fix following comments

integration_test/entrypoint.sh

@@ -34,6 +34,7 @@ check_env "ASSIGNMENT_HOOK_ADDRESS"
 check_env "TIMELOCK_CONTROLLER"
 check_env "ROLLUP_ADDRESS_MANAGER_CONTRACT_ADDRESS"
 check_env "GUARDIAN_PROVER_CONTRACT_ADDRESS"
+check_env "GUARDIAN_PROVER_MINORITY_ADDRESS"
 check_env "L1_CONTRACT_OWNER_PRIVATE_KEY"
 check_env "L1_SECURITY_COUNCIL_PRIVATE_KEY"
 check_env "L1_PROPOSER_PRIVATE_KEY"

integration_test/test_env.sh

@@ -15,6 +15,7 @@ export ASSIGNMENT_HOOK_ADDRESS=$(echo "$DEPLOYMENT_JSON" | jq '.assignment_hook'
 export TIMELOCK_CONTROLLER=$(echo "$DEPLOYMENT_JSON" | jq '.timelock_controller' | sed 's/\"//g')
 export ROLLUP_ADDRESS_MANAGER_CONTRACT_ADDRESS=$(echo "$DEPLOYMENT_JSON" | jq '.rollup_address_manager' | sed 's/\"//g')
 export GUARDIAN_PROVER_CONTRACT_ADDRESS=$(echo "$DEPLOYMENT_JSON" | jq '.guardian_prover' | sed 's/\"//g')
+export GUARDIAN_PROVER_MINORITY_ADDRESS=$(echo "$DEPLOYMENT_JSON" | jq '.guardian_prover_minority' | sed 's/\"//g')
 export L1_CONTRACT_OWNER_PRIVATE_KEY=0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80
 export L1_SECURITY_COUNCIL_PRIVATE_KEY=0xdbda1821b80551c9d65939329250298aa3472ba22feea921c0cf5d620ea67b97
 export L1_PROPOSER_PRIVATE_KEY=0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80
@@ -40,6 +41,7 @@ ASSIGNMENT_HOOK_ADDRESS=$ASSIGNMENT_HOOK_ADDRESS
 TIMELOCK_CONTROLLER=$TIMELOCK_CONTROLLER
 ROLLUP_ADDRESS_MANAGER_CONTRACT_ADDRESS=$ROLLUP_ADDRESS_MANAGER_CONTRACT_ADDRESS
 GUARDIAN_PROVER_CONTRACT_ADDRESS=$GUARDIAN_PROVER_CONTRACT_ADDRESS
+GUARDIAN_PROVER_MINORITY_ADDRESS=$GUARDIAN_PROVER_MINORITY_ADDRESS
 L1_CONTRACT_OWNER_PRIVATE_KEY=$L1_CONTRACT_OWNER_PRIVATE_KEY
 L1_SECURITY_COUNCIL_PRIVATE_KEY=$L1_SECURITY_COUNCIL_PRIVATE_KEY
 L1_PROPOSER_PRIVATE_KEY=$L1_PROPOSER_PRIVATE_KEY

internal/testutils/suite.go

@@ -62,7 +62,7 @@ func (s *ClientTestSuite) SetupTest() {
 		TaikoL2Address:                common.HexToAddress(os.Getenv("TAIKO_L2_ADDRESS")),
 		TaikoTokenAddress:             common.HexToAddress(os.Getenv("TAIKO_TOKEN_ADDRESS")),
 		GuardianProverMajorityAddress: common.HexToAddress(os.Getenv("GUARDIAN_PROVER_CONTRACT_ADDRESS")),
-		GuardianProverMinorityAddress: common.HexToAddress(os.Getenv("GUARDIAN_PROVER_CONTRACT_ADDRESS")),
+		GuardianProverMinorityAddress: common.HexToAddress(os.Getenv("GUARDIAN_PROVER_MINORITY_ADDRESS")),
 		L2EngineEndpoint:              os.Getenv("L2_EXECUTION_ENGINE_AUTH_ENDPOINT"),
 		JwtSecret:                     string(jwtSecret),
 	})

