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autoload: Add abiFillEmptyNames helper #150

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merged 12 commits into from
Nov 8, 2024
Merged

autoload: Add abiFillEmptyNames helper #150

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c00e2ea
helpers: Add abiFillEmptyNames
yohamta Nov 7, 2024
6f120b5
auto: Add abiHelpers option to AutoloadConfig
yohamta Nov 7, 2024
ed0d9a5
Adjusted a test case
yohamta Nov 7, 2024
31feb63
helpers: modify fucntion comment
yohamta Nov 7, 2024
4a1af22
whatsabi: Add exports
yohamta Nov 7, 2024
d582649
use startsWith to type check
yohamta Nov 8, 2024
6a0590f
merge helper.ts and abi.ts
yohamta Nov 8, 2024
add0386
fix convention
yohamta Nov 8, 2024
1b24265
update convention
yohamta Nov 8, 2024
2ba3e9e
rename function
yohamta Nov 8, 2024
32be43b
remove from autoload
yohamta Nov 8, 2024
6f618fc
fix comments
yohamta Nov 8, 2024
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258 changes: 258 additions & 0 deletions src/__tests__/abi.test.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,258 @@
import { expect, describe, it } from "vitest";

import { ABI, fillEmptyNames } from "../abi";

describe("fillEmptyNames", () => {
type testCase = {
name: string;
abi: Array<ABI[number] | unknown>;
want: Array<ABI[number] | unknown>;
};

const testCases: testCase[] = [
{
name: "Basic test",
abi: [
{
type: "function",
selector: "0x95d376d7",
payable: false,
stateMutability: "payable",
inputs: [
{
type: "tuple",
name: "",
components: [
{ type: "uint32", name: "" },
{ type: "bytes", name: "" },
{ type: "bytes32", name: "" },
{ type: "uint64", name: "" },
{ type: "address", name: "" },
],
},
{ type: "bytes", name: "" },
],
outputs: [
{
type: "tuple",
name: "",
components: [
{ type: "uint32", name: "" },
{ type: "bytes", name: "" },
{ type: "bytes32", name: "" },
{ type: "uint64", name: "" },
{ type: "address", name: "" },
],
},
{ type: "bytes", name: "" },
],
sig: "assignJob((uint32,bytes,bytes32,uint64,address),bytes)",
name: "assignJob",
constant: false,
},
],
want: [
{
type: "function",
selector: "0x95d376d7",
payable: false,
stateMutability: "payable",
inputs: [
{
type: "tuple",
name: "",
components: [
{ type: "uint32", name: "_param0" },
{ type: "bytes", name: "_param1" },
{ type: "bytes32", name: "_param2" },
{ type: "uint64", name: "_param3" },
{ type: "address", name: "_param4" },
],
},
{ type: "bytes", name: "" },
],
outputs: [
{
type: "tuple",
name: "",
components: [
{ type: "uint32", name: "_param0" },
{ type: "bytes", name: "_param1" },
{ type: "bytes32", name: "_param2" },
{ type: "uint64", name: "_param3" },
{ type: "address", name: "_param4" },
],
},
{ type: "bytes", name: "" },
],
sig: "assignJob((uint32,bytes,bytes32,uint64,address),bytes)",
name: "assignJob",
constant: false,
},
],
},
{
name: "Nested tuple test",
abi: [
{
name: "test",
selector: "0x12345679",
inputs: [
{
name: "",
type: "tuple",
components: [
{
type: "tuple",
name: "",
components: [
{
type: "tuple",
name: "",
components: [
{ type: "uint256", name: "" },
{ type: "address", name: "x" },
],
},
{
type: "tuple",
name: "n1",
components: [
{ type: "uint256", name: "y" },
{ type: "address", name: "" },
],
},
],
},
],
},
],
stateMutability: "view",
type: "function",
},
],
want: [
{
name: "test",
selector: "0x12345679",
inputs: [
{
name: "",
type: "tuple",
components: [
{
type: "tuple",
name: "_param0",
components: [
{
type: "tuple",
name: "_param0",
components: [
{
type: "uint256",
name: "_param0",
},
{ type: "address", name: "x" },
],
},
{
type: "tuple",
name: "n1",
components: [
{ type: "uint256", name: "y" },
{
type: "address",
name: "_param1",
},
],
},
],
},
],
},
],
stateMutability: "view",
type: "function",
},
],
},
{
name: "Other Tuple types: Tuple[] and Tuple[k]",
abi: [
{
name: "test",
selector: "0x12345679",
inputs: [
{
name: "",
type: "tuple",
components: [
{
name: "",
type: "tuple[]",
components: [
{ name: "", type: "uint256" },
{ name: "", type: "uint256" },
],
},
{
name: "",
type: "tuple[2]",
components: [
{ name: "", type: "uint256" },
{ name: "", type: "uint256" },
],
},
],
},
],
stateMutability: "view",
type: "function",
},
],
want: [
{
name: "test",
selector: "0x12345679",
inputs: [
{
name: "",
type: "tuple",
components: [
{
name: "_param0",
type: "tuple[]",
components: [
{ name: "_param0", type: "uint256" },
{ name: "_param1", type: "uint256" },
],
},
{
name: "_param1",
type: "tuple[2]",
components: [
{ name: "_param0", type: "uint256" },
{ name: "_param1", type: "uint256" },
],
},
],
},
],
stateMutability: "view",
type: "function",
},
],
},
{
name: "Empty ABI",
abi: [],
want: [],
},
];

