chainspec.toml.in

[protocol]
# Protocol version.
version = '1.0.0'
# Whether we need to clear latest blocks back to the switch block just before the activation point or not.
hard_reset = false
# This protocol version becomes active at this point.
#
# If it is a timestamp string, it represents the timestamp for the genesis block.  This is the beginning of era 0.  By
# this time, a sufficient majority (> 50% + F/2 — see finality_threshold_fraction below) of validator nodes must be up
# and running to start the blockchain.  This timestamp is also used in seeding the pseudo-random number generator used
# in contract-runtime for computing genesis post-state hash.
#
# If it is an integer, it represents an era ID, meaning the protocol version becomes active at the start of this era.
activation_point = '${TIMESTAMP}'

[network]
# Human readable name for convenience; the genesis_hash is the true identifier.  The name influences the genesis hash by
# contributing to the seeding of the pseudo-random number generator used in contract-runtime for computing genesis
# post-state hash.
name = 'casper-example'
# The maximum size of an acceptable networking message in bytes.  Any message larger than this will
# be rejected at the networking level.
maximum_net_message_size = 23_068_672

[core]
# Era duration.
era_duration = '41seconds'
# Minimum number of blocks per era.  An era will take longer than `era_duration` if that is necessary to reach the
# minimum height.
minimum_era_height = 10
# Number of slots available in validator auction.
validator_slots = 5
# Number of eras before an auction actually defines the set of validators.  If you bond with a sufficient bid in era N,
# you will be a validator in era N + auction_delay + 1.
auction_delay = 3
# The period after genesis during which a genesis validator's bid is locked.
locked_funds_period = '90days'
# The period in which genesis validator's bid is released over time after it's unlocked.
vesting_schedule_period = '13 weeks'
# Default number of eras that need to pass to be able to withdraw unbonded funds.
unbonding_delay = 14
# Round seigniorage rate represented as a fraction of the total supply.
#
# Annual issuance: 2%
# Minimum round exponent: 12
# Ticks per year: 31536000000
#
# (1+0.02)^((2^12)/31536000000)-1 is expressed as a fractional number below.
round_seigniorage_rate = [15_959, 6_204_824_582_392]
# Maximum number of associated keys for a single account.
max_associated_keys = 100
# Maximum height of contract runtime call stack.
max_runtime_call_stack_height = 12
# Minimum allowed delegation amount in motes
minimum_delegation_amount = 500_000_000_000
# Enables strict arguments checking when calling a contract; i.e. that all non-optional args are provided and of the correct `CLType`.
strict_argument_checking = false

[highway]
# A number between 0 and 1 representing the fault tolerance threshold as a fraction, used by the internal finalizer.
# It is the fraction of validators that would need to equivocate to make two honest nodes see two conflicting blocks as
# finalized: A higher value F makes it safer to rely on finalized blocks.  It also makes it more difficult to finalize
# blocks, however, and requires strictly more than (F + 1)/2 validators to be working correctly.
finality_threshold_fraction = [1, 3]
# Integer between 0 and 255.  The power of two that is the number of milliseconds in the minimum round length, and
# therefore the minimum delay between a block and its child.  E.g. 14 means 2^14 milliseconds, i.e. about 16 seconds.
minimum_round_exponent = 12
# Integer between 0 and 255.  Must be greater than `minimum_round_exponent`.  The power of two that is the number of
# milliseconds in the maximum round length, and therefore the maximum delay between a block and its child.  E.g. 19
# means 2^19 milliseconds, i.e. about 8.7 minutes.
maximum_round_exponent = 19
# The factor by which rewards for a round are multiplied if the greatest summit has ≤50% quorum, i.e. no finality.
# Expressed as a fraction (1/5 by default).
reduced_reward_multiplier = [1, 5]

[deploys]
# The maximum number of Motes allowed to be spent during payment.  0 means unlimited.
max_payment_cost = '0'
# The duration after the deploy timestamp that it can be included in a block.
max_ttl = '1day'
# The maximum number of other deploys a deploy can depend on (require to have been executed before it can execute).
max_dependencies = 10
# Maximum block size in bytes including deploys contained by the block.  0 means unlimited.
max_block_size = 10_485_760
# Maximum deploy size in bytes.  Size is of the deploy when serialized via ToBytes.
max_deploy_size = 1_048_576
# The maximum number of non-transfer deploys permitted in a single block.
block_max_deploy_count = 100
# The maximum number of wasm-less transfer deploys permitted in a single block.
block_max_transfer_count = 1000
# The maximum number of approvals permitted in a single block.
block_max_approval_count = 2600
# The upper limit of total gas of all deploys in a block.
block_gas_limit = 10_000_000_000_000
# The limit of length of serialized payment code arguments.
payment_args_max_length = 1024
# The limit of length of serialized session code arguments.
session_args_max_length = 1024
# The minimum amount in motes for a valid native transfer.
native_transfer_minimum_motes = 2_500_000_000

[wasm]
# Amount of free memory (in 64kB pages) each contract can use for stack.
max_memory = 64
# Max stack height (native WebAssembly stack limiter).
max_stack_height = 188

[wasm.storage_costs]
# Gas charged per byte stored in the global state.
gas_per_byte = 630_000

