git.delta.rocks / unique-network / refs/commits / a06d0b862ada

1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617//! The module contains a number of functions for converting and checking ethereum identifiers.1819use alloc::format;20use sp_std::{vec, vec::Vec};21use evm_coder::{22	AbiCoder,23	types::{Address, String},24};25pub use pallet_evm::{Config, account::CrossAccountId};26use sp_core::{H160, U256};27use up_data_structs::CollectionId;2829// 0x17c4e6453Cc49AAAaEACA894e6D9683e00000001 - collection 130// TODO: Unhardcode prefix31const ETH_COLLECTION_PREFIX: [u8; 16] = [32	0x17, 0xc4, 0xe6, 0x45, 0x3c, 0xc4, 0x9a, 0xaa, 0xae, 0xac, 0xa8, 0x94, 0xe6, 0xd9, 0x68, 0x3e,33];3435/// Maps the ethereum address of the collection in substrate.36pub fn map_eth_to_id(eth: &Address) -> Option<CollectionId> {37	if eth[0..16] != ETH_COLLECTION_PREFIX {38		return None;39	}40	let mut id_bytes = [0; 4];41	id_bytes.copy_from_slice(&eth[16..20]);42	Some(CollectionId(u32::from_be_bytes(id_bytes)))43}4445/// Maps the substrate collection id in ethereum.46pub fn collection_id_to_address(id: CollectionId) -> Address {47	let mut out = [0; 20];48	out[0..16].copy_from_slice(&ETH_COLLECTION_PREFIX);49	out[16..20].copy_from_slice(&u32::to_be_bytes(id.0));50	H160(out)51}5253/// Check if the ethereum address is a collection.54pub fn is_collection(address: &Address) -> bool {55	address[0..16] == ETH_COLLECTION_PREFIX56}5758/// Convert `U256` to `CrossAccountId`.59pub fn convert_uint256_to_cross_account<T: Config>(from: U256) -> T::CrossAccountId60where61	T::AccountId: From<[u8; 32]>,62{63	let mut new_admin_arr = [0_u8; 32];64	from.to_big_endian(&mut new_admin_arr);65	let account_id = T::AccountId::from(new_admin_arr);66	T::CrossAccountId::from_sub(account_id)67}6869/// Cross account struct70#[derive(Debug, Default, AbiCoder)]71pub struct CrossAddress {72	pub(crate) eth: Address,73	pub(crate) sub: U256,74}7576impl CrossAddress {77	/// Converts `CrossAccountId` to [`CrossAddress`] to be correctly usable with Ethereum.78	pub fn from_sub_cross_account<T>(cross_account_id: &T::CrossAccountId) -> Self79	where80		T: pallet_evm::Config,81		T::AccountId: AsRef<[u8; 32]>,82	{83		if cross_account_id.is_canonical_substrate() {84			Self::from_sub::<T>(cross_account_id.as_sub())85		} else {86			Self::from_eth(*cross_account_id.as_eth())87		}88	}89	/// Creates [`CrossAddress`] from Substrate account.90	pub fn from_sub<T>(account_id: &T::AccountId) -> Self91	where92		T: pallet_evm::Config,93		T::AccountId: AsRef<[u8; 32]>,94	{95		Self {96			eth: Default::default(),97			sub: U256::from_big_endian(account_id.as_ref()),98		}99	}100	/// Creates [`CrossAddress`] from Ethereum account.101	pub fn from_eth(address: Address) -> Self {102		Self {103			eth: address,104			sub: Default::default(),105		}106	}107	/// Converts [`CrossAddress`] to `CrossAccountId`.108	pub fn into_sub_cross_account<T>(&self) -> evm_coder::execution::Result<T::CrossAccountId>109	where110		T: pallet_evm::Config,111		T::AccountId: From<[u8; 32]>,112	{113		if self.eth == Default::default() && self.sub == Default::default() {114			Err("All fields of cross account is zeroed".into())115		} else if self.eth == Default::default() {116			Ok(convert_uint256_to_cross_account::<T>(self.sub))117		} else if self.sub == Default::default() {118			Ok(T::CrossAccountId::from_eth(self.eth))119		} else {120			Err("All fields of cross account is non zeroed".into())121		}122	}123}124125/// Ethereum representation of collection [`PropertyKey`](up_data_structs::PropertyKey) and [`PropertyValue`](up_data_structs::PropertyValue).126#[derive(Debug, Default, AbiCoder)]127pub struct Property {128	key: evm_coder::types::String,129	value: evm_coder::types::Bytes,130}131132impl TryFrom<up_data_structs::Property> for Property {133	type Error = evm_coder::execution::Error;134135	fn try_from(from: up_data_structs::Property) -> Result<Self, Self::Error> {136		let key = evm_coder::types::String::from_utf8(from.key.into())137			.map_err(|e| Self::Error::Revert(format!