Merge pull request #7080 from ethereum-optimism/refcell/game-gauge

feat(op-challenger): Game GaugeVec

op-challenger/game/fault/agent.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/solver"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum/go-ethereum/log"
 )
@@ -14,7 +15,7 @@ import (
 // Responder takes a response action & executes.
 // For full op-challenger this means executing the transaction on chain.
 type Responder interface {
-	CallResolve(ctx context.Context) (types.GameStatus, error)
+	CallResolve(ctx context.Context) (gameTypes.GameStatus, error)
 	Resolve(ctx context.Context) error
 	Respond(ctx context.Context, response types.Claim) error
 	Step(ctx context.Context, stepData types.StepCallData) error
@@ -74,10 +75,10 @@ func (a *Agent) Act(ctx context.Context) error {
 
 // shouldResolve returns true if the agent should resolve the game.
 // This method will return false if the game is still in progress.
-func (a *Agent) shouldResolve(status types.GameStatus) bool {
-	expected := types.GameStatusDefenderWon
+func (a *Agent) shouldResolve(status gameTypes.GameStatus) bool {
+	expected := gameTypes.GameStatusDefenderWon
 	if a.agreeWithProposedOutput {
-		expected = types.GameStatusChallengerWon
+		expected = gameTypes.GameStatusChallengerWon
 	}
 	if expected != status {
 		a.log.Warn("Game will be lost", "expected", expected, "actual", status)
@@ -89,7 +90,7 @@ func (a *Agent) shouldResolve(status types.GameStatus) bool {
 // Returns true if the game is resolvable (regardless of whether it was actually resolved)
 func (a *Agent) tryResolve(ctx context.Context) bool {
 	status, err := a.responder.CallResolve(ctx)
-	if err != nil || status == types.GameStatusInProgress {
+	if err != nil || status == gameTypes.GameStatusInProgress {
 		return false
 	}
 	if !a.shouldResolve(status) {

op-challenger/game/fault/agent_test.go

@@ -8,6 +8,7 @@ import (
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/test"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/trace/alphabet"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/stretchr/testify/require"
@@ -19,16 +20,16 @@ import (
 func TestShouldResolve(t *testing.T) {
 	t.Run("AgreeWithProposedOutput", func(t *testing.T) {
 		agent, _, _ := setupTestAgent(t, true)
-		require.False(t, agent.shouldResolve(types.GameStatusDefenderWon))
-		require.True(t, agent.shouldResolve(types.GameStatusChallengerWon))
-		require.False(t, agent.shouldResolve(types.GameStatusInProgress))
+		require.False(t, agent.shouldResolve(gameTypes.GameStatusDefenderWon))
+		require.True(t, agent.shouldResolve(gameTypes.GameStatusChallengerWon))
+		require.False(t, agent.shouldResolve(gameTypes.GameStatusInProgress))
 	})
 
 	t.Run("DisagreeWithProposedOutput", func(t *testing.T) {
 		agent, _, _ := setupTestAgent(t, false)
-		require.True(t, agent.shouldResolve(types.GameStatusDefenderWon))
-		require.False(t, agent.shouldResolve(types.GameStatusChallengerWon))
-		require.False(t, agent.shouldResolve(types.GameStatusInProgress))
+		require.True(t, agent.shouldResolve(gameTypes.GameStatusDefenderWon))
+		require.False(t, agent.shouldResolve(gameTypes.GameStatusChallengerWon))
+		require.False(t, agent.shouldResolve(gameTypes.GameStatusInProgress))
 	})
 }
 
@@ -38,31 +39,31 @@ func TestDoNotMakeMovesWhenGameIsResolvable(t *testing.T) {
 	tests := []struct {
 		name                    string
 		agreeWithProposedOutput bool
-		callResolveStatus       types.GameStatus
+		callResolveStatus       gameTypes.GameStatus
 		shouldResolve           bool
 	}{
 		{
 			name:                    "Agree_Losing",
 			agreeWithProposedOutput: true,
-			callResolveStatus:       types.GameStatusDefenderWon,
+			callResolveStatus:       gameTypes.GameStatusDefenderWon,
 			shouldResolve:           false,
 		},
 		{
 			name:                    "Agree_Winning",
 			agreeWithProposedOutput: true,
-			callResolveStatus:       types.GameStatusChallengerWon,
+			callResolveStatus:       gameTypes.GameStatusChallengerWon,
 			shouldResolve:           true,
 		},
 		{
 			name:                    "Disagree_Losing",
 			agreeWithProposedOutput: false,
-			callResolveStatus:       types.GameStatusChallengerWon,
+			callResolveStatus:       gameTypes.GameStatusChallengerWon,
 			shouldResolve:           false,
 		},
 		{
 			name:                    "Disagree_Winning",
 			agreeWithProposedOutput: false,
-			callResolveStatus:       types.GameStatusDefenderWon,
+			callResolveStatus:       gameTypes.GameStatusDefenderWon,
 			shouldResolve:           true,
 		},
 	}
@@ -126,14 +127,14 @@ func (s *stubClaimLoader) FetchClaims(ctx context.Context) ([]types.Claim, error
 
