From 02d9b88a3ecffbb6eb43bcaab4209ecc34bb8833 Mon Sep 17 00:00:00 2001
From: bradjohnl <luca@casperlabs.io>
Date: Thu, 20 Jun 2024 17:55:12 +0200
Subject: [PATCH 1/2] change files for rc3 2.0.0

---
 casper-node_release        |  2 +-
 config/CHANGELOG.md        |  4 +-
 config/chainspec.toml      | 89 +++++++++++++++++++++++++++-----------
 config/config-example.toml | 22 +++++++---
 4 files changed, 81 insertions(+), 36 deletions(-)

diff --git a/casper-node_release b/casper-node_release
index 4cf6061..52b8254 100644
--- a/casper-node_release
+++ b/casper-node_release
@@ -1 +1 @@
-2.0.0-79d58654935c17ed9825f2fe8981759cbebb260c
\ No newline at end of file
+2.0.0-2f0501cea5b9b064c7dd050c1762961d8808772c
\ No newline at end of file
diff --git a/config/CHANGELOG.md b/config/CHANGELOG.md
index fbacf2f..03ded6d 100644
--- a/config/CHANGELOG.md
+++ b/config/CHANGELOG.md
@@ -11,8 +11,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 [comment]: <> (Fixed:      any bug fixes)
 [comment]: <> (Security:   in case of vulnerabilities)
 
-## 2.0.0 - '2024-04-13T03:40:00Z'
-## casper-node 2.0.0 79d58654935c17ed9825f2fe8981759cbebb260c (RC1)
+## 2.0.0 - '2024-06-20T16:10:00Z'
+## casper-node 2.0.0 2f0501cea5b9b064c7dd050c1762961d8808772c (RC3)
 
 ### Added
 * Genesis accounts.toml, chainspec.toml, config-example.toml
diff --git a/config/chainspec.toml b/config/chainspec.toml
index 6aebb53..94af26f 100644
--- a/config/chainspec.toml
+++ b/config/chainspec.toml
@@ -11,7 +11,7 @@ hard_reset = true
 # 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 = '2024-04-13T03:40:00Z'
+activation_point = '2024-06-20T16:10:00Z'
 
 [network]
 # Human readable name for convenience; the genesis_hash is the true identifier.  The name influences the genesis hash by
@@ -44,6 +44,17 @@ start_protocol_version_with_strict_finality_signatures_required = '1.5.0'
 # in a protocol version before
 # `start_protocol_version_with_strict_finality_signatures_required`.
 legacy_required_finality = 'Strict'
+
+# If true, the protocol upgrade will migrate ALL userland accounts to addressable entity.
+# If false, userland accounts will instead be left as is and will be lazily migrated
+#    on a per-account basis if / when that account is used during transaction execution.
+migrate_legacy_accounts = false
+
+# If true, the protocol upgrade will migrate ALL userland contracts to addressable entity.
+# If false, userland contracts will instead be left as is and will be lazily migrated
+#    on a per-contract basis if / when that contract is used during transaction execution.
+migrate_legacy_contracts = false
+
 # 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 = 1
@@ -70,6 +81,8 @@ max_associated_keys = 100
 max_runtime_call_stack_height = 12
 # Minimum allowed delegation amount in motes
 minimum_delegation_amount = 500_000_000_000
+# Maximum allowed delegation amount in motes
+maximum_delegation_amount = 1_000_000_000_000_000_000
 # Global state prune batch size (0 = this feature is off)
 prune_batch_size = 0
 # Enables strict arguments checking when calling a contract; i.e. that all non-optional args are provided and of the correct `CLType`.
@@ -116,7 +129,9 @@ refund_handling = { type = 'no_refund' }
 #                 administrator accounts
 #   'burn': fees are burned
 fee_handling = { type = 'no_fee' }
-# Defines how fees are handled.
+# If a validator would recieve a validator credit, it cannot exceed this percentage of their total stake.
+validator_credit_cap = [1, 5]
+# Defines how pricing is handled.
 #
 # Valid options are:
 #   'classic': senders of transaction self-specify how much they pay.
@@ -127,8 +142,28 @@ pricing_handling = { type = 'fixed' }
 # execution? Currently not supported.
 #
 allow_reservations = false
-# How long does it take for a balance hold to fade away?
-balance_hold_interval = '24 hours'
+# Defines how gas holds affect available balance calculations.
+#
+# Valid options are:
+#   'accrued': sum of full value of all non-expired holds.
+#   'amortized': sum of each hold is amortized over the time remaining until expiry.
+#
+# For instance, if 12 hours remained on a gas hold with a 24-hour `gas_hold_interval`,
+#   with accrued, the full hold amount would be applied
+#   with amortized, half the hold amount would be applied
+gas_hold_balance_handling = { type = 'accrued' }
+# Defines how long gas holds last.
+#
+# If fee_handling is set to 'no_fee', the system places a balance hold on the payer
+# equal to the value the fee would have been. Such balance holds expire after a time
+# interval has elapsed. This setting controls how long that interval is. The available
+# balance of a purse equals its total balance minus the held amount(s) of non-expired
+# holds (see gas_hold_balance_handling setting for details of how that is calculated).
+#
+# For instance, if gas_hold_interval is 24 hours and 100 gas is used from a purse,
+# a hold for 100 is placed on that purse and is considered when calculating total balance
+# for 24 hours starting from the block_time when the hold was placed.
+gas_hold_interval = '24 hours'
 # List of public keys of administrator accounts. Setting this option makes only on private chains which require
 # administrator accounts for regulatory reasons.
 administrators = []
@@ -136,37 +171,39 @@ administrators = []
 [highway]
 # Highway dynamically chooses its round length, between minimum_block_time and maximum_round_length.
 maximum_round_length = '66 seconds'
-# 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]
 
