difftreelog
CORE-302 Create collection from EVM principle
in: master
9 files changed
Cargo.lockdiffbeforeafterboth--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6078,18 +6078,22 @@
name = "pallet-evm-contract-helpers"
version = "0.1.0"
dependencies = [
+ "ethereum",
"evm-coder",
"fp-evm-mapping",
"frame-support",
"frame-system",
"log",
+ "pallet-common",
"pallet-evm",
"pallet-evm-coder-substrate",
+ "pallet-nonfungible",
"parity-scale-codec 3.1.2",
"scale-info",
"sp-core",
"sp-runtime",
"sp-std",
+ "up-data-structs",
"up-sponsorship",
]
pallets/evm-contract-helpers/Cargo.tomldiffbeforeafterboth--- a/pallets/evm-contract-helpers/Cargo.toml
+++ b/pallets/evm-contract-helpers/Cargo.toml
@@ -8,18 +8,28 @@
scale-info = { version = "2.0.1", default-features = false, features = [
"derive",
] }
-frame-support = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.21" }
-frame-system = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.21" }
-sp-runtime = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.21" }
-sp-std = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.21" }
-sp-core = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.21" }
-evm-coder = { default-features = false, path = '../../crates/evm-coder' }
-pallet-evm-coder-substrate = { default-features = false, path = '../../pallets/evm-coder-substrate' }
+ethereum = { version = "0.12.0", default-features = false }
+log = { default-features = false, version = "0.4.14" }
+
+# Substrate
+frame-support = { default-features = false, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.21' }
+frame-system = { default-features = false, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.21' }
+sp-runtime = { default-features = false, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.21' }
+sp-std = { default-features = false, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.21' }
+sp-core = { default-features = false, git = 'https://github.com/paritytech/substrate.git', branch = 'polkadot-v0.9.21' }
+
+# Unique
pallet-evm = { default-features = false, git = "https://github.com/uniquenetwork/frontier", branch = "unique-polkadot-v0.9.21-logs" }
fp-evm-mapping = { default-features = false, git = "https://github.com/uniquenetwork/frontier", branch = "unique-polkadot-v0.9.21-logs" }
up-sponsorship = { version = "0.1.0", default-features = false, git = "https://github.com/uniquenetwork/pallet-sponsoring", branch = "polkadot-v0.9.21" }
-log = "0.4.14"
+# Locals
+evm-coder = { default-features = false, path = '../../crates/evm-coder' }
+pallet-common = { default-features = false, path = '../../pallets/common' }
+pallet-evm-coder-substrate = { default-features = false, path = '../../pallets/evm-coder-substrate' }
+pallet-nonfungible = { default-features = false, path = '../../pallets/nonfungible' }
+up-data-structs = { default-features = false, path = '../../primitives/data-structs' }
+
[dependencies.codec]
default-features = false
features = ['derive']
pallets/evm-contract-helpers/src/eth.rsdiffbeforeafterboth--- a/pallets/evm-contract-helpers/src/eth.rs
+++ b/pallets/evm-contract-helpers/src/eth.rs
@@ -15,11 +15,12 @@
// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
use core::marker::PhantomData;
-use evm_coder::{abi::AbiWriter, execution::Result, generate_stubgen, solidity_interface, types::*};
+use evm_coder::{abi::AbiWriter, execution::*, generate_stubgen, solidity_interface, types::*, ToLog};
