Added efficiency improvement (two fewer expected SSTOREs per deposit)
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722e201109
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@ -653,7 +653,7 @@ DEPOSIT_CONTRACT_TREE_DEPTH: constant(uint256) = 32
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TWO_TO_POWER_OF_TREE_DEPTH: constant(uint256) = 4294967296 # 2**32
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SECONDS_PER_DAY: constant(uint256) = 86400
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Deposit: event({previous_deposit_root: bytes32, data: bytes[2064], merkle_tree_index: bytes[8]})
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Deposit: event({previous_deposit_root: bytes32, data: bytes[2064], merkle_tree_index: bytes[8], branch: bytes32[32]})
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ChainStart: event({deposit_root: bytes32, time: bytes[8]})
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zerohashes: bytes32[32]
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@ -676,7 +676,7 @@ def get_deposit_root() -> bytes32:
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if size % 2 == 1:
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root = sha3(concat(self.branch[h], root))
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else:
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root = sha3(concat(root, self.branch[h]))
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root = sha3(concat(root, self.zerohashes[h]))
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size /= 2
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return root
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@ -704,12 +704,11 @@ def deposit(deposit_input: bytes[2048]):
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for j in range(32):
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if j < i:
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value = sha3(concat(self.branch[j], value))
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self.branch[j] = self.zerohashes[j]
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self.branch[i] = value
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self.deposit_count += 1
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log.Deposit(self.get_deposit_root(), deposit_data, merkle_tree_index)
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log.Deposit(self.get_deposit_root(), deposit_data, merkle_tree_index, self.branch)
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if msg.value == as_wei_value(MAX_DEPOSIT_AMOUNT, "gwei"):
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self.full_deposit_count += 1
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