Peer.SetHead¶

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

3-way merge — purge → getc ← upstream¶

pre-purge≈ adapted (origin inferred by similarity)

↗// SetHead updates the head hash and total difficulty of the peer.

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

≈ p.powExt.lock.Lock()

defer p.powExt.lock.Unlock()

≈ copy(p.powExt.head[:], hash[:])

p.powExt.td.Set(td)

↗}

core-geth validation — +5 -6

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

--- a/core-geth/eth/protocols/eth/peer.go
+++ b/etc/eth/protocols/eth/peer_pow.go
@@ -1,9 +1,8 @@
 // SetHead updates the head hash and total difficulty of the peer.
-func (p *Peer) SetHead(hash common.Hash, td, blockDifficulty *big.Int) {
-   p.lock.Lock()
-   defer p.lock.Unlock()
+func (p *Peer) SetHead(hash common.Hash, td *big.Int) {
+   p.powExt.lock.Lock()
+   defer p.powExt.lock.Unlock()

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

← eth Protocol