git.delta.rocks / unique-network / refs/commits / 7fa45b56518f

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/>.1617import {IKeyringPair} from '@polkadot/types/types';1819import {expect, itEth, usingEthPlaygrounds} from './util';2021describe('Precompiles', () => {22  let donor: IKeyringPair;2324  before(async function() {25    await usingEthPlaygrounds(async (_, privateKey) => {26      donor = await privateKey({url: import.meta.url});27    });28  });2930  itEth('ecrecover is supported', async ({helper}) => {31    const owner = await helper.eth.createAccountWithBalance(donor);32    const ecrecoverCompiledСontract = await helper.ethContract.compile(33      'ECRECOVER',34      `35      // SPDX-License-Identifier: MIT36      pragma solidity ^0.8.17;3738      contract ECRECOVER{39        address addressTest = 0x12Cb274aAD8251C875c0bf6872b67d9983E53fDd;40        bytes32 msgHash1 = 0xc51dac836bc7841a01c4b631fa620904fc8724d7f9f1d3c420f0e02adf229d50;41        bytes32 msgHash2 = 0xc51dac836bc7841a01c4b631fa620904fc8724d7f9f1d3c420f0e02adf229d51;42        uint8 v = 0x1b;43        bytes32 r = 0x44287513919034a471a7dc2b2ed121f95984ae23b20f9637ba8dff471b6719ef;44        bytes32 s = 0x7d7dc30309a3baffbfd9342b97d0e804092c0aeb5821319aa732bc09146eafb4;454647        function verifyValid() public view returns(bool) {48           // Use ECRECOVER to verify address49           return ecrecover(msgHash1, v, r, s) == (addressTest);50        }5152        function verifyInvalid() public view returns(bool) {53          // Use ECRECOVER to verify address54          return ecrecover(msgHash2, v, r, s) == (addressTest);55        }56      }57      `,58    );5960    const ecrecoverСontract = await helper.ethContract.deployByAbi(owner, ecrecoverCompiledСontract.abi, ecrecoverCompiledСontract.object);61    expect(await ecrecoverСontract.methods.verifyValid().call({from: owner})).to.be.true;62    expect(await ecrecoverСontract.methods.verifyInvalid().call({from: owner})).to.be.false;63  });6465  itEth('sr25519 is supported', async ({helper}) => {66    const owner = await helper.eth.createAccountWithBalance(donor);67    const sr25519CompiledСontract = await helper.ethContract.compile(68      'SR25519Contract',69      `70      // SPDX-License-Identifier: MIT71      pragma solidity ^0.8.17;7273      /**74       * @title SR25519 signature interface.75       */76      interface SR25519 {77          /**78           * @dev Verify signed message using SR25519 crypto.79           * @return A boolean confirming whether the public key is signer for the message. 80           */81          function verify(82            bytes32 public_key,83            bytes calldata signature,84            bytes calldata message85          ) external view returns (bool);86      }8788      contract SR25519Contract{89        SR25519 public constant sr25519 = SR25519(0x0000000000000000000000000000000000005002);9091        bytes32 public_key = 0x96b2f9237ed0890fbeed891ebb81b91ac0d5d5b6e3afcdbc95df1b68d9f14036;92        bytes signature = hex"4a5d733d7c568f2e88abf0467fd497f87c1be3e940ed897efdf9da72eaad394ef9918cb574ee99c54485775b17a0deaf46ff7a1f10346cea39fff0e4ede97689";93        bytes message1 = hex"7372323535313920697320737570706f72746564";94        bytes message2 = hex"7372323535313920697320737570706f7274656401";959697        function verifyValid() public view returns(bool) {98          return sr25519.verify(public_key, signature, message1);99        }100101        function verifyInvalid() public view returns(bool) {102          return sr25519.verify(public_key, signature, message2);103        }104      }105      `,106    );107108    const sr25519Сontract = await helper.ethContract.deployByAbi(owner, sr25519CompiledСontract.abi, sr25519CompiledСontract.object);109    expect(await sr25519Сontract.methods.verifyValid().call({from: owner})).to.be.true;110    expect(await sr25519Сontract.methods.verifyInvalid().call({from: owner})).to.be.false;111  });112});