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fix: make testing scenario in feature_governance.py more realistic
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@UdjinM6
UdjinM6 committed Oct 23, 2023
1 parent 9dd1660 commit 6fb102b
Showing 1 changed file with 134 additions and 78 deletions.
212 changes: 134 additions & 78 deletions test/functional/feature_governance.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,15 +5,16 @@
"""Tests around dash governance."""

import json
import time

from test_framework.messages import uint256_to_string
from test_framework.test_framework import DashTestFramework
from test_framework.util import assert_equal, satoshi_round
from test_framework.util import assert_equal, satoshi_round, set_node_times, wait_until

class DashGovernanceTest (DashTestFramework):
def set_test_params(self):
self.set_dash_test_params(6, 5, [["-budgetparams=10:10:10"]] * 6)
self.v20_start_time = 1417713500
# using adjusted v20 deployment params to test an edge case where superblock maturity window is equal to deployment window size
self.set_dash_test_params(6, 5, [["-budgetparams=10:10:10", f"-vbparams=v20:{self.v20_start_time}:999999999999:10:8:6:5:-1"]] * 6, fast_dip3_enforcement=True)

def prepare_object(self, object_type, parent_hash, creation_time, revision, name, amount, payment_address):
proposal_rev = revision
Expand All @@ -23,7 +24,7 @@ def prepare_object(self, object_type, parent_hash, creation_time, revision, name
"name": name,
"start_epoch": proposal_time,
"end_epoch": proposal_time + 24 * 60 * 60,
"payment_amount": amount,
"payment_amount": float(amount),
"payment_address": payment_address,
"url": "https://dash.org"
}
Expand All @@ -38,6 +39,44 @@ def prepare_object(self, object_type, parent_hash, creation_time, revision, name
"data": proposal_template,
}

def check_superblockbudget(self, v20_active):
v20_state = self.nodes[0].getblockchaininfo()["softforks"]["v20"]
assert_equal(v20_state["active"], v20_active)
assert_equal(self.nodes[0].getsuperblockbudget(200), self.expected_old_budget)
assert_equal(self.nodes[0].getsuperblockbudget(220), self.expected_old_budget)
if v20_state["bip9"]["status"] == "locked_in" or v20_state["bip9"]["status"] == "active":
assert_equal(self.nodes[0].getsuperblockbudget(240), self.expected_v20_budget)
assert_equal(self.nodes[0].getsuperblockbudget(260), self.expected_v20_budget)
assert_equal(self.nodes[0].getsuperblockbudget(280), self.expected_v20_budget)
else:
assert_equal(self.nodes[0].getsuperblockbudget(240), self.expected_old_budget)
assert_equal(self.nodes[0].getsuperblockbudget(260), self.expected_old_budget)
assert_equal(self.nodes[0].getsuperblockbudget(280), self.expected_old_budget)

def check_superblock(self):
# Make sure Superblock has only payments that fit into the budget
# p0 must always be included because it has most votes
# p1 and p2 have equal number of votes (but less votes than p0)
# so only one of them can be included (depends on proposal hashes).

coinbase_outputs = self.nodes[0].getblock(self.nodes[0].getbestblockhash(), 2)["tx"][0]["vout"]
payments_found = 0
for txout in coinbase_outputs:
if txout["value"] == satoshi_round(str(self.p0_amount)) and txout["scriptPubKey"]["addresses"][0] == self.p0_payout_address:
payments_found += 1
if txout["value"] == satoshi_round(str(self.p1_amount)) and txout["scriptPubKey"]["addresses"][0] == self.p1_payout_address:
if self.p1_hash > self.p2_hash:
payments_found += 1
else:
assert False
if txout["value"] == satoshi_round(str(self.p2_amount)) and txout["scriptPubKey"]["addresses"][0] == self.p2_payout_address:
if self.p2_hash > self.p1_hash:
payments_found += 1
else:
assert False

assert_equal(payments_found, 2)

def run_test(self):
map_vote_outcomes = {
0: "none",
Expand All @@ -52,131 +91,148 @@ def run_test(self):
3: "delete",
4: "endorsed"
}
sb_cycle = 20
sb_maturity_window = 10
sb_immaturity_window = sb_cycle - sb_maturity_window
self.expected_old_budget = satoshi_round("928.57142840")
self.expected_v20_budget = satoshi_round("18.57142860")

self.activate_dip8()

self.nodes[0].sporkupdate("SPORK_2_INSTANTSEND_ENABLED", 4070908800)
self.nodes[0].sporkupdate("SPORK_9_SUPERBLOCKS_ENABLED", 0)
self.wait_for_sporks_same()