+use ethereum as _;
use pallet_evm_coder_substrate::{SubstrateRecorder, WithRecorder};
use pallet_evm::{
ExitRevert, OnCreate, OnMethodCall, PrecompileResult, PrecompileFailure,
- account::CrossAccountId,
+ account::CrossAccountId, Pallet as PalletEvm
};
use sp_core::H160;
use crate::{
@@ -40,6 +41,16 @@
}
}
+#[derive(ToLog)]
+pub enum ContractHelperEvent {
+ CollectionCreated {
+ #[indexed]
+ owner: address,
+ #[indexed]
+ collection_id: address,
+ },
+}
+
#[solidity_interface(name = "ContractHelpers")]
impl<T: Config> ContractHelpers<T> {
fn contract_owner(&self, contract_address: address) -> Result<address> {
@@ -126,6 +137,25 @@
<Pallet<T>>::toggle_allowed(contract_address, user, allowed);
Ok(())
}
+
+ fn create_721_collection(&self, caller: caller) -> Result<address> {
+ let caller = T::CrossAccountId::from_eth(caller);
+ let collection_id = <pallet_nonfungible::Pallet<T>>::init_collection(
+ caller.as_sub().clone(),
+ Default::default(),
+ )
+ .map_err(pallet_evm_coder_substrate::dispatch_to_evm::<T>)?;
+ let address = pallet_common::eth::collection_id_to_address(collection_id);
+
+ <PalletEvm<T>>::deposit_log(
+ ContractHelperEvent::CollectionCreated {
+ owner: *caller.as_eth(),
+ collection_id: address,
+ }
+ .to_log(address),
+ );
+ Ok(address)
+ }
}
pub struct HelpersOnMethodCall<T: Config>(PhantomData<*const T>);
pallets/evm-contract-helpers/src/lib.rsdiffbeforeafterboth--- a/pallets/evm-contract-helpers/src/lib.rs
+++ b/pallets/evm-contract-helpers/src/lib.rs
@@ -31,7 +31,7 @@
#[pallet::config]
pub trait Config:
- frame_system::Config + pallet_evm_coder_substrate::Config + pallet_evm::account::Config
+ frame_system::Config + pallet_evm_coder_substrate::Config + pallet_evm::account::Config + pallet_nonfungible::Config
{
type ContractAddress: Get<H160>;
type DefaultSponsoringRateLimit: Get<Self::BlockNumber>;
pallets/evm-contract-helpers/src/stubs/ContractHelpers.soldiffbeforeafterboth--- a/pallets/evm-contract-helpers/src/stubs/ContractHelpers.sol
+++ b/pallets/evm-contract-helpers/src/stubs/ContractHelpers.sol
@@ -21,7 +21,7 @@
}
}
-// Selector: 7b4866f9
+// Selector: e123b7a8
contract ContractHelpers is Dummy, ERC165 {
// Selector: contractOwner(address) 5152b14c
function contractOwner(address contractAddress)
@@ -144,4 +144,11 @@
allowed;
dummy = 0;
}
+
+ // Selector: create721Collection() 9a6bd151
+ function create721Collection() public view returns (address) {
+ require(false, stub_error);
+ dummy;
+ return 0x0000000000000000000000000000000000000000;
+ }
}
tests/src/eth/api/ContractHelpers.soldiffbeforeafterboth--- a/tests/src/eth/api/ContractHelpers.sol
+++ b/tests/src/eth/api/ContractHelpers.sol
@@ -12,7 +12,7 @@
function supportsInterface(bytes4 interfaceID) external view returns (bool);
}
-// Selector: 7b4866f9
+// Selector: e123b7a8
interface ContractHelpers is Dummy, ERC165 {
// Selector: contractOwner(address) 5152b14c
function contractOwner(address contractAddress)
@@ -71,4 +71,7 @@
address user,
bool allowed
) external;
+
+ // Selector: create721Collection() 9a6bd151
+ function create721Collection() external view returns (address);
}
tests/src/eth/base.test.tsdiffbeforeafterboth--- a/tests/src/eth/base.test.ts
+++ b/tests/src/eth/base.test.ts
@@ -14,9 +14,21 @@
// You should have received a copy of the GNU General Public License
// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.
