def farm_new_block(previous_header: HeaderHash, previous_signature: Signature,
block_index: int, proof_of_space: ProofOfSpace,
spend_bundle: SpendBundle, coinbase_coin: Coin,
coinbase_signature: BLSSignature,
fees_puzzle_hash: ProgramHash, timestamp: uint64):
"""
Steps:
- collect up a consistent set of removals and solutions
- run solutions to get the additions
- select a timestamp = max(now, minimum_legal_timestamp)
- create blank extension data
- collect up coinbase coin with coinbase signature (if solo mining, we get these locally)
- return Header, Body
"""
program_cost = 0
assert validate_spend_bundle_signature(spend_bundle)
solution_program = best_solution_program(spend_bundle)
extension_data = std_hash(b'')
block_index_hash = block_index.to_bytes(32, "big")
fees_coin = Coin(block_index_hash, fees_puzzle_hash, spend_bundle.fees())
body = Body(coinbase_signature, coinbase_coin, fees_coin, solution_program,
program_cost, spend_bundle.aggregated_signature)
header = Header(previous_header, previous_signature, timestamp,
proof_of_space, body, extension_data)
return header, body
def test_1():
puzzle_program_0 = puzzle_program_for_index(0)
puzzle_program_1 = puzzle_program_for_index(1)
puzzle_program_2 = puzzle_program_for_index(2)
conditions = [make_create_coin_condition(std_hash(bytes(pp)), amount) for pp, amount in [
(puzzle_program_1, 1000), (puzzle_program_2, 2000),
]]
puzzle_hash_solution = p2_delegated_puzzle.solution_for_conditions(puzzle_program_0, conditions)
output_conditions = conditions_for_solution(puzzle_hash_solution)
from pprint import pprint
output_conditions_dict = conditions_by_opcode(output_conditions)
pprint(output_conditions_dict)
input_coin_info_hash = bytes([0] * 32)
additions = created_outputs_for_conditions_dict(output_conditions_dict, input_coin_info_hash)
print(additions)
assert len(additions) == 2
def farm_block(previous_header, previous_signature, block_number,
proof_of_space, spend_bundle, coinbase_puzzle_hash, reward):
fees_puzzle_hash = puzzle_hash_for_index(3)
coinbase_coin, coinbase_signature = create_coinbase_coin_and_signature(
block_number, coinbase_puzzle_hash, reward,
proof_of_space.pool_public_key)
timestamp = int(1e10) + 300 * block_number
header, body = farm_new_block(previous_header, previous_signature,
block_number, proof_of_space, spend_bundle,
coinbase_coin, coinbase_signature,
fees_puzzle_hash, timestamp)
header_signature = sign_header(header, proof_of_space.plot_public_key)
bad_bls_public_key = BLSPublicKey.from_bytes(public_key_bytes_for_index(9))
bad_eor_public_key = EORPrivateKey(std_hash(bytes([5]))).public_key()
hkp = header_signature.aggsig_pair(proof_of_space.plot_public_key,
HeaderHash(header))
_ = header_signature.validate([hkp])
assert _
hkp = header_signature.aggsig_pair(bad_eor_public_key, HeaderHash(header))
assert not header_signature.validate([hkp])
hkp = body.coinbase_signature.aggsig_pair(proof_of_space.pool_public_key,
body.coinbase_coin.name())
assert body.coinbase_signature.validate([hkp])
hkp = body.coinbase_signature.aggsig_pair(bad_bls_public_key,
body.coinbase_coin.name())
assert not body.coinbase_signature.validate([hkp])
return header, header_signature, body
async def client_test(path):
remote = await proxy_for_unix_connection(path)
# test preimage API failure case
_ = await remote.hash_preimage(hash=b'0' * 32)
assert _ is None
# farm a block
coinbase_puzzle_hash = puzzle_hash_for_index(1)
fees_puzzle_hash = puzzle_hash_for_index(6)
r = await remote.next_block(coinbase_puzzle_hash=coinbase_puzzle_hash,
fees_puzzle_hash=fees_puzzle_hash)
header = r.get("header")
body = r.get("body")
for _ in [header, body]:
hh = std_hash(_)
r1 = await remote.hash_preimage(hash=hh)
assert r1 == bytes(_)
coinbase_coin = body.coinbase_coin
r = await remote.all_unspents()
print("unspents = %s" % r.get("unspents"))
# add a SpendBundle
conditions = standard_conditions()
spend_bundle = spend_coin(coinbase_coin, conditions, 1)
