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-rwxr-xr-xtest/functional/feature_fee_estimation.py74
1 files changed, 26 insertions, 48 deletions
diff --git a/test/functional/feature_fee_estimation.py b/test/functional/feature_fee_estimation.py
index 936ca94580..e1263414bd 100755
--- a/test/functional/feature_fee_estimation.py
+++ b/test/functional/feature_fee_estimation.py
@@ -9,7 +9,15 @@ import random
from test_framework.mininode import CTransaction, CTxIn, CTxOut, COutPoint, ToHex, COIN
from test_framework.script import CScript, OP_1, OP_DROP, OP_2, OP_HASH160, OP_EQUAL, hash160, OP_TRUE
from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import satoshi_round, sync_mempools, sync_blocks, connect_nodes, assert_greater_than
+from test_framework.util import (
+ assert_equal,
+ assert_greater_than,
+ assert_greater_than_or_equal,
+ connect_nodes,
+ satoshi_round,
+ sync_blocks,
+ sync_mempools,
+)
# Construct 2 trivial P2SH's and the ScriptSigs that spend them
# So we can create many transactions without needing to spend
@@ -22,8 +30,6 @@ P2SH_2 = CScript([OP_HASH160, hash160(REDEEM_SCRIPT_2), OP_EQUAL])
# Associated ScriptSig's to spend satisfy P2SH_1 and P2SH_2
SCRIPT_SIG = [CScript([OP_TRUE, REDEEM_SCRIPT_1]), CScript([OP_TRUE, REDEEM_SCRIPT_2])]
-global log
-
def small_txpuzzle_randfee(from_node, conflist, unconflist, amount, min_fee, fee_increment):
"""Create and send a transaction with a random fee.
@@ -93,52 +99,28 @@ def split_inputs(from_node, txins, txouts, initial_split=False):
txouts.append({"txid": txid, "vout": 0, "amount": half_change})
txouts.append({"txid": txid, "vout": 1, "amount": rem_change})
-def check_estimates(node, fees_seen, max_invalid, print_estimates=True):
- """Call estimatefee and verify that the estimates meet certain invariants."""
+def check_estimates(node, fees_seen, max_invalid):
+ """Call estimatesmartfee and verify that the estimates meet certain invariants."""
- all_estimates = [node.estimatefee(i) for i in range(1, 26)]
- if print_estimates:
- log.info([str(all_estimates[e - 1]) for e in [1, 2, 3, 6, 15, 25]])
delta = 1.0e-6 # account for rounding error
- last_e = max(fees_seen)
- for e in [x for x in all_estimates if x >= 0]:
- # Estimates should be within the bounds of what transactions fees actually were:
- if float(e) + delta < min(fees_seen) or float(e) - delta > max(fees_seen):
+ last_feerate = float(max(fees_seen))
+ all_smart_estimates = [node.estimatesmartfee(i) for i in range(1, 26)]
+ for i, e in enumerate(all_smart_estimates): # estimate is for i+1
+ feerate = float(e["feerate"])
+ assert_greater_than(feerate, 0)
+
+ if feerate + delta < min(fees_seen) or feerate - delta > max(fees_seen):
raise AssertionError("Estimated fee (%f) out of range (%f,%f)"
- % (float(e), min(fees_seen), max(fees_seen)))
- # Estimates should be monotonically decreasing
- if float(e) - delta > last_e:
+ % (feerate, min(fees_seen), max(fees_seen)))
+ if feerate - delta > last_feerate:
raise AssertionError("Estimated fee (%f) larger than last fee (%f) for lower number of confirms"
- % (float(e), float(last_e)))
- last_e = e
- valid_estimate = False
- invalid_estimates = 0
- for i, e in enumerate(all_estimates): # estimate is for i+1
- if e >= 0:
- valid_estimate = True
- if i >= 13: # for n>=14 estimatesmartfee(n/2) should be at least as high as estimatefee(n)
- assert_greater_than(node.estimatesmartfee((i + 1) // 2)["feerate"], float(e) - delta)
+ % (feerate, last_feerate))
+ last_feerate = feerate
+ if i == 0:
+ assert_equal(e["blocks"], 2)
else:
- invalid_estimates += 1
-
- # estimatesmartfee should still be valid
- approx_estimate = node.estimatesmartfee(i + 1)["feerate"]
- answer_found = node.estimatesmartfee(i + 1)["blocks"]
- assert_greater_than(approx_estimate, 0)
- assert_greater_than(answer_found, i + 1)
-
- # Once we're at a high enough confirmation count that we can give an estimate
- # We should have estimates for all higher confirmation counts
- if valid_estimate:
- raise AssertionError("Invalid estimate appears at higher confirm count than valid estimate")
-
- # Check on the expected number of different confirmation counts
- # that we might not have valid estimates for
- if invalid_estimates > max_invalid:
- raise AssertionError("More than (%d) invalid estimates" % (max_invalid))
- return all_estimates
-
+ assert_greater_than_or_equal(i + 1, e["blocks"])
class EstimateFeeTest(BitcoinTestFramework):
def set_test_params(self):
@@ -151,7 +133,7 @@ class EstimateFeeTest(BitcoinTestFramework):
which we will use to generate our transactions.
"""
self.add_nodes(3, extra_args=[["-maxorphantx=1000", "-whitelist=127.0.0.1"],
- ["-blockmaxsize=17000", "-maxorphantx=1000", "-deprecatedrpc=estimatefee"],
+ ["-blockmaxsize=17000", "-maxorphantx=1000"],
["-blockmaxsize=8000", "-maxorphantx=1000"]])
# Use node0 to mine blocks for input splitting
# Node1 mines small blocks but that are bigger than the expected transaction rate.
@@ -190,10 +172,6 @@ class EstimateFeeTest(BitcoinTestFramework):
self.log.info("This test is time consuming, please be patient")
self.log.info("Splitting inputs so we can generate tx's")
- # Make log handler available to helper functions
- global log
- log = self.log
-
# Start node0
self.start_node(0)
self.txouts = []