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Protocol parameters​

Returns the current blockchain protocol parameters

Responses

Get protocol params

Schema
    data object required
    collateral_percentage int64 required
    constitutional_committee_max_term_length int64 nullable
    constitutional_committee_min_size int64 nullable
    delegate_representative_deposit object nullable

    DRep action deposit (introduced in Conway)

    ada object required
    lovelace int64 required
    delegate_representative_max_idle_time int64 nullable
    delegate_representative_voting_thresholds object nullable

    DRep voting thresholds (introduced in Conway)

    constitution string required
    constitutional_committee object required
    default string required
    state_of_no_confidence string required
    hard_fork_initiation string required
    no_confidence string required
    protocol_parameters_update object required
    economic string required
    governance string required
    network string required
    technical string required
    treasury_withdrawals string required
    desired_number_of_stake_pools int64 required
    governance_action_deposit object nullable

    Governance action deposit (introduced in Conway)

    ada object required
    lovelace int64 required
    governance_action_lifetime int64 nullable
    max_block_body_size object required

    Maximum number of bytes allowed for a block body

    bytes int64 required

    Maximum number of bytes allowed for a block body

    max_block_header_size object required

    Maximum number of bytes allowed for a block header

    bytes int64 required

    Maximum number of bytes allowed for a block header

    max_collateral_inputs int64 required
    max_execution_units_per_block object required

    Maximum execution units

    cpu int64 required

    Maximum execution CPU units

    memory int64 required

    Maximum execution memory units

    max_execution_units_per_transaction object required

    Maximum execution units

    cpu int64 required

    Maximum execution CPU units

    memory int64 required

    Maximum execution memory units

    max_reference_scripts_size object nullable

    Maximum reference script size (introduced in Conway)

    bytes int64 required
    max_transaction_size object required

    Maximum number of bytes allowed for a transaction

    bytes int64 required

    Maximum number of bytes allowed for a transaction

    max_value_size object required

    Maximum value size

    bytes int64 required

    Maximum value size

    min_fee_coefficient int64 required
    min_fee_constant object required

    Minimum ADA fee

    ada object required
    lovelace int64 required
    min_fee_reference_scripts object nullable

    Parameters for reference script fee calculation (introduced in Conway)

    base double required
    multiplier double required
    range int64 required
    min_stake_pool_cost object required

    Minimum stake pool cost

    ada object required
    lovelace int64 required
    min_utxo_deposit_coefficient int64 required
    min_utxo_deposit_constant object required

    Minimum UTxO deposit amount

    ada object required
    lovelace int64 required
    monetary_expansion string required
    plutus_cost_models object required

    Plutus script execution cost models

    plutus_v1 int64[] required

    Plutus script v1 execution cost model

    plutus_v2 int64[] required

    Plutus script v2 execution cost model

    plutus_v3 int64[] nullable

    Plutus script v3 execution cost model (introduced in Conway)

    script_execution_prices object required

    Script execution prices

    cpu string required

    Script execution CPU price

    memory string required

    Script execution memory price

    stake_credential_deposit object required

    Stake deposit amount

    ada object required
    lovelace int64 required
    stake_pool_deposit object required

    Stake deposit amount

    ada object required
    lovelace int64 required
    stake_pool_pledge_influence string required
    stake_pool_retirement_epoch_bound int64 required
    stake_pool_voting_thresholds object nullable

    Stake pool voting thresholds (introduced in Conway)

    constitutional_committee object required
    default string required
    state_of_no_confidence string required
    hard_fork_initiation string required
    no_confidence string required
    protocol_parameters_update object required
    security string required
    treasury_expansion string required
    version object required
    major int32 required
    minor int32 required
    last_updated object required

    Details of the most recent block processed by the indexer (aka chain tip); that is, the data returned is correct as of this block in time.

    block_hash string required

    Hex-encoded hash of the most recently processed block (aka chain tip)

    block_slot int64 required

    Absolute slot of the most recently processed block (aka chain tip)

    timestamp string required

    UTC timestamp of when the most recently processed block was minted

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