assert_equal(len(self.nodes[0].gobject("list-prepared")), 0)

self.nodes[0].generate(3)
self.bump_mocktime(3)
self.sync_blocks()
assert_equal(self.nodes[0].getblockcount(), 210)
assert_equal(self.nodes[0].getblockchaininfo()["softforks"]["v20"]["bip9"]["status"], "defined")
self.check_superblockbudget(False)

assert self.mocktime < self.v20_start_time
self.mocktime = self.v20_start_time
set_node_times(self.nodes, self.mocktime)

self.nodes[0].generate(10)
self.bump_mocktime(10)
self.sync_blocks()
assert_equal(self.nodes[0].getblockcount(), 220)
assert_equal(self.nodes[0].getblockchaininfo()["softforks"]["v20"]["bip9"]["status"], "started")
self.check_superblockbudget(False)

proposal_time = self.mocktime
sb_block_height = self.nodes[0].getblockcount() + 10 - self.nodes[0].getblockcount() % 10
p0_payout_address = self.nodes[0].getnewaddress()
p1_payout_address = self.nodes[0].getnewaddress()
p2_payout_address = self.nodes[0].getnewaddress()
p0_amount = float(1.1)
p1_amount = float(3.3)
p2_amount = float(self.nodes[0].getsuperblockbudget(sb_block_height)) - p1_amount

p0_collateral_prepare = self.prepare_object(1, uint256_to_string(0), proposal_time, 1, "Proposal_0", p0_amount, p0_payout_address)
p1_collateral_prepare = self.prepare_object(1, uint256_to_string(0), proposal_time, 1, "Proposal_1", p1_amount, p1_payout_address)
p2_collateral_prepare = self.prepare_object(1, uint256_to_string(0), proposal_time, 1, "Proposal_2", p2_amount, p2_payout_address)
self.p0_payout_address = self.nodes[0].getnewaddress()
self.p1_payout_address = self.nodes[0].getnewaddress()
self.p2_payout_address = self.nodes[0].getnewaddress()
self.p0_amount = satoshi_round("1.1")
self.p1_amount = satoshi_round("3.3")
self.p2_amount = self.expected_v20_budget - self.p1_amount

p0_collateral_prepare = self.prepare_object(1, uint256_to_string(0), proposal_time, 1, "Proposal_0", self.p0_amount, self.p0_payout_address)
p1_collateral_prepare = self.prepare_object(1, uint256_to_string(0), proposal_time, 1, "Proposal_1", self.p1_amount, self.p1_payout_address)
p2_collateral_prepare = self.prepare_object(1, uint256_to_string(0), proposal_time, 1, "Proposal_2", self.p2_amount, self.p2_payout_address)

self.nodes[0].generate(6)
self.bump_mocktime(6)
self.sync_blocks()

assert_equal(len(self.nodes[0].gobject("list-prepared")), 3)
assert_equal(len(self.nodes[0].gobject("list")), 0)

p0_hash = self.nodes[0].gobject("submit", "0", 1, proposal_time, p0_collateral_prepare["hex"], p0_collateral_prepare["collateralHash"])
p1_hash = self.nodes[0].gobject("submit", "0", 1, proposal_time, p1_collateral_prepare["hex"], p1_collateral_prepare["collateralHash"])
p2_hash = self.nodes[0].gobject("submit", "0", 1, proposal_time, p2_collateral_prepare["hex"], p2_collateral_prepare["collateralHash"])
self.p0_hash = self.nodes[0].gobject("submit", "0", 1, proposal_time, p0_collateral_prepare["hex"], p0_collateral_prepare["collateralHash"])
self.p1_hash = self.nodes[0].gobject("submit", "0", 1, proposal_time, p1_collateral_prepare["hex"], p1_collateral_prepare["collateralHash"])
self.p2_hash = self.nodes[0].gobject("submit", "0", 1, proposal_time, p2_collateral_prepare["hex"], p2_collateral_prepare["collateralHash"])

assert_equal(len(self.nodes[0].gobject("list")), 3)

assert_equal(self.nodes[0].gobject("get", p0_hash)["FundingResult"]["YesCount"], 0)
assert_equal(self.nodes[0].gobject("get", p0_hash)["FundingResult"]["NoCount"], 0)
assert_equal(self.nodes[0].gobject("get", self.p0_hash)["FundingResult"]["YesCount"], 0)
assert_equal(self.nodes[0].gobject("get", self.p0_hash)["FundingResult"]["NoCount"], 0)

