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authorPéter Szilágyi <peterke@gmail.com>2018-08-23 20:44:27 +0800
committerPéter Szilágyi <peterke@gmail.com>2018-08-23 20:44:27 +0800
commit1136269a79e6ee8bc97f5bf277bf8ec12286b79b (patch)
tree958598e13e11292c21896c105c649560c760ba5d /miner/unconfirmed.go
parent67d6d0bb7d0e9b18334d45e2d811f00746320d65 (diff)
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miner: differentiate between uncle and lost block
Diffstat (limited to 'miner/unconfirmed.go')
-rw-r--r--miner/unconfirmed.go35
1 files changed, 27 insertions, 8 deletions
diff --git a/miner/unconfirmed.go b/miner/unconfirmed.go
index 7a4fc7cc5..3eb29bc70 100644
--- a/miner/unconfirmed.go
+++ b/miner/unconfirmed.go
@@ -25,11 +25,14 @@ import (
"github.com/ethereum/go-ethereum/log"
)
-// headerRetriever is used by the unconfirmed block set to verify whether a previously
+// chainRetriever is used by the unconfirmed block set to verify whether a previously
// mined block is part of the canonical chain or not.
-type headerRetriever interface {
+type chainRetriever interface {
// GetHeaderByNumber retrieves the canonical header associated with a block number.
GetHeaderByNumber(number uint64) *types.Header
+
+ // GetBlockByNumber retrieves the canonical block associated with a block number.
+ GetBlockByNumber(number uint64) *types.Block
}
// unconfirmedBlock is a small collection of metadata about a locally mined block
@@ -44,14 +47,14 @@ type unconfirmedBlock struct {
// used by the miner to provide logs to the user when a previously mined block
// has a high enough guarantee to not be reorged out of the canonical chain.
type unconfirmedBlocks struct {
- chain headerRetriever // Blockchain to verify canonical status through
- depth uint // Depth after which to discard previous blocks
- blocks *ring.Ring // Block infos to allow canonical chain cross checks
- lock sync.RWMutex // Protects the fields from concurrent access
+ chain chainRetriever // Blockchain to verify canonical status through
+ depth uint // Depth after which to discard previous blocks
+ blocks *ring.Ring // Block infos to allow canonical chain cross checks
+ lock sync.RWMutex // Protects the fields from concurrent access
}
// newUnconfirmedBlocks returns new data structure to track currently unconfirmed blocks.
-func newUnconfirmedBlocks(chain headerRetriever, depth uint) *unconfirmedBlocks {
+func newUnconfirmedBlocks(chain chainRetriever, depth uint) *unconfirmedBlocks {
return &unconfirmedBlocks{
chain: chain,
depth: depth,
@@ -103,7 +106,23 @@ func (set *unconfirmedBlocks) Shift(height uint64) {
case header.Hash() == next.hash:
log.Info("🔗 block reached canonical chain", "number", next.index, "hash", next.hash)
default:
- log.Info("⑂ block became a side fork", "number", next.index, "hash", next.hash)
+ // Block is not canonical, check whether we have an uncle or a lost block
+ included := false
+ for number := next.index; !included && number < next.index+uint64(set.depth) && number <= height; number++ {
+ if block := set.chain.GetBlockByNumber(number); block != nil {
+ for _, uncle := range block.Uncles() {
+ if uncle.Hash() == next.hash {
+ included = true
+ break
+ }
+ }
+ }
+ }
+ if included {
+ log.Info("⑂ block became an uncle", "number", next.index, "hash", next.hash)
+ } else {
+ log.Info("😱 block lost", "number", next.index, "hash", next.hash)
+ }
}
// Drop the block out of the ring
if set.blocks.Value == set.blocks.Next().Value {