("utf8 conversion error: {}", e)))?;138		let value = evm_coder::types::Bytes(from.value.to_vec());139		Ok(Property { key, value })140	}141}142143impl TryInto<up_data_structs::Property> for Property {144	type Error = evm_coder::execution::Error;145146	fn try_into(self) -> Result<up_data_structs::Property, Self::Error> {147		let key = <Vec<u8>>::from(self.key)148			.try_into()149			.map_err(|_| "key too large")?;150151		let value = self.value.0.try_into().map_err(|_| "value too large")?;152153		Ok(up_data_structs::Property { key, value })154	}155}156157/// [`CollectionLimits`](up_data_structs::CollectionLimits) fields representation for EVM.158#[derive(Debug, Default, Clone, Copy, AbiCoder)]159#[repr(u8)]160pub enum CollectionLimitField {161	/// How many tokens can a user have on one account.162	#[default]163	AccountTokenOwnership,164165	/// How many bytes of data are available for sponsorship.166	SponsoredDataSize,167168	/// In any case, chain default: [`SponsoringRateLimit::SponsoringDisabled`]169	SponsoredDataRateLimit,170171	/// How many tokens can be mined into this collection.172	TokenLimit,173174	/// Timeouts for transfer sponsoring.175	SponsorTransferTimeout,176177	/// Timeout for sponsoring an approval in passed blocks.178	SponsorApproveTimeout,179180	/// Whether the collection owner of the collection can send tokens (which belong to other users).181	OwnerCanTransfer,182183	/// Can the collection owner burn other people's tokens.184	OwnerCanDestroy,185186	/// Is it possible to send tokens from this collection between users.187	TransferEnabled,188}189190/// [`CollectionLimits`](up_data_structs::CollectionLimits) field representation for EVM.191#[derive(Debug, Default, AbiCoder)]192pub struct CollectionLimit {193	field: CollectionLimitField,194	value: Option<U256>,195}196197impl CollectionLimit {198	/// Create [`CollectionLimit`] from field and value.199	pub fn new(field: CollectionLimitField, value: Option<u32>) -> Self {200		Self {201			field,202			value: match value {203				Some(value) => Some(value.into()),204				None => None,205			},206		}207	}208	/// Whether the field contains a value.209	pub fn has_value(&self) -> bool {210		self.value.is_some()211	}212}213214impl TryInto<up_data_structs::CollectionLimits> for CollectionLimit {215	type Error = evm_coder::execution::Error;216217	fn try_into(self) -> Result<up_data_structs::CollectionLimits, Self::Error> {218		let value = self219			.value220			.ok_or::<Self::Error>("can't convert `None` value to boolean".into())?;221		let value = Some(value.try_into().map_err(|error| {222			Self::Error::Revert(format!(223				"can't convert value to u32 \"{}\" because: \"{error}\"",224				value225			))226		})?);227228		let convert_value_to_bool = || match value {229			Some(value) => match value {230				0 => Ok(Some(false)),231				1 => Ok(Some(true)),232				_ => {233					return Err(Self::Error::Revert(format!(234						"can't convert value to boolean \"{value}\""235					)))236				}237			},238			None => Ok(None),239		};240241		let mut limits = up_data_structs::CollectionLimits::default();242		match self.field {243			CollectionLimitField::AccountTokenOwnership => {244				limits.account_token_ownership_limit = value;245			}246			CollectionLimitField::SponsoredDataSize => {247				limits.sponsored_data_size = value;248			}249			CollectionLimitField::SponsoredDataRateLimit => {250				limits.sponsored_data_rate_limit = match value {251					Some(value) => Some(up_data_structs::SponsoringRateLimit::Blocks(value)),252					None => None,253				};254			}255			CollectionLimitField::TokenLimit => {256				limits.token_limit = value;257			}258			CollectionLimitField::SponsorTransferTimeout => {259				limits.sponsor_transfer_timeout = value;260			}261			CollectionLimitField::SponsorApproveTimeout => {262				limits.sponsor_approve_timeout = value;263			}264			CollectionLimitField::OwnerCanTransfer => {265				limits.owner_can_transfer = convert_value_to_bool()?;266			}267			CollectionLimitField::OwnerCanDestroy => {268				limits.owner_can_destroy = convert_value_to_bool()?;269			}270			CollectionLimitField::TransferEnabled => {271				limits.transfers_enabled = convert_value_to_bool()?;272			}273		};274		Ok(limits)275	}276}277278/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) fields as an enumeration.279#[derive(Default, Debug, Clone, Copy, AbiCoder)]280#[repr(u8)]281pub enum CollectionPermissionField {282	/// Owner of token can nest tokens under it.283	#[default]284	TokenOwner,285286	/// Admin of token collection can nest tokens under token.287	CollectionAdmin,288}289290/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) fields as an enumeration.291#[derive(AbiCoder, Copy, Clone, Default, Debug)]292#[repr(u8)]293pub enum TokenPermissionField {294	/// Permission to change the property and property permission. See [`up_data_structs::PropertyPermission::mutable`]295	#[default]296	Mutable,297298	/// Change permission for the collection administrator. See [`up_data_structs::PropertyPermission::token_owner`]299	TokenOwner,300301	/// Permission to change the property for the owner of the token. See [`up_data_structs::PropertyPermission::collection_admin`]302	CollectionAdmin,303}304305/// Ethereum representation of TokenPermissions (see [`up_data_structs::PropertyPermission`]) as an key and