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instantiate a new db with the same config as the chaindata db but without data

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This commit is contained in:
Tim Williams 2018-04-13 16:24:37 -04:00
parent fcc66a59ea
commit ec7775d2c8
2 changed files with 8 additions and 3 deletions
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4
core/blockchain.go
View file

@ -90,7 +90,7 @@ type BlockChain struct {
cacheConfig *CacheConfig // Cache configuration for pruning
db ethdb.Database // Low level persistent database to store final content in
blockExplorerDb int
blockExplorerDb ethdb.Database
triegc *prque.Prque // Priority queue mapping block numbers to tries to gc
gcproc time.Duration // Accumulates canonical block processing for trie dumping
@ -153,7 +153,7 @@ func NewBlockChain(db ethdb.Database, blockExplorerDb ethdb.Database, cacheConfi
chainConfig: chainConfig,
cacheConfig: cacheConfig,
db: db,
blockExplorerDb: 101,
blockExplorerDb: blockExplorerDb,
triegc: prque.New(),
stateCache: state.NewDatabase(db),
quit: make(chan struct{}),

7
eth/backend.go
View file

@ -115,7 +115,12 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
if err != nil {
return nil, err
}
// @NOTE:shyft instantiate BlockExplorerDB here?
blockExplorerDb, err := CreateDB(ctx, config, "blockExplorerDb")
if err != nil {
return nil, err
}
stopDbUpgrade := upgradeDeduplicateData(chainDb)
chainConfig, genesisHash, genesisErr := core.SetupGenesisBlock(chainDb, config.Genesis)
if _, ok := genesisErr.(*params.ConfigCompatError); genesisErr != nil && !ok {
@ -153,7 +158,7 @@ func New(ctx *node.ServiceContext, config *Config) (*Ethereum, error) {
vmConfig = vm.Config{EnablePreimageRecording: config.EnablePreimageRecording}
cacheConfig = &core.CacheConfig{Disabled: config.NoPruning, TrieNodeLimit: config.TrieCache, TrieTimeLimit: config.TrieTimeout}
)
eth.blockchain, err = core.NewBlockChain(chainDb, chainDb, cacheConfig, eth.chainConfig, eth.engine, vmConfig)
eth.blockchain, err = core.NewBlockChain(chainDb, blockExplorerDb, cacheConfig, eth.chainConfig, eth.engine, vmConfig)
if err != nil {
return nil, err
}