Function: _depositToVault(uint256 id, uint256 amount, address inputToken, address vaultAddress)

Deposits ERC-20 or ETH to the vault.

Inputs

• id

  • Constraints: Should be the correct epoch ID for the Y2K vault.

  • Impact: The epoch ID for the Y2K vault.

• amount

  • Constraints: No constraints.

  • Impact: The amount of the token to deposit.

• inputToken

  • Constraints: No constraints.

  • Impact: The address of the token to deposit.

• vaultAddress

  • Constraints: Should be a valid vault address.

  • Impact: The address of the vault to deposit to.

Branches and code coverage (including function calls)

Intended branches

• The function checks if inputToken is equal to sgEth to determine if an ETH or ERC-20 deposit is needed.

  Test coverage

• The function returns true if the deposit is successful and false if it fails.

  Test coverage

Negative behavior

• The function returns false if any of the deposit attempts (ETH or ERC-20) fail.

  Negative test

Function call analysis

• IEarthquake(vaultAddress).depositETH{value: amount}(id, address(this))

  • What is controllable? id, amount, vaultAddress.

  • If return value controllable, how is it used and how can it go wrong? This function call does not return a value --- only success/failure.

  • What happens if it reverts, reenters, or does other unusual control flow? If the deposit of ETH fails, the function would return false.

• IEarthquake(vaultAddress).deposit(id, amount, address(this))

  • What is controllable? id, amount, and vaultAddress.

  • If return value controllable, how is it used and how can it go wrong? This function call does not return a value --- only success/failure.

  • What happens if it reverts, reenters, or does other unusual control flow? If the deposit of ERC-20 tokens fails, the function would return false.