 type stubResponder struct {
 	callResolveCount  int
-	callResolveStatus types.GameStatus
+	callResolveStatus gameTypes.GameStatus
 	callResolveErr    error
 
 	resolveCount int
 	resolveErr   error
 }
 
-func (s *stubResponder) CallResolve(ctx context.Context) (types.GameStatus, error) {
+func (s *stubResponder) CallResolve(ctx context.Context) (gameTypes.GameStatus, error) {
 	s.callResolveCount++
 	return s.callResolveStatus, s.callResolveErr
 }

op-challenger/game/fault/loader.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
 	"github.com/ethereum/go-ethereum/common"
@@ -49,9 +50,9 @@ func NewLoaderFromBindings(fdgAddr common.Address, client bind.ContractCaller) (
 }
 
 // GetGameStatus returns the current game status.
-func (l *loader) GetGameStatus(ctx context.Context) (types.GameStatus, error) {
+func (l *loader) GetGameStatus(ctx context.Context) (gameTypes.GameStatus, error) {
 	status, err := l.caller.Status(&bind.CallOpts{Context: ctx})
-	return types.GameStatus(status), err
+	return gameTypes.GameStatus(status), err
 }
 
 // GetClaimCount returns the number of claims in the game.

op-challenger/game/fault/loader_test.go

@@ -7,6 +7,7 @@ import (
 	"testing"
 
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
 	"github.com/ethereum/go-ethereum/common"
@@ -30,15 +31,15 @@ func TestLoader_GetGameStatus(t *testing.T) {
 	}{
 		{
 			name:   "challenger won status",
-			status: uint8(types.GameStatusChallengerWon),
+			status: uint8(gameTypes.GameStatusChallengerWon),
 		},
 		{
 			name:   "defender won status",
-			status: uint8(types.GameStatusDefenderWon),
+			status: uint8(gameTypes.GameStatusDefenderWon),
 		},
 		{
 			name:   "in progress status",
-			status: uint8(types.GameStatusInProgress),
+			status: uint8(gameTypes.GameStatusInProgress),
 		},
 		{
 			name:          "error bubbled up",
@@ -57,7 +58,7 @@ func TestLoader_GetGameStatus(t *testing.T) {
 				require.ErrorIs(t, err, mockStatusError)
 			} else {
 				require.NoError(t, err)
-				require.Equal(t, types.GameStatus(test.status), status)
+				require.Equal(t, gameTypes.GameStatus(test.status), status)
 			}
 		})
 	}

op-challenger/game/fault/player.go

@@ -11,6 +11,7 @@ import (
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/trace/alphabet"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/trace/cannon"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum-optimism/optimism/op-service/txmgr"
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
@@ -22,7 +23,7 @@ import (
 type actor func(ctx context.Context) error
 
 type GameInfo interface {
-	GetGameStatus(context.Context) (types.GameStatus, error)
+	GetGameStatus(context.Context) (gameTypes.GameStatus, error)
 	GetClaimCount(context.Context) (uint64, error)
 }
 
@@ -31,8 +32,7 @@ type GamePlayer struct {
 	agreeWithProposedOutput bool
 	loader                  GameInfo
 	logger                  log.Logger
-
-	completed bool
+	status                  gameTypes.GameStatus
 }
 
 func NewGamePlayer(
@@ -57,14 +57,14 @@ func NewGamePlayer(
 	if err != nil {
 		return nil, fmt.Errorf("failed to fetch game status: %w", err)
 	}
-	if status != types.GameStatusInProgress {
+	if status != gameTypes.GameStatusInProgress {
 		logger.Info("Game already resolved", "status", status)
 		// Game is already complete so skip creating the trace provider, loading game inputs etc.
 		return &GamePlayer{
 			logger:                  logger,
 			loader:                  loader,
 			agreeWithProposedOutput: cfg.AgreeWithProposedOutput,
-			completed:               true,
+			status:                  status,
 			// Act function does nothing because the game is already complete
 			act: func(ctx context.Context) error {
 				return nil
@@ -111,32 +111,32 @@ func NewGamePlayer(
 		agreeWithProposedOutput: cfg.AgreeWithProposedOutput,
 		loader:                  loader,
 		logger:                  logger,
-		completed:               status != types.GameStatusInProgress,
+		status:                  status,
 	}, nil
 }
 
-func (g *GamePlayer) ProgressGame(ctx context.Context) bool {
-	if g.completed {
+func (g *GamePlayer) ProgressGame(ctx context.Context) gameTypes.GameStatus {
+	if g.status != gameTypes.GameStatusInProgress {
 		// Game is already complete so don't try to perform further actions.
 		g.logger.Trace("Skipping completed game")
-		return true
+		return g.status
 	}
 	g.logger.Trace("Checking if actions are required")
 	if err := g.act(ctx); err != nil {
 		g.logger.Error("Error when acting on game", "err", err)
 	}
-	if status, err := g.loader.GetGameStatus(ctx); err != nil {
+	status, err := g.loader.GetGameStatus(ctx)
+	if err != nil {
 		g.logger.Warn("Unable to retrieve game status", "err", err)
-	} else {
-		g.logGameStatus(ctx, status)
-		g.completed = status != types.GameStatusInProgress
-		return g.completed
+		return gameTypes.GameStatusInProgress
 	}
-	return false
+	g.logGameStatus(ctx, status)
+	g.status = status
+	return status
 }
 
