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proto.eth.params: new max_data_len attr

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The MMGen Project 2026-09-06 10:08:41 +00:00
commit 8ebc9ac2de
Signed by: mmgen
GPG key ID: 3F8B1861E32B7DA2
2 changed files with 5 additions and 1 deletions
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1
mmgen/proto/eth/params.py
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@ -40,6 +40,7 @@ class mainnet(CoinProtocol.DummyWIF, CoinProtocol.Secp256k1):
address_reuse_ok = True
is_vm = True
is_evm = True
max_data_len = 1024 * 10 # arbitrary value (Token.bin is 3.24 kb)
# https://www.chainid.dev
chain_ids = {

5
mmgen/proto/eth/tx/new.py
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@ -36,7 +36,10 @@ class New(VmNew, Base, TxBase.New):
m = "'--contract-data' option may not be used with token transaction"
assert 'Token' not in self.name, m
with open(self.cfg.contract_data) as fp:
self.usr_contract_data = bytes.fromhex(fp.read().strip())
data = bytes.fromhex(fp.read().strip())
assert len(data) <= self.proto.max_data_len, (
f'{len(data)}: data length too large (>{self.proto.max_data_len})')
self.usr_contract_data = data
self.disable_fee_check = True
def process_data_output_arg(self, arg):