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[SC-1426] Add permit2address method and patch permit2Contract method with chainId #178

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Merged
merged 2 commits into from
Feb 3, 2025
Merged

[SC-1426] Add permit2address method and patch permit2Contract method with chainId #178

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3ba3abd
Add permit2address method and patch permit2Contract method with chainId
zZoMROT Jan 27, 2025
d33069b
Fix linter
zZoMROT Jan 27, 2025
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28 changes: 24 additions & 4 deletions src/permit.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ import { DaiLikePermitMock, ERC20Permit, USDCLikePermitMock } from '../typechain
export const TypedDataVersion = SignTypedDataVersion.V4;
export const defaultDeadline = constants.MAX_UINT256;
export const defaultDeadlinePermit2 = constants.MAX_UINT48;
export const PERMIT2_ADDRESS_ZKSYNC = '0x0000000000225e31D15943971F47aD3022F714Fa';

export const EIP712Domain = [
{ name: 'name', type: 'string' },
Expand Down Expand Up @@ -144,16 +145,35 @@ export function buildDataLikeDai(
} as const;
}

/**
* @category permit
* Returns the Permit2 contract address for the specified chain.
* @param chainId The ID of the blockchain network (optional).
* @return The corresponding Permit2 address.
*/
export function permit2Address(chainId?: number): string {
switch (chainId) {
case 324: // zksync mainnet
case 300: // zksync testnet
case 260: // zksync fork network
return PERMIT2_ADDRESS_ZKSYNC;
default:
return PERMIT2_ADDRESS;
}
}

/**
* @category permit
* Ensures contract code is set for a given address and returns a contract instance.
* @param chainId The ID of the blockchain network (optional).
* @return The contract instance of IPermit2.
*/
export async function permit2Contract() {
if ((await ethers.provider.getCode(PERMIT2_ADDRESS)) === '0x') {
await ethers.provider.send('hardhat_setCode', [PERMIT2_ADDRESS, permit2Bytecode]);
export async function permit2Contract(chainId?: number) {
const permit2addr = permit2Address(chainId);
if ((await ethers.provider.getCode(permit2addr)) === '0x') {
await ethers.provider.send('hardhat_setCode', [permit2addr, permit2Bytecode]);
}
return ethers.getContractAt('IPermit2', PERMIT2_ADDRESS);
return ethers.getContractAt('IPermit2', permit2addr);
}

/**
Expand Down
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