feat(proposer): proposer can only propose local transactions (#91)

.env.sample

@@ -41,3 +41,4 @@ L1_PROVER_PRIVATE_KEY=
 ENABLE_PROPOSER=false
 L1_PROPOSER_PRIVATE_KEY=      # A L1 account (with balance) private key who will send TaikoL1.proposeBlock transactions
 L2_SUGGESTED_FEE_RECIPIENT=   # A L2 account address who will be the tx fee beneficiary of the L2 blocks that you proposed
+TXPOOL_LOCALS_ONLY=false # Only propose local transactions, useful to set your proposer to only propose blocks with your prover's transactions

.env.sample.l3

@@ -43,3 +43,4 @@ L2_PROVER_PRIVATE_KEY=
 ENABLE_PROPOSER=false
 L2_PROPOSER_PRIVATE_KEY=      # A L2 account (with balance) private key who will send TaikoL1.proposeBlock L2 transactions
 L3_SUGGESTED_FEE_RECIPIENT=   # A L3 account address who will be the tx fee beneficiary of the L2 blocks that you proposed
+TXPOOL_LOCALS_ONLY=false # Only propose local transactions, useful to set your proposer to only propose blocks with your prover's transactions

script/l2/start-proposer.sh

@@ -10,6 +10,7 @@ if [ "$ENABLE_PROPOSER" == "true" ]; then
       --taikoL2 ${TAIKO_L2_ADDRESS} \
       --l1.proposerPrivKey ${L1_PROPOSER_PRIVATE_KEY} \
       --l2.suggestedFeeRecipient ${L2_SUGGESTED_FEE_RECIPIENT} \
+      --txpool.localsOnly ${TXPOOL_LOCALS_ONLY} \
       --minimalBlockGasLimit "5000000"
 else
     sleep infinity

script/l3/start-proposer.sh

@@ -10,6 +10,7 @@ if [ "$ENABLE_PROPOSER" == "true" ]; then
       --taikoL2 ${TAIKO_L2_ADDRESS} \
       --l1.proposerPrivKey ${L2_PROPOSER_PRIVATE_KEY} \
       --l2.suggestedFeeRecipient ${L3_SUGGESTED_FEE_RECIPIENT} \
+      --txpool.localsOnly ${TXPOOL_LOCALS_ONLY} \
       --minimalBlockGasLimit "5000000"
 else
     sleep infinity