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feat: introduce conway primitives (#290)

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Co-authored-by: lisicky <lisicky@inbox.ru>
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Harper 2023-11-03 15:22:06 +00:00 • committed by GitHub
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2
pallas-primitives/src/babbage/model.rs
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//! Ledger primitives and cbor codec for the Alonzo era
//! Ledger primitives and cbor codec for the Babbage era
//!
//! Handcrafted, idiomatic rust artifacts based on based on the [Babbage CDDL](https://github.com/input-output-hk/cardano-ledger/blob/master/eras/babbage/test-suite/cddl-files/babbage.cddl) file in IOHK repo.

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pallas-primitives/src/conway/defs.cddl Normal file
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; fetched 11 sep 2023
block =
[ header
, transaction_bodies : [* transaction_body]
, transaction_witness_sets : [* transaction_witness_set]
, auxiliary_data_set : {* transaction_index => auxiliary_data }
, invalid_transactions : [* transaction_index ]
]; Valid blocks must also satisfy the following two constraints:
; 1) the length of transaction_bodies and transaction_witness_sets
; must be the same
; 2) every transaction_index must be strictly smaller than the
; length of transaction_bodies
transaction =
[ transaction_body
, transaction_witness_set
, bool
, auxiliary_data / null
]
transaction_index = uint .size 2
header =
[ header_body
, body_signature : $kes_signature
]
header_body =
[ block_number : uint
, slot : uint
, prev_hash : $hash32 / null
, issuer_vkey : $vkey
, vrf_vkey : $vrf_vkey
, vrf_result : $vrf_cert ; replaces nonce_vrf and leader_vrf
, block_body_size : uint
, block_body_hash : $hash32 ; merkle triple root
, operational_cert
, protocol_version
]
operational_cert =
( hot_vkey : $kes_vkey
, sequence_number : uint
, kes_period : uint
, sigma : $signature
)
next_major_protocol_version = 10
major_protocol_version = 1..next_major_protocol_version
protocol_version = (major_protocol_version, uint)
transaction_body =
{ 0 : set<transaction_input> ; inputs
, 1 : [* transaction_output]
, 2 : coin ; fee
, ? 3 : uint ; time to live
, ? 4 : [+ certificate]
, ? 5 : withdrawals
, ? 7 : auxiliary_data_hash
, ? 8 : uint ; validity interval start
, ? 9 : mint
, ? 11 : script_data_hash
, ? 13 : nonempty_set<transaction_input> ; collateral inputs
, ? 14 : required_signers
, ? 15 : network_id
, ? 16 : transaction_output ; collateral return
, ? 17 : coin ; total collateral
, ? 18 : nonempty_set<transaction_input> ; reference inputs
, ? 19 : voting_procedures ; New; Voting procedures
, ? 20 : [+ proposal_procedure] ; New; Proposal procedures
, ? 21 : coin ; New; current treasury value
, ? 22 : positive_coin ; New; donation
}
voting_procedures = { + voter => { + gov_action_id => voting_procedure } }
voting_procedure =
[ vote
, anchor / null
]
proposal_procedure =
[ deposit : coin
, reward_account
, gov_action
, anchor
]
gov_action =
[ parameter_change_action
// hard_fork_initiation_action
// treasury_withdrawals_action
// no_confidence
// new_committee
// new_constitution
// info_action
]
parameter_change_action = (0, gov_action_id / null, protocol_param_update)
hard_fork_initiation_action = (1, gov_action_id / null, [protocol_version])
treasury_withdrawals_action = (2, { $reward_account => coin })
no_confidence = (3, gov_action_id / null)
new_committee = (4, gov_action_id / null, set<$committee_cold_credential>, committee)
new_constitution = (5, gov_action_id / null, constitution)
committee = [{ $committee_cold_credential => epoch }, unit_interval]
constitution =
[ anchor
, scripthash / null
]
info_action = 6
; Constitutional Committee Hot KeyHash: 0
; Constitutional Committee Hot ScriptHash: 1
; DRep KeyHash: 2
; DRep ScriptHash: 3
; StakingPool KeyHash: 4
voter =
[ 0, addr_keyhash
// 1, scripthash
// 2, addr_keyhash
// 3, scripthash
// 4, addr_keyhash
]
anchor =
[ anchor_url : url
, anchor_data_hash : $hash32
]
; no - 0
; yes - 1
; abstain - 2
vote = 0 .. 2
gov_action_id =
[ transaction_id : $hash32
, gov_action_index : uint
]
required_signers = nonempty_set<$addr_keyhash>
transaction_input = [ transaction_id : $hash32
, index : uint
]
transaction_output = legacy_transaction_output / post_alonzo_transaction_output
legacy_transaction_output =
[ address
, amount : value
, ? datum_hash : $hash32
]
post_alonzo_transaction_output =
{ 0 : address
, 1 : value
, ? 2 : datum_option ; datum option
, ? 3 : script_ref ; script reference
}
script_data_hash = $hash32
; This is a hash of data which may affect evaluation of a script.