value.306#[derive(Debug, Default, AbiCoder)]307pub struct PropertyPermission {308	/// TokenPermission field.309	code: TokenPermissionField,310	/// TokenPermission value.311	value: bool,312}313314impl PropertyPermission {315	/// Make vector of [`PropertyPermission`] from [`up_data_structs::PropertyPermission`].316	pub fn into_vec(pp: up_data_structs::PropertyPermission) -> Vec<Self> {317		vec![318			PropertyPermission {319				code: TokenPermissionField::Mutable,320				value: pp.mutable,321			},322			PropertyPermission {323				code: TokenPermissionField::TokenOwner,324				value: pp.token_owner,325			},326			PropertyPermission {327				code: TokenPermissionField::CollectionAdmin,328				value: pp.collection_admin,329			},330		]331	}332333	/// Make [`up_data_structs::PropertyPermission`] from vector of [`PropertyPermission`].334	pub fn from_vec(permission: Vec<Self>) -> up_data_structs::PropertyPermission {335		let mut token_permission = up_data_structs::PropertyPermission::default();336337		for PropertyPermission { code, value } in permission {338			match code {339				TokenPermissionField::Mutable => token_permission.mutable = value,340				TokenPermissionField::TokenOwner => token_permission.token_owner = value,341				TokenPermissionField::CollectionAdmin => token_permission.collection_admin = value,342			}343		}344		token_permission345	}346}347348/// Ethereum representation of Token Property Permissions.349#[derive(Debug, Default, AbiCoder)]350pub struct TokenPropertyPermission {351	/// Token property key.352	key: evm_coder::types::String,353	/// Token property permissions.354	permissions: Vec<PropertyPermission>,355}356357impl358	From<(359		up_data_structs::PropertyKey,360		up_data_structs::PropertyPermission,361	)> for TokenPropertyPermission362{363	fn from(364		value: (365			up_data_structs::PropertyKey,366			up_data_structs::PropertyPermission,367		),368	) -> Self {369		let (key, permission) = value;370		let key = evm_coder::types::String::from_utf8(key.into_inner())371			.expect("Stored key must be valid");372		let permissions = PropertyPermission::into_vec(permission);373		Self { key, permissions }374	}375}376377impl TokenPropertyPermission {378	/// Convert vector of [`TokenPropertyPermission`] into vector of [`up_data_structs::PropertyKeyPermission`].379	pub fn into_property_key_permissions(380		permissions: Vec<TokenPropertyPermission>,381	) -> evm_coder::execution::Result<Vec<up_data_structs::PropertyKeyPermission>> {382		let mut perms = Vec::new();383384		for TokenPropertyPermission { key, permissions } in permissions {385			let token_permission = PropertyPermission::from_vec(permissions);386387			perms.push(up_data_structs::PropertyKeyPermission {388				key: key.into_bytes().try_into().map_err(|_| "too long key")?,389				permission: token_permission,390			});391		}392		Ok(perms)393	}394}395396/// Data for creation token with uri.397#[derive(Debug, AbiCoder)]398pub struct TokenUri {399	/// Id of new token.400	pub id: U256,401402	/// Uri of new token.403	pub uri: String,404}405406/// Nested collections.407#[derive(Debug, Default, AbiCoder)]408pub struct CollectionNesting {409	token_owner: bool,410	ids: Vec<U256>,411}412413impl CollectionNesting {414	/// Create [`CollectionNesting`].415	pub fn new(token_owner: bool, ids: Vec<U256>) -> Self {416		Self { token_owner, ids }417	}418}419420/// Ethereum representation of `NestingPermissions` (see [`up_data_structs::NestingPermissions`]) field.421#[derive(Debug, Default, AbiCoder)]422pub struct CollectionNestingPermission {423	field: CollectionPermissionField,424	value: bool,425}426427impl CollectionNestingPermission {428	/// Create [`CollectionNestingPermission`].429	pub fn new(field: CollectionPermissionField, value: bool) -> Self {430		Self { field, value }431	}432}433434/// Ethereum representation of `AccessMode` (see [`up_data_structs::AccessMode`]).435#[derive(AbiCoder, Copy, Clone, Default, Debug)]436#[repr(u8)]437pub enum AccessMode {438	/// Access grant for owner and admins. Used as default.439	#[default]440	Normal,441	/// Like a [`Normal`](AccessMode::Normal) but also users in allow list.442	AllowList,443}444445impl From<up_data_structs::AccessMode> for AccessMode {446	fn from(value: up_data_structs::AccessMode) -> Self {447		match value {448			up_data_structs::AccessMode::Normal => AccessMode::Normal,449			up_data_structs::AccessMode::AllowList => AccessMode::AllowList,450		}451	}452}453454impl Into<up_data_structs::AccessMode> for AccessMode {455	fn into(self) -> up_data_structs::AccessMode {456		match self {457			AccessMode::Normal => up_data_structs::AccessMode::Normal,458			AccessMode::AllowList => up_data_structs::AccessMode::AllowList,459		}460	}461}