# break the signature
if 0:
sig = spend_bundle.aggregated_signature.sig
sig = sig[:-1] + bytes([0])
spend_bundle = spend_bundle.__class__(spend_bundle.coin_solutions, sig)
_ = await remote.push_tx(tx=spend_bundle)
print(_)
my_new_coins = spend_bundle.additions()
coinbase_puzzle_hash = puzzle_hash_for_index(2)
# farm another block, locking in the spend
r = await remote.next_block(coinbase_puzzle_hash=coinbase_puzzle_hash,
fees_puzzle_hash=fees_puzzle_hash)
header = r.get("header")
body = r.get("body")
for _ in [header, body]:
hh = std_hash(_)
r1 = await remote.hash_preimage(hash=hh)
assert r1 == bytes(_)
print(header)
print(body)
my_new_coins_2 = tuple(additions_for_body(body))
assert my_new_coins == my_new_coins_2[2:]
# ensure we spent the coin
removals = removals_for_body(body)
assert len(removals) == 1
expected_coin_id = 'dfef63a0c650fb6121f1ecc2e031a46ee4f7d933aaf7b583dfdcd6cd0ba52fdd'
assert repr(removals[0]) == f'<CoinPointer: {expected_coin_id}>'
# add a SpendBundle
input_coin = my_new_coins[0]
conditions = standard_conditions()
spend_bundle = spend_coin(coin=input_coin, conditions=conditions, index=0)
_ = await remote.push_tx(tx=spend_bundle)
import pprint
pprint.pprint(_)
assert repr(_).startswith("RemoteError")
r = await remote.next_block(coinbase_puzzle_hash=coinbase_puzzle_hash,
fees_puzzle_hash=fees_puzzle_hash)
header = r.get("header")
body = r.get("body")
print(header)
print(body)
for _ in [header, body]:
hh = std_hash(_)
r1 = await remote.hash_preimage(hash=hh)
assert r1 == bytes(_)
r = await remote.all_unspents()
print("unspents = %s" % r.get("unspents"))
r = await remote.get_tip()
print(r)
header_hash = r["tip_hash"]
header = await header_hash.obj(remote)
assert r["tip_index"] == 3
assert r["genesis_hash"] == bytes([0] * 32)
# a bad SpendBundle
input_coin = my_new_coins[1]
spend_bundle = spend_coin(input_coin, [], 2)
_ = await remote.push_tx(tx=spend_bundle)
expected_program_id = "3b8f716b029bc6c658e73ac071a4ed8da2d73b8f4181db37cf1c40527bb27835"
assert str(_) == ("exception: (<Err.WRONG_PUZZLE_HASH: 8>, "
"Coin(parent_coin_info=<CoinPointer: "
f"{expected_coin_id}>,"
f" puzzle_hash=<ProgramPointer: {expected_program_id}>, "
"amount=2000))")
async def client_test(path):
remote = await proxy_for_unix_connection(path)
# test preimage API failure case
_ = await remote.hash_preimage(hash=b'0' * 32)
assert _ is None
# farm a block
coinbase_puzzle_hash = puzzle_hash_for_index(1)
fees_puzzle_hash = puzzle_hash_for_index(6)
r = await remote.next_block(coinbase_puzzle_hash=coinbase_puzzle_hash,
fees_puzzle_hash=fees_puzzle_hash)
header = r.get("header")
body = r.get("body")
for _ in [header, body]:
hh = std_hash(_)
r1 = await remote.hash_preimage(hash=hh)
assert r1 == bytes(_)
coinbase_coin = body.coinbase_coin
r = await remote.all_unspents()
print("unspents = %s" % r.get("unspents"))
# add a SpendBundle
conditions = standard_conditions()
spend_bundle = spend_coin(coinbase_coin, conditions, 1)
# break the signature
if 0:
sig = spend_bundle.aggregated_signature.sig
sig = sig[:-1] + bytes([0])
spend_bundle = spend_bundle.__class__(spend_bundle.coin_solutions, sig)
_ = await remote.push_tx(tx=spend_bundle)
print(_)
my_new_coins = spend_bundle.additions()
coinbase_puzzle_hash = puzzle_hash_for_index(2)
# farm another block, locking in the spend
r = await remote.next_block(coinbase_puzzle_hash=coinbase_puzzle_hash,
fees_puzzle_hash=fees_puzzle_hash)
header = r.get("header")
body = r.get("body")
for _ in [header, body]:
hh = std_hash(_)
r1 = await remote.hash_preimage(hash=hh)
assert r1 == bytes(_)
print(header)
print(body)
my_new_coins_2 = tuple(additions_for_body(body))
assert my_new_coins == my_new_coins_2[2:]
# ensure we spent the coin
removals = removals_for_body(body)
assert len(removals) == 1
expected_coin_id = '67476d53f3ce4a19d7bdf5f73c524477ab1721ce68e1eccd76982f226c26e9fa'
assert repr(removals[0]) == f'<CoinPointer: {expected_coin_id}>'