; This data consists of:
; - The redeemers from the transaction_witness_set (the value of field 5).
; - The datums from the transaction_witness_set (the value of field 4).
; - The value in the costmdls map corresponding to the script's language
; (in field 18 of protocol_param_update.)
; (In the future it may contain additional protocol parameters.)
;
; Since this data does not exist in contiguous form inside a transaction, it needs
; to be independently constructed by each recipient.
;
; The bytestring which is hashed is the concatenation of three things:
; redeemers || datums || language views
; The redeemers are exactly the data present in the transaction witness set.
; Similarly for the datums, if present. If no datums are provided, the middle
; field is omitted (i.e. it is the empty/null bytestring).
;
; language views CDDL:
; { * language => script_integrity_data }
;
; This must be encoded canonically, using the same scheme as in
; RFC7049 section 3.9:
; - Maps, strings, and bytestrings must use a definite-length encoding
; - Integers must be as small as possible.
; - The expressions for map length, string length, and bytestring length
; must be as short as possible.
; - The keys in the map must be sorted as follows:
; - If two keys have different lengths, the shorter one sorts earlier.
; - If two keys have the same length, the one with the lower value
; in (byte-wise) lexical order sorts earlier.
;
; For PlutusV1 (language id 0), the language view is the following:
; - the value of costmdls map at key 0 (in other words, the script_integrity_data)
; is encoded as an indefinite length list and the result is encoded as a bytestring.
; (our apologies)
; For example, the script_integrity_data corresponding to the all zero costmodel for V1
; would be encoded as (in hex):
; 58a89f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ff
; - the language ID tag is also encoded twice. first as a uint then as
; a bytestring. (our apologies)
; Concretely, this means that the language version for V1 is encoded as
; 4100 in hex.
; For PlutusV2 (language id 1), the language view is the following:
; - the value of costmdls map at key 1 is encoded as an definite length list.
; For example, the script_integrity_data corresponding to the all zero costmodel for V2
; would be encoded as (in hex):
; 98af0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
; - the language ID tag is encoded as expected.
; Concretely, this means that the language version for V2 is encoded as
; 01 in hex.
; For PlutusV3 (language id 2), the language view is the following:
; - the value of costmdls map at key 2 is encoded as a definite length list.
;
; Note that each Plutus language represented inside a transaction must have
; a cost model in the costmdls protocol parameter in order to execute,
; regardless of what the script integrity data is.
;
; Finally, note that in the case that a transaction includes datums but does not
; include the redeemers field, the script data format becomes (in hex):
; [ 80 | datums | A0 ]
; corresponding to a CBOR empty list and an empty map.
; Note that a transaction might include the redeemers field and it to the
; empty map, in which case the user supplied encoding of the empty map is used.
