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feat: conversion rate price for tokenized vaults (#132)
* feat: conversion rate pricing impl * feat: mock erc4626 + tests * feat: `delete` operation * feat: additional tests + corrections * fix: revert decimals
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,186 @@ | ||
| // Forked from https://github.com/0xEniotna/ERC4626/blob/main/src/erc4626/interface.cairo | ||
| // Mock contract to be used for TESTING PURPOSE ONLY | ||
| use starknet::ContractAddress; | ||
|
|
||
| #[starknet::interface] | ||
| trait IERC4626<TContractState> { | ||
| // Metadata (match implementation) | ||
| fn name(self: @TContractState) -> felt252; | ||
| fn symbol(self: @TContractState) -> felt252; | ||
| fn decimals(self: @TContractState) -> u8; | ||
|
|
||
| // ERC20-like methods (match implementation) | ||
| fn total_supply(self: @TContractState) -> u256; | ||
| fn balance_of(self: @TContractState, account: ContractAddress) -> u256; | ||
| fn allowance(self: @TContractState, owner: ContractAddress, spender: ContractAddress) -> u256; | ||
| fn transfer(ref self: TContractState, recipient: ContractAddress, amount: u256) -> bool; | ||
| fn transfer_from( | ||
| ref self: TContractState, sender: ContractAddress, recipient: ContractAddress, amount: u256 | ||
| ) -> bool; | ||
| fn approve(ref self: TContractState, spender: ContractAddress, amount: u256) -> bool; | ||
|
|
||
| // Remove camelCase methods as they're not in the implementation | ||
|
|
||
| // Additional ERC4626 methods (match implementation) | ||
| fn asset(self: @TContractState) -> ContractAddress; | ||
| fn total_assets(self: @TContractState) -> u256; | ||
| fn convert_to_shares(self: @TContractState, assets: u256) -> u256; | ||
| fn convert_to_assets(self: @TContractState, shares: u256) -> u256; | ||
| fn max_deposit(self: @TContractState, receiver: ContractAddress) -> u256; | ||
| fn preview_deposit(self: @TContractState, assets: u256) -> u256; | ||
| fn deposit(ref self: TContractState, assets: u256, receiver: ContractAddress) -> u256; | ||
| fn max_mint(self: @TContractState, receiver: ContractAddress) -> u256; | ||
| fn preview_mint(self: @TContractState, shares: u256) -> u256; | ||
| fn mint(ref self: TContractState, shares: u256, receiver: ContractAddress) -> u256; | ||
| fn max_withdraw(self: @TContractState, owner: ContractAddress) -> u256; | ||
| fn preview_withdraw(self: @TContractState, assets: u256) -> u256; | ||
| fn withdraw( | ||
| ref self: TContractState, assets: u256, receiver: ContractAddress, owner: ContractAddress | ||
| ) -> u256; | ||
| fn max_redeem(self: @TContractState, owner: ContractAddress) -> u256; | ||
| fn preview_redeem(self: @TContractState, shares: u256) -> u256; | ||
| fn redeem( | ||
| ref self: TContractState, shares: u256, receiver: ContractAddress, owner: ContractAddress | ||
| ) -> u256; | ||
| } | ||
|
|
||
| #[starknet::contract] | ||
| mod ERC4626 { | ||
| use super::IERC4626; | ||
| use starknet::get_caller_address; | ||
| use starknet::get_contract_address; | ||
| use starknet::ContractAddress; | ||
| use starknet::contract_address::ContractAddressZeroable; | ||
| use zeroable::Zeroable; | ||
| use traits::Into; | ||
| use traits::TryInto; | ||
| use option::OptionTrait; | ||
| use integer::BoundedInt; | ||
| use debug::PrintTrait; | ||
|
|
||
| #[storage] | ||
| struct Storage {} | ||
|
|
||
| #[external(v0)] | ||
| impl ERC4626Impl of IERC4626<ContractState> { | ||
| //////////////////////////////// | ||
| // ERC20 implementation | ||
| //////////////////////////////// | ||
|
|
||
| fn name(self: @ContractState) -> felt252 { | ||
| 0 | ||
| } | ||
|
|
||
| fn symbol(self: @ContractState) -> felt252 { | ||
| 0 | ||
| } | ||
|
|
||
| fn decimals(self: @ContractState) -> u8 { | ||
| 0 | ||
| } | ||
|
|
||
| fn total_supply(self: @ContractState) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn balance_of(self: @ContractState, account: ContractAddress) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn allowance( | ||
| self: @ContractState, owner: ContractAddress, spender: ContractAddress | ||
| ) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn transfer(ref self: ContractState, recipient: ContractAddress, amount: u256) -> bool { | ||
| true | ||
| } | ||
|
|
||
| fn transfer_from( | ||
| ref self: ContractState, | ||
| sender: ContractAddress, | ||
| recipient: ContractAddress, | ||
| amount: u256 | ||
| ) -> bool { | ||
| true | ||
| } | ||
|
|
||
| fn approve(ref self: ContractState, spender: ContractAddress, amount: u256) -> bool { | ||
| true | ||
| } | ||
|
|
||
| //////////////////////////////// | ||
| // ERC4626-specific implementation | ||
| //////////////////////////////// | ||
|
|
||
| fn asset(self: @ContractState) -> ContractAddress { | ||
| 0.try_into().unwrap() | ||
| } | ||
|
|
||
| fn total_assets(self: @ContractState) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn convert_to_shares(self: @ContractState, assets: u256) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn convert_to_assets(self: @ContractState, shares: u256) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn max_deposit(self: @ContractState, receiver: ContractAddress) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn preview_deposit(self: @ContractState, assets: u256) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn deposit(ref self: ContractState, assets: u256, receiver: ContractAddress) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn max_mint(self: @ContractState, receiver: ContractAddress) -> u256 { | ||
| BoundedInt::<u256>::max() | ||
| } | ||
|
|
||
| fn preview_mint(self: @ContractState, shares: u256) -> u256 { | ||
| // TESTING | ||
| 1002465544733197129 | ||
| } | ||
|
|
||
| fn mint(ref self: ContractState, shares: u256, receiver: ContractAddress) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn max_withdraw(self: @ContractState, owner: ContractAddress) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn preview_withdraw(self: @ContractState, assets: u256) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn withdraw( | ||
| ref self: ContractState, assets: u256, receiver: ContractAddress, owner: ContractAddress | ||
| ) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn max_redeem(self: @ContractState, owner: ContractAddress) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn preview_redeem(self: @ContractState, shares: u256) -> u256 { | ||
| 0 | ||
| } | ||
|
|
||
| fn redeem( | ||
| ref self: ContractState, shares: u256, receiver: ContractAddress, owner: ContractAddress | ||
| ) -> u256 { | ||
| 0 | ||
| } | ||
| } | ||
| } |
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