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calldata.js
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calldata.js
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import debugModule from "debug";
const debug = debugModule("test:data:calldata");
import { assert } from "chai";
import Ganache from "ganache-core";
import { prepareContracts, lineOf } from "../helpers";
import Debugger from "lib/debugger";
import * as TruffleDecodeUtils from "truffle-decode-utils";
import solidity from "lib/solidity/selectors";
const __CALLDATA = `
pragma solidity ^0.5.6;
pragma experimental ABIEncoderV2;
contract CalldataTest {
event Done();
struct Pair {
uint x;
uint y;
}
struct StringBox {
string it;
}
function simpleTest(string calldata hello) external {
emit Done(); //break simple
}
function staticTest(string calldata hello) external pure returns (string memory) {
return hello; //break static
}
function staticTester() public {
this.staticTest("hello world");
}
function delegateTester() public {
CalldataLibrary.delegateTest("hello world");
}
function multiTest(
string calldata hello,
uint[] calldata someInts,
Pair calldata pair)
external {
emit Done(); //break multi
}
function multiTester() public {
uint[2] memory twoInts;
uint[] memory someInts;
someInts = new uint[](2);
someInts[0] = 41;
someInts[1] = 42;
Pair memory pair;
pair.x = 321;
pair.y = 2049;
this.multiTest("hello", someInts, pair);
}
function stringBoxTest(StringBox calldata stringBox) external returns (string memory) {
return stringBox.it; //break stringBox
}
}
library CalldataLibrary {
event Done();
function delegateTest(string calldata hello) external {
emit Done(); //break delegate
}
}
`;
const __MIGRATION = `
var CalldataTest = artifacts.require("CalldataTest");
var CalldataLibrary = artifacts.require("CalldataLibrary");
module.exports = function(deployer) {
deployer.deploy(CalldataLibrary);
deployer.link(CalldataLibrary, CalldataTest);
deployer.deploy(CalldataTest);
};
`;
let sources = {
"CalldataTest.sol": __CALLDATA
};
let migrations = {
"2_deploy_contracts.js": __MIGRATION
};
describe("Calldata Decoding", function() {
var provider;
var abstractions;
var artifacts;
var files;
before("Create Provider", async function() {
provider = Ganache.provider({ seed: "debugger", gasLimit: 7000000 });
});
before("Prepare contracts and artifacts", async function() {
this.timeout(30000);
let prepared = await prepareContracts(provider, sources, migrations);
abstractions = prepared.abstractions;
artifacts = prepared.artifacts;
files = prepared.files;
});
it("Decodes various types correctly", async function() {
this.timeout(9000);
let instance = await abstractions.CalldataTest.deployed();
let receipt = await instance.multiTester();
let txHash = receipt.tx;
let bugger = await Debugger.forTx(txHash, {
provider,
files,
contracts: artifacts
});
let session = bugger.connect();
let sourceId = session.view(solidity.current.source).id;
let source = session.view(solidity.current.source).source;
await session.addBreakpoint({
sourceId,
line: lineOf("break multi", source)
});
await session.continueUntilBreakpoint();
const variables = TruffleDecodeUtils.Conversion.cleanBNs(
await session.variables()
);
const expectedResult = {
hello: "hello",
someInts: [41, 42],
pair: { x: 321, y: 2049 }
};
assert.deepInclude(variables, expectedResult);
});
it("Decodes correctly in the initial call", async function() {
this.timeout(6000);
let instance = await abstractions.CalldataTest.deployed();
let receipt = await instance.simpleTest("hello world");
let txHash = receipt.tx;
let bugger = await Debugger.forTx(txHash, {
provider,
files,
contracts: artifacts
});
let session = bugger.connect();
let sourceId = session.view(solidity.current.source).id;
let source = session.view(solidity.current.source).source;
await session.addBreakpoint({
sourceId,
line: lineOf("break simple", source)
});
await session.continueUntilBreakpoint();
const variables = await session.variables();
const expectedResult = {
hello: "hello world"
};
assert.include(variables, expectedResult);
});
it("Decodes dynamic structs correctly", async function() {
this.timeout(6000);
let instance = await abstractions.CalldataTest.deployed();
let receipt = await instance.stringBoxTest({ it: "hello world" });
let txHash = receipt.tx;
let bugger = await Debugger.forTx(txHash, {
provider,
files,
contracts: artifacts
});
let session = bugger.connect();
let sourceId = session.view(solidity.current.source).id;
let source = session.view(solidity.current.source).source;
await session.addBreakpoint({
sourceId,
line: lineOf("break stringBox", source)
});
await session.continueUntilBreakpoint();
const variables = await session.variables();
const expectedResult = {
stringBox: {
it: "hello world"
}
};
assert.deepInclude(variables, expectedResult);
});
it("Decodes correctly in a pure call", async function() {
this.timeout(6000);
let instance = await abstractions.CalldataTest.deployed();
let receipt = await instance.staticTester();
let txHash = receipt.tx;
let bugger = await Debugger.forTx(txHash, {
provider,
files,
contracts: artifacts
});
let session = bugger.connect();
let sourceId = session.view(solidity.current.source).id;
let source = session.view(solidity.current.source).source;
await session.addBreakpoint({
sourceId,
line: lineOf("break static", source)
});
await session.continueUntilBreakpoint();
const variables = await session.variables();
const expectedResult = {
hello: "hello world"
};
assert.include(variables, expectedResult);
});
it("Decodes correctly in a library call", async function() {
this.timeout(6000);
let instance = await abstractions.CalldataTest.deployed();
let receipt = await instance.delegateTester();
let txHash = receipt.tx;
let bugger = await Debugger.forTx(txHash, {
provider,
files,
contracts: artifacts
});
let session = bugger.connect();
let sourceId = session.view(solidity.current.source).id;
let source = session.view(solidity.current.source).source;
await session.addBreakpoint({
sourceId,
line: lineOf("break delegate", source)
});
await session.continueUntilBreakpoint();
const variables = await session.variables();
const expectedResult = {
hello: "hello world"
};
assert.include(variables, expectedResult);
});
});