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feat(examples): Governance Token Precompile #55

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Jul 29, 2024
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feat(examples): Governance Token Precompile #55

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4 changes: 4 additions & 0 deletions examples/exec-scripts/Justfile
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Original file line number Diff line number Diff line change
Expand Up @@ -19,3 +19,7 @@ gen fork_url: install-opt8n forge-updates
# Generates the execution test fixture for the weth9 precompile script
gen-weth9 fork_url: install-opt8n forge-updates
opt8n --output ../../fixtures/execution/Weth9Precompile.json --fork-url {{fork_url}} script Weth9Precompile

# Generates the execution test fixture for the governance token precompile script
gen-governance-token fork_url: install-opt8n forge-updates
opt8n --output ../../fixtures/execution/GovernanceTokenPrecompile.json --fork-url {{fork_url}} script GovernanceTokenPrecompile
37 changes: 37 additions & 0 deletions examples/exec-scripts/script/GovernanceTokenPrecompile.s.sol
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Original file line number Diff line number Diff line change
@@ -0,0 +1,37 @@
// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.13;

import {Script} from "forge-std/Script.sol";
import { StdAssertions } from "forge-std/StdAssertions.sol";

interface GovernanceToken {
function name() external view returns (string memory);
function approve(address spender, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
}

/// Calls the Governance Token Precompile
contract GovernanceTokenPrecompile is Script, StdAssertions {
GovernanceToken constant TOKEN = GovernanceToken(address(0x4200000000000000000000000000000000000042));

function setUp() public {}

function run() public {
// Validation
assertEq(TOKEN.name(), "Optimism");

address spender = address(0xdeadeee);

// Check the allowance of the spender
uint256 allowance = TOKEN.allowance(msg.sender, spender);
assertEq(allowance, 0);

// Increase allowance of the spender
vm.broadcast();
TOKEN.approve(spender, 100);