-import {collectionIdToAddress, createEthAccount, createEthAccountWithBalance, deployFlipper, ethBalanceViaSub, GAS_ARGS, itWeb3, recordEthFee, usingWeb3} from './util/helpers';
+import {
+ collectionIdFromAddress,
+ collectionIdToAddress,
+ contractHelpers,
+ createEthAccount,
+ createEthAccountWithBalance,
+ deployFlipper,
+ ethBalanceViaSub,
+ GAS_ARGS,
+ itWeb3,
+ recordEthFee,
+ usingWeb3,
+} from './util/helpers';
import {expect} from 'chai';
-import {createCollectionExpectSuccess, createItemExpectSuccess, UNIQUE} from '../util/helpers';
+import {createCollectionExpectSuccess, createItemExpectSuccess, getCreatedCollectionCount, UNIQUE} from '../util/helpers';
import nonFungibleAbi from './nonFungibleAbi.json';
import privateKey from '../substrate/privateKey';
import {Contract} from 'web3-eth-contract';
@@ -112,3 +124,18 @@
expect(await contract(web3).methods.supportsInterface('0x01ffc9a7').call()).to.be.true;
});
});
+
+describe('Create collection from EVM', () => {
+ itWeb3('Create collection', async ({api, web3}) => {
+ const owner = await createEthAccountWithBalance(api, web3);
+ console.log(owner);
+ const helpers = contractHelpers(web3, owner);
+ const collectionCountBefore = await getCreatedCollectionCount(api);
+ const result = await helpers.methods.create721Collection().send();
+ console.log(result.events[0].raw);
+ const collectionId = collectionIdFromAddress(result.events[0].raw.topics[2]);
+ const collectionCountAfter = await getCreatedCollectionCount(api);
+ expect(collectionCountAfter - collectionCountBefore).to.be.eq(1);
+ expect(collectionId).to.be.eq(collectionCountAfter);
+ });
+});
tests/src/eth/util/contractHelpersAbi.jsondiffbeforeafterboth--- a/tests/src/eth/util/contractHelpersAbi.json
+++ b/tests/src/eth/util/contractHelpersAbi.json
@@ -1,216 +1,248 @@
[
- {
- "inputs": [
- {
- "internalType": "address",
- "name": "contract",
- "type": "address"
- }
- ],
- "name": "allowlistEnabled",
- "outputs": [
- {
- "internalType": "bool",
- "name": "",
- "type": "bool"
- }
- ],
- "stateMutability": "view",
- "type": "function"
- },
- {
- "inputs": [
- {
- "internalType": "address",
- "name": "target",
- "type": "address"
- },
- {
- "internalType": "address",
- "name": "caller",
- "type": "address"
- }
- ],
- "name": "allowed",
- "outputs": [
- {
- "internalType": "bool",
- "name": "",
- "type": "bool"
- }
- ],
- "stateMutability": "view",
- "type": "function"
- },
- {
- "inputs": [
- {
- "internalType": "address",
- "name": "target",
- "type": "address"
- }
- ],
- "name": "contractOwner",
- "outputs": [
- {
- "internalType": "address",
- "name": "",
- "type": "address"
- }
- ],
- "stateMutability": "view",
- "type": "function"
- },
- {
- "inputs": [
- {
- "internalType": "address",
- "name": "target",
- "type": "address"
- }
- ],
- "name": "sponsoringEnabled",
- "outputs": [
- {
- "internalType": "bool",
- "name": "",
- "type": "bool"
- }
- ],
- "stateMutability": "view",
- "type": "function"
- },
- {
- "inputs": [
- {
- "internalType": "address",
- "name": "target",
- "type": "address"
- },
- {
- "internalType": "address",
- "name": "user",
- "type": "address"
- },
- {
- "internalType": "bool",
- "name": "isAllowed",
- "type": "bool"
- }
- ],
- "name": "toggleAllowed",
- "outputs": [],
- "stateMutability": "nonpayable",
- "type": "function"
- },
- {
- "inputs": [
- {
- "internalType": "address",
- "name": "target",
- "type": "address"
- },
- {
- "internalType": "bool",
- "name": "enabled",
- "type": "bool"
- }
- ],
- "name": "toggleAllowlist",
- "outputs": [],
- "stateMutability": "nonpayable",
- "type": "function"
- },
- {
- "inputs": [
- {
- "internalType": "address",
- "name": "target",
- "type": "address"
- },
- {
- "internalType": "bool",
