fix tests

op-program/client/l2/engine_backend_test.go

@@ -5,6 +5,7 @@ import (
 	"testing"
 
 	"github.com/ethereum-optimism/optimism/op-chain-ops/genesis"
+	"github.com/ethereum-optimism/optimism/op-node/eth"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
 	"github.com/ethereum-optimism/optimism/op-program/client/l2/engineapi"
 	"github.com/ethereum-optimism/optimism/op-program/client/l2/engineapi/test"
@@ -199,7 +200,8 @@ func setupOracleBackedChainWithLowerHead(t *testing.T, blockCount int, headBlock
 	logger := testlog.Logger(t, log.LvlDebug)
 	chainCfg, blocks, oracle := setupOracle(t, blockCount, headBlockNumber)
 	head := blocks[headBlockNumber].Hash()
-	chain, err := NewOracleBackedL2Chain(logger, oracle, chainCfg, head)
+	stubOutput := eth.OutputV0{BlockHash: head}
+	chain, err := NewOracleBackedL2Chain(logger, oracle, chainCfg, common.Hash(eth.OutputRoot(&stubOutput)))
 	require.NoError(t, err)
 	return blocks, chain
 }
@@ -232,7 +234,12 @@ func setupOracle(t *testing.T, blockCount int, headBlockNumber int) (*params.Cha
 	genesisBlock := l2Genesis.MustCommit(db)
 	blocks, _ := core.GenerateChain(chainCfg, genesisBlock, consensus, db, blockCount, func(i int, gen *core.BlockGen) {})
 	blocks = append([]*types.Block{genesisBlock}, blocks...)
-	oracle := l2test.NewStubOracleWithBlocks(t, blocks[:headBlockNumber+1], db)
+
+	var outputs []eth.Output
+	for _, block := range blocks {
+		outputs = append(outputs, &eth.OutputV0{BlockHash: block.Hash()})
+	}
+	oracle := l2test.NewStubOracleWithBlocks(t, blocks[:headBlockNumber+1], outputs, db)
 	return chainCfg, blocks, oracle
 }
 

op-program/client/l2/test/stub_oracle.go

@@ -19,7 +19,7 @@ type stateOracle interface {
 type StubBlockOracle struct {
 	t       *testing.T
 	Blocks  map[common.Hash]*types.Block
-	L2Outputs map[common.Hash]eth.Output
+	Outputs map[common.Hash]eth.Output
 	stateOracle
 }
 
@@ -28,18 +28,25 @@ func NewStubOracle(t *testing.T) (*StubBlockOracle, *StubStateOracle) {
 	blockOracle := StubBlockOracle{
 		t:           t,
 		Blocks:      make(map[common.Hash]*types.Block),
+		Outputs:     make(map[common.Hash]eth.Output),
 		stateOracle: stateOracle,
 	}
 	return &blockOracle, stateOracle
 }
 
-func NewStubOracleWithBlocks(t *testing.T, chain []*types.Block, db ethdb.Database) *StubBlockOracle {
+func NewStubOracleWithBlocks(t *testing.T, chain []*types.Block, outputs []eth.Output, db ethdb.Database) *StubBlockOracle {
 	blocks := make(map[common.Hash]*types.Block, len(chain))
 	for _, block := range chain {
 		blocks[block.Hash()] = block
 	}
+	o := make(map[common.Hash]eth.Output, len(outputs))
+	for _, output := range outputs {
+		o[common.Hash(eth.OutputRoot(output))] = output
+	}
 	return &StubBlockOracle{
+		t:           t,
 		Blocks:      blocks,
+		Outputs:     o,
 		stateOracle: &KvStateOracle{t: t, Source: db},
 	}
 }
@@ -53,7 +60,7 @@ func (o StubBlockOracle) BlockByHash(blockHash common.Hash) *types.Block {
 }
 
 func (o StubBlockOracle) L2OutputByRoot(root common.Hash) eth.Output {
-	output, ok := o.L2Outputs[root]
+	output, ok := o.Outputs[root]
 	if !ok {
 		o.t.Fatalf("requested unknown output root %s", root)
 	}

op-program/host/cmd/main_test.go

@@ -25,7 +25,6 @@ var (
 	// Note: This is actually the L1 goerli genesis config. Just using it as an arbitrary, valid genesis config
 	l2Genesis       = core.DefaultGoerliGenesisBlock()
 	l2GenesisConfig = l2Genesis.Config
-	l2OutputOracleAddress = common.HexToAddress("0x1234567890123456789012345678901234567890").Hex()
 )
 
 func TestLogLevel(t *testing.T) {
@@ -124,14 +123,14 @@ func TestL2Genesis(t *testing.T) {
 	})
 }
 