testCases.forEach((tc) => {
it(tc.name, () => {
expect(fillEmptyNames(tc.abi as ABI)).toStrictEqual(tc.want);
});
});
});
114 changes: 112 additions & 2 deletions src/abi.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,8 @@ export type ABIFunction = {
type: "function"; // TODO: constructor, receive, fallback
selector: string;
name?: string;
outputs?: {type: string, length?: number, name: string}[];
inputs?: {type: string, name: string}[];
outputs?: ABIOutput[];
inputs?: ABIInput[];
sig?: string;
sigAlts?: string[];
payable?: boolean;
Expand All @@ -21,4 +21,114 @@ export type ABIEvent = {
// TODO: ...
};

export type ABIInput = {
type: string;
name: string;
length?: number;
components?: ABIInOut[];
}

export type ABIOutput = {
type: string;
name: string;
components?: ABIInOut[];
}

export type ABIInOut = ABIInput|ABIOutput;

export type ABI = (ABIFunction|ABIEvent)[];

/**
* Fills tuple component's empty names in an ABI with generated names
*
* @example
* Input: {
* "type": "function",
* "selector": "0x95d376d7",
* "payable": false,
* "stateMutability": "payable",
* "inputs": [
* {
* "type": "tuple",
* "name": "",
* "components": [
* { "type": "uint32", "name": "" },
* { "type": "bytes", "name": "" },
* { "type": "bytes32", "name": "" },
* { "type": "uint64", "name": "" },
* { "type": "address", "name": "" }
* ]
* },
* { "type": "bytes", "name": "" }
* ],
* "sig": "assignJob((uint32,bytes,bytes32,uint64,address),bytes)",
* "name": "assignJob",
* "constant": false
* }
*
* Output: {
* "type": "function",
* "selector": "0x95d376d7",
* "payable": false,
* "stateMutability": "payable",
* "inputs": [
* {
* "type": "tuple",
* "name": "",
* "components": [
* { "type": "uint32", "name": "field0" },
* { "type": "bytes", "name": "field1" },
* { "type": "bytes32", "name": "field2" },
* { "type": "uint64", "name": "field3" },
* { "type": "address", "name": "field4" }
* ]
* },
* { "type": "bytes", "name": "" }
* ],
* "sig": "assignJob((uint32,bytes,bytes32,uint64,address),bytes)",
* "name": "assignJob",
* "constant": false
* }
*
* @param abi The ABI to process
* @returns A new ABI with tuple component names filled
*/
export function fillEmptyNames(abi: ABI): ABI {
function processComponents(components: ABIInOut[]): void {
components.forEach((component, index) => {
component.name ||= `_param${index}`;
if (isTupleType(component.type) && component.components) {
processComponents(component.components);
}
});
}

const result: ABI = abi.map((item) => {
if (item.type === "function") {
const func: ABIFunction = { ...item };
func.inputs?.forEach((input) => {
if (isTupleType(input.type) && input.components) {
processComponents(input.components);
}
});
func.outputs?.forEach((output) => {
if (isTupleType(output.type) && output.components) {
processComponents(output.components);
}
});
return func;
}
return item;
});

return result;
}

/**
* Checks if a type is a tuple type (e.g. "tuple", "tuple[]", "tuple[2]")
* @param type type to check
* @returns true if the type is a tuple type
*/
function isTupleType(type: string): boolean {
return type.startsWith("tuple");
}
3 changes: 3 additions & 0 deletions src/whatsabi.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -26,5 +26,8 @@ export { proxies };
import * as providers from "./providers.js";
export { providers };

import * as abi from "./abi.js";
export { abi };

import * as errors from "./errors.js";
export { errors };
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