 [transactions]
 # The duration after the transaction timestamp that it can be included in a block.
 max_ttl = '2 hours'
-# Maximum transaction size in bytes.  Size is of the transaction when serialized via ToBytes.
-max_transaction_size = 1_048_576
-# Maximum number of mint transactions (i.e. transfers) allowed in a block.
-block_max_mint_count = 650
-# Maximum number of auction (staking) transactions allowed in a block.
-block_max_auction_count = 100
-# Maximum number of installer/upgrader transactions allowed in a block.
-block_max_install_upgrade_count = 2
-# Maximum number of other transactions (non-transfer, non-staking, non-installer/upgrader) allowed in a block.
-block_max_standard_count = 25
 # The maximum number of approvals permitted in a single block.
 block_max_approval_count = 2600
 # Maximum block size in bytes including transactions contained by the block.  0 means unlimited.
 max_block_size = 5_242_880
 # The upper limit of total gas of all transactions in a block.
-block_gas_limit = 4_000_000_000_000
+block_gas_limit = 3_000_000_000_000
 # The minimum amount in motes for a valid native transfer.
 native_transfer_minimum_motes = 2_500_000_000
 # The maximum value to which `transaction_acceptor.timestamp_leeway` can be set in the config.toml file.
 max_timestamp_leeway = '5 seconds'
 
 [transactions.v1]
+# The configuration settings for the lanes of transactions including both native and Wasm based interactions.
+# Currently the node supports two native interactions the mint and auction and have the reserved identifiers of 0 and 1
+# repsectively
+# The remaining wasm based lanes specify the range of configuration settings for a given Wasm based transaction
+# within a given lane.
 # The maximum length in bytes of runtime args per V1 transaction.
-max_args_length = 1024
+# [0] -> Transaction lane label (apart from the reserved native identifiers these are simply labels)
+# Note: For the given mainnet implementation we specially reserve the label 2 for install and upgrades and
+# the lane must be present and defined.
+# Different casper networks may not impose such a restriction.
+# [1] -> Max transaction size in bytes for a given transaction in a certain lane
+# [2] -> Max args length size in bytes for a given transaction in a certain lane
+# [3] -> Transaction gas limit size in bytes for a given transaction in a certain lane
+# [4] -> The maximum number of transactions the lane can contain
+native_mint_lane = [0, 1024, 1024, 65_000_000_000, 650]
+native_auction_lane = [1, 2048, 2048, 362_500_000_000, 145]
+wasm_lanes = [[2, 1_048_576, 2048, 1_000_000_000_000, 2], [3, 262_144, 1024, 100_000_000_000, 3], [4, 131_072, 1024, 50_000_000_000, 5], [5, 8_192, 512, 1_500_000_000, 15]]
 
 [transactions.deploy]
 # The maximum number of Motes allowed to be spent during payment.  0 means unlimited.
@@ -245,7 +282,7 @@ size_multiplier = 100
 [wasm.host_function_costs]
 add = { cost = 5_800, arguments = [0, 0, 0, 0] }
 add_associated_key = { cost = 1_200_000, arguments = [0, 0, 0] }
-add_contract_version = { cost = 200, arguments = [0, 0, 0, 0, 120_000, 0, 0, 0, 0, 0, 0] }
+add_contract_version = { cost = 200, arguments = [0, 0, 0, 0, 120_000, 0, 0, 0, 30_000, 0, 0] }
 blake2b = { cost = 1_200_000, arguments = [0, 120_000, 0, 0] }
 call_contract = { cost = 300_000_000, arguments = [0, 0, 0, 120_000, 0, 120_000, 0] }
 call_versioned_contract = { cost = 300_000_000, arguments = [0, 0, 0, 0, 0, 120_000, 0, 120_000, 0] }
@@ -272,7 +309,7 @@ provision_contract_user_group_uref = { cost = 200, arguments = [0, 0, 0, 0, 0] }
 put_key = { cost = 100_000_000, arguments = [0, 120_000, 0, 120_000] }
 read_host_buffer = { cost = 3_500, arguments = [0, 310, 0] }
 read_value = { cost = 60_000, arguments = [0, 120_000, 0] }
-read_value_local = { cost = 5_500, arguments = [0, 590, 0] }
+dictionary_get = { 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, 120_000] }
@@ -285,10 +322,10 @@ transfer_from_purse_to_purse = { cost = 82_000_000, arguments = [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] }
+dictionary_put = { cost = 9_500, arguments = [0, 1_800, 0, 520] }
 enable_contract_version = { cost = 200, arguments = [0, 0, 0, 0] }
-manage_message_topic = { cost = 200, arguments = [0, 0, 0, 0] }
-emit_message = { cost = 200, arguments = [0, 0, 0, 0] }
+manage_message_topic = { cost = 200, arguments = [0, 30_000, 0, 0] }
+emit_message = { cost = 200, arguments = [0, 30_000, 0, 120_000] }
 cost_increase_per_message = 50
 