[wasm.opcode_costs]
# Bit operations multiplier.
bit = 300
# Arithmetic add operations multiplier.
add = 210
# Mul operations multiplier.
mul = 240
# Div operations multiplier.
div = 320
# Memory load operation multiplier.
load = 2_500
# Memory store operation multiplier.
store = 4_700
# Const store operation multiplier.
const = 110
# Local operations multiplier.
local = 390
# Global operations multiplier.
global = 390
# Control flow operations multiplier.
control_flow = 440
# Integer operations multiplier.
integer_comparison = 250
# Conversion operations multiplier.
conversion = 420
# Unreachable operation multiplier.
unreachable = 270
# Nop operation multiplier.
nop = 200
# Get current memory operation multiplier.
current_memory = 290
# Grow memory cost, per page (64kb).
grow_memory = 240_000
# Regular opcode cost.
regular = 210

# Host function declarations are located in smart_contracts/contract/src/ext_ffi.rs
[wasm.host_function_costs]
add = { cost = 5_800, arguments = [0, 0, 0, 0] }
add_associated_key = { cost = 9_000, arguments = [0, 0, 0] }
add_contract_version = { cost = 200, arguments = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] }
blake2b = { cost = 200, arguments = [0, 0, 0, 0] }
call_contract = { cost = 4_500, arguments = [0, 0, 0, 0, 0, 420, 0] }
call_versioned_contract = { cost = 4_500, arguments = [0, 0, 0, 0, 0, 0, 0, 420, 0] }
create_contract_package_at_hash = { cost = 200, arguments = [0, 0] }
create_contract_user_group = { cost = 200, arguments = [0, 0, 0, 0, 0, 0, 0, 0] }
create_purse = { cost = 2_500_000_000, arguments = [0, 0] }
disable_contract_version = { cost = 200, arguments = [0, 0, 0, 0] }
get_balance = { cost = 3_800, arguments = [0, 0, 0] }
get_blocktime = { cost = 330, arguments = [0] }
get_caller = { cost = 380, arguments = [0] }
get_key = { cost = 2_000, arguments = [0, 440, 0, 0, 0] }
get_main_purse = { cost = 1_300, arguments = [0] }
get_named_arg = { cost = 200, arguments = [0, 0, 0, 0] }
get_named_arg_size = { cost = 200, arguments = [0, 0, 0] }
get_phase = { cost = 710, arguments = [0] }
get_system_contract = { cost = 1_100, arguments = [0, 0, 0] }
has_key = { cost = 1_500, arguments = [0, 840] }
is_valid_uref = { cost = 760, arguments = [0, 0] }
load_named_keys = { cost = 42_000, arguments = [0, 0] }
new_uref = { cost = 17_000, arguments = [0, 0, 590] }
random_bytes = { cost = 200, arguments = [0, 0] }
print = { cost = 20_000, arguments = [0, 4_600] }
provision_contract_user_group_uref = { cost = 200, arguments = [0, 0, 0, 0, 0] }
put_key = { cost = 38_000, arguments = [0, 1_100, 0, 0] }
read_host_buffer = { cost = 3_500, arguments = [0, 310, 0] }
read_value = { cost = 6_000, arguments = [0, 0, 0] }
read_value_local = { cost = 5_500, arguments = [0, 590, 0] }
remove_associated_key = { cost = 4_200, arguments = [0, 0] }
remove_contract_user_group = { cost = 200, arguments = [0, 0, 0, 0] }
remove_contract_user_group_urefs = { cost = 200, arguments = [0, 0, 0, 0, 0, 0] }
remove_key = { cost = 61_000, arguments = [0, 3_200] }
ret = { cost = 23_000, arguments = [0, 420_000] }
revert = { cost = 500, arguments = [0] }
set_action_threshold = { cost = 74_000, arguments = [0, 0] }
transfer_from_purse_to_account = { cost = 2_500_000_000, arguments = [0, 0, 0, 0, 0, 0, 0, 0, 0] }
transfer_from_purse_to_purse = { cost = 82_000, arguments = [0, 0, 0, 0, 0, 0, 0, 0] }
transfer_to_account = { cost = 2_500_000_000, arguments = [0, 0, 0, 0, 0, 0, 0] }
update_associated_key = { cost = 4_200, arguments = [0, 0, 0] }
write = { cost = 14_000, arguments = [0, 0, 0, 980] }
write_local = { cost = 9_500, arguments = [0, 1_800, 0, 520] }

[system_costs]
wasmless_transfer_cost = 100_000_000

[system_costs.auction_costs]
get_era_validators = 10_000
read_seigniorage_recipients = 10_000
add_bid = 10_000
withdraw_bid = 10_000
delegate = 10_000
undelegate = 10_000
run_auction = 10_000
slash = 10_000
distribute = 10_000
withdraw_delegator_reward = 10_000
withdraw_validator_reward = 10_000
read_era_id = 10_000
activate_bid = 10_000

[system_costs.mint_costs]
mint = 2_500_000_000
reduce_total_supply = 10_000
create = 2_500_000_000
balance = 10_000
transfer = 10_000
read_base_round_reward = 10_000

[system_costs.handle_payment_costs]
get_payment_purse = 10_000
set_refund_purse = 10_000
get_refund_purse = 10_000
finalize_payment = 10_000

[system_costs.standard_payment_costs]
pay = 10_000