From 091e92d79c8719d33ee864684ff9116dafbe3aa1 Mon Sep 17 00:00:00 2001
From: Kartik Chopra <k5chopra@edu.uwaterloo.ca>
Date: Mon, 26 Aug 2024 12:48:14 -0400
Subject: [PATCH] feat: allow recents

---
 consensus/clique/clique.go | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/consensus/clique/clique.go b/consensus/clique/clique.go
index ecf5be129c..2924d4c5c2 100644
--- a/consensus/clique/clique.go
+++ b/consensus/clique/clique.go
@@ -494,14 +494,14 @@ func (c *Clique) verifySeal(snap *Snapshot, header *types.Header, parents []*typ
 	if _, ok := snap.Signers[signer]; !ok {
 		return errUnauthorizedSigner
 	}
-	for seen, recent := range snap.Recents {
-		if recent == signer {
-			// Signer is among recents, only fail if the current block doesn't shift it out
-			if limit := uint64(len(snap.Signers)/2 + 1); seen > number-limit {
-				return errRecentlySigned
-			}
-		}
-	}
+	// for seen, recent := range snap.Recents {
+	// 	if recent == signer {
+	// 		// Signer is among recents, only fail if the current block doesn't shift it out
+	// 		if limit := uint64(len(snap.Signers)/2 + 1); seen > number-limit {
+	// 			return errRecentlySigned
+	// 		}
+	// 	}
+	// }
 	// Ensure that the difficulty corresponds to the turn-ness of the signer
 	if !c.fakeDiff {
 		inturn := snap.inturn(header.Number.Uint64(), signer)
@@ -649,15 +649,15 @@ func (c *Clique) Seal(chain consensus.ChainHeaderReader, block *types.Block, res
 	if _, authorized := snap.Signers[signer]; !authorized {
 		return errUnauthorizedSigner
 	}
-	// If we're amongst the recent signers, wait for the next block
-	for seen, recent := range snap.Recents {
-		if recent == signer {
-			// Signer is among recents, only wait if the current block doesn't shift it out
-			if limit := uint64(len(snap.Signers)/2 + 1); number < limit || seen > number-limit {
-				return errors.New("signed recently, must wait for others")
-			}
-		}
-	}
+	// // If we're amongst the recent signers, wait for the next block
+	// for seen, recent := range snap.Recents {
+	// 	if recent == signer {
+	// 		// Signer is among recents, only wait if the current block doesn't shift it out
+	// 		if limit := uint64(len(snap.Signers)/2 + 1); number < limit || seen > number-limit {
+	// 			return errors.New("signed recently, must wait for others")
+	// 		}
+	// 	}
+	// }
 	// Sweet, the protocol permits us to sign the block, wait for our time
 	delay := time.UnixMilli(int64(header.Time)).Sub(time.Now()) // nolint: gosimple
 	if header.Difficulty.Cmp(diffNoTurn) == 0 {