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authorDeterminant <[email protected]>2019-09-26 22:19:04 -0400
committerDeterminant <[email protected]>2019-09-26 22:19:04 -0400
commitf3f0b274f2b8aad466b51448f2fbd2d2b8a4d1db (patch)
tree8b758b3c0d89cadcf9021acf0db206ab215d2663
parenta96fc7a942fb6f0a9da5b5bf9c84a98af42a24dc (diff)
expose the database interface
-rw-r--r--coreth.go7
-rw-r--r--eth/backend.go13
-rw-r--r--examples/chain/main.go2
3 files changed, 13 insertions, 9 deletions
diff --git a/coreth.go b/coreth.go
index 4bb0ae8..04d782f 100644
--- a/coreth.go
+++ b/coreth.go
@@ -14,6 +14,7 @@ import (
"github.com/ava-labs/go-ethereum/core/state"
"github.com/ava-labs/go-ethereum/core/types"
"github.com/ava-labs/go-ethereum/crypto"
+ "github.com/ava-labs/go-ethereum/ethdb"
"github.com/ava-labs/go-ethereum/event"
"github.com/ava-labs/go-ethereum/log"
"github.com/ava-labs/go-ethereum/rpc"
@@ -34,7 +35,7 @@ func isLocalBlock(block *types.Block) bool {
return false
}
-func NewETHChain(config *eth.Config, nodecfg *node.Config, etherBase *common.Address) *ETHChain {
+func NewETHChain(config *eth.Config, nodecfg *node.Config, etherBase *common.Address, chainDB ethdb.Database) *ETHChain {
if config == nil {
config = &eth.DefaultConfig
}
@@ -47,11 +48,11 @@ func NewETHChain(config *eth.Config, nodecfg *node.Config, etherBase *common.Add
panic(err)
}
if ep != "" {
- log.Info(fmt.Sprintf("ephemeral = %s", ep))
+ log.Info(fmt.Sprintf("temporary keystore = %s", ep))
}
cb := new(dummy.ConsensusCallbacks)
mcb := new(miner.MinerCallbacks)
- backend, _ := eth.New(&ctx, config, cb, mcb)
+ backend, _ := eth.New(&ctx, config, cb, mcb, chainDB)
chain := &ETHChain{backend: backend, cb: cb, mcb: mcb}
if etherBase == nil {
etherBase = &common.Address{
diff --git a/eth/backend.go b/eth/backend.go
index 4281d96..d119e89 100644
--- a/eth/backend.go
+++ b/eth/backend.go
@@ -119,7 +119,7 @@ func (s *Ethereum) SetContractBackend(backend bind.ContractBackend) {
// New creates a new Ethereum object (including the
// initialisation of the common Ethereum object)
-func New(ctx *node.ServiceContext, config *Config, cb *dummy.ConsensusCallbacks, mcb *miner.MinerCallbacks) (*Ethereum, error) {
+func New(ctx *node.ServiceContext, config *Config, cb *dummy.ConsensusCallbacks, mcb *miner.MinerCallbacks, chainDb ethdb.Database) (*Ethereum, error) {
// Ensure configuration values are compatible and sane
if config.SyncMode == downloader.LightSync {
return nil, errors.New("can't run eth.Ethereum in light sync mode, use les.LightEthereum")
@@ -137,10 +137,13 @@ func New(ctx *node.ServiceContext, config *Config, cb *dummy.ConsensusCallbacks,
}
log.Info("Allocated trie memory caches", "clean", common.StorageSize(config.TrieCleanCache)*1024*1024, "dirty", common.StorageSize(config.TrieDirtyCache)*1024*1024)
- // Assemble the Ethereum object
- chainDb, err := ctx.OpenDatabaseWithFreezer("chaindata", config.DatabaseCache, config.DatabaseHandles, config.DatabaseFreezer, "eth/db/chaindata/")
- if err != nil {
- return nil, err
+ var err error
+ if chainDb == nil {
+ // Assemble the Ethereum object
+ chainDb, err = ctx.OpenDatabaseWithFreezer("chaindata", config.DatabaseCache, config.DatabaseHandles, config.DatabaseFreezer, "eth/db/chaindata/")
+ if err != nil {
+ return nil, err
+ }
}
chainConfig, genesisHash, genesisErr := mycore.SetupGenesisBlock(chainDb, config.Genesis)
if _, ok := genesisErr.(*params.ConfigCompatError); genesisErr != nil && !ok {
diff --git a/examples/chain/main.go b/examples/chain/main.go
index 92350d3..d129acb 100644
--- a/examples/chain/main.go
+++ b/examples/chain/main.go
@@ -47,7 +47,7 @@ func NewTestChain(name string, config *eth.Config,
hasBlock: make(map[common.Hash]struct{}),
blocks: make([]common.Hash, 0),
blkCount: 0,
- chain: coreth.NewETHChain(config, nil, nil),
+ chain: coreth.NewETHChain(config, nil, nil, nil),
outBlockCh: outBlockCh,
}
tc.insertBlock(tc.chain.GetGenesisBlock())