-func (g *GamePlayer) logGameStatus(ctx context.Context, status types.GameStatus) {
-	if status == types.GameStatusInProgress {
+func (g *GamePlayer) logGameStatus(ctx context.Context, status gameTypes.GameStatus) {
+	if status == gameTypes.GameStatusInProgress {
 		claimCount, err := g.loader.GetClaimCount(ctx)
 		if err != nil {
 			g.logger.Error("Failed to get claim count for in progress game", "err", err)
@@ -145,11 +145,11 @@ func (g *GamePlayer) logGameStatus(ctx context.Context, status types.GameStatus)
 		g.logger.Info("Game info", "claims", claimCount, "status", status)
 		return
 	}
-	var expectedStatus types.GameStatus
+	var expectedStatus gameTypes.GameStatus
 	if g.agreeWithProposedOutput {
-		expectedStatus = types.GameStatusChallengerWon
+		expectedStatus = gameTypes.GameStatusChallengerWon
 	} else {
-		expectedStatus = types.GameStatusDefenderWon
+		expectedStatus = gameTypes.GameStatusDefenderWon
 	}
 	if expectedStatus == status {
 		g.logger.Info("Game won", "status", status)

op-challenger/game/fault/player_test.go

@@ -7,6 +7,7 @@ import (
 	"testing"
 
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -22,8 +23,8 @@ var (
 func TestProgressGame_LogErrorFromAct(t *testing.T) {
 	handler, game, actor := setupProgressGameTest(t, true)
 	actor.actErr = errors.New("boom")
-	done := game.ProgressGame(context.Background())
-	require.False(t, done, "should not be done")
+	status := game.ProgressGame(context.Background())
+	require.Equal(t, gameTypes.GameStatusInProgress, status)
 	require.Equal(t, 1, actor.callCount, "should perform next actions")
 	errLog := handler.FindLog(log.LvlError, "Error when acting on game")
 	require.NotNil(t, errLog, "should log error")
@@ -38,42 +39,42 @@ func TestProgressGame_LogErrorFromAct(t *testing.T) {
 func TestProgressGame_LogGameStatus(t *testing.T) {
 	tests := []struct {
 		name            string
-		status          types.GameStatus
+		status          gameTypes.GameStatus
 		agreeWithOutput bool
 		logLevel        log.Lvl
 		logMsg          string
 	}{
 		{
 			name:            "GameLostAsDefender",
-			status:          types.GameStatusChallengerWon,
+			status:          gameTypes.GameStatusChallengerWon,
 			agreeWithOutput: false,
 			logLevel:        log.LvlError,
 			logMsg:          "Game lost",
 		},
 		{
 			name:            "GameLostAsChallenger",
-			status:          types.GameStatusDefenderWon,
+			status:          gameTypes.GameStatusDefenderWon,
 			agreeWithOutput: true,
 			logLevel:        log.LvlError,
 			logMsg:          "Game lost",
 		},
 		{
 			name:            "GameWonAsDefender",
-			status:          types.GameStatusDefenderWon,
+			status:          gameTypes.GameStatusDefenderWon,
 			agreeWithOutput: false,
 			logLevel:        log.LvlInfo,
 			logMsg:          "Game won",
 		},
 		{
 			name:            "GameWonAsChallenger",
-			status:          types.GameStatusChallengerWon,
+			status:          gameTypes.GameStatusChallengerWon,
 			agreeWithOutput: true,
 			logLevel:        log.LvlInfo,
 			logMsg:          "Game won",
 		},
 		{
 			name:            "GameInProgress",
-			status:          types.GameStatusInProgress,
+			status:          gameTypes.GameStatusInProgress,
 			agreeWithOutput: true,
 			logLevel:        log.LvlInfo,
 			logMsg:          "Game info",
@@ -85,9 +86,9 @@ func TestProgressGame_LogGameStatus(t *testing.T) {
 			handler, game, gameState := setupProgressGameTest(t, test.agreeWithOutput)
 			gameState.status = test.status
 
-			done := game.ProgressGame(context.Background())
+			status := game.ProgressGame(context.Background())
 			require.Equal(t, 1, gameState.callCount, "should perform next actions")
-			require.Equal(t, test.status != types.GameStatusInProgress, done, "should be done when not in progress")
+			require.Equal(t, test.status, status)
 			errLog := handler.FindLog(test.logLevel, test.logMsg)
 			require.NotNil(t, errLog, "should log game result")
 			require.Equal(t, test.status, errLog.GetContextValue("status"))
@@ -96,19 +97,19 @@ func TestProgressGame_LogGameStatus(t *testing.T) {
 }
 
 func TestDoNotActOnCompleteGame(t *testing.T) {
-	for _, status := range []types.GameStatus{types.GameStatusChallengerWon, types.GameStatusDefenderWon} {
+	for _, status := range []gameTypes.GameStatus{gameTypes.GameStatusChallengerWon, gameTypes.GameStatusDefenderWon} {
 		t.Run(status.String(), func(t *testing.T) {
 			_, game, gameState := setupProgressGameTest(t, true)
 			gameState.status = status
 
