@ -49,9 +49,10 @@ from test_framework.util import (
from test_framework . wallet import MiniWallet
HEIGHT = 200 # blocks mined
TIME_RANGE_STEP = 600 # ten-minute steps
TIME_RANGE_MTP = TIME_GENESIS_BLOCK + 194 * TIME_RANGE_STEP
TIME_RANGE_END = TIME_GENESIS_BLOCK + 200 * TIME_RANGE_STEP
TIME_RANGE_MTP = TIME_GENESIS_BLOCK + ( HEIGHT - 6 ) * TIME_RANGE_STEP
TIME_RANGE_END = TIME_GENESIS_BLOCK + HEIGHT * TIME_RANGE_STEP
class BlockchainTest ( BitcoinTestFramework ) :
@ -76,11 +77,11 @@ class BlockchainTest(BitcoinTestFramework):
assert self . nodes [ 0 ] . verifychain ( 4 , 0 )
def mine_chain ( self ) :
self . log . info ( " Generate 200 blocks after the genesis block in ten-minute steps" )
self . log . info ( f" Generate { HEIGHT } blocks after the genesis block in ten-minute steps" )
for t in range ( TIME_GENESIS_BLOCK , TIME_RANGE_END , TIME_RANGE_STEP ) :
self . nodes [ 0 ] . setmocktime ( t )
self . nodes [ 0 ] . generatetoaddress ( 1 , ADDRESS_BCRT1_P2WSH_OP_TRUE )
assert_equal ( self . nodes [ 0 ] . getblockchaininfo ( ) [ ' blocks ' ] , 200 )
assert_equal ( self . nodes [ 0 ] . getblockchaininfo ( ) [ ' blocks ' ] , HEIGHT )
def _test_getblockchaininfo ( self ) :
self . log . info ( " Test getblockchaininfo " )
@ -153,8 +154,8 @@ class BlockchainTest(BitcoinTestFramework):
' statistics ' : {
' period ' : 144 ,
' threshold ' : 108 ,
' elapsed ' : 57 ,
' count ' : 57 ,
' elapsed ' : HEIGHT - 143 ,
' count ' : HEIGHT - 143 ,
' possible ' : True ,
} ,
' min_activation_height ' : 0 ,
@ -191,33 +192,33 @@ class BlockchainTest(BitcoinTestFramework):
assert_raises_rpc_error ( - 8 , " blockhash must be of length 64 (not 1, for ' 0 ' ) " , self . nodes [ 0 ] . getchaintxstats , blockhash = ' 0 ' )
assert_raises_rpc_error ( - 8 , " blockhash must be hexadecimal string (not ' ZZZ0000000000000000000000000000000000000000000000000000000000000 ' ) " , self . nodes [ 0 ] . getchaintxstats , blockhash = ' ZZZ0000000000000000000000000000000000000000000000000000000000000 ' )
assert_raises_rpc_error ( - 5 , " Block not found " , self . nodes [ 0 ] . getchaintxstats , blockhash = ' 0000000000000000000000000000000000000000000000000000000000000000 ' )
blockhash = self . nodes [ 0 ] . getblockhash ( 200 )
blockhash = self . nodes [ 0 ] . getblockhash ( HEIGHT )
self . nodes [ 0 ] . invalidateblock ( blockhash )
assert_raises_rpc_error ( - 8 , " Block is not in main chain " , self . nodes [ 0 ] . getchaintxstats , blockhash = blockhash )
self . nodes [ 0 ] . reconsiderblock ( blockhash )
chaintxstats = self . nodes [ 0 ] . getchaintxstats ( nblocks = 1 )
# 200 txs plus genesis tx
assert_equal ( chaintxstats [ ' txcount ' ] , 20 1)
assert_equal ( chaintxstats [ ' txcount ' ] , HEIGHT + 1)
# tx rate should be 1 per 10 minutes, or 1/600
# we have to round because of binary math
assert_equal ( round ( chaintxstats [ ' txrate ' ] * 600 , 10 ) , Decimal ( 1 ) )
assert_equal ( round ( chaintxstats [ ' txrate ' ] * TIME_RANGE_STEP , 10 ) , Decimal ( 1 ) )
b1_hash = self . nodes [ 0 ] . getblockhash ( 1 )
b1 = self . nodes [ 0 ] . getblock ( b1_hash )
b200_hash = self . nodes [ 0 ] . getblockhash ( 200 )
b200_hash = self . nodes [ 0 ] . getblockhash ( HEIGHT )
b200 = self . nodes [ 0 ] . getblock ( b200_hash )
time_diff = b200 [ ' mediantime ' ] - b1 [ ' mediantime ' ]
chaintxstats = self . nodes [ 0 ] . getchaintxstats ( )
assert_equal ( chaintxstats [ ' time ' ] , b200 [ ' time ' ] )
