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How to add a new pallet (pallet-assets) #4

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253f51e
wip: not working
Niraj-Kamdar Apr 2, 2024
55460ce
wip: issue with accountId mismatch
Niraj-Kamdar Apr 2, 2024
5e5f04d
feat: add tests
Niraj-Kamdar Apr 2, 2024
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38 changes: 28 additions & 10 deletions Cargo.lock
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4 changes: 4 additions & 0 deletions runtime/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -28,13 +28,15 @@ frame-system = { git = "https://github.com/paritytech/polkadot-sdk", branch = "r
sp-core = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.9.0" , default-features = false }
sp-runtime = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.9.0" , default-features = false }
sp-io = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.9.0", default-features = false }
sp-std = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.9.0", default-features = false }

# pallets that we want to use
pallet-balances = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.9.0" , default-features = false }
pallet-sudo = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.9.0", default-features = false }
pallet-timestamp = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.9.0", default-features = false }
pallet-transaction-payment = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.9.0", default-features = false }
pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.9.0", default-features = false }
pallet-assets = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.9.0", default-features = false }

# genesis builder that allows us to interacto with runtime genesis config
sp-genesis-builder = { git = "https://github.com/paritytech/polkadot-sdk", branch = "release-polkadot-v1.9.0", default-features = false }
Expand All @@ -59,12 +61,14 @@ std = [

"sp-core/std",
"sp-runtime/std",
"sp-io/std",

"pallet-balances/std",
"pallet-sudo/std",
"pallet-timestamp/std",
"pallet-transaction-payment-rpc-runtime-api/std",
"pallet-transaction-payment/std",
"pallet-assets/std",

"pallet-minimal-template/std",

Expand Down
45 changes: 40 additions & 5 deletions runtime/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -37,15 +37,16 @@ use frame::{
},
};

use frame_support::weights::{constants::WEIGHT_REF_TIME_PER_MILLIS, IdentityFee, Weight};
use frame_support::weights::{constants::WEIGHT_REF_TIME_PER_MILLIS, Weight};
use frame_support::traits::AsEnsureOriginWithArg;

// Substrate FRAME
#[cfg(feature = "with-paritydb-weights")]
use frame_support::weights::constants::ParityDbWeight as RuntimeDbWeight;
#[cfg(feature = "with-rocksdb-weights")]
use frame_support::weights::constants::RocksDbWeight as RuntimeDbWeight;

use sp_runtime::{generic, traits::BlakeTwo256, Perbill};
use sp_runtime::{generic, traits::BlakeTwo256, Perbill, AccountId32};

/// Type of block number.
pub type BlockNumber = u32;
Expand Down Expand Up @@ -100,6 +101,7 @@ construct_runtime!(
Balances: pallet_balances,
Sudo: pallet_sudo,
TransactionPayment: pallet_transaction_payment,
Assets: pallet_assets,

// our local pallet
Template: pallet_minimal_template,
Expand All @@ -122,6 +124,8 @@ parameter_types! {
pub const SS58Prefix: u8 = 42;
}

type AccountId = AccountId32;

impl frame_system::Config for Runtime {
/// The default type for storing how many extrinsics an account has signed.
type Nonce = u32;
Expand All @@ -135,7 +139,7 @@ impl frame_system::Config for Runtime {
type Hashing = sp_runtime::traits::BlakeTwo256;

/// The default identifier used to distinguish between accounts.
type AccountId = sp_runtime::AccountId32;
type AccountId = AccountId;

/// The lookup mechanism to get account ID from whatever is passed in dispatchers.
type Lookup = sp_runtime::traits::AccountIdLookup<Self::AccountId, ()>;
Expand Down Expand Up @@ -201,6 +205,16 @@ impl frame_system::Config for Runtime {
type PostTransactions = ();
}


#[derive_impl(pallet_assets::config_preludes::TestDefaultConfig)]
impl pallet_assets::Config for Runtime {
type RuntimeEvent = RuntimeEvent;
type Currency = Balances;
type CreateOrigin = AsEnsureOriginWithArg<EnsureSigned<AccountId>>;
type ForceOrigin = frame_system::EnsureRoot<AccountId>;
type Freezer = ();
}

#[derive_impl(pallet_balances::config_preludes::TestDefaultConfig)]
impl pallet_balances::Config for Runtime {
type AccountStore = System;
Expand Down Expand Up @@ -349,7 +363,6 @@ impl_runtime_apis! {
// https://github.com/paritytech/substrate/issues/10579#issuecomment-1600537558
pub mod interface {
use super::Runtime;
use frame::deps::frame_system;

pub type Block = super::Block;
pub use frame::runtime::types_common::OpaqueBlock;
Expand All @@ -362,7 +375,8 @@ pub mod interface {

#[cfg(test)]
mod tests {
use super::{interface, Balances, Runtime, RuntimeOrigin, System};
use super::{interface, Balances, Runtime, RuntimeOrigin, System, Assets};
use frame_support::assert_ok;
use sp_io;
use sp_runtime::BuildStorage;

Expand Down Expand Up @@ -420,4 +434,25 @@ mod tests {
assert_eq!(Balances::usable_balance(BOB.clone()), 1010);
})
}

#[test]
fn test_assets() {
let ALICE: AccountId32 = get_account_id(&"Alice");
let BOB: AccountId32 = get_account_id(&"Bob");
let asset1 = 0;
new_test_ext().execute_with(|| {
assert_ok!(Assets::create(RuntimeOrigin::signed(ALICE.clone()), asset1, Id(ALICE.clone()), 1));
assert_eq!(Assets::total_supply(asset1), 0);

assert_ok!(Assets::mint(RuntimeOrigin::signed(ALICE.clone()), asset1, Id(ALICE.clone()), 10000));
assert_eq!(Assets::total_supply(asset1), 10000);
assert_eq!(Assets::balance(asset1, ALICE.clone()), 10000);

assert_eq!(Assets::balance(asset1, BOB.clone()), 0);
assert_ok!(Assets::transfer(RuntimeOrigin::signed(ALICE.clone()), asset1, Id(BOB.clone()), 1000));
assert_eq!(Assets::balance(asset1, BOB.clone()), 1000);
assert_eq!(Assets::balance(asset1, ALICE.clone()), 9000);

})
}
}