// Check the allowance of the spender
allowance = TOKEN.allowance(msg.sender, spender);
assertEq(allowance, 100);
}
}
44 changes: 22 additions & 22 deletions fixtures/execution/Weth9Precompile.json
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Original file line number Diff line number Diff line change
@@ -1,15 +1,15 @@
{
"env": {
"currentCoinbase": "0x0000000000000000000000000000000000000000",
"currentDifficulty": "0x7642a519106489a25ccce64b86090c8e7db9372f32e9eda11200bd1c717f2625",
"currentDifficulty": "0x4f6a6d3433b9380ef1f0ab29f91afdc2842da78fe17b52a2ab86e1b5f9ed6c2f",
"currentGasLimit": "0x1c9c380",
"previousHash": "0xcf51399fdee5e4825ae91080390d0aa107c460e1056792ff0800ae02538825d3",
"currentNumber": "0x759ffd8",
"currentTimestamp": "0x66a7d969"
"previousHash": "0x5a0f993d31f37229f27db27c90268a12356bb442873168c9c3ea4a47257b5239",
"currentNumber": "0x75a029f",
"currentTimestamp": "0x66a7def8"
},
"alloc": {
"0x4200000000000000000000000000000000000006": {
"balance": "0x86ab06629fccad08705",
"balance": "0x86c982bf9e41e41d251",
"code": "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"
},
"0xa0ee7a142d267c1f36714e4a8f75612f20a79720": {
Expand All @@ -21,15 +21,15 @@
}
},
"outAlloc": {
"0x0000000000000000000000000000000000000000": {
"balance": "0x117b08b953355564"
},
"0xa0ee7a142d267c1f36714e4a8f75612f20a79720": {
"balance": "0x21e0c0012fca42e977a",
"balance": "0x21e0c0012febdab24b2",
"nonce": 1
},
"0x0000000000000000000000000000000000000000": {
"balance": "0x117b08bb864b91a6"
},
"0x4200000000000000000000000000000000000006": {
"balance": "0x86abe46e0b072348705",
"balance": "0x86ca60cb097c5a5d251",
"storage": {
"0x6a706e96617ceafd46f24757f71aad32b88c8bf0b8ae22ec3de611582d2d4a6c": "0x0000000000000000000000000000000000000000000000000de0b6b3a7640000"
}
Expand All @@ -41,30 +41,30 @@
"chainId": "0xa",
"nonce": "0x0",
"gasLimit": "0x10050",
"maxFeePerGas": "0x13742c",
"maxPriorityFeePerGas": "0xa52e0",
"maxFeePerGas": "0x103d91",
"maxPriorityFeePerGas": "0x71c5f",
"to": "0x4200000000000000000000000000000000000006",
"value": "0xde0b6b3a7640000",
"accessList": [],
"input": "0xd0e30db0",
"r": "0xf59b22eebd70918b8c00865574d3c50a2ea431e3b305bf1d3dbc6cd9fb5f473d",
"s": "0x4063dd1731c08ec0983dc4be06d4f134528549b08464bed5ba3f367750939ea6",
"r": "0xf7a167e8540149a29c8a44f519c78b2ff5c059d3959607df8aa8ed308c43bc3b",
"s": "0x4a2b02ea301282f4c06b9b4d6f1033b8b3978cab082a77e1185520b60acce444",
"yParity": "0x1",
"hash": "0x09f71cc85e9af7422e76d7db6d9510b85a627f5972f150a0d8727fd2f1eb6cc8"
"hash": "0xbfa05b7c2c5e50db6cf7f83469a996e1306712a17fe890e1b1e81856257b1d34"
}
}
],
"result": {
"stateRoot": "0x0000000000000000000000000000000000000000000000000000000000000000",
"txRoot": "0x39195e50de80168acf9316a7ebd991daca9ca041faebe8355153c3ac5212ad89",
"txRoot": "0x90006ffb096a52c332d94153d66ae1aca204f36e2348660621ff1b80053990b6",
"receiptRoot": "0xc4b290f69c74db3a91e2758c1489a26e40885f0e07e93a5158ffbb86ddbe36c0",
"logsBloom": "0x00000000000000000000040000000000000000000000000000040000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008008000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001002000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000400000000000000000",
"receipts": [
{
"root": "0x0000000000000000000000000000000000000000000000000000000000000000",
"transactionHash": "0x09f71cc85e9af7422e76d7db6d9510b85a627f5972f150a0d8727fd2f1eb6cc8",
"transactionHash": "0xbfa05b7c2c5e50db6cf7f83469a996e1306712a17fe890e1b1e81856257b1d34",
"gasUsed": "0xaf42",
"blockHash": "0x32da196d87e53a77c0aef14839a1272afac5757efc3f99a29c90149a1000c4bb",
"blockHash": "0x62043c412f3c10da9cefcf9165211b2b35c2c69ac52731852940120128604ebb",
"transactionIndex": "0x0",
"type": "0x2",
"status": "0x1",
Expand All @@ -77,10 +77,10 @@
"0x000000000000000000000000a0ee7a142d267c1f36714e4a8f75612f20a79720"
],
"data": "0x0000000000000000000000000000000000000000000000000de0b6b3a7640000",
"blockHash": "0x32da196d87e53a77c0aef14839a1272afac5757efc3f99a29c90149a1000c4bb",
"blockNumber": "0x759ffd8",
"blockTimestamp": "0x66a7d969",
"transactionHash": "0x09f71cc85e9af7422e76d7db6d9510b85a627f5972f150a0d8727fd2f1eb6cc8",
"blockHash": "0x62043c412f3c10da9cefcf9165211b2b35c2c69ac52731852940120128604ebb",
"blockNumber": "0x75a029f",
"blockTimestamp": "0x66a7def8",
"transactionHash": "0xbfa05b7c2c5e50db6cf7f83469a996e1306712a17fe890e1b1e81856257b1d34",
"transactionIndex": "0x0",
"logIndex": "0x0",
"removed": false
Expand Down