-			done := game.ProgressGame(context.Background())
+			fetched := game.ProgressGame(context.Background())
 			require.Equal(t, 1, gameState.callCount, "acts the first time")
-			require.True(t, done, "should be done")
+			require.Equal(t, status, fetched)
 
 			// Should not act when it knows the game is already complete
-			done = game.ProgressGame(context.Background())
+			fetched = game.ProgressGame(context.Background())
 			require.Equal(t, 1, gameState.callCount, "does not act after game is complete")
-			require.True(t, done, "should still be done")
+			require.Equal(t, status, fetched)
 		})
 	}
 }
@@ -166,7 +167,7 @@ func setupProgressGameTest(t *testing.T, agreeWithProposedRoot bool) (*testlog.C
 }
 
 type stubGameState struct {
-	status     types.GameStatus
+	status     gameTypes.GameStatus
 	claimCount uint64
 	callCount  int
 	actErr     error
@@ -178,7 +179,7 @@ func (s *stubGameState) Act(ctx context.Context) error {
 	return s.actErr
 }
 
-func (s *stubGameState) GetGameStatus(ctx context.Context) (types.GameStatus, error) {
+func (s *stubGameState) GetGameStatus(ctx context.Context) (gameTypes.GameStatus, error) {
 	return s.status, nil
 }
 

op-challenger/game/fault/responder/responder.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 	"github.com/ethereum-optimism/optimism/op-service/txmgr"
 
 	"github.com/ethereum/go-ethereum"
@@ -81,23 +82,23 @@ func (r *faultResponder) BuildTx(ctx context.Context, response types.Claim) ([]b
 
 // CallResolve determines if the resolve function on the fault dispute game contract
 // would succeed. Returns the game status if the call would succeed, errors otherwise.
-func (r *faultResponder) CallResolve(ctx context.Context) (types.GameStatus, error) {
+func (r *faultResponder) CallResolve(ctx context.Context) (gameTypes.GameStatus, error) {
 	txData, err := r.buildResolveData()
 	if err != nil {
-		return types.GameStatusInProgress, err
+		return gameTypes.GameStatusInProgress, err
 	}
 	res, err := r.txMgr.Call(ctx, ethereum.CallMsg{
 		To:   &r.fdgAddr,
 		Data: txData,
 	}, nil)
 	if err != nil {
-		return types.GameStatusInProgress, err
+		return gameTypes.GameStatusInProgress, err
 	}
 	var status uint8
 	if err = r.fdgAbi.UnpackIntoInterface(&status, "resolve", res); err != nil {
-		return types.GameStatusInProgress, err
+		return gameTypes.GameStatusInProgress, err
 	}
-	return types.GameStatusFromUint8(status)
+	return gameTypes.GameStatusFromUint8(status)
 }
 
 // Resolve executes a resolve transaction to resolve a fault dispute game.

op-challenger/game/fault/responder/responder_test.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
 	"github.com/ethereum-optimism/optimism/op-service/txmgr"
 
@@ -32,7 +33,7 @@ func TestCallResolve(t *testing.T) {
 		mockTxMgr.callFails = true
 		status, err := responder.CallResolve(context.Background())
 		require.ErrorIs(t, err, mockCallError)
-		require.Equal(t, types.GameStatusInProgress, status)
+		require.Equal(t, gameTypes.GameStatusInProgress, status)
 		require.Equal(t, 0, mockTxMgr.calls)
 	})
 
@@ -41,7 +42,7 @@ func TestCallResolve(t *testing.T) {
 		mockTxMgr.callBytes = []byte{0x00, 0x01}
 		status, err := responder.CallResolve(context.Background())
 		require.Error(t, err)
-		require.Equal(t, types.GameStatusInProgress, status)
+		require.Equal(t, gameTypes.GameStatusInProgress, status)
 		require.Equal(t, 1, mockTxMgr.calls)
 	})
 
@@ -49,7 +50,7 @@ func TestCallResolve(t *testing.T) {
 		responder, mockTxMgr := newTestFaultResponder(t)
 		status, err := responder.CallResolve(context.Background())
 		require.NoError(t, err)
-		require.Equal(t, types.GameStatusInProgress, status)
+		require.Equal(t, gameTypes.GameStatusInProgress, status)
 		require.Equal(t, 1, mockTxMgr.calls)
 	})
 }

op-challenger/game/fault/types/types.go

@@ -3,7 +3,6 @@ package types
 import (
 	"context"
 	"errors"
-	"fmt"
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -13,36 +12,6 @@ var (
 	ErrGameDepthReached = errors.New("game depth reached")
 )
 