- "name": "enabled",
- "type": "bool"
- }
- ],
- "name": "toggleSponsoring",
- "outputs": [],
- "stateMutability": "nonpayable",
- "type": "function"
- },
- {
- "inputs": [
- {
- "internalType": "address",
- "name": "target",
- "type": "address"
- },
- {
- "internalType": "uint8",
- "name": "mode",
- "type": "uint8"
- }
- ],
- "name": "setSponsoringMode",
- "outputs": [],
- "stateMutability": "nonpayable",
- "type": "function"
- },
- {
- "inputs": [
- {
- "internalType": "address",
- "name": "target",
- "type": "address"
- }
- ],
- "name": "sponsoringMode",
- "outputs": [
- {
- "internalType": "uint8",
- "name": "",
- "type": "uint8"
- }
- ],
- "stateMutability": "nonpayable",
- "type": "function"
- },
- {
- "inputs": [
- {
- "internalType": "address",
- "name": "target",
- "type": "address"
- },
- {
- "internalType": "uint32",
- "name": "limit",
- "type": "uint32"
- }
- ],
- "name": "setSponsoringRateLimit",
- "outputs": [],
- "stateMutability": "nonpayable",
- "type": "function"
- },
- {
- "inputs": [
- {
- "internalType": "address",
- "name": "contractAddress",
- "type": "address"
- }
- ],
- "name": "getSponsoringRateLimit",
- "outputs": [
- {
- "internalType": "uint32",
- "name": "",
- "type": "uint32"
- }
- ],
- "stateMutability": "view",
- "type": "function"
- }
-]
+ {
+ "inputs": [
+ {
+ "internalType": "address",
+ "name": "contractAddress",
+ "type": "address"
+ },
+ {
+ "internalType": "address",
+ "name": "user",
+ "type": "address"
+ }
+ ],
+ "name": "allowed",
+ "outputs": [
+ {
+ "internalType": "bool",
+ "name": "",
+ "type": "bool"
+ }
+ ],
+ "stateMutability": "view",
+ "type": "function"
+ },
+ {
+ "inputs": [
+ {
+ "internalType": "address",
+ "name": "contractAddress",
+ "type": "address"
+ }
+ ],
+ "name": "allowlistEnabled",
+ "outputs": [
+ {
+ "internalType": "bool",
+ "name": "",
+ "type": "bool"
+ }
+ ],
+ "stateMutability": "view",
+ "type": "function"
+ },
+ {
+ "inputs": [
+ {
+ "internalType": "address",
+ "name": "contractAddress",
+ "type": "address"
+ }
+ ],
+ "name": "contractOwner",
+ "outputs": [
+ {
+ "internalType": "address",
+ "name": "",
+ "type": "address"
+ }
+ ],
+ "stateMutability": "view",
+ "type": "function"
+ },
+ {
+ "inputs": [],
+ "name": "create721Collection",
+ "outputs": [
+ {
+ "internalType": "address",
+ "name": "",
+ "type": "address"
+ }
+ ],
+ "stateMutability": "view",
+ "type": "function"
+ },
+ {
+ "inputs": [
+ {
+ "internalType": "address",
+ "name": "contractAddress",
+ "type": "address"
+ }
+ ],
+ "name": "getSponsoringRateLimit",
+ "outputs": [
+ {
+ "internalType": "uint32",
+ "name": "",
+ "type": "uint32"
+ }
+ ],
+ "stateMutability": "view",
+ "type": "function"
+ },
+ {
+ "inputs": [
+ {
+ "internalType": "address",
+ "name": "contractAddress",
+ "type": "address"
+ },
+ {
+ "internalType": "uint8",
+ "name": "mode",
+ "type": "uint8"
+ }
+ ],
+ "name": "setSponsoringMode",
+ "outputs": [],
+ "stateMutability": "nonpayable",
+ "type": "function"
+ },
+ {
+ "inputs": [
+ {
+ "internalType": "address",
+ "name": "contractAddress",
+ "type": "address"
+ },
+ {
+ "internalType": "uint32",
+ "name": "rateLimit",
+ "type": "uint32"
+ }
+ ],
+ "name": "setSponsoringRateLimit",
+ "outputs": [],
+ "stateMutability": "nonpayable",
+ "type": "function"
+ },
+ {
+ "inputs": [
+ {
+ "internalType": "address",
+ "name": "contractAddress",
+ "type": "address"
+ }
+ ],
+ "name": "sponsoringEnabled",
+ "outputs": [
+ {
+ "internalType": "bool",
+ "name": "",
+ "type": "bool"
+ }
+ ],
+ "stateMutability": "view",
+ "type": "function"
+ },
+ {
+ "inputs": [
+ {
+ "internalType": "address",
+ "name": "contractAddress",
+ "type": "address"
+ }
+ ],
+ "name": "sponsoringMode",
+ "outputs": [
+ {