; address = bytes
; reward_account = bytes
; address format:
; [ 8 bit header | payload ];
;
; shelley payment addresses:
; bit 7: 0
; bit 6: base/other
; bit 5: pointer/enterprise [for base: stake cred is keyhash/scripthash]
; bit 4: payment cred is keyhash/scripthash
; bits 3-0: network id
;
; reward addresses:
; bits 7-5: 111
; bit 4: credential is keyhash/scripthash
; bits 3-0: network id
;
; byron addresses:
; bits 7-4: 1000
; 0000: base address: keyhash28,keyhash28
; 0001: base address: scripthash28,keyhash28
; 0010: base address: keyhash28,scripthash28
; 0011: base address: scripthash28,scripthash28
; 0100: pointer address: keyhash28, 3 variable length uint
; 0101: pointer address: scripthash28, 3 variable length uint
; 0110: enterprise address: keyhash28
; 0111: enterprise address: scripthash28
; 1000: byron address
; 1110: reward account: keyhash28
; 1111: reward account: scripthash28
; 1001 - 1101: future formats
certificate =
[ stake_registration
// stake_deregistration
// stake_delegation
// pool_registration
// pool_retirement
// reg_cert
// unreg_cert
// vote_deleg_cert
// stake_vote_deleg_cert
// stake_reg_deleg_cert
// vote_reg_deleg_cert
// stake_vote_reg_deleg_cert
// auth_committee_hot_cert
// resign_committee_cold_cert
// reg_drep_cert
// unreg_drep_cert
// update_drep_cert
]
stake_registration = (0, stake_credential) ; to be deprecated in era after Conway
stake_deregistration = (1, stake_credential) ; to be deprecated in era after Conway
stake_delegation = (2, stake_credential, pool_keyhash)
; POOL
pool_registration = (3, pool_params)
pool_retirement = (4, pool_keyhash, epoch)
; numbers 5 and 6 used to be the Genesis and MIR certificates respectively,
; which were deprecated in Conway
; DELEG
reg_cert = (7, stake_credential, coin)
unreg_cert = (8, stake_credential, coin)
vote_deleg_cert = (9, stake_credential, drep)
stake_vote_deleg_cert = (10, stake_credential, pool_keyhash, drep)
stake_reg_deleg_cert = (11, stake_credential, pool_keyhash, coin)
vote_reg_deleg_cert = (12, stake_credential, drep, coin)
stake_vote_reg_deleg_cert = (13, stake_credential, pool_keyhash, drep, coin)
; GOVCERT
auth_committee_hot_cert = (14, committee_cold_credential, committee_hot_credential)
resign_committee_cold_cert = (15, committee_cold_credential)
reg_drep_cert = (16, drep_credential, coin, anchor / null)
unreg_drep_cert = (17, drep_credential, coin)
update_drep_cert = (18, drep_credential, anchor / null)
delta_coin = int
credential =
[ 0, addr_keyhash
// 1, scripthash
]
drep =
[ 0, addr_keyhash
// 1, scripthash
// 2 ; always abstain
// 3 ; always no confidence
]
stake_credential = credential
drep_credential = credential
committee_cold_credential = credential
committee_hot_credential = credential
pool_params = ( operator: pool_keyhash
, vrf_keyhash: vrf_keyhash
, pledge: coin
, cost: coin
, margin: unit_interval
, reward_account: reward_account
, pool_owners: set<addr_keyhash>
, relays: [* relay]
, pool_metadata: pool_metadata / null
)
port = uint .le 65535
ipv4 = bytes .size 4
ipv6 = bytes .size 16
dns_name = tstr .size (0..64)
single_host_addr = ( 0
, port / null
, ipv4 / null
, ipv6 / null
)
single_host_name = ( 1
, port / null