-type GameStatus uint8
-
-const (
-	GameStatusInProgress GameStatus = iota
-	GameStatusChallengerWon
-	GameStatusDefenderWon
-)
-
-// String returns the string representation of the game status.
-func (s GameStatus) String() string {
-	switch s {
-	case GameStatusInProgress:
-		return "In Progress"
-	case GameStatusChallengerWon:
-		return "Challenger Won"
-	case GameStatusDefenderWon:
-		return "Defender Won"
-	default:
-		return "Unknown"
-	}
-}
-
-// GameStatusFromUint8 returns a game status from the uint8 representation.
-func GameStatusFromUint8(i uint8) (GameStatus, error) {
-	if i > 2 {
-		return GameStatus(i), fmt.Errorf("invalid game status: %d", i)
-	}
-	return GameStatus(i), nil
-}
-
 // PreimageOracleData encapsulates the preimage oracle data
 // to load into the onchain oracle.
 type PreimageOracleData struct {

op-challenger/game/fault/types/types_test.go

 package types
 
 import (
-	"fmt"
 	"testing"
 
 	"github.com/stretchr/testify/require"
 )
 
-var validGameStatuses = []GameStatus{
-	GameStatusInProgress,
-	GameStatusChallengerWon,
-	GameStatusDefenderWon,
-}
-
-func TestGameStatusFromUint8(t *testing.T) {
-	for _, status := range validGameStatuses {
-		t.Run(fmt.Sprintf("Valid Game Status %v", status), func(t *testing.T) {
-			parsed, err := GameStatusFromUint8(uint8(status))
-			require.NoError(t, err)
-			require.Equal(t, status, parsed)
-		})
-	}
-
-	t.Run("Invalid", func(t *testing.T) {
-		status, err := GameStatusFromUint8(3)
-		require.Error(t, err)
-		require.Equal(t, GameStatus(3), status)
-	})
-}
-
 func TestNewPreimageOracleData(t *testing.T) {
 	t.Run("LocalData", func(t *testing.T) {
 		data := NewPreimageOracleData([]byte{1, 2, 3}, []byte{4, 5, 6}, 7)

op-challenger/game/monitor.go

@@ -8,7 +8,6 @@ import (
 	"time"
 
 	"github.com/ethereum-optimism/optimism/op-challenger/game/scheduler"
-	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum-optimism/optimism/op-service/clock"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
@@ -27,7 +26,6 @@ type gameScheduler interface {
 
 type gameMonitor struct {
 	logger           log.Logger
-	metrics          metrics.Metricer
 	clock            clock.Clock
 	source           gameSource
 	scheduler        gameScheduler
@@ -38,7 +36,6 @@ type gameMonitor struct {
 
 func newGameMonitor(
 	logger log.Logger,
-	m metrics.Metricer,
 	cl clock.Clock,
 	source gameSource,
 	scheduler gameScheduler,
@@ -48,7 +45,6 @@ func newGameMonitor(
 ) *gameMonitor {
 	return &gameMonitor{
 		logger:           logger,
-		metrics:          m,
 		clock:            cl,
 		scheduler:        scheduler,
 		source:           source,

op-challenger/game/monitor_test.go

@@ -6,7 +6,6 @@ import (
 	"testing"
 	"time"
 
-	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
 	"github.com/ethereum-optimism/optimism/op-service/clock"
 	"github.com/ethereum/go-ethereum/common"
@@ -101,7 +100,7 @@ func setupMonitorTest(t *testing.T, allowedGames []common.Address) (*gameMonitor
 		return i, nil
 	}
 	sched := &stubScheduler{}
-	monitor := newGameMonitor(logger, metrics.NoopMetrics, clock.SystemClock, source, sched, time.Duration(0), fetchBlockNum, allowedGames)
+	monitor := newGameMonitor(logger, clock.SystemClock, source, sched, time.Duration(0), fetchBlockNum, allowedGames)
 	return monitor, source, sched
 }
 

op-challenger/game/scheduler/coordinator.go

@@ -5,6 +5,8 @@ import (
 	"errors"
 	"fmt"
 
+	"github.com/ethereum-optimism/optimism/op-challenger/game/types"
+
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
 	"golang.org/x/exp/slices"
@@ -17,7 +19,7 @@ type PlayerCreator func(address common.Address, dir string) (GamePlayer, error)
 type gameState struct {
 	player   GamePlayer
 	inflight bool
-	resolved bool
+	status   types.GameStatus
 }
 
 // coordinator manages the set of current games, queues games to be played (on separate worker threads) and
@@ -31,6 +33,7 @@ type coordinator struct {
 	resultQueue <-chan job
 
 	logger       log.Logger
+	m            SchedulerMetricer
 	createPlayer PlayerCreator
 	states       map[common.Address]*gameState
 	disk         DiskManager
@@ -49,18 +52,35 @@ func (c *coordinator) schedule(ctx context.Context, games []common.Address) erro
 		}
 	}
 
