async def get_new_trie_with_proof_nodes(proof_nodes):
"""Return SubTrie created from proof_nodes."""
new_trie = SubTrie()
for node in proof_nodes:
R = rlp_encode(node)
H = sha3_256(R)
new_trie._subtrie[H] = R
return new_trie
def get_mpt_root(mpt):
if isinstance(mpt, bytes): return mpt
if isinstance(mpt, PatriciaTrieExtension):
assert isinstance(mpt.child, PatriciaTrieBranch)
# compress extension nodes whose child branch node has a single child
if len(mpt.child.children) == 1:
assert '' in mpt.child.children
pathlen = len(mpt.extension) % 2
if pathlen == 0:
x = [
bytes(bytearray.fromhex('20' + mpt.extension)),
mpt.child.children['']
]
print('x=', [e.hex() for e in x])
print(x, rlp.rlp_encode(x).hex())
return H(rlp.rlp_encode(x))
else:
x = [
bytes(bytearray.fromhex('3' + mpt.extension)),
mpt.child.children['']
]
print('x=', [e.hex() for e in x])
return H(rlp.rlp_encode(x))
else:
pathlen = len(mpt.extension) % 2
if pathlen == 0:
x = [
bytes(bytearray.fromhex('00' + mpt.extension)),
get_mpt_root(mpt.child)
]
print('x=', [e.hex() for e in x])
return H(rlp.rlp_encode(x))
else:
x = [
bytes(bytearray.fromhex('1' + mpt.extension)),
get_mpt_root(mpt.child)
]
print('x=', [e.hex() for e in x])
return H(rlp.rlp_encode(x))
elif isinstance(mpt, PatriciaTrieBranch):
indices = list('0123456789abcdef') + ['']
arr = [get_mpt_root(mpt.children.get(k, b'')) for k in indices]
print('arr=', [e.hex() for e in arr])
return H(rlp.rlp_encode(arr))
else:
print(type(mpt), mpt)
raise
def encode(self, data: Any) -> bytes:
packed = pack(data, self.wrapper)
return rlp_encode(packed)
sig = ethereum.sign_tx(
client,
n=address_n,
nonce=nonce,
gas_price=gas_price,
gas_limit=gas_limit,
to=to_address,
value=amount,
data=data,
chain_id=chain_id,
)
client.close()
to = bytes.fromhex(to_address[2:])
transaction = rlp_encode((nonce, gas_price, gas_limit, to, amount, data) + sig)
print(f'{{"hex": "0x{transaction.hex()}"}}')
"""
txn_id = 0xdcaf3eba690a3cdbad8c2926a8f5a95cd20003c5ba2aace91d8c5fe8048e395b
https://etherscan.io/getRawTx?tx=${txn_id}
# trezorctl ethereum sign-tx \
--chain-id 1 \
--address m/44'/60'/0'/0/0 \
--gas-limit 200000 \
--gas-price 5000000000 \
--nonce 11 \
--token 0xa74476443119A942dE498590Fe1f2454d7D4aC0d \
0xA6ABB480640d6D27D2FB314196D94463ceDcB31e 5000000000000000
def encode(self, data: Any) -> bytes:
packed = pack(data, self.wrapper)
# pretty_print(packed, 0) # Uncomment for debugging.
return rlp_encode(packed)
frontier_genesis = json.load(f)
# YP: yellow paper, appendix I
# print(block0['difficulty'] == frontier_genesis['difficulty']) # TODO. difficulty set to 2**17, YP
assert(block0['extraData'] == frontier_genesis['extraData']) # testnet block 1028201
assert(block0['gasLimit'] == frontier_genesis['gasLimit']) # ??
assert(block0['gasUsed'] == "0x0")
# hash
assert(set(block0['logsBloom']) == set(['0', 'x'])) # no txns
assert(block0['miner'] == frontier_genesis['coinbase'] == ('0x' + '0'*40))
# mixhash
assert(block0['nonce'] == '0x0000000000000042') # yp
assert(block0['number'] == '0x0') # 0th block
# parentHash
assert(block0['receiptsRoot'] == '0x' + keccak256(rlp.rlp_encode(b'')))
assert(block0['sha3Uncles'] == '0x' + keccak256(rlp.rlp_encode([])))
# size
# stateRoot !important
# timestamp
# totalDifficulty
assert(block0['transactions'] == [])
assert(block0['transactionsRoot'] == '0x' + keccak256(rlp.rlp_encode(b'')))
assert(block0['uncles'] == [])
EMPTY_STORAGEROOT = rlp.to_binary(0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421)
EMPTY_CODEHASH = rlp.to_binary(0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470)
for addr in frontier_genesis['alloc']:
balance = int(frontier_genesis['alloc'][addr]['balance'], 10)
print(keccak256(bytearray.fromhex(addr)), rlp.rlp_encode([