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Merge pull request #107 from ethereum/json_int_bound

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Verifies deposit_data.json amounts ∈ [1, 32] ETH
This commit is contained in:
Carl Beekhuizen 2020-09-21 20:25:36 +02:00 committed by GitHub
commit 7733be10f2
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2 changed files with 9 additions and 2 deletions
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6
eth2deposit/credentials.py
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@ -4,6 +4,7 @@ import json
from typing import Dict, List
from py_ecc.bls import G2ProofOfPossession as bls
from eth2deposit.exceptions import ValidationError
from eth2deposit.key_handling.key_derivation.path import mnemonic_and_path_to_key
from eth2deposit.key_handling.keystore import (
Keystore,
@ -11,6 +12,9 @@ from eth2deposit.key_handling.keystore import (
)
from eth2deposit.utils.constants import (
BLS_WITHDRAWAL_PREFIX,
ETH2GWEI,
MAX_DEPOSIT_AMOUNT,
MIN_DEPOSIT_AMOUNT,
)
from eth2deposit.utils.crypto import SHA256
from eth2deposit.utils.ssz import (
@ -57,6 +61,8 @@ class Credential:
@property
def deposit_message(self) -> DepositMessage:
if not MIN_DEPOSIT_AMOUNT <= self.amount <= MAX_DEPOSIT_AMOUNT:
raise ValidationError(f"{self.amount / ETH2GWEI} ETH deposits are not within the bounds of this cli.")
return DepositMessage(
pubkey=self.signing_pk,
withdrawal_credentials=self.withdrawal_credentials,

5
eth2deposit/utils/constants.py
View File

@ -7,8 +7,9 @@ ZERO_BYTES32 = b'\x00' * 32
DOMAIN_DEPOSIT = bytes.fromhex('03000000')
BLS_WITHDRAWAL_PREFIX = bytes.fromhex('00')
MIN_DEPOSIT_AMOUNT = 2 ** 0 * 10 ** 9
MAX_DEPOSIT_AMOUNT = 2 ** 5 * 10 ** 9
ETH2GWEI = 10 ** 9
MIN_DEPOSIT_AMOUNT = 2 ** 0 * ETH2GWEI
MAX_DEPOSIT_AMOUNT = 2 ** 5 * ETH2GWEI
# File/folder constants