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accounts, eth, les: blockhash based filtering on all code paths

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This commit is contained in:
Péter Szilágyi
2018-07-12 17:36:07 +03:00
parent 96339daf40
commit e1f1d3085c
8 changed files with 136 additions and 72 deletions
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62
eth/filters/api.go
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@ -28,7 +28,6 @@ import (
ethereum "github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
@ -325,36 +324,26 @@ func (api *PublicFilterAPI) NewFilter(crit FilterCriteria) (rpc.ID, error) {
//
// https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_getlogs
func (api *PublicFilterAPI) GetLogs(ctx context.Context, crit FilterCriteria) ([]*types.Log, error) {
var (
fromBlock int64
toBlock int64
)
var filter *Filter
if crit.BlockHash != nil {
// look up block number from block hash
if block := rawdb.ReadHeaderNumber(api.chainDb, *crit.BlockHash); block != nil {
// verify block is part of canonical chain
if canonical := rawdb.ReadCanonicalHash(api.chainDb, *block); canonical != *crit.BlockHash {
return nil, fmt.Errorf("Block with hash %s was removed from canonical chain", crit.BlockHash.Hex())
}
fromBlock = int64(*block)
toBlock = fromBlock
} else {
return nil, fmt.Errorf("Block with hash %s was not found", crit.BlockHash.Hex())
}
// Block filter requested, construct a single-shot filter
filter = NewBlockFilter(api.backend, *crit.BlockHash, crit.Addresses, crit.Topics)
} else {
// Convert the RPC block numbers into internal representations
var (
begin int64
end int64
)
if crit.FromBlock == nil {
fromBlock = int64(rpc.LatestBlockNumber)
begin = int64(rpc.LatestBlockNumber)
}
if crit.ToBlock == nil {
toBlock = int64(rpc.LatestBlockNumber)
end = int64(rpc.LatestBlockNumber)
}
// Construct the range filter
filter = NewRangeFilter(api.backend, begin, end, crit.Addresses, crit.Topics)
}
// Create and run the filter to get all the logs
filter := New(api.backend, fromBlock, toBlock, crit.Addresses, crit.Topics)
// Run the filter and return all the logs
logs, err := filter.Logs(ctx)
if err != nil {
return nil, err
@ -392,17 +381,24 @@ func (api *PublicFilterAPI) GetFilterLogs(ctx context.Context, id rpc.ID) ([]*ty
return nil, fmt.Errorf("filter not found")
}
begin := rpc.LatestBlockNumber.Int64()
if f.crit.FromBlock != nil {
begin = f.crit.FromBlock.Int64()
var filter *Filter
if f.crit.BlockHash != nil {
// Block filter requested, construct a single-shot filter
filter = NewBlockFilter(api.backend, *f.crit.BlockHash, f.crit.Addresses, f.crit.Topics)
} else {
// Convert the RPC block numbers into internal representations
begin := rpc.LatestBlockNumber.Int64()
if f.crit.FromBlock != nil {
begin = f.crit.FromBlock.Int64()
}
end := rpc.LatestBlockNumber.Int64()
if f.crit.ToBlock != nil {
end = f.crit.ToBlock.Int64()
}
// Construct the range filter
filter = NewRangeFilter(api.backend, begin, end, f.crit.Addresses, f.crit.Topics)
}
end := rpc.LatestBlockNumber.Int64()
if f.crit.ToBlock != nil {
end = f.crit.ToBlock.Int64()
}
// Create and run the filter to get all the logs
filter := New(api.backend, begin, end, f.crit.Addresses, f.crit.Topics)
// Run the filter and return all the logs
logs, err := filter.Logs(ctx)
if err != nil {
return nil, err