 [wasm.messages_limits]
@@ -297,8 +334,6 @@ max_topics_per_contract = 128
 max_message_size = 1_024
 
 [system_costs]
-install_upgrade_gas_limit = 3_500_000_000_000
-standard_transaction_gas_limit = 500_000_000_000
 
 [system_costs.auction_costs]
 get_era_validators = 10_000
@@ -315,12 +350,14 @@ withdraw_validator_reward = 10_000
 read_era_id = 10_000
 activate_bid = 10_000
 redelegate = 2_500_000_000
+change_bid_public_key = 5_000_000_000
 
 [system_costs.mint_costs]
 mint = 2_500_000_000
 reduce_total_supply = 10_000
 create = 2_500_000_000
 balance = 10_000
+burn = 10_000
 transfer = 100_000_000
 read_base_round_reward = 10_000
 mint_into_existing_purse = 2_500_000_000
diff --git a/config/config-example.toml b/config/config-example.toml
index ec75f13..21178d6 100644
--- a/config/config-example.toml
+++ b/config/config-example.toml
@@ -34,8 +34,19 @@ force_resync = false
 shutdown_for_upgrade_timeout = '2 minutes'
 
 # Maximum time a node will wait for an upgrade to commit.
-upgrade_timeout = '30 seconds'
-
+upgrade_timeout = '3 hours'
+
+# The node detects when it should do a controlled shutdown when it is in a detectably bad state
+# in order to avoid potentially catastrophic uncontrolled crashes. Generally, a node should be
+# allowed to shutdown, and if restarted that node will generally recover gracefully and resume
+# normal operation. However, actively validating nodes have subjective state in memory that is
+# lost on shutdown / restart and must be reacquired from other validating nodes on restart.
+# If all validating nodes shutdown in the middle of an era, social consensus is required to restart
+# the network. As a mitigation for that, the following config can be set to true on some validator
+# nodes to cause nodes that are supposed to be validators in the current era to ignore controlled
+# shutdown events and stay up. This allows them to act as sentinels for the consensus data for
+# other restarting nodes. This config is inert on non-validating nodes.
+prevent_validator_shutdown = false
 
 # =================================
 # Configuration options for logging
@@ -306,11 +317,8 @@ allow_request_get_trie = false
 # Flag that enables the `TrySpeculativeExec` request. Disabled by default.
 allow_request_speculative_exec = false
 
-# Maximum size of a request in bytes.
-max_request_size_bytes = 4_194_304
-
-# Maximum size of a response in bytes.
-max_response_size_bytes = 4_194_304
+# Maximum size of a message in bytes.
+max_message_size_bytes = 4_194_304
 
 # Maximum number of in-flight requests per client.
 client_request_limit = 3

From 6056de4b1bb7d84e82a6cd5c1c7a3af59280030f Mon Sep 17 00:00:00 2001
From: bradjohnl <luca@casperlabs.io>
Date: Thu, 20 Jun 2024 17:56:57 +0200
Subject: [PATCH 2/2] change activation point

---
 config/CHANGELOG.md   | 2 +-
 config/chainspec.toml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/config/CHANGELOG.md b/config/CHANGELOG.md
index 03ded6d..72d0b70 100644
--- a/config/CHANGELOG.md
+++ b/config/CHANGELOG.md
@@ -11,7 +11,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 [comment]: <> (Fixed:      any bug fixes)
 [comment]: <> (Security:   in case of vulnerabilities)
 
-## 2.0.0 - '2024-06-20T16:10:00Z'
+## 2.0.0 - '2024-06-20T16:30:00Z'
 ## casper-node 2.0.0 2f0501cea5b9b064c7dd050c1762961d8808772c (RC3)
 
 ### Added
diff --git a/config/chainspec.toml b/config/chainspec.toml
index 94af26f..01c8f2a 100644
--- a/config/chainspec.toml
+++ b/config/chainspec.toml
@@ -11,7 +11,7 @@ hard_reset = true
 # 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 = '2024-06-20T16:10:00Z'
+activation_point = '2024-06-20T16:30:00Z'
 
 [network]
 # Human readable name for convenience; the genesis_hash is the true identifier.  The name influences the genesis hash by