth_trie.LeafCallback) (eth_common.Hash, error) {
if !ot.hasData {
return eth_common.Hash{}, nil
}
commitId := ot.st.Commit()
fmt.Printf("Committed version %d\n", commitId.Version)
var hash eth_common.Hash
copy(hash[:], commitId.Hash)
b, err := ot.od.cdc.MarshalBinary(commitId.Version)
@ -231,6 +248,8 @@ func main() {
n := 0
var root500 eth_common.Hash // Root hash after block 500
var root501 eth_common.Hash // Root hash after block 501
prev_root := genesis_root
d.tracing = true
for {
if err = stream.Decode(&block); err == io.EOF {
err = nil // Clear it
@ -243,18 +262,22 @@ func main() {
continue
}
header := block.Header()
statedb, err = eth_state.New(prev_root, d)
if err != nil {
panic(fmt.Errorf("at block %d: %v", n, err))
}
// Apply mining rewards to the statedb
accumulateRewards(chainConfig, statedb, header, block.Uncles())
// Commit block
root, err := statedb.Commit(chainConfig.IsEIP158(block.Number()) /* deleteEmptyObjects */)
prev_root, err := statedb.Commit(chainConfig.IsEIP158(block.Number()) /* deleteEmptyObjects */)
if err != nil {
panic(err)
panic(fmt.Errorf("at block %d: %v", n, err))
}
switch n {
case 500:
root500 = root
case 501:
root501 = root
switch block.NumberU64() {
case 1:
root500 = prev_root
case 502:
root501 = prev_root
}
n++
if n >= 1000 {
@ -262,6 +285,7 @@ func main() {
}
}
fmt.Printf("Processed %d blocks\n", n)
d.tracing = true
genesis_state, err := eth_state.New(genesis_root, d)
fmt.Printf("Balance of one of the genesis investors: %s\n", genesis_state.GetBalance(eth_common.HexToAddress("0x756F45E3FA69347A9A973A725E3C98bC4db0b5a0")))
miner501 := eth_common.HexToAddress("0x35e8e5dC5FBd97c5b421A80B596C030a2Be2A04D") // Miner of the block 501