Merge pull request #6681 from ethereum-optimism/aj/cannon-e2e-moves

op-e2e: Update cannon e2e test to execute moves down to the max depth

op-e2e/e2eutils/disputegame/cannon_helper.go

@@ -27,7 +27,7 @@ func (g *CannonGameHelper) StartChallenger(ctx context.Context, rollupCfg *rollu
 			c.CannonDatadir = g.t.TempDir()
 			c.CannonServer = "../op-program/bin/op-program"
 			c.CannonAbsolutePreState = "../op-program/bin/prestate.json"
-			c.CannonSnapshotFreq = config.DefaultCannonSnapshotFreq
+			c.CannonSnapshotFreq = 10_000_000
 
 			genesisBytes, err := json.Marshal(l2Genesis)
 			g.require.NoError(err, "marshall l2 genesis config")

op-e2e/e2eutils/disputegame/game_helper.go

@@ -22,7 +22,6 @@ type FaultGameHelper struct {
 	client  *ethclient.Client
 	opts    *bind.TransactOpts
 	game    *bindings.FaultDisputeGame
-	maxDepth int
 	addr    common.Address
 }
 
@@ -54,6 +53,12 @@ type ContractClaim struct {
 	Clock       *big.Int
 }
 
+func (g *FaultGameHelper) MaxDepth(ctx context.Context) int64 {
+	depth, err := g.game.MAXGAMEDEPTH(&bind.CallOpts{Context: ctx})
+	g.require.NoError(err, "Failed to load game depth")
+	return depth.Int64()
+}
+
 func (g *FaultGameHelper) WaitForClaim(ctx context.Context, predicate func(claim ContractClaim) bool) {
 	ctx, cancel := context.WithTimeout(ctx, time.Minute)
 	defer cancel()
@@ -78,9 +83,10 @@ func (g *FaultGameHelper) WaitForClaim(ctx context.Context, predicate func(claim
 }
 
 func (g *FaultGameHelper) WaitForClaimAtMaxDepth(ctx context.Context, countered bool) {
+	maxDepth := g.MaxDepth(ctx)
 	g.WaitForClaim(ctx, func(claim ContractClaim) bool {
 		pos := types.NewPositionFromGIndex(claim.Position.Uint64())
-		return pos.Depth() == g.maxDepth && claim.Countered == countered
+		return int64(pos.Depth()) == maxDepth && claim.Countered == countered
 	})
 }
 
@@ -109,3 +115,10 @@ func (g *FaultGameHelper) WaitForGameStatus(ctx context.Context, expected Status
 	})
 	g.require.NoError(err, "wait for game status")
 }
+
+func (g *FaultGameHelper) Attack(ctx context.Context, claimIdx int64, claim common.Hash) {
+	tx, err := g.game.Attack(g.opts, big.NewInt(claimIdx), claim)
+	g.require.NoError(err, "Attack transaction did not send")
+	_, err = utils.WaitReceiptOK(ctx, g.client, tx.Hash())
+	g.require.NoError(err, "Attack transaction was not OK")
+}

op-e2e/e2eutils/disputegame/helper.go

@@ -22,7 +22,6 @@ import (
 const alphabetGameType uint8 = 0
 const cannonGameType uint8 = 1
 const alphabetGameDepth = 4
-const cannonGameDepth = 64
 const lastAlphabetTraceIndex = 1<<alphabetGameDepth - 1
 
 type Status uint8
@@ -114,7 +113,6 @@ func (h *FactoryHelper) StartAlphabetGame(ctx context.Context, claimedAlphabet s
 			client:  h.client,
 			opts:    h.opts,
 			game:    game,
-			maxDepth: alphabetGameDepth,
 			addr:    createdEvent.DisputeProxy,
 		},
 		claimedAlphabet: claimedAlphabet,
@@ -148,7 +146,6 @@ func (h *FactoryHelper) StartCannonGame(ctx context.Context, rootClaim common.Ha
 			client:  h.client,
 			opts:    h.opts,
 			game:    game,
-			maxDepth: cannonGameDepth,
 			addr:    createdEvent.DisputeProxy,
 		},
 	}

op-e2e/faultproof_test.go

@@ -160,8 +160,18 @@ func TestCannonDisputeGame(t *testing.T) {
 		c.TxMgrConfig.PrivateKey = e2eutils.EncodePrivKeyToString(sys.cfg.Secrets.Alice)
 	})
 
-	// Challenger should counter the root claim
-	game.WaitForClaimCount(ctx, 2)
+	maxDepth := game.MaxDepth(ctx)
+	for claimCount := int64(1); claimCount < maxDepth; {
+		claimCount++
+		// Wait for the challenger to counter
+		game.WaitForClaimCount(ctx, claimCount)
+
+		// Post our own counter to the latest challenger claim
+		game.Attack(ctx, claimCount-1, common.Hash{byte(claimCount)})
+		claimCount++
+		game.WaitForClaimCount(ctx, claimCount)
+	}
+	game.WaitForClaimAtMaxDepth(ctx, false)
 
 	sys.TimeTravelClock.AdvanceTime(game.GameDuration(ctx))
 	require.NoError(t, utils.WaitNextBlock(ctx, l1Client))

packages/contracts-bedrock/deploy-config/devnetL1.json

@@ -44,7 +44,7 @@
   "l1GenesisBlockTimestamp": "0x64c811bf",
   "l2GenesisRegolithTimeOffset": "0x0",
   "faultGameAbsolutePrestate": "0x41c7ae758795765c6664a5d39bf63841c71ff191e9189522bad8ebff5d4eca98",
-  "faultGameMaxDepth": 4,
+  "faultGameMaxDepth": 31,
   "faultGameMaxDuration": 300,
   "systemConfigStartBlock": 0
 }