+ "internalType": "uint8",
+ "name": "",
+ "type": "uint8"
+ }
+ ],
+ "stateMutability": "view",
+ "type": "function"
+ },
+ {
+ "inputs": [
+ {
+ "internalType": "bytes4",
+ "name": "interfaceID",
+ "type": "bytes4"
+ }
+ ],
+ "name": "supportsInterface",
+ "outputs": [
+ {
+ "internalType": "bool",
+ "name": "",
+ "type": "bool"
+ }
+ ],
+ "stateMutability": "view",
+ "type": "function"
+ },
+ {
+ "inputs": [
+ {
+ "internalType": "address",
+ "name": "contractAddress",
+ "type": "address"
+ },
+ {
+ "internalType": "address",
+ "name": "user",
+ "type": "address"
+ },
+ {
+ "internalType": "bool",
+ "name": "allowed",
+ "type": "bool"
+ }
+ ],
+ "name": "toggleAllowed",
+ "outputs": [],
+ "stateMutability": "nonpayable",
+ "type": "function"
+ },
+ {
+ "inputs": [
+ {
+ "internalType": "address",
+ "name": "contractAddress",
+ "type": "address"
+ },
+ {
+ "internalType": "bool",
+ "name": "enabled",
+ "type": "bool"
+ }
+ ],
+ "name": "toggleAllowlist",
+ "outputs": [],
+ "stateMutability": "nonpayable",
+ "type": "function"
+ },
+ {
+ "inputs": [
+ {
+ "internalType": "address",
+ "name": "contractAddress",
+ "type": "address"
+ },
+ {
+ "internalType": "bool",
+ "name": "enabled",
+ "type": "bool"
+ }
+ ],
+ "name": "toggleSponsoring",
+ "outputs": [],
+ "stateMutability": "nonpayable",
+ "type": "function"
+ }
+]
\ No newline at end of file
tests/src/eth/util/helpers.tsdiffbeforeafterboth1// 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// eslint-disable-next-line @typescript-eslint/triple-slash-reference18/// <reference path="helpers.d.ts" />1920import {ApiPromise} from '@polkadot/api';21import {addressToEvm, evmToAddress} from '@polkadot/util-crypto';22import Web3 from 'web3';23import usingApi, {submitTransactionAsync} from '../../substrate/substrate-api';24import {IKeyringPair} from '@polkadot/types/types';25import {expect} from 'chai';26import {CrossAccountId, getGenericResult, UNIQUE} from '../../util/helpers';27import * as solc from 'solc';28import config from '../../config';29import privateKey from '../../substrate/privateKey';30import contractHelpersAbi from './contractHelpersAbi.json';31import getBalance from '../../substrate/get-balance';32import waitNewBlocks from '../../substrate/wait-new-blocks';3334export const GAS_ARGS = {gas: 2500000};3536export enum SponsoringMode {37 Disabled = 0,38 Allowlisted = 1,39 Generous = 2,40}4142let web3Connected = false;43export async function usingWeb3<T>(cb: (web3: Web3) => Promise<T> | T): Promise<T> {44 if (web3Connected) throw new Error('do not nest usingWeb3 calls');45 web3Connected = true;4647 const provider = new Web3.providers.WebsocketProvider(config.substrateUrl);48 const web3 = new Web3(provider);4950 try {51 return await cb(web3);52 } finally {53 // provider.disconnect(3000, 'normal disconnect');54 provider.connection.close();55 web3Connected = false;56 }57}5859function encodeIntBE(v: number): number[] {60 if (v >= 0xffffffff || v < 0) throw new Error('id overflow');61 return [62 v >> 24,63 (v >> 16) & 0xff,64 (v >> 8) & 0xff,65 v & 0xff,66 ];67}6869export function collectionIdToAddress(collection: number): string {70 const buf = Buffer.from([0x17, 0xc4, 0xe6, 0x45, 0x3c, 0xc4, 0x9a, 0xaa, 0xae, 0xac, 0xa8, 0x94, 0xe6, 0xd9, 0x68, 0x3e,71 ...encodeIntBE(collection),72 ]);73 return Web3.utils.toChecksumAddress('0x' + buf.toString('hex'));74}7576export function tokenIdToAddress(collection: number, token: number): string {77 const buf = Buffer.from([0xf8, 0x23, 0x8c, 0xcf, 0xff, 0x8e, 0xd8, 0x87, 0x46, 0x3f, 0xd5, 0xe0,78 ...encodeIntBE(collection),79 ...encodeIntBE(token),80 ]);81 return Web3.utils.toChecksumAddress('0x' + buf.toString('hex'));82}83export function tokenIdToCross(collection: number, token: number): CrossAccountId {84 return {85 Ethereum: tokenIdToAddress(collection, token),86 };87}8889export function createEthAccount(web3: Web3) {90 const account = web3.eth.accounts.create();91 web3.eth.accounts.wallet.add(account.privateKey);92 return account.address;93}9495export async function createEthAccountWithBalance(api: ApiPromise, web3: Web3) {96 const alice = privateKey('//Alice');97 const account = createEthAccount(web3);98 await transferBalanceToEth(api, alice, account);99100 return account;101}102103export async function transferBalanceToEth(api: ApiPromise, source: IKeyringPair, target: string, amount = 1000n * UNIQUE) {104 const tx = api.tx.balances.transfer(evmToAddress(target), amount);105 const events = await submitTransactionAsync(source, tx);106 const result = getGenericResult(events);107 expect(result.success).to.be.true;108}109110export async function itWeb3(name: string, cb: (apis: { web3: Web3, api: ApiPromise }) => any, opts: { only?: boolean, skip?: boolean } = {}) {111 let i: any = it;112 if (opts.only) i = i.only;113 else if (opts.skip) i = i.skip;114 i(name, async () => {115 await usingApi(async api => {116 await usingWeb3(async web3 => {117 await cb({api, web3});118 });119 });120 });121}122itWeb3.only = (name: string, cb: (apis: { web3: Web3, api: ApiPromise }) => any) => itWeb3(name, cb, {only: true});123itWeb3.skip = (name: string, cb: (apis: { web3: Web3, api: ApiPromise }) => any) => itWeb3(name, cb, {skip: true});124125export async function generateSubstrateEthPair(web3: Web3) {126 const account = web3.eth.accounts.create();127 evmToAddress(account.address);128}129130type NormalizedEvent = {131 address: string,132 event: string,133 args: { [key: string]: string }134};135136export function normalizeEvents(events: any): NormalizedEvent[] {137 const output = [];138 for (const key of Object.keys(events)) {139 if (key.match(/^[0-9]+$/)) {140 output.push(events[key]);141 } else if (Array.isArray(events[key])) {142 output.push(...events[key]);143 } else {144 output.push(events[key]);145 }146 }147 output.sort((a, b) => a.logIndex - b.logIndex);148 return output.map(({address, event, returnValues}) => {149 const args: { [key: string]: string } = {};150 for (const key of Object.keys(returnValues)) {151 if (!key.match(/^[0-9]+$/)) {152 args[key] = returnValues[key];153 }154 }155 return {156 address,157 event,158 args,159 };160 });161}162163export async function recordEvents(contract: any, action: () => Promise<void>): Promise<NormalizedEvent[]> {164 const out: any = [];165 contract.events.allEvents((_: any, event: any) => {166 out.push(event);167 });168 await action();169 return normalizeEvents(out);170}171172export function subToEthLowercase(eth: string): string {173 const bytes = addressToEvm(eth);174 return '0x' + Buffer.from(bytes).toString('hex');175}176177export function subToEth(eth: string): string {178 return Web3.utils.toChecksumAddress(subToEthLowercase(eth));179}180181export function compileContract(name: string, src: string) {182 const out = JSON.parse(solc.compile(JSON.stringify({183 language: 'Solidity',184 sources: {185 [`${name}.sol`]: {186 content: `187 // SPDX-License-Identifier: UNLICENSED188 pragma solidity ^0.8.6;189190 ${src}191 `,192 },193 },194 settings: {195 outputSelection: {196 '*': {197 '*': ['*'],198 },199 },200 },201 }))).contracts[`${name}.sol`][name];202203 return {204 abi: out.abi,205 object: '0x' + out.evm.bytecode.object,206 };207}208209export async function deployFlipper(web3: Web3, deployer: string) {210 const compiled = compileContract('Flipper', `211 contract Flipper {212 bool value = false;213 function flip() public {214 value = !value;215 }216 function getValue() public view returns (bool) {217 