assert_equal ( chaintxstats [ ' txcount ' ] , 20 1)
assert_equal ( chaintxstats [ ' txcount ' ] , HEIGHT + 1)
assert_equal ( chaintxstats [ ' window_final_block_hash ' ] , b200_hash )
assert_equal ( chaintxstats [ ' window_final_block_height ' ] , 200 )
assert_equal ( chaintxstats [ ' window_block_count ' ] , 1 99 )
assert_equal ( chaintxstats [ ' window_tx_count ' ] , 1 99 )
assert_equal ( chaintxstats [ ' window_final_block_height ' ] , HEIGHT )
assert_equal ( chaintxstats [ ' window_block_count ' ] , HEIGHT - 1 )
assert_equal ( chaintxstats [ ' window_tx_count ' ] , HEIGHT - 1 )
assert_equal ( chaintxstats [ ' window_interval ' ] , time_diff )
assert_equal ( round ( chaintxstats [ ' txrate ' ] * time_diff , 10 ) , Decimal ( 1 99 ) )
assert_equal ( round ( chaintxstats [ ' txrate ' ] * time_diff , 10 ) , Decimal ( HEIGHT - 1 ) )
chaintxstats = self . nodes [ 0 ] . getchaintxstats ( blockhash = b1_hash )
assert_equal ( chaintxstats [ ' time ' ] , b1 [ ' time ' ] )
@ -234,11 +235,11 @@ class BlockchainTest(BitcoinTestFramework):
res = node . gettxoutsetinfo ( )
assert_equal ( res [ ' total_amount ' ] , Decimal ( ' 8725.00000000 ' ) )
assert_equal ( res [ ' transactions ' ] , 200 )
assert_equal ( res [ ' height ' ] , 200 )
assert_equal ( res [ ' txouts ' ] , 200 )
assert_equal ( res [ ' transactions ' ] , HEIGHT )
assert_equal ( res [ ' height ' ] , HEIGHT )
assert_equal ( res [ ' txouts ' ] , HEIGHT )
assert_equal ( res [ ' bogosize ' ] , 16800 ) ,
assert_equal ( res [ ' bestblock ' ] , node . getblockhash ( 200 ) )
assert_equal ( res [ ' bestblock ' ] , node . getblockhash ( HEIGHT ) )
size = res [ ' disk_size ' ]
assert size > 6400
assert size < 64000
@ -298,11 +299,11 @@ class BlockchainTest(BitcoinTestFramework):
assert_raises_rpc_error ( - 5 , " Block not found " , node . getblockheader , " 0cf7bb8b1697ea987f3b223ba7819250cae33efacb068d23dc24859824a77844 " )
besthash = node . getbestblockhash ( )
secondbesthash = node . getblockhash ( 1 99 )
secondbesthash = node . getblockhash ( HEIGHT - 1 )
header = node . getblockheader ( blockhash = besthash )
assert_equal ( header [ ' hash ' ] , besthash )
assert_equal ( header [ ' height ' ] , 200 )
assert_equal ( header [ ' height ' ] , HEIGHT )
assert_equal ( header [ ' confirmations ' ] , 1 )
assert_equal ( header [ ' previousblockhash ' ] , secondbesthash )
assert_is_hex_string ( header [ ' chainwork ' ] )
@ -341,9 +342,9 @@ class BlockchainTest(BitcoinTestFramework):
assert abs ( hashes_per_second * 300 - 1 ) < 0.0001
def _test_stopatheight ( self ) :
assert_equal ( self . nodes [ 0 ] . getblockcount ( ) , 200 )
assert_equal ( self . nodes [ 0 ] . getblockcount ( ) , HEIGHT )
self . nodes [ 0 ] . generatetoaddress ( 6 , ADDRESS_BCRT1_P2WSH_OP_TRUE )
assert_equal ( self . nodes [ 0 ] . getblockcount ( ) , 20 6)
assert_equal ( self . nodes [ 0 ] . getblockcount ( ) , HEIGHT + 6)
self . log . debug ( ' Node should not stop at this height ' )
assert_raises ( subprocess . TimeoutExpired , lambda : self . nodes [ 0 ] . process . wait ( timeout = 3 ) )
try :
@ -353,7 +354,7 @@ class BlockchainTest(BitcoinTestFramework):
self . log . debug ( ' Node should stop at this height... ' )
self . nodes [ 0 ] . wait_until_stopped ( )
self . start_node ( 0 )
assert_equal ( self . nodes [ 0 ] . getblockcount ( ) , 20 7)
assert_equal ( self . nodes [ 0 ] . getblockcount ( ) , HEIGHT + 7)
def _test_waitforblockheight ( self ) :
self . log . info ( " Test waitforblockheight " )