-func TestL2OutputRoot(t *testing.T) {
+func TestL2Head(t *testing.T) {
 	t.Run("Required", func(t *testing.T) {
-		verifyArgsInvalid(t, "flag l2.outputroot is required", addRequiredArgsExcept("--l2.head"))
+		verifyArgsInvalid(t, "flag l2.head is required", addRequiredArgsExcept("--l2.head"))
 	})
 
 	t.Run("Valid", func(t *testing.T) {
-		cfg := configForArgs(t, replaceRequiredArg("--l2.outputroot", l2HeadValue))
-		require.Equal(t, common.HexToHash(l2HeadValue), cfg.L2OutputRoot)
+		cfg := configForArgs(t, replaceRequiredArg("--l2.head", l2HeadValue))
+		require.Equal(t, common.HexToHash(l2HeadValue), cfg.L2Head)
 	})
 
 	t.Run("Invalid", func(t *testing.T) {
@@ -139,6 +138,21 @@ func TestL2OutputRoot(t *testing.T) {
 	})
 }
 
+func TestL2OutputRoot(t *testing.T) {
+	t.Run("Required", func(t *testing.T) {
+		verifyArgsInvalid(t, "flag l2.outputroot is required", addRequiredArgsExcept("--l2.outputroot"))
+	})
+
+	t.Run("Valid", func(t *testing.T) {
+		cfg := configForArgs(t, replaceRequiredArg("--l2.outputroot", l2OutputRoot))
+		require.Equal(t, common.HexToHash(l2OutputRoot), cfg.L2OutputRoot)
+	})
+
+	t.Run("Invalid", func(t *testing.T) {
+		verifyArgsInvalid(t, config.ErrInvalidL2OutputRoot.Error(), replaceRequiredArg("--l2.outputroot", "something"))
+	})
+}
+
 func TestL1Head(t *testing.T) {
 	t.Run("Required", func(t *testing.T) {
 		verifyArgsInvalid(t, "flag l1.head is required", addRequiredArgsExcept("--l1.head"))
@@ -310,6 +324,7 @@ func requiredArgs() map[string]string {
 		"--network":        "goerli",
 		"--l1.head":        l1HeadValue,
 		"--l2.head":        l2HeadValue,
+		"--l2.outputroot":  l2OutputRoot,
 		"--l2.claim":       l2ClaimValue,
 		"--l2.blocknumber": strconv.FormatUint(l2ClaimBlockNumber, 10),
 	}

op-program/host/config/config.go

@@ -43,7 +43,7 @@ type Config struct {
 	L1RPCKind  sources.RPCProviderKind
 
 	// L2Head is the l2 block hash contained in the L2 Output referenced by the L2OutputRoot
-	// TODO(inphi): This can be made optional with hardcoded rollup configs and output oracle addresses
+	// TODO(inphi): This can be made optional with hardcoded rollup configs and output oracle addresses by searching the oracle for the l2 output root
 	L2Head common.Hash
 	// L2OutputRoot is the agreed L2 output root to start derivation from
 	L2OutputRoot common.Hash
@@ -74,6 +74,9 @@ func (c *Config) Check() error {
 	if c.L1Head == (common.Hash{}) {
 		return ErrInvalidL1Head
 	}
+	if c.L2Head == (common.Hash{}) {
+		return ErrInvalidL2Head
+	}
 	if c.L2OutputRoot == (common.Hash{}) {
 		return ErrInvalidL2OutputRoot
 	}
@@ -136,7 +139,7 @@ func NewConfigFromCLI(log log.Logger, ctx *cli.Context) (*Config, error) {
 	if l2Head == (common.Hash{}) {
 		return nil, ErrInvalidL2Head
 	}
-	l2OutputRoot := common.HexToHash(ctx.String(flags.L2Head.Name))
+	l2OutputRoot := common.HexToHash(ctx.String(flags.L2OutputRoot.Name))
 	if l2OutputRoot == (common.Hash{}) {
 		return nil, ErrInvalidL2OutputRoot
 	}