# add a SpendBundle
input_coin = my_new_coins[0]
conditions = standard_conditions()
spend_bundle = spend_coin(coin=input_coin, conditions=conditions, index=0)
_ = await remote.push_tx(tx=spend_bundle)
import pprint
pprint.pprint(_)
assert repr(_).startswith("RemoteError")
r = await remote.next_block(coinbase_puzzle_hash=coinbase_puzzle_hash,
fees_puzzle_hash=fees_puzzle_hash)
header = r.get("header")
body = r.get("body")
print(header)
print(body)
for _ in [header, body]:
hh = std_hash(_)
r1 = await remote.hash_preimage(hash=hh)
assert r1 == bytes(_)
r = await remote.all_unspents()
print("unspents = %s" % r.get("unspents"))
r = await remote.get_tip()
print(r)
header_hash = r["tip_hash"]
header = await header_hash.obj(remote)
assert r["tip_index"] == 3
assert r["genesis_hash"] == bytes([0] * 32)
# a bad SpendBundle
input_coin = my_new_coins[1]
spend_bundle = spend_coin(input_coin, [], 2)
_ = await remote.push_tx(tx=spend_bundle)
expected_program_id = "cfeeb3a79949bf76dbc13580313c96a3742e31d0a17c55ae70eae502164c7d07"
assert str(_) == ("exception: (<Err.WRONG_PUZZLE_HASH: 8>, "
"Coin(parent_coin_info=<CoinPointer: "
f"{expected_coin_id}>,"
f" puzzle_hash=<ProgramPointer: {expected_program_id}>, "
"amount=2000))")
async def client_test(path):
remote = await proxy_for_unix_connection(path)
payments = [
(puzzle_hash_for_index(0), 1000),
(puzzle_hash_for_index(1), 2000),
]
conditions = conditions_for_payment(payments)
coinbase_puzzle_hash = ProgramHash(puzzle_for_conditions(conditions))
fees_puzzle_hash = puzzle_hash_for_index(6)
r = await remote.next_block(coinbase_puzzle_hash=coinbase_puzzle_hash,
fees_puzzle_hash=fees_puzzle_hash)
header = r.get("header")
body = r.get("body")
for _ in [header, body]:
hh = std_hash(_)
r1 = await remote.hash_preimage(hash=hh)
assert r1 == bytes(_)
coinbase_coin = body.coinbase_coin
new_coinbase_puzzle_hash = puzzle_hash_for_index(5)
# farm a few blocks
for _ in range(5):
r = await remote.next_block(
coinbase_puzzle_hash=new_coinbase_puzzle_hash,
fees_puzzle_hash=fees_puzzle_hash,
)
assert "header" in r
# spend the coinbase coin
solution = solution_for_conditions(conditions)
spend_bundle = build_spend_bundle(coinbase_coin, solution)
r = await remote.push_tx(tx=spend_bundle)
assert r["response"].startswith("accepted")
# farm a few blocks
for _ in range(5):
r = await remote.next_block(
coinbase_puzzle_hash=new_coinbase_puzzle_hash,
fees_puzzle_hash=fees_puzzle_hash,
)
assert "header" in r
r = await remote.push_tx(tx=spend_bundle)
assert r.args[0].startswith("exception: (<Err.DOUBLE_SPEND")
r = await remote.all_unspents()
coin_names = r["unspents"]
coin_name = coin_names[0]
assert coin_name == coinbase_coin.name()
unspent = await remote.unspent_for_coin_name(coin_name=coin_name)
assert unspent.spent_block_index == 7
import asyncio
from chiasim.hack.keys import (conditions_for_payment,
public_key_bytes_for_index,
puzzle_hash_for_index, spend_coin)
from chiasim.hashable import (std_hash, EORPrivateKey, HeaderHash,
ProofOfSpace, BLSPublicKey, Signature,
SpendBundle)
from chiasim.farming import farm_new_block, get_plot_public_key, sign_header
from chiasim.pool import create_coinbase_coin_and_signature, get_pool_public_key
from chiasim.storage import RAM_DB
from chiasim.validation import ChainView, validate_spend_bundle_signature
from chiasim.wallet.deltas import removals_for_body
GENESIS_BLOCK = std_hash(bytes([0]))
def farm_block(previous_header, previous_signature, block_number,
proof_of_space, spend_bundle, coinbase_puzzle_hash, reward):
fees_puzzle_hash = puzzle_hash_for_index(3)
coinbase_coin, coinbase_signature = create_coinbase_coin_and_signature(
block_number, coinbase_puzzle_hash, reward,
proof_of_space.pool_public_key)
timestamp = int(1e10) + 300 * block_number
header, body = farm_new_block(previous_header, previous_signature,
block_number, proof_of_space, spend_bundle,
coinbase_coin, coinbase_signature,
fees_puzzle_hash, timestamp)