assert_equal(self.nodes[0].gobject("get", p1_hash)["FundingResult"]["YesCount"], 0)
assert_equal(self.nodes[0].gobject("get", p1_hash)["FundingResult"]["NoCount"], 0)
assert_equal(self.nodes[0].gobject("get", self.p1_hash)["FundingResult"]["YesCount"], 0)
assert_equal(self.nodes[0].gobject("get", self.p1_hash)["FundingResult"]["NoCount"], 0)

assert_equal(self.nodes[0].gobject("get", p2_hash)["FundingResult"]["YesCount"], 0)
assert_equal(self.nodes[0].gobject("get", p2_hash)["FundingResult"]["NoCount"], 0)
assert_equal(self.nodes[0].gobject("get", self.p2_hash)["FundingResult"]["YesCount"], 0)
assert_equal(self.nodes[0].gobject("get", self.p2_hash)["FundingResult"]["NoCount"], 0)

self.nodes[0].gobject("vote-alias", p0_hash, map_vote_signals[1], map_vote_outcomes[2], self.mninfo[0].proTxHash)
self.nodes[0].gobject("vote-many", p0_hash, map_vote_signals[1], map_vote_outcomes[1])
assert_equal(self.nodes[0].gobject("get", p0_hash)["FundingResult"]["YesCount"], self.mn_count - 1)
assert_equal(self.nodes[0].gobject("get", p0_hash)["FundingResult"]["NoCount"], 1)
self.nodes[0].gobject("vote-alias", self.p0_hash, map_vote_signals[1], map_vote_outcomes[2], self.mninfo[0].proTxHash)
self.nodes[0].gobject("vote-many", self.p0_hash, map_vote_signals[1], map_vote_outcomes[1])
assert_equal(self.nodes[0].gobject("get", self.p0_hash)["FundingResult"]["YesCount"], self.mn_count - 1)
assert_equal(self.nodes[0].gobject("get", self.p0_hash)["FundingResult"]["NoCount"], 1)

self.nodes[0].gobject("vote-alias", p1_hash, map_vote_signals[1], map_vote_outcomes[2], self.mninfo[0].proTxHash)
self.nodes[0].gobject("vote-alias", p1_hash, map_vote_signals[1], map_vote_outcomes[2], self.mninfo[1].proTxHash)
self.nodes[0].gobject("vote-many", p1_hash, map_vote_signals[1], map_vote_outcomes[1])
assert_equal(self.nodes[0].gobject("get", p1_hash)["FundingResult"]["YesCount"], self.mn_count - 2)
assert_equal(self.nodes[0].gobject("get", p1_hash)["FundingResult"]["NoCount"], 2)
self.nodes[0].gobject("vote-alias", self.p1_hash, map_vote_signals[1], map_vote_outcomes[2], self.mninfo[0].proTxHash)
self.nodes[0].gobject("vote-alias", self.p1_hash, map_vote_signals[1], map_vote_outcomes[2], self.mninfo[1].proTxHash)
self.nodes[0].gobject("vote-many", self.p1_hash, map_vote_signals[1], map_vote_outcomes[1])
assert_equal(self.nodes[0].gobject("get", self.p1_hash)["FundingResult"]["YesCount"], self.mn_count - 2)
assert_equal(self.nodes[0].gobject("get", self.p1_hash)["FundingResult"]["NoCount"], 2)

self.nodes[0].gobject("vote-alias", p2_hash, map_vote_signals[1], map_vote_outcomes[2], self.mninfo[0].proTxHash)
self.nodes[0].gobject("vote-alias", p2_hash, map_vote_signals[1], map_vote_outcomes[2], self.mninfo[1].proTxHash)
self.nodes[0].gobject("vote-many", p2_hash, map_vote_signals[1], map_vote_outcomes[1])
assert_equal(self.nodes[0].gobject("get", p2_hash)["FundingResult"]["YesCount"], self.mn_count - 2)
assert_equal(self.nodes[0].gobject("get", p2_hash)["FundingResult"]["NoCount"], 2)
self.nodes[0].gobject("vote-alias", self.p2_hash, map_vote_signals[1], map_vote_outcomes[2], self.mninfo[0].proTxHash)
self.nodes[0].gobject("vote-alias", self.p2_hash, map_vote_signals[1], map_vote_outcomes[2], self.mninfo[1].proTxHash)
self.nodes[0].gobject("vote-many", self.p2_hash, map_vote_signals[1], map_vote_outcomes[1])
assert_equal(self.nodes[0].gobject("get", self.p2_hash)["FundingResult"]["YesCount"], self.mn_count - 2)
assert_equal(self.nodes[0].gobject("get", self.p2_hash)["FundingResult"]["NoCount"], 2)

assert_equal(len(self.nodes[0].gobject("list", "valid", "triggers")), 0)

block_count = self.nodes[0].getblockcount()
sb_cycle = 10
sb_maturity_window = 2
sb_maturity_cycle = sb_cycle - sb_maturity_window

