vault.bbo

// Based on http://www.blunderingcode.com/ether-vaults/

contract Vault(address hotwallet, address vaultKey, address recoveryKey) {
  case(void unvault(uint256 amount)) {
    if (sender(msg) != vaultKey) abort;
    uint256 unvaultPeriod = 60 * 60 * 24 * 7 * 2; // two weeks
    if (now(block) + unvaultPeriod < now(block)) abort;
    return then become UnVaulting(now(block) + unvaultPeriod, amount, hotwallet, vaultKey, recoveryKey);
  }
  case(void recover(address _newHotWallet)) {
    if (sender(msg) != recoveryKey) abort;
    return then become Vault(_newHotWallet, vaultKey, recoveryKey);
  }
  case(void destroy()) {
    if (sender(msg) != recoveryKey) abort;
    return then become Destroyed();
  }
}

contract UnVaulting(uint256 redeemtime, uint256 amount, address hotwallet, address vaultKey, address recoveryKey) {
  case(void redeem()) {
    if (amount > balance(this)) abort;
    void = hotwallet.default() with amount reentrance { abort; };
    return then become Vault(hotwallet, vaultKey, recoveryKey);
  }
  case(void recover(address _newHotWallet)) {
    if (sender(msg) != recoveryKey) abort;
    return then become Vault(_newHotWallet, vaultKey, recoveryKey);
  }
  case(void destroy()) {
    if (sender(msg) != recoveryKey) abort;
    return then become Destroyed();
  }
}

contract Destroyed() {
  // any call just throws;
}