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我已经成功地在 MEW 上部署了一个用 vyper 编写的智能合约（来源如下）。当我尝试向合约发送资金时，交易被撤销。我已经尝试尽可能简化代码，但它仍然被挂断。我在想我的 assert 调用把它绊倒了，所以我也删除了它们，但仍然遇到了问题。最后，我尝试了一个超级简单的“Hello World”合约，并且在部署后也恢复了。我在这一点上不知所措。任何人都知道为什么我会收到还原错误？

struct Funder:
  sender: address
  value: wei_value

funders: map(int128, Funder)
nextFunderIndex: int128
beneficiary: address
prizeAcc: address
deadline: public(timestamp)
refundIndex: int128
timelimit: public(timedelta)

@public
def __init__(_beneficiary: address, _prizeAcc: address, _timelimit: timedelta):
    self.beneficiary = _beneficiary
    self.prizeAcc = _prizeAcc
    self.timelimit = _timelimit
    self.deadline = block.timestamp +_timelimit

# Participate in this crowdfunding campaign
@public
@payable
def participate():
    assert block.timestamp < self.deadline, "Participation deadline has passed"
    assert msg.value == 10**16, 'Must send exactly 0.01 ETH to participate'
    # place funder's info in to struct (address & contributed amt)
    nfi: int128 = self.nextFunderIndex
    self.funders[nfi] = Funder({sender: msg.sender, value: msg.value})
    self.nextFunderIndex = nfi + 1
    send(self.prizeAcc, 5*10**15)

# deadline passed Send funds to the beneficiary
@public
def finalize():
    assert block.timestamp >= self.deadline, "deadline has passed"
    # this conditions must be met to finalize
    selfdestruct(self.prizeAcc)
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