ethers.js/src.ts/_tests/test-providers-errors.ts

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2022-10-20 12:00:49 +03:00
import assert from "assert";
import {
concat, dataSlice, id, toArray, zeroPadValue,
isCallException
} from "../index.js";
import { getProvider, providerNames } from "./create-provider.js";
type TestCustomError = {
name: string;
signature: string;
message: string,
data: string;
reason: null | string,
revert: null | {
signature: string,
name: string,
args: Array<any>
},
};
describe("Tests Provider Errors", function() {
const panics: Array<{ code: number, reason: string }> = [
//{ code: 0x00, reason: "GENERIC_PANIC" },
{ code: 0x01, reason: "ASSERT_FALSE" },
{ code: 0x11, reason: "OVERFLOW" },
{ code: 0x12, reason: "DIVIDE_BY_ZERO" },
//{ code: 0x21, reason: "ENUM_RANGE_ERROR" },
//{ code: 0x22, reason: "BAD_STORAGE_DATA" },
{ code: 0x31, reason: "STACK_UNDERFLOW" },
{ code: 0x32, reason: "ARRAY_RANGE_ERROR" },
//{ code: 0x41, reason: "OUT_OF_MEMORY" },
//{ code: 0x51, reason: "UNINITIALIZED_FUNCTION_CALL" },
];
const cleanup: Array<() => void> = [ ];
after(function() {
for (const func of cleanup) { func(); }
});
const testAddr = "0xF20Ba47c47a32fc2d9ad846fF06f2fa6e89eeC74";
const networkName = "goerli";
for (const { code, reason } of panics) {
for (const method of [ "call", "estimateGas" ]) {
for (const providerName of providerNames) {
const provider = getProvider(providerName, networkName);
if (provider == null) { continue; }
// Shutdown socket-based provider, otherwise its socket will prevent
// this process from exiting
if ((<any>provider).destroy) { cleanup.push(() => {(<any>provider).destroy(); }); }
it(`tests panic code: ${ providerName }.${ method }.${ reason }`, async function() {
this.timeout(10000);
const data = concat([
dataSlice(id("testPanic(uint256)"), 0, 4),
zeroPadValue(toArray(code), 32)
]);
const tx = { to: testAddr, data };
try {
const result = await (method === "call" ? provider.call(tx): provider.estimateGas(tx));
console.log(result);
assert.ok(false, "panic call did not throw");
} catch (error) {
assert.ok(isCallException(error), "isCallException");
// Check some basics
assert.equal(error.action, method, `error.action == ${ method }`);
assert.equal(error.reason, `Panic due to ${ reason }(${ code })`, "error.reason");
// Check the transaciton
assert.equal(error.transaction.to, tx.to, `error.transaction.to`);
assert.equal(error.transaction.data, tx.data, `error.transaction.data`);
// We have no invocation data
assert.equal(error.invocation, null, `error.invocation != null`);
// Check the revert
assert.ok(error.revert != null, "error.revert == null");
assert.equal(error.revert.name, "Panic", `error.revert.name`);
assert.equal(error.revert.signature, "Panic(uint256)", `error.revert.signature`);
assert.equal(error.revert.args.length, 1, `error.revert.args.length`);
assert.equal(error.revert.args[0], code, `error.revert.args[0]`);
}
});
}
}
}
const customErrors: Array<TestCustomError> = [
{
name: "CustomError1",
signature: "testCustomError1(bool,uint256,string)",
data: "0xdb7342480000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002a0000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000b68656c6c6f20776f726c64000000000000000000000000000000000000000000",
//data: "0x852d0c740000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002a0000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000b48656c6c6f20576f726c64000000000000000000000000000000000000000000",
message: `execution reverted (unknown custom error)`,
reason: null,
revert: null,
},
{
name: "Error",
signature: "testErrorString(bool,string)",
data: "0xb206699b00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000000b68656c6c6f20776f726c64000000000000000000000000000000000000000000",
//data: "0x08c379a00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000b48656c6c6f20576f726c64000000000000000000000000000000000000000000"
message: `execution reverted: "hello world"`,
reason: "hello world",
revert: {
signature: "Error(string)",
name: "Error",
args: [ 'hello world' ]
}
},
];
for (const { data, message, name, reason, revert } of customErrors) {
for (const method of [ "call", "estimateGas" ]) {
const tx = { to: testAddr, data };
for (const providerName of providerNames) {
const provider = getProvider(providerName, networkName);
if (provider == null) { continue; }
// Shutdown socket-based provider, otherwise its socket will prevent
// this process from exiting
if ((<any>provider).destroy) { cleanup.push(() => {(<any>provider).destroy(); }); }
it(`tests custom errors: ${ providerName }.${ method }.${ name }`, async function() {
this.timeout(10000)
try {
const result = await (method === "call" ? provider.call(tx): provider.estimateGas(tx));
console.log(result);
assert.ok(false, "panic call did not throw");
} catch (error) {
assert.ok(isCallException(error), "isCallException");
// Check some basics
assert.equal(error.action, method, `error.action == ${ method }`);
assert.ok(error.message.startsWith(message), "error.message == message");
if (reason) {
assert.equal(error.reason, reason, "error.reason");
} else {
assert.ok(error.reason == null, "error.reason != null");
}
if (revert) {
assert.ok(error.revert != null, "error.revert == null");
assert.equal(error.revert.name, revert.name, "error.revert.name");
assert.equal(error.revert.signature, revert.signature, "error.revert.signature");
assert.equal(error.revert.args.length, revert.args.length, "error.revert.args.length");
for (let i = 0; i < revert.args.length; i++) {
assert.equal(error.revert.args[i], revert.args[i], `error.revert.args[${ i }]`);
}
} else {
assert.ok(error.revert == null, "error.revert != null");
}
}
});
}
}
}
});