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core: improve getBadBlocks to return full block rlp (#16902)

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* core: improve getBadBlocks to return full block rlp

* core, eth, ethapi: changes to getBadBlocks formatting

* ethapi: address review concerns
This commit is contained in:
Martin Holst Swende 2018-06-11 10:03:40 +02:00 committed by Péter Szilágyi
parent 69c52bde3f
commit eac16f9824
3 changed files with 48 additions and 21 deletions
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20
core/blockchain.go
View File

@ -1392,27 +1392,21 @@ func (bc *BlockChain) update() {
}
}
// BadBlockArgs represents the entries in the list returned when bad blocks are queried.
type BadBlockArgs struct {
Hash common.Hash `json:"hash"`
Header *types.Header `json:"header"`
}
// BadBlocks returns a list of the last 'bad blocks' that the client has seen on the network
func (bc *BlockChain) BadBlocks() ([]BadBlockArgs, error) {
headers := make([]BadBlockArgs, 0, bc.badBlocks.Len())
func (bc *BlockChain) BadBlocks() []*types.Block {
blocks := make([]*types.Block, 0, bc.badBlocks.Len())
for _, hash := range bc.badBlocks.Keys() {
if hdr, exist := bc.badBlocks.Peek(hash); exist {
header := hdr.(*types.Header)
headers = append(headers, BadBlockArgs{header.Hash(), header})
if blk, exist := bc.badBlocks.Peek(hash); exist {
block := blk.(*types.Block)
blocks = append(blocks, block)
}
}
return headers, nil
return blocks
}
// addBadBlock adds a bad block to the bad-block LRU cache
func (bc *BlockChain) addBadBlock(block *types.Block) {
bc.badBlocks.Add(block.Header().Hash(), block.Header())
bc.badBlocks.Add(block.Hash(), block)
}
// reportBlock logs a bad block error.

29
eth/api.go
View File

@ -32,6 +32,7 @@ import (
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/internal/ethapi"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/miner"
"github.com/ethereum/go-ethereum/params"
@ -351,10 +352,34 @@ func (api *PrivateDebugAPI) Preimage(ctx context.Context, hash common.Hash) (hex
return nil, errors.New("unknown preimage")
}
// BadBlockArgs represents the entries in the list returned when bad blocks are queried.
type BadBlockArgs struct {
Hash common.Hash `json:"hash"`
Block map[string]interface{} `json:"block"`
RLP string `json:"rlp"`
}
// GetBadBLocks returns a list of the last 'bad blocks' that the client has seen on the network
// and returns them as a JSON list of block-hashes
func (api *PrivateDebugAPI) GetBadBlocks(ctx context.Context) ([]core.BadBlockArgs, error) {
return api.eth.BlockChain().BadBlocks()
func (api *PrivateDebugAPI) GetBadBlocks(ctx context.Context) ([]*BadBlockArgs, error) {
blocks := api.eth.BlockChain().BadBlocks()
results := make([]*BadBlockArgs, len(blocks))
var err error
for i, block := range blocks {
results[i] = &BadBlockArgs{
Hash: block.Hash(),
}
if rlpBytes, err := rlp.EncodeToBytes(block); err != nil {
results[i].RLP = err.Error() // Hacky, but hey, it works
} else {
results[i].RLP = fmt.Sprintf("0x%x", rlpBytes)
}
if results[i].Block, err = ethapi.RPCMarshalBlock(block, true, true); err != nil {
results[i].Block = map[string]interface{}{"error": err.Error()}
}
}
return results, nil
}
// StorageRangeResult is the result of a debug_storageRangeAt API call.

20
internal/ethapi/api.go
View File

@ -792,10 +792,10 @@ func FormatLogs(logs []vm.StructLog) []StructLogRes {
return formatted
}
// rpcOutputBlock converts the given block to the RPC output which depends on fullTx. If inclTx is true transactions are
// RPCMarshalBlock converts the given block to the RPC output which depends on fullTx. If inclTx is true transactions are
// returned. When fullTx is true the returned block contains full transaction details, otherwise it will only contain
// transaction hashes.
func (s *PublicBlockChainAPI) rpcOutputBlock(b *types.Block, inclTx bool, fullTx bool) (map[string]interface{}, error) {
func RPCMarshalBlock(b *types.Block, inclTx bool, fullTx bool) (map[string]interface{}, error) {
head := b.Header() // copies the header once
fields := map[string]interface{}{
"number": (*hexutil.Big)(head.Number),
@ -808,7 +808,6 @@ func (s *PublicBlockChainAPI) rpcOutputBlock(b *types.Block, inclTx bool, fullTx
"stateRoot": head.Root,
"miner": head.Coinbase,
"difficulty": (*hexutil.Big)(head.Difficulty),
"totalDifficulty": (*hexutil.Big)(s.b.GetTd(b.Hash())),
"extraData": hexutil.Bytes(head.Extra),
"size": hexutil.Uint64(b.Size()),
"gasLimit": hexutil.Uint64(head.GasLimit),
@ -822,17 +821,15 @@ func (s *PublicBlockChainAPI) rpcOutputBlock(b *types.Block, inclTx bool, fullTx
formatTx := func(tx *types.Transaction) (interface{}, error) {
return tx.Hash(), nil
}
if fullTx {
formatTx = func(tx *types.Transaction) (interface{}, error) {
return newRPCTransactionFromBlockHash(b, tx.Hash()), nil
}
}
txs := b.Transactions()
transactions := make([]interface{}, len(txs))
var err error
for i, tx := range b.Transactions() {
for i, tx := range txs {
if transactions[i], err = formatTx(tx); err != nil {
return nil, err
}
@ -850,6 +847,17 @@ func (s *PublicBlockChainAPI) rpcOutputBlock(b *types.Block, inclTx bool, fullTx
return fields, nil
}
// rpcOutputBlock uses the generalized output filler, then adds the total difficulty field, which requires
// a `PublicBlockchainAPI`.
func (s *PublicBlockChainAPI) rpcOutputBlock(b *types.Block, inclTx bool, fullTx bool) (map[string]interface{}, error) {
fields, err := RPCMarshalBlock(b, inclTx, fullTx)
if err != nil {
return nil, err
}
fields["totalDifficulty"] = (*hexutil.Big)(s.b.GetTd(b.Hash()))
return fields, err
}
// RPCTransaction represents a transaction that will serialize to the RPC representation of a transaction
type RPCTransaction struct {
BlockHash common.Hash `json:"blockHash"`