# Move until 1 block before the Superblock maturity window starts
n = sb_maturity_cycle - block_count % sb_cycle
self.nodes[0].generate(n - 1)
self.sync_blocks()
time.sleep(1)
n = sb_immaturity_window - block_count % sb_cycle
# v20 is expected to be activate since block 240
assert block_count + n < 240
for _ in range(n - 1):
self.nodes[0].generate(1)
self.bump_mocktime(1)
self.sync_blocks()
self.check_superblockbudget(False)

assert_equal(len(self.nodes[0].gobject("list", "valid", "triggers")), 0)

# Move 1 block enabling the Superblock maturity window
self.nodes[0].generate(1)
self.bump_mocktime(1)
self.sync_blocks()
time.sleep(1)
assert_equal(self.nodes[0].getblockcount(), 230)
assert_equal(self.nodes[0].getblockchaininfo()["softforks"]["v20"]["bip9"]["status"], "locked_in")
self.check_superblockbudget(False)

# The "winner" should submit new trigger and vote for it, no one else should vote yet
valid_triggers = self.nodes[0].gobject("list", "valid", "triggers")
assert_equal(len(valid_triggers), 1)
trigger_data = list(valid_triggers.values())[0]
assert_equal(trigger_data['YesCount'], 1)
wait_until(lambda: len(self.nodes[0].gobject("list", "valid", "triggers")) == 1, timeout=5)

# Move 1 block inside the Superblock maturity window
self.nodes[0].generate(1)
self.bump_mocktime(1)
self.sync_blocks()
time.sleep(1)

# Every MN should vote for the same trigger now, no new triggers should be created
triggers_rpc = self.nodes[0].gobject("list", "valid", "triggers")
assert_equal(len(triggers_rpc), 1)
trigger_data = list(triggers_rpc.values())[0]
assert_equal(trigger_data['YesCount'], self.mn_count)
wait_until(lambda: list(self.nodes[0].gobject("list", "valid", "triggers").values())[0]['YesCount'] == self.mn_count, timeout=5)

block_count = self.nodes[0].getblockcount()
n = sb_cycle - block_count % sb_cycle

# Move remaining n blocks until actual Superblock
for i in range(n):
time.sleep(1)
self.nodes[0].generate(1)
self.bump_mocktime(1)
self.sync_blocks()

# Make sure Superblock has only payments that fit into the budget
# p0 must always be included because it has most votes
# p1 and p2 have equal number of votes (but less votes than p0)
# so only one of them can be included (depends on proposal hashes).
coinbase_outputs = self.nodes[0].getblock(self.nodes[0].getbestblockhash(), 2)["tx"][0]["vout"]
payments_found = 0
for txout in coinbase_outputs:
if txout["value"] == satoshi_round(str(p0_amount)) and txout["scriptPubKey"]["addresses"][0] == p0_payout_address:
payments_found += 1
if txout["value"] == satoshi_round(str(p1_amount)) and txout["scriptPubKey"]["addresses"][0] == p1_payout_address:
if p1_hash > p2_hash:
payments_found += 1
else:
assert False
if txout["value"] == satoshi_round(str(p2_amount)) and txout["scriptPubKey"]["addresses"][0] == p2_payout_address:
if p2_hash > p1_hash:
payments_found += 1
else:
assert False

assert_equal(payments_found, 2)
# comparing to 239 because bip9 forks are active when the tip is one block behind the activation height
self.check_superblockbudget(block_count + i + 1 >= 239)

self.check_superblockbudget(True)
self.check_superblock()

# Mine and check a couple more superblocks
for i in range(2):
for _ in range(20):
self.nodes[0].generate(1)
self.bump_mocktime(1)
self.sync_blocks()
assert_equal(self.nodes[0].getblockcount(), 240 + (i + 1) * 20)
assert_equal(self.nodes[0].getblockchaininfo()["softforks"]["v20"]["bip9"]["status"], "active")
self.check_superblockbudget(True)
self.check_superblock()


if __name__ == '__main__':
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