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Added min and max deposit sizes to Vyper contract

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vbuterin 2018-11-27 10:07:21 -05:00 committed by GitHub
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5
specs/core/0_beacon-chain.md
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@ -586,6 +586,7 @@ The beacon chain is initialized when a condition is met inside a contract on the
```python
DEPOSITS_FOR_CHAIN_START: constant(uint256) = 2**14
DEPOSIT_SIZE: constant(wei_value) = 32
MIN_TOPUP_SIZE: constant(wei_value) = 1
GWEI_PER_ETH: constant(uint256) = 10**9
POW_CONTRACT_MERKLE_TREE_DEPTH: constant(uint256) = 32
SECONDS_PER_DAY: constant(uint256) = 86400
@ -611,7 +612,9 @@ def deposit(deposit_params: bytes[2048]):
index /= 2
self.receipt_tree[index] = sha3(concat(self.receipt_tree[index * 2], self.receipt_tree[index * 2 + 1]))
if msg.value >= as_wei_value(DEPOSIT_SIZE, "ether"):
assert msg.value >= as_wei_value(MIN_TOPUP_SIZE, "ether")
assert msg.value <= as_wei_value(DEPOSIT_SIZE, "ether")
if msg.value == as_wei_value(DEPOSIT_SIZE, "ether"):
self.total_deposit_count += 1
if self.total_deposit_count == DEPOSITS_FOR_CHAIN_START:
timestamp_day_boundary: uint256 = as_unitless_number(block.timestamp) - as_unitless_number(block.timestamp) % SECONDS_PER_DAY + SECONDS_PER_DAY