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[tests] Don't build the coinbase manually in getblocktemplate test

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This commit is contained in:
John Newbery 2017-04-11 15:09:19 -04:00
parent 38b38cd2d1
commit 66c570a38e
1 changed files with 8 additions and 7 deletions
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15
test/functional/getblocktemplate_proposals.py
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@ -8,6 +8,7 @@ from binascii import a2b_hex, b2a_hex
from hashlib import sha256
from struct import pack
from test_framework.blocktools import create_coinbase
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
@ -78,13 +79,13 @@ class GetBlockTemplateProposalTest(BitcoinTestFramework):
# Mine a block to leave initial block download
node.generate(1)
tmpl = node.getblocktemplate()
if 'coinbasetxn' not in tmpl:
rawcoinbase = encodeUNum(tmpl['height'])
rawcoinbase += b'\x01-'
hexcoinbase = b2x(rawcoinbase)
hexoutval = b2x(pack('<Q', tmpl['coinbasevalue']))
tmpl['coinbasetxn'] = {'data': '01000000' + '01' + '0000000000000000000000000000000000000000000000000000000000000000ffffffff' + ('%02x' % (len(rawcoinbase),)) + hexcoinbase + 'fffffffe' + '01' + hexoutval + '00' + '00000000'}
txlist = list(bytearray(a2b_hex(a['data'])) for a in (tmpl['coinbasetxn'],) + tuple(tmpl['transactions']))
assert 'coinbasetxn' not in tmpl
coinbase_tx = create_coinbase(height=int(tmpl["height"]) + 1)
# sequence numbers must not be max for nLockTime to have effect
coinbase_tx.vin[0].nSequence = 2 ** 32 - 2
tmpl['coinbasetxn'] = {'data': coinbase_tx.serialize()}
txlist = [bytearray(coinbase_tx.serialize())]
self.log.info("getblocktemplate: Test capability advertised")
assert('proposal' in tmpl['capabilities'])