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cmd, eth: added light client and light server modes

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This commit is contained in:
zsfelfoldi
2016-01-13 19:35:48 +01:00
committed by Felix Lange
parent 9f8d192991
commit 7db7109a5b
17 changed files with 298 additions and 94 deletions
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18
eth/filters/api.go
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@ -52,6 +52,8 @@ type filter struct {
// PublicFilterAPI offers support to create and manage filters. This will allow external clients to retrieve various
// information related to the Ethereum protocol such als blocks, transactions and logs.
type PublicFilterAPI struct {
backend Backend
useMipMap bool
mux *event.TypeMux
quit chan struct{}
chainDb ethdb.Database
@ -316,7 +318,7 @@ func (api *PublicFilterAPI) NewFilter(crit FilterCriteria) rpc.ID {
// GetLogs returns logs matching the given argument that are stored within the state.
//
// https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_getlogs
func (api *PublicFilterAPI) GetLogs(crit FilterCriteria) []Log {
func (api *PublicFilterAPI) GetLogs(ctx context.Context, crit FilterCriteria) ([]Log, error) {
if crit.FromBlock == nil {
crit.FromBlock = big.NewInt(rpc.LatestBlockNumber.Int64())
}
@ -324,13 +326,14 @@ func (api *PublicFilterAPI) GetLogs(crit FilterCriteria) []Log {
crit.ToBlock = big.NewInt(rpc.LatestBlockNumber.Int64())
}
filter := New(api.chainDb)
filter := New(api.backend, api.useMipMap)
filter.SetBeginBlock(crit.FromBlock.Int64())
filter.SetEndBlock(crit.ToBlock.Int64())
filter.SetAddresses(crit.Addresses)
filter.SetTopics(crit.Topics)
return returnLogs(filter.Find())
logs, err := filter.Find(ctx)
return returnLogs(logs), err
}
// UninstallFilter removes the filter with the given filter id.
@ -354,22 +357,23 @@ func (api *PublicFilterAPI) UninstallFilter(id rpc.ID) bool {
// If the filter could not be found an empty array of logs is returned.
//
// https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_getfilterlogs
func (api *PublicFilterAPI) GetFilterLogs(id rpc.ID) []Log {
func (api *PublicFilterAPI) GetFilterLogs(ctx context.Context, id rpc.ID) ([]Log, error) {
api.filtersMu.Lock()
f, found := api.filters[id]
api.filtersMu.Unlock()
if !found || f.typ != LogsSubscription {
return []Log{}
return []Log{}, nil
}
filter := New(api.chainDb)
filter := New(api.backend, api.useMipMap)
filter.SetBeginBlock(f.crit.FromBlock.Int64())
filter.SetEndBlock(f.crit.ToBlock.Int64())
filter.SetAddresses(f.crit.Addresses)
filter.SetTopics(f.crit.Topics)
return returnLogs(filter.Find())
logs, err := filter.Find(ctx)
return returnLogs(logs), err
}
// GetFilterChanges returns the logs for the filter with the given id since