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Implement signer.authorize for EIP-7702 transactions #696

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fdaf95f
chore: upgrade ethers
turnekybc Jun 18, 2025
9123b36
chore: upgrade ethers and implement signer.authorize for EIP-7702 tra…
turnekybc Jun 20, 2025
5823bdf
chore: update types
turnekybc Jun 20, 2025
e2466bb
chore: update ethers dependencies
turnekybc Jun 20, 2025
a44cbea
chore: prettier
turnekybc Jun 20, 2025
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5 changes: 5 additions & 0 deletions .changeset/gold-glasses-reflect.md
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---
"@turnkey/ethers": minor
---

Implement signer.authorize for EIP-7702 transactions
2 changes: 1 addition & 1 deletion examples/deployer/package.json
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Expand Up @@ -12,7 +12,7 @@
"@turnkey/sdk-server": "workspace:*",
"@turnkey/ethers": "workspace:*",
"dotenv": "^16.0.3",
"ethers": "^6.10.0",
"ethers": "^6.14.4",
"solc": "0.8.13"
}
}
2 changes: 1 addition & 1 deletion examples/react-components/package.json
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Expand Up @@ -31,7 +31,7 @@
"eslint": "8.56.0",
"eslint-config-next": "14.2.25",
"esm": "^3.2.25",
"ethers": "^6.10.0",
"ethers": "^6.14.4",
"install": "^0.13.0",
"jwt-decode": "^4.0.0",
"next": "^14.2.25",
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2 changes: 1 addition & 1 deletion examples/rebalancer/package.json
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Expand Up @@ -12,6 +12,6 @@
"@turnkey/ethers": "workspace:*",
"@turnkey/sdk-server": "workspace:*",
"dotenv": "^16.0.3",
"ethers": "^6.10.0"
"ethers": "^6.14.4"
}
}
2 changes: 1 addition & 1 deletion examples/sweeper/package.json
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Expand Up @@ -12,7 +12,7 @@
"@turnkey/ethers": "workspace:*",
"@uniswap/sdk-core": "^3.1.1",
"dotenv": "^16.0.3",
"ethers": "^6.10.0",
"ethers": "^6.14.4",
"hardhat": "^2.12.7",
"prompts": "^2.4.2"
},
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2 changes: 1 addition & 1 deletion examples/trading-runner/package.json
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Expand Up @@ -15,7 +15,7 @@
"@uniswap/v3-core": "^1.0.1",
"@uniswap/v3-sdk": "^3.9.0",
"dotenv": "^16.0.3",
"ethers": "^6.10.0",
"ethers": "^6.14.4",
"jsbi": "^3.2.5",
"prompts": "^2.4.2"
},
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2 changes: 1 addition & 1 deletion examples/with-biconomy-aa/package.json
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Expand Up @@ -17,7 +17,7 @@
"@turnkey/sdk-server": "workspace:*",
"@turnkey/viem": "workspace:*",
"dotenv": "^16.0.3",
"ethers": "^6.10.0",
"ethers": "^6.14.4",
"prompts": "^2.4.2",
"viem": "^2.24.2"
},
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2 changes: 1 addition & 1 deletion examples/with-eth-passkeys-galore/package.json
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Expand Up @@ -27,7 +27,7 @@
"@types/react-dom": "18.2.6",
"axios": "^1.8.2",
"encoding": "^0.1.13",
"ethers": "^6.10.0",
"ethers": "^6.14.4",
"eslint": "8.56.0",
"eslint-config-next": "14.2.25",
"esm": "^3.2.25",
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2 changes: 1 addition & 1 deletion examples/with-ethers/package.json
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Expand Up @@ -15,7 +15,7 @@
"@turnkey/http": "workspace:*",
"@turnkey/sdk-server": "workspace:*",
"dotenv": "^16.0.3",
"ethers": "^6.10.0",
"ethers": "^6.14.4",
"prompts": "^2.4.2"
},
"devDependencies": {
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2 changes: 1 addition & 1 deletion examples/with-gnosis/package.json
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Expand Up @@ -13,7 +13,7 @@
"@turnkey/sdk-server": "workspace:*",
"@turnkey/ethers": "workspace:*",
"dotenv": "^16.0.3",
"ethers": "^6.10.0"
"ethers": "^6.14.4"
},
"overrides": {
"@safe-global/protocol-kit": {
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2 changes: 1 addition & 1 deletion examples/with-nonce-manager/package.json
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Expand Up @@ -12,6 +12,6 @@
"@turnkey/sdk-server": "workspace:*",
"@turnkey/ethers": "workspace:*",
"dotenv": "^16.0.3",
"ethers": "^6.10.0"
"ethers": "^6.14.4"
}
}
2 changes: 1 addition & 1 deletion examples/with-uniswap/package.json
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Expand Up @@ -14,7 +14,7 @@
"@uniswap/v3-core": "^1.0.1",
"@uniswap/v3-sdk": "^3.9.0",
"dotenv": "^16.0.3",
"ethers": "^6.10.0",
"ethers": "^6.14.4",
"hardhat": "^2.12.7",
"jsbi": "^3.2.5"
},
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2 changes: 1 addition & 1 deletion examples/with-zerodev-aa/package.json
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Expand Up @@ -15,7 +15,7 @@
"@zerodev/ecdsa-validator": "^5.4.8",
"@zerodev/sdk": "^5.4.32",
"dotenv": "^16.0.3",
"ethers": "^6.10.0",
"ethers": "^6.14.4",
"permissionless": "^0.1.45",
"prompts": "^2.4.2",
"typescript": "5.4.3",
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10 changes: 5 additions & 5 deletions packages/ethers/package.json
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Expand Up @@ -50,7 +50,7 @@
"typecheck": "tsc -p tsconfig.typecheck.json"
},
"peerDependencies": {
"ethers": "^6.10.0"
"ethers": "^6.14.4"
},
"dependencies": {
"@turnkey/api-key-stamper": "workspace:*",
Expand All @@ -59,13 +59,13 @@
"@turnkey/sdk-server": "workspace:*"
},
"devDependencies": {
"@nomicfoundation/hardhat-ethers": "3.0.5",
"@nomicfoundation/hardhat-network-helpers": "^1.0.8",
"@nomicfoundation/hardhat-ethers": "3.0.9",
"@nomicfoundation/hardhat-network-helpers": "^1.0.12",
"@openzeppelin/contracts": "^4.9.0",
"@typechain/ethers-v6": "^0.5.1",
"@typechain/hardhat": "^9.1.0",
"ethers": "^6.10.0",
"hardhat": "^2.19.4",
"ethers": "^6.14.4",
"hardhat": "^2.24.3",
"typechain": "^8.3.2"
},
"engines": {
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208 changes: 207 additions & 1 deletion packages/ethers/src/__tests__/index-test.ts
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import { setBalance } from "@nomicfoundation/hardhat-network-helpers";
import { parseEther, verifyMessage, verifyTypedData } from "ethers";
import { ethers, parseEther, verifyMessage, verifyTypedData } from "ethers";
import hre from "hardhat";
import { test, expect, beforeEach, describe } from "@jest/globals";
import { TurnkeySigner, TurnkeyActivityError } from "../";
Expand All @@ -18,6 +18,14 @@ const testCase: typeof test = (...argList) => {
return test(...argList);
};

