Function getApprovalDigest

test/shared/utilities.ts:52–80

(
  token: Contract,
  approve: {
    owner: string
    spender: string
    value: BigNumber
  },
  nonce: BigNumber,
  deadline: BigNumber
)

}

export async function getApprovalDigest(
  token: Contract,
  approve: {
    owner: string
    spender: string
    value: BigNumber
  },
  nonce: BigNumber,
  deadline: BigNumber
): Promise<string> {
  const name = await token.name()
  const DOMAIN_SEPARATOR = getDomainSeparator(name, token.address)
  return keccak256(
    solidityPack(
      ['bytes1', 'bytes1', 'bytes32', 'bytes32'],
      [
        '0x19',
        '0x01',
        DOMAIN_SEPARATOR,
        keccak256(
          defaultAbiCoder.encode(
            ['bytes32', 'address', 'address', 'uint256', 'uint256', 'uint256'],
            [PERMIT_TYPEHASH, approve.owner, approve.spender, approve.value, nonce, deadline]
          )
        )
      ]
    )
  )
}

export async function mineBlock(provider: Web3Provider, timestamp: number): Promise<void> {
  await new Promise(async (resolve, reject) => {