, dns_name ; An A or AAAA DNS record
)
multi_host_name = ( 2
, dns_name ; A SRV DNS record
)
relay =
[ single_host_addr
// single_host_name
// multi_host_name
]
pool_metadata = [url, pool_metadata_hash]
url = tstr .size (0..64)
withdrawals = { + reward_account => coin }
protocol_param_update =
{ ? 0: uint ; minfee A
, ? 1: uint ; minfee B
, ? 2: uint ; max block body size
, ? 3: uint ; max transaction size
, ? 4: uint ; max block header size
, ? 5: coin ; key deposit
, ? 6: coin ; pool deposit
, ? 7: epoch ; maximum epoch
, ? 8: uint ; n_opt: desired number of stake pools
, ? 9: rational ; pool pledge influence
, ? 10: unit_interval ; expansion rate
, ? 11: unit_interval ; treasury growth rate
, ? 16: coin ; min pool cost
, ? 17: coin ; ada per utxo byte
, ? 18: costmdls ; cost models for script languages
, ? 19: ex_unit_prices ; execution costs
, ? 20: ex_units ; max tx ex units
, ? 21: ex_units ; max block ex units
, ? 22: uint ; max value size
, ? 23: uint ; collateral percentage
, ? 24: uint ; max collateral inputs
, ? 25: pool_voting_thresholds ; pool voting thresholds
, ? 26: drep_voting_thresholds ; DRep voting thresholds
, ? 27: uint ; min committee size
, ? 28: uint ; committee term limit
, ? 29: epoch ; governance action validity period
, ? 30: coin ; governance action deposit
, ? 31: coin ; DRep deposit
, ? 32: epoch ; DRep inactivity period
}
pool_voting_thresholds =
[ unit_interval ; motion no confidence
, unit_interval ; committee normal
, unit_interval ; committee no confidence
, unit_interval ; hard fork initiation
]
drep_voting_thresholds =
[ unit_interval ; motion no confidence
, unit_interval ; committee normal
, unit_interval ; committee no confidence
, unit_interval ; update constitution
, unit_interval ; hard fork initiation
, unit_interval ; PP network group
, unit_interval ; PP economic group
, unit_interval ; PP technical group
, unit_interval ; PP governance group
, unit_interval ; treasury withdrawal
]
transaction_witness_set =
{ ? 0: [* vkeywitness ]
, ? 1: [* native_script ]
, ? 2: [* bootstrap_witness ]
, ? 3: [* plutus_v1_script ]
, ? 4: [* plutus_data ]
, ? 5: [* redeemer ]
, ? 6: [* plutus_v2_script ]
, ? 7: [* plutus_v3_script ]
}
plutus_v1_script = bytes
plutus_v2_script = bytes
plutus_v3_script = bytes
plutus_data =
constr<plutus_data>
/ { * plutus_data => plutus_data }
/ [ * plutus_data ]
/ big_int
/ bounded_bytes
big_int = int / big_uint / big_nint
big_uint = #6.2(bounded_bytes)
big_nint = #6.3(bounded_bytes)
constr<a> =
#6.121([* a])
/ #6.122([* a])
/ #6.123([* a])
/ #6.124([* a])
/ #6.125([* a])
/ #6.126([* a])
/ #6.127([* a])
; similarly for tag range: 6.1280 .. 6.1400 inclusive
/ #6.102([uint, [* a]])
redeemer = [ tag: redeemer_tag, index: uint, data: plutus_data, ex_units: ex_units ]
redeemer_tag =
0 ; inputTag "Spend"
/ 1 ; mintTag "Mint"
/ 2 ; certTag "Cert"
/ 3 ; wdrlTag "Reward"
; TODO / 4 ; drepTag "DRep"
ex_units = [mem: uint, steps: uint]
ex_unit_prices =
[ mem_price: sub_coin, step_price: sub_coin ]
language = 0 ; Plutus v1
/ 1 ; Plutus v2
/ 2 ; Plutus v3
potential_languages = 0 .. 255
; The format for costmdls is flexible enough to allow adding Plutus built-ins and language
; versions in the future.