prover/config_test.go

@@ -85,7 +85,7 @@ func (s *ProverTestSuite) TestNewConfigFromCliContextGuardianProver() {
 		"--" + flags.MinSgxTierFee.Name, fmt.Sprint(minTierFee),
 		"--" + flags.ProverCapacity.Name, "8",
 		"--" + flags.GuardianProverMajority.Name, os.Getenv("GUARDIAN_PROVER_CONTRACT_ADDRESS"),
-		"--" + flags.GuardianProverMinority.Name, os.Getenv("GUARDIAN_PROVER_CONTRACT_ADDRESS"),
+		"--" + flags.GuardianProverMinority.Name, os.Getenv("GUARDIAN_PROVER_MINORITY_ADDRESS"),
 		"--" + flags.AssignmentHookAddress.Name, os.Getenv("ASSIGNMENT_HOOK_ADDRESS"),
 		"--" + flags.Graffiti.Name, "",
 		"--" + flags.ProveUnassignedBlocks.Name,

prover/proof_producer/guardian_producer.go

@@ -18,12 +18,24 @@ type GuardianProofProducer struct {
 	DummyProofProducer
 }
 
+// MinorityGuardianProofProducer always returns an optimistic (dummy) proof.
+type MinorityGuardianProofProducer struct {
+	returnLivenessBond bool
+	DummyProofProducer
+}
+
 func NewGuardianProofProducer(returnLivenessBond bool) *GuardianProofProducer {
 	return &GuardianProofProducer{
 		returnLivenessBond: returnLivenessBond,
 	}
 }
 
+func NewMinorityGuardianProofProducer(returnLivenessBond bool) *MinorityGuardianProofProducer {
+	return &MinorityGuardianProofProducer{
+		returnLivenessBond: returnLivenessBond,
+	}
+}
+
 // RequestProof implements the ProofProducer interface.
 func (g *GuardianProofProducer) RequestProof(
 	_ context.Context,
@@ -54,7 +66,41 @@ func (g *GuardianProofProducer) RequestProof(
 	return g.DummyProofProducer.RequestProof(opts, blockID, meta, header, g.Tier())
 }
 
+func (m *MinorityGuardianProofProducer) RequestProof(
+	_ context.Context,
+	opts *ProofRequestOptions,
+	blockID *big.Int,
+	meta *bindings.TaikoDataBlockMetadata,
+	header *types.Header,
+) (*ProofWithHeader, error) {
+	log.Info(
+		"Request guardian proof",
+		"blockID", blockID,
+		"coinbase", meta.Coinbase,
+		"height", header.Number,
+		"hash", header.Hash(),
+	)
+
+	if m.returnLivenessBond {
+		return &ProofWithHeader{
+			BlockID: blockID,
+			Meta:    meta,
+			Header:  header,
+			Proof:   crypto.Keccak256([]byte("RETURN_LIVENESS_BOND")),
+			Opts:    opts,
+			Tier:    m.Tier(),
+		}, nil
+	}
+
+	return m.DummyProofProducer.RequestProof(opts, blockID, meta, header, m.Tier())
+}
+
 // Tier implements the ProofProducer interface.
 func (g *GuardianProofProducer) Tier() uint16 {
 	return encoding.TierGuardianMajorityID
 }
+
+// Tier returns TierGuardianMinorityID
+func (m *MinorityGuardianProofProducer) Tier() uint16 {
+	return encoding.TierGuardianMinorityID
+}

prover/proof_submitter/proof_submitter_test.go

@@ -45,7 +45,7 @@ func (s *ProofSubmitterTestSuite) SetupTest() {
 		s.RPCClient,
 		common.HexToAddress(os.Getenv("TAIKO_L1_ADDRESS")),
 		common.HexToAddress(os.Getenv("GUARDIAN_PROVER_CONTRACT_ADDRESS")),
-		common.HexToAddress(os.Getenv("GUARDIAN_PROVER_CONTRACT_ADDRESS")),
+		common.HexToAddress(os.Getenv("GUARDIAN_PROVER_MINORITY_ADDRESS")),
 	)
 
 	l1ProverPrivKey, err := crypto.ToECDSA(common.FromHex(os.Getenv("L1_PROVER_PRIVATE_KEY")))

prover/proof_submitter/transaction/sender_test.go

@@ -40,7 +40,7 @@ func (s *TransactionTestSuite) SetupTest() {
 		s.RPCClient,
 		common.HexToAddress(os.Getenv("TAIKO_L1_ADDRESS")),
 		common.HexToAddress(os.Getenv("GUARDIAN_PROVER_CONTRACT_ADDRESS")),
-		common.HexToAddress(os.Getenv("GUARDIAN_PROVER_CONTRACT_ADDRESS")),
+		common.HexToAddress(os.Getenv("GUARDIAN_PROVER_MINORITY_ADDRESS")),
 	)
 
 	l1ProverPrivKey, err := crypto.ToECDSA(common.FromHex(os.Getenv("L1_PROVER_PRIVATE_KEY")))