import assert from "assert"; import { loadTests } from "./utils.js"; import { AbiCoder, Interface, decodeBytes32String, encodeBytes32String } from "../index.js"; function equal(actual, expected) { switch (expected.type) { case "address": case "boolean": case "hexstring": case "string": assert.equal(actual, expected.value); return; case "number": assert.equal(actual, BigInt(expected.value)); return; case "array": case "object": assert.ok(Array.isArray(actual), "!array"); assert.equal(actual.length, expected.value.length, ".length mismatch"); for (let i = 0; i < actual.length; i++) { equal(actual[i], expected.value[i]); } return; } throw new Error(`unsupported: ${expected}`); } describe("Tests ABI Coder", function () { const tests = loadTests("abi"); for (const test of tests) { it(`tests ABI encoding: (${test.name})`, function () { const encoded = AbiCoder.defaultAbiCoder().encode([test.type], [test.value]); assert.equal(encoded, test.encoded, "encoded"); }); } for (const test of tests) { it(`tests ABI decoding: (${test.name})`, function () { const decoded = AbiCoder.defaultAbiCoder().decode([test.type], test.encoded)[0]; equal(decoded, test.verbose); }); } }); describe("Test Bytes32 strings", function () { const tests = [ { name: "ricmoo.firefly.eth", str: "ricmoo.firefly.eth", expected: '0x7269636d6f6f2e66697265666c792e6574680000000000000000000000000000' }, { name: "empty string", str: "", expected: '0x0000000000000000000000000000000000000000000000000000000000000000' } ]; for (const { name, str, expected } of tests) { it(`encodes and decodes Bytes32 strings: ${name}`, function () { const bytes32 = encodeBytes32String(str); const decoded = decodeBytes32String(bytes32); assert.equal(bytes32, expected, 'formatted correctly'); assert.equal(decoded, str, "parsed correctly"); }); } }); describe("Test Interface", function () { const iface = new Interface([ "function balanceOf(address owner) returns (uint)", "event Transfer(address indexed from, address indexed to, uint amount)" ]); it("does interface stuff; @TODO expand this", function () { const addr = "0x8ba1f109551bD432803012645Ac136ddd64DBA72"; const addr2 = "0xAC1639CF97a3A46D431e6d1216f576622894cBB5"; const data = iface.encodeFunctionData("balanceOf", [addr]); assert.equal(data, "0x70a082310000000000000000000000008ba1f109551bd432803012645ac136ddd64dba72", "encoded"); const decoded = iface.decodeFunctionData("balanceOf", data); assert.equal(decoded.length, 1, "decoded.length"); assert.equal(decoded[0], addr, "decoded[0]"); const tx = iface.parseTransaction({ data, value: 10 }); assert.ok(tx != null, "tx == null"); assert.equal(tx.name, "balanceOf", "tx.balanceOf"); assert.equal(tx.signature, "balanceOf(address)", "tx.balanceOf"); assert.equal(tx.args.length, 1, "tx.args.length"); assert.equal(tx.args[0], addr, "tx.args[0]"); assert.equal(tx.selector, "0x70a08231", "tx.selector"); assert.equal(tx.value, BigInt(10), "tx.value"); const result = iface.encodeFunctionResult("balanceOf", [123]); assert.equal(result, "0x000000000000000000000000000000000000000000000000000000000000007b", "result"); const value = iface.decodeFunctionResult("balanceOf", result); assert.equal(value.length, 1, "result.length"); assert.equal(value[0], BigInt(123), "result.value[0]"); // @TODO: parseResult const filter = iface.encodeFilterTopics("Transfer", [addr, addr2]); assert.equal(filter.length, 3); assert.equal(filter[0], "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"); assert.equal(filter[1], "0x0000000000000000000000008ba1f109551bd432803012645ac136ddd64dba72"); assert.equal(filter[2], "0x000000000000000000000000ac1639cf97a3a46d431e6d1216f576622894cbb5"); const eventLog = iface.encodeEventLog("Transfer", [addr, addr2, 234]); assert.equal(eventLog.data, "0x00000000000000000000000000000000000000000000000000000000000000ea"); assert.deepEqual(eventLog.topics, [ "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef", "0x0000000000000000000000008ba1f109551bd432803012645ac136ddd64dba72", "0x000000000000000000000000ac1639cf97a3a46d431e6d1216f576622894cbb5" ]); const values = iface.decodeEventLog("Transfer", eventLog.data, eventLog.topics); assert.equal(values.length, 3); assert.equal(values[0], addr); assert.equal(values[1], addr2); assert.equal(values[2], BigInt(234)); const log = iface.parseLog(eventLog); assert.ok(log != null); assert.equal(log.name, "Transfer"); assert.equal(log.signature, "Transfer(address,address,uint256)"); assert.equal(log.topic, "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"); assert.equal(log.args.length, 3); assert.equal(log.args[0], "0x8ba1f109551bD432803012645Ac136ddd64DBA72"); assert.equal(log.args[1], "0xAC1639CF97a3A46D431e6d1216f576622894cBB5"); assert.equal(log.args[2], BigInt(234)); }); }); //# sourceMappingURL=test-abi.js.map