;
; To construct valid cost models, however, you must restrict to:
;
; { ? 0 : [ 166* int ] ; Plutus v1, only 166 integers are used, but more are accepted (and ignored)
; , ? 1 : [ 175* int ] ; Plutus v2, only 175 integers are used, but more are accepted (and ignored)
; , ? 2 : [ 179* int ] ; Plutus v3, only 179 integers are used, but more are accepted (and ignored)
; }
costmdls = { * potential_languages => [int] }
transaction_metadatum =
{ * transaction_metadatum => transaction_metadatum }
/ [ * transaction_metadatum ]
/ int
/ bytes .size (0..64)
/ text .size (0..64)
transaction_metadatum_label = uint
metadata = { * transaction_metadatum_label => transaction_metadatum }
auxiliary_data =
metadata ; Shelley
/ [ transaction_metadata: metadata ; Shelley-ma
, auxiliary_scripts: [ * native_script ]
]
/ #6.259({ ? 0 => metadata ; Alonzo and beyond
, ? 1 => [ * native_script ]
, ? 2 => [ * plutus_v1_script ]
, ? 3 => [ * plutus_v2_script ]
, ? 4 => [ * plutus_v3_script ]
})
vkeywitness = [ $vkey, $signature ]
bootstrap_witness =
[ public_key : $vkey
, signature : $signature
, chain_code : bytes .size 32
, attributes : bytes
]
native_script =
[ script_pubkey
// script_all
// script_any
// script_n_of_k
// invalid_before
; Timelock validity intervals are half-open intervals [a, b).
; This field specifies the left (included) endpoint a.
// invalid_hereafter
; Timelock validity intervals are half-open intervals [a, b).
; This field specifies the right (excluded) endpoint b.
]
script_pubkey = (0, addr_keyhash)
script_all = (1, [ * native_script ])
script_any = (2, [ * native_script ])
script_n_of_k = (3, n: uint, [ * native_script ])
invalid_before = (4, uint)
invalid_hereafter = (5, uint)
coin = uint
sub_coin = positive_interval
multiasset<a> = { + policy_id => { + asset_name => a } }
policy_id = scripthash
asset_name = bytes .size (0..32)
negInt64 = -9223372036854775808 .. -1
posInt64 = 1 .. 9223372036854775807
nonZeroInt64 = negInt64 / posInt64 ; this is the same as the current int64 definition but without zero
positive_coin = 1 .. 18446744073709551615
value = positive_coin / [positive_coin,multiasset<positive_coin>]
mint = multiasset<nonZeroInt64>
int64 = -9223372036854775808 .. 9223372036854775807
network_id = 0 / 1
epoch = uint
addr_keyhash = $hash28
pool_keyhash = $hash28
vrf_keyhash = $hash32
auxiliary_data_hash = $hash32
pool_metadata_hash = $hash32
; To compute a script hash, note that you must prepend
; a tag to the bytes of the script before hashing.
; The tag is determined by the language.
; The tags in the Conway era are:
; "\x00" for multisig scripts
; "\x01" for Plutus V1 scripts
; "\x02" for Plutus V2 scripts
; "\x03" for Plutus V3 scripts
scripthash = $hash28
datum_hash = $hash32
data = #6.24(bytes .cbor plutus_data)
datum_option = [ 0, $hash32 // 1, data ]
script_ref = #6.24(bytes .cbor script)
script = [ 0, native_script // 1, plutus_v1_script // 2, plutus_v2_script // 3, plutus_v3_script ]

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pallas-primitives/src/conway/mod.rs Normal file
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mod model;
pub use model::*;

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pallas-primitives/src/conway/model.rs Normal file
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pallas-primitives/src/lib.rs
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@ -5,5 +5,6 @@ mod framework;
pub mod alonzo;
pub mod babbage;
pub mod byron;
pub mod conway;
pub use framework::*;