// Custom type for EIP-7702 compliance
export interface EIP7702AuthorizationRequest {
address: string;
chainId: number | bigint | string;
nonce: number | bigint | string;
code?: string; // EIP-7702 requires code field
}

describe("TurnkeySigner", () => {
let connectedSigner: TurnkeySigner;
let signerWithProvider: TurnkeySigner;
Expand Down Expand Up @@ -345,6 +353,204 @@ describe("TurnkeySigner", () => {
expect(approveTx.from).toEqual(signingConfig.expectedEthAddress);
expect(approveTx.to).toEqual(deploymentAddress);
});
// testCase("it signs authorization (EIP-712 permit style)", async () => {
// // Define the EIP-712 domain for EIP-7702
// const domain = {
// name: "EIP7702Authorization",
// version: "1",
// chainId: chainId,
// verifyingContract: "0x0000000000000000000000000000000000000000",
// };

// // Define the EIP-7702 AuthorizationRequest
// const authRequest: ethers.AuthorizationRequest = {
// address: signingConfig.expectedEthAddress,
// chainId: chainId,
// nonce: 0,
// };

// try {
// // Sign the authorization
Comment on lines +356 to +373
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Copilot AI Jun 20, 2025

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[nitpick] There’s a large block of commented-out test code above the real EIP-7702 test; remove it to keep the test file clean and focused.