+	var gamesInProgress int
+	var gamesChallengerWon int
+	var gamesDefenderWon int
 	var errs []error
+	var jobs []job
 	// Next collect all the jobs to schedule and ensure all games are recorded in the states map.
 	// Otherwise, results may start being processed before all games are recorded, resulting in existing
 	// data directories potentially being deleted for games that are required.
-	var jobs []job
 	for _, addr := range games {
 		if j, err := c.createJob(addr); err != nil {
 			errs = append(errs, err)
 		} else if j != nil {
 			jobs = append(jobs, *j)
 		}
+		state, ok := c.states[addr]
+		if ok {
+			switch state.status {
+			case types.GameStatusInProgress:
+				gamesInProgress++
+			case types.GameStatusDefenderWon:
+				gamesDefenderWon++
+			case types.GameStatusChallengerWon:
+				gamesChallengerWon++
+			}
+		} else {
+			c.logger.Warn("Game not found in states map", "game", addr)
+		}
 	}
+	c.m.RecordGamesStatus(gamesInProgress, gamesChallengerWon, gamesDefenderWon)
 
 	// Finally, enqueue the jobs
 	for _, j := range jobs {
@@ -114,7 +134,7 @@ func (c *coordinator) processResult(j job) error {
 		return fmt.Errorf("game %v received unexpected result: %w", j.addr, errUnknownGame)
 	}
 	state.inflight = false
-	state.resolved = j.resolved
+	state.status = j.status
 	c.deleteResolvedGameFiles()
 	return nil
 }
@@ -122,7 +142,7 @@ func (c *coordinator) processResult(j job) error {
 func (c *coordinator) deleteResolvedGameFiles() {
 	var keepGames []common.Address
 	for addr, state := range c.states {
-		if !state.resolved || state.inflight {
+		if state.status == types.GameStatusInProgress || state.inflight {
 			keepGames = append(keepGames, addr)
 		}
 	}
@@ -131,9 +151,10 @@ func (c *coordinator) deleteResolvedGameFiles() {
 	}
 }
 
-func newCoordinator(logger log.Logger, jobQueue chan<- job, resultQueue <-chan job, createPlayer PlayerCreator, disk DiskManager) *coordinator {
+func newCoordinator(logger log.Logger, m SchedulerMetricer, jobQueue chan<- job, resultQueue <-chan job, createPlayer PlayerCreator, disk DiskManager) *coordinator {
 	return &coordinator{
 		logger:       logger,
+		m:            m,
 		jobQueue:     jobQueue,
 		resultQueue:  resultQueue,
 		createPlayer: createPlayer,

op-challenger/game/scheduler/coordinator_test.go

@@ -5,6 +5,8 @@ import (
 	"fmt"
 	"testing"
 
+	"github.com/ethereum-optimism/optimism/op-challenger/game/types"
+	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
@@ -140,7 +142,7 @@ func TestDeleteDataForResolvedGames(t *testing.T) {
 	require.NoError(t, c.schedule(ctx, []common.Address{gameAddr3}))
 	require.Len(t, workQueue, 1)
 	j := <-workQueue
-	j.resolved = true
+	j.status = types.GameStatusDefenderWon
 	require.NoError(t, c.processResult(j))
 	// But ensure its data directory is marked as existing
 	disk.DirForGame(gameAddr3)
@@ -155,7 +157,9 @@ func TestDeleteDataForResolvedGames(t *testing.T) {
 	// Game 3 hasn't yet progressed (update is still in flight)
 	for i := 0; i < len(gameAddrs)-1; i++ {
 		j := <-workQueue
-		j.resolved = j.addr == gameAddr2
+		if j.addr == gameAddr2 {
+			j.status = types.GameStatusDefenderWon
+		}
 		require.NoError(t, c.processResult(j))
 	}
 
@@ -229,20 +233,20 @@ func setupCoordinatorTest(t *testing.T, bufferSize int) (*coordinator, <-chan jo
 		created: make(map[common.Address]*stubGame),
 	}
 	disk := &stubDiskManager{gameDirExists: make(map[common.Address]bool)}
-	c := newCoordinator(logger, workQueue, resultQueue, games.CreateGame, disk)
+	c := newCoordinator(logger, metrics.NoopMetrics, workQueue, resultQueue, games.CreateGame, disk)
 	return c, workQueue, resultQueue, games, disk
 }
 
 type stubGame struct {
 	addr          common.Address
 	progressCount int
-	done          bool
+	status        types.GameStatus
 	dir           string
 }
 
-func (g *stubGame) ProgressGame(_ context.Context) bool {
+func (g *stubGame) ProgressGame(_ context.Context) types.GameStatus {
 	g.progressCount++
-	return g.done
+	return g.status
 }
 
 type createdGames struct {
@@ -259,9 +263,13 @@ func (c *createdGames) CreateGame(addr common.Address, dir string) (GamePlayer,
 	if _, exists := c.created[addr]; exists {
 		c.t.Fatalf("game %v already exists", addr)
 	}
+	status := types.GameStatusInProgress
+	if addr == c.createCompleted {
+		status = types.GameStatusDefenderWon
+	}
 	game := &stubGame{
 		addr:   addr,
-		done: addr == c.createCompleted,
+		status: status,
 		dir:    dir,
 	}
 	c.created[addr] = game

op-challenger/game/scheduler/scheduler.go

@@ -11,6 +11,10 @@ import (
 
 var ErrBusy = errors.New("busy scheduling previous update")
 
