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authorPéter Szilágyi <peterke@gmail.com>2018-02-06 00:40:32 +0800
committerFelix Lange <fjl@users.noreply.github.com>2018-02-06 00:40:32 +0800
commit55599ee95d4151a2502465e0afc7c47bd1acba77 (patch)
tree4165e73ae852db4f025a5ed57f0bc499e87cb8b9 /accounts
parent59336283c0dbeb1d0a74ff7a8b717b2b3bb0cf40 (diff)
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core, trie: intermediate mempool between trie and database (#15857)
This commit reduces database I/O by not writing every state trie to disk.
Diffstat (limited to 'accounts')
-rw-r--r--accounts/abi/bind/backends/simulated.go14
1 files changed, 10 insertions, 4 deletions
diff --git a/accounts/abi/bind/backends/simulated.go b/accounts/abi/bind/backends/simulated.go
index 1803d3f23..bd342a8cb 100644
--- a/accounts/abi/bind/backends/simulated.go
+++ b/accounts/abi/bind/backends/simulated.go
@@ -68,7 +68,7 @@ func NewSimulatedBackend(alloc core.GenesisAlloc) *SimulatedBackend {
database, _ := ethdb.NewMemDatabase()
genesis := core.Genesis{Config: params.AllEthashProtocolChanges, Alloc: alloc}
genesis.MustCommit(database)
- blockchain, _ := core.NewBlockChain(database, genesis.Config, ethash.NewFaker(), vm.Config{})
+ blockchain, _ := core.NewBlockChain(database, nil, genesis.Config, ethash.NewFaker(), vm.Config{})
backend := &SimulatedBackend{
database: database,
@@ -102,8 +102,10 @@ func (b *SimulatedBackend) Rollback() {
func (b *SimulatedBackend) rollback() {
blocks, _ := core.GenerateChain(b.config, b.blockchain.CurrentBlock(), ethash.NewFaker(), b.database, 1, func(int, *core.BlockGen) {})
+ statedb, _ := b.blockchain.State()
+
b.pendingBlock = blocks[0]
- b.pendingState, _ = state.New(b.pendingBlock.Root(), state.NewDatabase(b.database))
+ b.pendingState, _ = state.New(b.pendingBlock.Root(), statedb.Database())
}
// CodeAt returns the code associated with a certain account in the blockchain.
@@ -309,8 +311,10 @@ func (b *SimulatedBackend) SendTransaction(ctx context.Context, tx *types.Transa
}
block.AddTx(tx)
})
+ statedb, _ := b.blockchain.State()
+
b.pendingBlock = blocks[0]
- b.pendingState, _ = state.New(b.pendingBlock.Root(), state.NewDatabase(b.database))
+ b.pendingState, _ = state.New(b.pendingBlock.Root(), statedb.Database())
return nil
}
@@ -386,8 +390,10 @@ func (b *SimulatedBackend) AdjustTime(adjustment time.Duration) error {
}
block.OffsetTime(int64(adjustment.Seconds()))
})
+ statedb, _ := b.blockchain.State()
+
b.pendingBlock = blocks[0]
- b.pendingState, _ = state.New(b.pendingBlock.Root(), state.NewDatabase(b.database))
+ b.pendingState, _ = state.New(b.pendingBlock.Root(), statedb.Database())
return nil
}