return value;218 }219 }220 `);221 const flipperContract = new web3.eth.Contract(compiled.abi, undefined, {222 data: compiled.object,223 from: deployer,224 ...GAS_ARGS,225 });226 const flipper = await flipperContract.deploy({data: compiled.object}).send({from: deployer});227228 return flipper;229}230231export async function deployCollector(web3: Web3, deployer: string) {232 const compiled = compileContract('Collector', `233 contract Collector {234 uint256 collected;235 fallback() external payable {236 giveMoney();237 }238 function giveMoney() public payable {239 collected += msg.value;240 }241 function getCollected() public view returns (uint256) {242 return collected;243 }244 function getUnaccounted() public view returns (uint256) {245 return address(this).balance - collected;246 }247248 function withdraw(address payable target) public {249 target.transfer(collected);250 collected = 0;251 }252 }253 `);254 const collectorContract = new web3.eth.Contract(compiled.abi, undefined, {255 data: compiled.object,256 from: deployer,257 ...GAS_ARGS,258 });259 const collector = await collectorContract.deploy({data: compiled.object}).send({from: deployer});260261 return collector;262}263264/** 265 * pallet evm_contract_helpers266 * @param web3 267 * @param caller - eth address268 * @returns 269 */270export function contractHelpers(web3: Web3, caller: string) {271 return new web3.eth.Contract(contractHelpersAbi as any, '0x842899ECF380553E8a4de75bF534cdf6fBF64049', {from: caller, ...GAS_ARGS});272}273274/**275 * Execute ethereum method call using substrate account276 * @param to target contract277 * @param mkTx - closure, receiving `contract.methods`, and returning method call,278 * to be used as following (assuming `to` = erc20 contract):279 * `m => m.transfer(to, amount)`280 *281 * # Example282 * ```ts283 * executeEthTxOnSub(api, alice, erc20Contract, m => m.transfer(target, amount));284 * ```285 */286export async function executeEthTxOnSub(web3: Web3, api: ApiPromise, from: IKeyringPair, to: any, mkTx: (methods: any) => any, {value = 0}: {value?: bigint | number} = { }) {287 const tx = api.tx.evm.call(288 subToEth(from.address),289 to.options.address,290 mkTx(to.methods).encodeABI(),291 value,292 GAS_ARGS.gas,293 await web3.eth.getGasPrice(),294 null,295 null,296 [],297 );298 const events = await submitTransactionAsync(from, tx);299 expect(events.some(({event: {section, method}}) => section == 'evm' && method == 'Executed')).to.be.true;300}301302export async function ethBalanceViaSub(api: ApiPromise, address: string): Promise<bigint> {303 return (await getBalance(api, [evmToAddress(address)]))[0];304}305306/**307 * Measure how much gas given closure consumes308 *309 * @param user which user balance will be checked310 */311export async function recordEthFee(api: ApiPromise, user: string, call: () => Promise<any>): Promise<bigint> {312 const before = await ethBalanceViaSub(api, user);313314 await call();315316 // In dev mode, the transaction might not finish processing in time317 await waitNewBlocks(api, 1);318 const after = await ethBalanceViaSub(api, user);319320 // Can't use .to.be.less, because chai doesn't supports bigint321 expect(after < before).to.be.true;322323 return before - after;324}325326type ElementOf<A> = A extends readonly (infer T)[] ? T : never;327// I want a fancier api, not a memory efficiency328export function* cartesian<T extends Array<Array<any>>, R extends Array<any>>(internalRest: [...R], ...args: [...T]): Generator<[...R, ...{[K in keyof T]: ElementOf<T[K]>}]> {329 if(args.length === 0) {330 yield internalRest as any;331 return;332 }333 for(const value of args[0]) {334 yield* cartesian([...internalRest, value], ...args.slice(1)) as any;335 }336}