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optimism_rollupConfig RPC Method

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Updated on
Jan 19, 2026

optimism_rollupConfig RPC Method

Parameters

This method does not accept any parameters

Returns

result
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genesis
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l1
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hash
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number
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l2
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hash
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number
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l2_time
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system_config
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batcherAddr
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overhead
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scalar
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gasLimit
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block_time
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max_sequencer_drift
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seq_window_size
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channel_timeout
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l1_chain_id
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l2_chain_id
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regolith_time
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canyon_time
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delta_time
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fjord_time
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ecotone_time
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batch_inbox_address
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deposit_contract_address
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l1_system_config_address
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protocol_versions_address
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da_challenge_contract_address
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Request
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curl -X POST "https://docs-demo.b3-mainnet.quiknode.pro/" \
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-H "Content-Type: application/json" \
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-d '{
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"jsonrpc": "2.0",
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"method": "optimism_rollupConfig",
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"params": [],
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"id": 1
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}'
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curl -X POST "https://docs-demo.b3-mainnet.quiknode.pro/" \
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-H "Content-Type: application/json" \
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-d '{
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"jsonrpc": "2.0",
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"method": "optimism_rollupConfig",
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"params": [],
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"id": 1
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}'
Response
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{
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"jsonrpc": "2.0",
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"id": 1,
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"result": {
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"genesis": {
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"l1": {
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"hash": "0x11530134005e6534c7c9e8991ddd3db8a785b64864f472718a73685b2e3c2198",
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"number": 17792955
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},
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"l2": {
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"hash": "0x2928feba8aa588749e3fb4a69a560c7850ebc7b8dbc94156c41a7503643887f0",
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"number": 0
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},
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"l2_time": 1722375257,
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"system_config": {
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"batcherAddr": "0x1af3f4e08a16b93ccbdf6887549697f17f9cf78a",
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"overhead": "0x0000000000000000000000000000000000000000000000000000000000000834",
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"scalar": "0x01000000000000000000000000000000000000000000000000000000000a31c2",
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"gasLimit": 30000000,
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"eip1559Params": "0x0000000000000000",
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"operatorFeeParams": "0x0000000000000000000000000000000000000000000000000000000000000000",
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"minBaseFee": 0,
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"daFootprintGasScalar": 0
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}
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},
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"block_time": 1,
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"max_sequencer_drift": 3600,
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"seq_window_size": 129600,
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"channel_timeout": 300,
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"l1_chain_id": 8453,
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"l2_chain_id": 8333,
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"regolith_time": 0,
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"canyon_time": 0,
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"delta_time": 0,
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"ecotone_time": 0,
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"fjord_time": 0,
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"batch_inbox_address": "0xfc536ab2cc1e784ae181ca8a23b3e9c828b934a8",
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"deposit_contract_address": "0x3a314a6a3c1470bf2854960d3ce9d2435c7ba794",
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"l1_system_config_address": "0xa9bc65ff5a3106351fa92b04c91d505bccd92cad",
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"protocol_versions_address": "0x0000000000000000000000000000000000000000",
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"chain_op_config": {
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"eip1559Elasticity": 6,
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"eip1559Denominator": 50,
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"eip1559DenominatorCanyon": 250
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},
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"pectra_blob_schedule_time": 1765997497
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}
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}
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{
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"jsonrpc": "2.0",
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"id": 1,
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"result": {
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"genesis": {
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"l1": {
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"hash": "0x11530134005e6534c7c9e8991ddd3db8a785b64864f472718a73685b2e3c2198",
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"number": 17792955
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},
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"l2": {
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"hash": "0x2928feba8aa588749e3fb4a69a560c7850ebc7b8dbc94156c41a7503643887f0",
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"number": 0
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},
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"l2_time": 1722375257,
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"system_config": {
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"batcherAddr": "0x1af3f4e08a16b93ccbdf6887549697f17f9cf78a",
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"overhead": "0x0000000000000000000000000000000000000000000000000000000000000834",
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"scalar": "0x01000000000000000000000000000000000000000000000000000000000a31c2",
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"gasLimit": 30000000,
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"eip1559Params": "0x0000000000000000",
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"operatorFeeParams": "0x0000000000000000000000000000000000000000000000000000000000000000",
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"minBaseFee": 0,
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"daFootprintGasScalar": 0
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}
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},
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"block_time": 1,
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"max_sequencer_drift": 3600,
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"seq_window_size": 129600,
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"channel_timeout": 300,
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"l1_chain_id": 8453,
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"l2_chain_id": 8333,
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"regolith_time": 0,
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"canyon_time": 0,
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"delta_time": 0,
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"ecotone_time": 0,
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"fjord_time": 0,
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"batch_inbox_address": "0xfc536ab2cc1e784ae181ca8a23b3e9c828b934a8",
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"deposit_contract_address": "0x3a314a6a3c1470bf2854960d3ce9d2435c7ba794",
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"l1_system_config_address": "0xa9bc65ff5a3106351fa92b04c91d505bccd92cad",
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"protocol_versions_address": "0x0000000000000000000000000000000000000000",
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"chain_op_config": {
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"eip1559Elasticity": 6,
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"eip1559Denominator": 50,
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"eip1559DenominatorCanyon": 250
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},
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"pectra_blob_schedule_time": 1765997497
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}
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}
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