import { TypedDataUtils } from "eth-sig-util"; import { AbstractAbiTest, AbiType } from "./abi-test"; import { saveTests, TestCase } from "./test"; function fill(testcase: Partial): TestCase.Eip712 { const domainType: Array<{ name: string, type:string }> = []; if (testcase.domain.name != null) { domainType.push({ name: "name", type: "string" }); } if (testcase.domain.version != null) { domainType.push({ name: "version", type: "string" }); } if (testcase.domain.chainId != null) { domainType.push({ name: "chainId", type: "uint256" }); } if (testcase.domain.verifyingContract != null) { domainType.push({ name: "verifyingContract", type: "address" }); } if (testcase.domain.salt != null) { domainType.push({ name: "salt", type: "bytes32" }); } const typesWithDomain: Record> = { EIP712Domain: domainType }; for (const key in testcase.types) { typesWithDomain[key] = testcase.types[key]; } testcase.encoded = "0x" + TypedDataUtils.encodeData(testcase.primaryType, testcase.data, testcase.types).toString("hex"); testcase.digest = "0x" + TypedDataUtils.sign({ types: typesWithDomain, domain: testcase.domain, primaryType: testcase.primaryType, message: testcase.data }, true).toString("hex"); return testcase; } export class Eip712Test extends AbstractAbiTest { generateTest(): TestCase.Eip712 { const type = this.randomType("tuple"); const types: Record> = { }; function spelunk(type: AbiType): void { if (type.struct) { types[type.struct.split("[")[0]] = type.components.map((t) => { spelunk(t); return { name: t.name, type: (t.struct || t.type) }; });; } } spelunk(type); const primaryType = type.struct; const data = type.create(); const domain: any = { }; if (this.randomChoice([ false, true])) { domain.name = this.randomString(1, 64); } if (this.randomChoice([ false, true])) { domain.version = [ this.randomInteger(0, 50), this.randomInteger(0, 50), this.randomInteger(0, 50), ].join("."); } if (this.randomChoice([ false, true])) { domain.chainId = this.randomInteger(0, 1337); } if (this.randomChoice([ false, true])) { domain.verifyingContract = this.randomAddress(); } if (this.randomChoice([ false, true])) { domain.salt = this.randomHexString(32); } return fill({ domain, type: type.type, seed: this.seed, primaryType, types, data }); } } if (require.main === module) { const tests: Array = [ ]; for (let i = 0; i < 1024; i++) { const test = new Eip712Test(String(i)); tests.push(test.generateTest()); } tests.sort((a, b) => (a.type.length - b.type.length)); tests.forEach((t, i) => { t.name = `random-${ i }`; }); tests.push({ name: "EIP712 example", domain: { name: 'Ether Mail', version: '1', chainId: 1, verifyingContract: '0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC' }, primaryType: "Mail", types: { Person: [ { name: 'name', type: 'string' }, { name: 'wallet', type: 'address' } ], Mail: [ { name: 'from', type: 'Person' }, { name: 'to', type: 'Person' }, { name: 'contents', type: 'string' } ] }, data: { from: { name: 'Cow', wallet: '0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826' }, to: { name: 'Bob', wallet: '0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB' }, contents: 'Hello, Bob!' }, encoded: "0xa0cedeb2dc280ba39b857546d74f5549c3a1d7bdc2dd96bf881f76108e23dac2fc71e5fa27ff56c350aa531bc129ebdf613b772b6604664f5d8dbe21b85eb0c8cd54f074a4af31b4411ff6a60c9719dbd559c221c8ac3492d9d872b041d703d1b5aadf3154a261abdd9086fc627b61efca26ae5702701d05cd2305f7c52a2fc8", digest: "0xbe609aee343fb3c4b28e1df9e632fca64fcfaede20f02e86244efddf30957bd2", privateKey: "0xc85ef7d79691fe79573b1a7064c19c1a9819ebdbd1faaab1a8ec92344438aaf4", signature: "0x4355c47d63924e8a72e509b65029052eb6c299d53a04e167c5775fd466751c9d07299936d304c153f6443dfa05f40ff007d72911b6f72307f996231605b915621c" }); saveTests("eip712", tests); }