Peer.Head

	Source (upstream pre-purge)	Current
File	eth/protocols/eth/peer.go	peer_pow.go
Symbol	Peer.Head	Peer.Head
Ref	f4d53133f~1	etc/v1.17.3-full-node

3-way merge — purge → getc ← upstream

pre-purge≈ adapted (origin inferred by similarity)

↗// Head retrieves the current head hash and total difficulty of the peer.

func (p *Peer) Head() (hash common.Hash, td *big.Int) {

≈ p.powExt.lock.RLock()

defer p.powExt.lock.RUnlock()

≈ copy(hash[:], p.powExt.head[:])

return hash, new(big.Int).Set(p.powExt.td)

↗}

core-geth validation — +5 -5

| | | |---|---| | File | [`peer.go`](https://github.com/etclabscore/core-geth/blob/v1.12.20/eth/protocols/eth/peer.go) | | Symbol | `Peer.Head` | | Ref | `v1.12.20` |

--- a/core-geth/eth/protocols/eth/peer.go
+++ b/etc/eth/protocols/eth/peer_pow.go
@@ -1,8 +1,8 @@
 // Head retrieves the current head hash and total difficulty of the peer.
-func (p *Peer) Head() (hash common.Hash, td, blockDifficulty *big.Int) {
-   p.lock.RLock()
-   defer p.lock.RUnlock()
+func (p *Peer) Head() (hash common.Hash, td *big.Int) {
+   p.powExt.lock.RLock()
+   defer p.powExt.lock.RUnlock()

-   copy(hash[:], p.head[:])
-   return hash, new(big.Int).Set(p.td), new(big.Int).Set(p.blockDifficulty)
+   copy(hash[:], p.powExt.head[:])
+   return hash, new(big.Int).Set(p.powExt.td)
 }

← eth Protocol