+type SchedulerMetricer interface {
+	RecordGamesStatus(inProgress, defenderWon, challengerWon int)
+}
+
 type Scheduler struct {
 	logger         log.Logger
 	coordinator    *coordinator
@@ -22,7 +26,7 @@ type Scheduler struct {
 	cancel         func()
 }
 
-func NewScheduler(logger log.Logger, disk DiskManager, maxConcurrency uint, createPlayer PlayerCreator) *Scheduler {
+func NewScheduler(logger log.Logger, m SchedulerMetricer, disk DiskManager, maxConcurrency uint, createPlayer PlayerCreator) *Scheduler {
 	// Size job and results queues to be fairly small so backpressure is applied early
 	// but with enough capacity to keep the workers busy
 	jobQueue := make(chan job, maxConcurrency*2)
@@ -34,7 +38,7 @@ func NewScheduler(logger log.Logger, disk DiskManager, maxConcurrency uint, crea
 
 	return &Scheduler{
 		logger:         logger,
-		coordinator:    newCoordinator(logger, jobQueue, resultQueue, createPlayer, disk),
+		coordinator:    newCoordinator(logger, m, jobQueue, resultQueue, createPlayer, disk),
 		maxConcurrency: maxConcurrency,
 		scheduleQueue:  scheduleQueue,
 		jobQueue:       jobQueue,

op-challenger/game/scheduler/scheduler_test.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"testing"
 
+	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
@@ -18,7 +19,7 @@ func TestSchedulerProcessesGames(t *testing.T) {
 	}
 	removeExceptCalls := make(chan []common.Address)
 	disk := &trackingDiskManager{removeExceptCalls: removeExceptCalls}
-	s := NewScheduler(logger, disk, 2, createPlayer)
+	s := NewScheduler(logger, metrics.NoopMetrics, disk, 2, createPlayer)
 	s.Start(ctx)
 
 	gameAddr1 := common.Address{0xaa}
@@ -46,7 +47,7 @@ func TestReturnBusyWhenScheduleQueueFull(t *testing.T) {
 	}
 	removeExceptCalls := make(chan []common.Address)
 	disk := &trackingDiskManager{removeExceptCalls: removeExceptCalls}
-	s := NewScheduler(logger, disk, 2, createPlayer)
+	s := NewScheduler(logger, metrics.NoopMetrics, disk, 2, createPlayer)
 
 	// Scheduler not started - first call fills the queue
 	require.NoError(t, s.Schedule([]common.Address{{0xaa}}))

op-challenger/game/scheduler/types.go

@@ -4,10 +4,12 @@ import (
 	"context"
 
 	"github.com/ethereum/go-ethereum/common"
+
+	"github.com/ethereum-optimism/optimism/op-challenger/game/types"
 )
 
 type GamePlayer interface {
-	ProgressGame(ctx context.Context) bool
+	ProgressGame(ctx context.Context) types.GameStatus
 }
 
 type DiskManager interface {
@@ -18,5 +20,5 @@ type DiskManager interface {
 type job struct {
 	addr   common.Address
 	player GamePlayer
-	resolved bool
+	status types.GameStatus
 }

op-challenger/game/scheduler/worker.go

@@ -15,7 +15,7 @@ func progressGames(ctx context.Context, in <-chan job, out chan<- job, wg *sync.
 		case <-ctx.Done():
 			return
 		case j := <-in:
-			j.resolved = j.player.ProgressGame(ctx)
+			j.status = j.player.ProgressGame(ctx)
 			out <- j
 		}
 	}

op-challenger/game/scheduler/worker_test.go

@@ -6,6 +6,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/ethereum-optimism/optimism/op-challenger/game/types"
+
 	"github.com/stretchr/testify/require"
 )
 
@@ -20,17 +22,17 @@ func TestWorkerShouldProcessJobsUntilContextDone(t *testing.T) {
 	go progressGames(ctx, in, out, &wg)
 
 	in <- job{
-		player: &stubPlayer{done: false},
+		player: &stubPlayer{status: types.GameStatusInProgress},
 	}
 	in <- job{
-		player: &stubPlayer{done: true},
+		player: &stubPlayer{status: types.GameStatusDefenderWon},
 	}
 
 	result1 := readWithTimeout(t, out)
 	result2 := readWithTimeout(t, out)
 
-	require.Equal(t, result1.resolved, false)
-	require.Equal(t, result2.resolved, true)
+	require.Equal(t, result1.status, types.GameStatusInProgress)
+	require.Equal(t, result2.status, types.GameStatusDefenderWon)
 
