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test/functional/test_framework/blocktools.py
| Show All 25 Lines | |||||
| ) | ) | ||||
| from .txtools import pad_tx | from .txtools import pad_tx | ||||
| from .util import assert_equal, satoshi_round | from .util import assert_equal, satoshi_round | ||||
| # Genesis block time (regtest) | # Genesis block time (regtest) | ||||
| TIME_GENESIS_BLOCK = 1296688602 | TIME_GENESIS_BLOCK = 1296688602 | ||||
| def create_block(hashprev, coinbase, nTime=None): | def create_block(hashprev, coinbase, ntime=None): | ||||
| """Create a block (with regtest difficulty).""" | """Create a block (with regtest difficulty).""" | ||||
| block = CBlock() | block = CBlock() | ||||
| if nTime is None: | if ntime is None: | ||||
| import time | import time | ||||
| block.nTime = int(time.time() + 600) | block.nTime = int(time.time() + 600) | ||||
| else: | else: | ||||
| block.nTime = nTime | block.nTime = ntime | ||||
| block.hashPrevBlock = hashprev | block.hashPrevBlock = hashprev | ||||
| block.nBits = 0x207fffff # Will break after a difficulty adjustment... | # difficulty retargeting is disabled in REGTEST chainparams | ||||
| block.nBits = 0x207fffff | |||||
| block.vtx.append(coinbase) | block.vtx.append(coinbase) | ||||
| block.hashMerkleRoot = block.calc_merkle_root() | block.hashMerkleRoot = block.calc_merkle_root() | ||||
| block.calc_sha256() | block.calc_sha256() | ||||
| return block | return block | ||||
| def make_conform_to_ctor(block): | def make_conform_to_ctor(block): | ||||
| for tx in block.vtx: | for tx in block.vtx: | ||||
| Show All 12 Lines | while (absvalue): | ||||
| r.append(int(absvalue & 0xff)) | r.append(int(absvalue & 0xff)) | ||||
| absvalue >>= 8 | absvalue >>= 8 | ||||
| if r[-1] & 0x80: | if r[-1] & 0x80: | ||||
| r.append(0x80 if neg else 0) | r.append(0x80 if neg else 0) | ||||
| elif neg: | elif neg: | ||||
| r[-1] |= 0x80 | r[-1] |= 0x80 | ||||
| return r | return r | ||||
| # Create a coinbase transaction, assuming no miner fees. | |||||
| # If pubkey is passed in, the coinbase output will be a P2PK output; | |||||
| # otherwise an anyone-can-spend output. | |||||
| def create_coinbase(height, pubkey=None): | def create_coinbase(height, pubkey=None): | ||||
| """Create a coinbase transaction, assuming no miner fees. | |||||
| If pubkey is passed in, the coinbase output will be a P2PK output; | |||||
| otherwise an anyone-can-spend output.""" | |||||
| coinbase = CTransaction() | coinbase = CTransaction() | ||||
| coinbase.vin.append(CTxIn(COutPoint(0, 0xffffffff), | coinbase.vin.append(CTxIn(COutPoint(0, 0xffffffff), | ||||
| ser_string(serialize_script_num(height)), 0xffffffff)) | ser_string(serialize_script_num(height)), 0xffffffff)) | ||||
| coinbaseoutput = CTxOut() | coinbaseoutput = CTxOut() | ||||
| coinbaseoutput.nValue = 50 * COIN | coinbaseoutput.nValue = 50 * COIN | ||||
| halvings = int(height / 150) # regtest | halvings = int(height / 150) # regtest | ||||
| coinbaseoutput.nValue >>= halvings | coinbaseoutput.nValue >>= halvings | ||||
| if (pubkey is not None): | if (pubkey is not None): | ||||
| ▲ Show 20 Lines • Show All 45 Lines • ▼ Show 20 Lines | def create_raw_transaction(node, txid, to_address, amount): | ||||
| inputs = [{"txid": txid, "vout": 0}] | inputs = [{"txid": txid, "vout": 0}] | ||||
| outputs = {to_address: amount} | outputs = {to_address: amount} | ||||
| rawtx = node.createrawtransaction(inputs, outputs) | rawtx = node.createrawtransaction(inputs, outputs) | ||||
| signresult = node.signrawtransactionwithwallet(rawtx) | signresult = node.signrawtransactionwithwallet(rawtx) | ||||
| assert_equal(signresult["complete"], True) | assert_equal(signresult["complete"], True) | ||||
| return signresult['hex'] | return signresult['hex'] | ||||
| def get_legacy_sigopcount_block(block, fAccurate=True): | def get_legacy_sigopcount_block(block, accurate=True): | ||||
| count = 0 | count = 0 | ||||
| for tx in block.vtx: | for tx in block.vtx: | ||||
| count += get_legacy_sigopcount_tx(tx, fAccurate) | count += get_legacy_sigopcount_tx(tx, accurate) | ||||
| return count | return count | ||||
| def get_legacy_sigopcount_tx(tx, fAccurate=True): | def get_legacy_sigopcount_tx(tx, accurate=True): | ||||
| count = 0 | count = 0 | ||||
| for i in tx.vout: | for i in tx.vout: | ||||
| count += i.scriptPubKey.GetSigOpCount(fAccurate) | count += i.scriptPubKey.GetSigOpCount(accurate) | ||||
| for j in tx.vin: | for j in tx.vin: | ||||
| # scriptSig might be of type bytes, so convert to CScript for the | # scriptSig might be of type bytes, so convert to CScript for the | ||||
| # moment | # moment | ||||
| count += CScript(j.scriptSig).GetSigOpCount(fAccurate) | count += CScript(j.scriptSig).GetSigOpCount(accurate) | ||||
| return count | return count | ||||
| def create_confirmed_utxos(node, count, age=101): | def create_confirmed_utxos(node, count, age=101): | ||||
| """ | """ | ||||
| Helper to create at least "count" utxos | Helper to create at least "count" utxos | ||||
| """ | """ | ||||
| to_generate = int(0.5 * count) + age | to_generate = int(0.5 * count) + age | ||||
| ▲ Show 20 Lines • Show All 70 Lines • Show Last 20 Lines | |||||