Suggested change
// testCase("it signs authorization (EIP-712 permit style)", async () => {
// // Define the EIP-712 domain for EIP-7702
// const domain = {
// name: "EIP7702Authorization",
// version: "1",
// chainId: chainId,
// verifyingContract: "0x0000000000000000000000000000000000000000",
// };
// // Define the EIP-7702 AuthorizationRequest
// const authRequest: ethers.AuthorizationRequest = {
// address: signingConfig.expectedEthAddress,
// chainId: chainId,
// nonce: 0,
// };
// try {
// // Sign the authorization

Copilot uses AI. Check for mistakes.
// const signatureAuthorization =
// await connectedSigner.signAuthorization(authRequest);

// // Log for debugging
// console.log(
// "Signature Authorization:",
// JSON.stringify(
// signatureAuthorization,
// (key, value) => {
// if (typeof value === "bigint") return value.toString();
// return value;
// },
// 2
// )
// );
// console.log(
// "Expected Signer Address:",
// signingConfig.expectedEthAddress
// );

// // Extract signature components
// const { r, s, v } = signatureAuthorization.signature;
// expect(r).toMatch(/^0x/);
// expect(s).toMatch(/^0x/);
// expect(v).toBeGreaterThanOrEqual(27);
// expect(v).toBeLessThanOrEqual(28);

// // Get serialized signature
// const signatureToVerify = ethers.Signature.from(
// signatureAuthorization.signature
// ).serialized;
// expect(signatureToVerify).toMatch(/^0x/);

// // Define EIP-712 types
// const types = {
// Authorization: [
// { name: "contract", type: "address" },
// { name: "chainId", type: "uint256" },
// { name: "nonce", type: "uint256" },
// ],
// };

// // Define EIP-712 message
// const message = {
// contract: authRequest.address,
// chainId: authRequest.chainId,
// nonce: authRequest.nonce,
// };

// // Verify the signature
// const recoveredAddress = verifyTypedData(
// domain,
// types,
// message,
// signatureToVerify
// );
// console.log("Recovered Address (Test):", recoveredAddress);
// expect(recoveredAddress).toEqual(signingConfig.expectedEthAddress);

// // Verify the authorization object
// expect(signatureAuthorization.address).toEqual(
// signingConfig.expectedEthAddress
// );
// expect(signatureAuthorization.chainId).toEqual(chainId);
// expect(signatureAuthorization.nonce).toEqual(BigInt(0));
// } catch (error) {
// console.error(
// "Error:",
// JSON.stringify(
// {
// name: error instanceof Error ? error.name : "Unknown",
// message: error instanceof Error ? error.message : String(error),
// cause:
// error instanceof TurnkeyActivityError
// ? error.cause
// : undefined,
// stack: error instanceof Error ? error.stack : undefined,
// },
// (key, value) => {
// if (typeof value === "bigint") return value.toString();
// return value;
// },
// 2
// )
// );
// throw error; // Re-throw to inspect
// }
// });
testCase("it signs EIP-7702 authorization", async () => {
// Define the EIP-712 domain for EIP-7702
const domain = {
name: "EIP7702Authorization",
version: "1",
chainId: chainId,
verifyingContract: "0x0000000000000000000000000000000000000000",
};

// Define the EIP-7702 AuthorizationRequest
const authRequest: EIP7702AuthorizationRequest = {
address: signingConfig.expectedEthAddress,
chainId: chainId,
nonce: 0,
code: "0x1234", // Example bytecode
};

try {
// Sign the authorization
const signatureAuthorization =
await connectedSigner.signAuthorization(authRequest);

// Extract signature components
const { r, s, v } = signatureAuthorization.signature;
expect(r).toMatch(/^0x/);
expect(s).toMatch(/^0x/);
expect(v).toBeGreaterThanOrEqual(27);
expect(v).toBeLessThanOrEqual(28);

// Get serialized signature
const signatureToVerify = ethers.Signature.from(
signatureAuthorization.signature,
).serialized;
expect(signatureToVerify).toMatch(/^0x/);

// Define EIP-712 types
const types = {
Authorization: [
{ name: "contract", type: "address" },
{ name: "chainId", type: "uint256" },
{ name: "nonce", type: "uint256" },
{ name: "code", type: "bytes" },
],
};

// Define EIP-712 message
const message = {
contract: authRequest.address,
chainId: authRequest.chainId,
nonce: authRequest.nonce,
code: authRequest.code || "0x",
};

// Verify the signature
const recoveredAddress = verifyTypedData(
domain,
types,
message,
signatureToVerify,
);

expect(recoveredAddress).toEqual(signingConfig.expectedEthAddress);

// Verify the authorization object
expect(signatureAuthorization.address).toEqual(
signingConfig.expectedEthAddress,
);
expect(signatureAuthorization.chainId).toEqual(chainId);
expect(signatureAuthorization.nonce).toEqual(BigInt(0));
} catch (error) {
console.error(
"Error:",
JSON.stringify(
{
name: error instanceof Error ? error.name : "Unknown",
message: error instanceof Error ? error.message : String(error),
cause:
error instanceof TurnkeyActivityError
? String(error.cause)
: undefined,
stack: error instanceof Error ? error.stack : undefined,
},
(_, value) => {
if (typeof value === "bigint") return value.toString();
return value;
},
2,
),
);
throw error;
}
});
});
});
});
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