 	// Cancel the context which should exit the worker
 	cancel()
@@ -38,11 +40,11 @@ func TestWorkerShouldProcessJobsUntilContextDone(t *testing.T) {
 }
 
 type stubPlayer struct {
-	done bool
+	status types.GameStatus
 }
 
-func (s *stubPlayer) ProgressGame(ctx context.Context) bool {
-	return s.done
+func (s *stubPlayer) ProgressGame(ctx context.Context) types.GameStatus {
+	return s.status
 }
 
 func readWithTimeout[T any](t *testing.T, ch <-chan T) T {

op-challenger/game/service.go

@@ -69,13 +69,14 @@ func NewService(ctx context.Context, logger log.Logger, cfg *config.Config) (*Se
 	disk := newDiskManager(cfg.Datadir)
 	sched := scheduler.NewScheduler(
 		logger,
+		m,
 		disk,
 		cfg.MaxConcurrency,
 		func(addr common.Address, dir string) (scheduler.GamePlayer, error) {
 			return fault.NewGamePlayer(ctx, logger, m, cfg, dir, addr, txMgr, client)
 		})
 
-	monitor := newGameMonitor(logger, m, cl, loader, sched, cfg.GameWindow, client.BlockNumber, cfg.GameAllowlist)
+	monitor := newGameMonitor(logger, cl, loader, sched, cfg.GameWindow, client.BlockNumber, cfg.GameAllowlist)
 
 	m.RecordInfo(version.SimpleWithMeta)
 	m.RecordUp()

op-challenger/game/types/types.go

+package types
+
+import (
+	"fmt"
+)
+
+type GameStatus uint8
+
+const (
+	GameStatusInProgress GameStatus = iota
+	GameStatusChallengerWon
+	GameStatusDefenderWon
+)
+
+// String returns the string representation of the game status.
+func (s GameStatus) String() string {
+	switch s {
+	case GameStatusInProgress:
+		return "In Progress"
+	case GameStatusChallengerWon:
+		return "Challenger Won"
+	case GameStatusDefenderWon:
+		return "Defender Won"
+	default:
+		return "Unknown"
+	}
+}
+
+// GameStatusFromUint8 returns a game status from the uint8 representation.
+func GameStatusFromUint8(i uint8) (GameStatus, error) {
+	if i > 2 {
+		return GameStatus(i), fmt.Errorf("invalid game status: %d", i)
+	}
+	return GameStatus(i), nil
+}

op-challenger/game/types/types_test.go

+package types
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+var validGameStatuses = []GameStatus{
+	GameStatusInProgress,
+	GameStatusChallengerWon,
+	GameStatusDefenderWon,
+}
+
+func TestGameStatusFromUint8(t *testing.T) {
+	for _, status := range validGameStatuses {
+		t.Run(fmt.Sprintf("Valid Game Status %v", status), func(t *testing.T) {
+			parsed, err := GameStatusFromUint8(uint8(status))
+			require.NoError(t, err)
+			require.Equal(t, status, parsed)
+		})
+	}
+
+	t.Run("Invalid", func(t *testing.T) {
+		status, err := GameStatusFromUint8(3)
+		require.Error(t, err)
+		require.Equal(t, GameStatus(3), status)
+	})
+}

op-challenger/metrics/metrics.go

@@ -24,6 +24,8 @@ type Metricer interface {
 	RecordGameStep()
 	RecordGameMove()
 	RecordCannonExecutionTime(t float64)
+
+	RecordGamesStatus(inProgress, defenderWon, challengerWon int)
 }
 
 type Metrics struct {
@@ -38,7 +40,10 @@ type Metrics struct {
 
 	moves prometheus.Counter
 	steps prometheus.Counter
+
 	cannonExecutionTime prometheus.Histogram
+
+	trackedGames prometheus.GaugeVec
 }
 
 var _ Metricer = (*Metrics)(nil)
@@ -82,6 +87,13 @@ func NewMetrics() *Metrics {
 			Help:      "Time (in seconds) to execute cannon",
 			Buckets:   append([]float64{1.0, 10.0}, prometheus.ExponentialBuckets(30.0, 2.0, 14)...),
 		}),
+		trackedGames: *factory.NewGaugeVec(prometheus.GaugeOpts{
+			Namespace: Namespace,
+			Name:      "tracked_games",
+			Help:      "Number of games being tracked by the challenger",
+		}, []string{
+			"status",
+		}),
 	}
 }
 
@@ -120,3 +132,9 @@ func (m *Metrics) RecordGameStep() {
 func (m *Metrics) RecordCannonExecutionTime(t float64) {
 	m.cannonExecutionTime.Observe(t)
 }
+
+func (m *Metrics) RecordGamesStatus(inProgress, defenderWon, challengerWon int) {
+	m.trackedGames.WithLabelValues("in_progress").Set(float64(inProgress))
+	m.trackedGames.WithLabelValues("defender_won").Set(float64(defenderWon))
+	m.trackedGames.WithLabelValues("challenger_won").Set(float64(challengerWon))
+}

op-challenger/metrics/noop.go

@@ -12,6 +12,10 @@ var NoopMetrics Metricer = new(noopMetrics)
 
 func (*noopMetrics) RecordInfo(version string) {}
 func (*noopMetrics) RecordUp()                 {}
+
 func (*noopMetrics) RecordGameMove() {}
 func (*noopMetrics) RecordGameStep() {}
+
 func (*noopMetrics) RecordCannonExecutionTime(t float64) {}
+
+func (*noopMetrics) RecordGamesStatus(inProgress, defenderWon, challengerWon int) {}