Changeset View
Changeset View
Standalone View
Standalone View
test/functional/test_framework/util.py
| Show First 20 Lines • Show All 507 Lines • ▼ Show 20 Lines | if change > amount * 2: | ||||
| outputs[change_address] = Decimal( | outputs[change_address] = Decimal( | ||||
| change / 2).quantize(Decimal('0.00000001'), rounding=ROUND_DOWN) | change / 2).quantize(Decimal('0.00000001'), rounding=ROUND_DOWN) | ||||
| change = amount_in - amount - outputs[change_address] | change = amount_in - amount - outputs[change_address] | ||||
| if change > 0: | if change > 0: | ||||
| outputs[from_node.getnewaddress()] = change | outputs[from_node.getnewaddress()] = change | ||||
| return outputs | return outputs | ||||
| def send_zeropri_transaction(from_node, to_node, amount, fee): | |||||
| """ | |||||
| Create&broadcast a zero-priority transaction. | |||||
| Returns (txid, hex-encoded-txdata) | |||||
| Ensures transaction is zero-priority by first creating a send-to-self, | |||||
| then using its output | |||||
| """ | |||||
| # Create a send-to-self with confirmed inputs: | |||||
| self_address = from_node.getnewaddress() | |||||
| (total_in, inputs) = gather_inputs(from_node, amount + fee * 2) | |||||
| outputs = make_change(from_node, total_in, amount + fee, fee) | |||||
| outputs[self_address] = float(amount + fee) | |||||
| self_rawtx = from_node.createrawtransaction(inputs, outputs) | |||||
| self_signresult = from_node.signrawtransactionwithwallet(self_rawtx) | |||||
| self_txid = from_node.sendrawtransaction(self_signresult["hex"], True) | |||||
| vout = find_output(from_node, self_txid, amount + fee) | |||||
| # Now immediately spend the output to create a 1-input, 1-output | |||||
| # zero-priority transaction: | |||||
| inputs = [{"txid": self_txid, "vout": vout}] | |||||
| outputs = {to_node.getnewaddress(): float(amount)} | |||||
| rawtx = from_node.createrawtransaction(inputs, outputs) | |||||
| signresult = from_node.signrawtransactionwithwallet(rawtx) | |||||
| txid = from_node.sendrawtransaction(signresult["hex"], True) | |||||
| return (txid, signresult["hex"]) | |||||
| def random_zeropri_transaction(nodes, amount, min_fee, fee_increment, fee_variants): | |||||
| """ | |||||
| Create a random zero-priority transaction. | |||||
| Returns (txid, hex-encoded-transaction-data, fee) | |||||
| """ | |||||
| from_node = random.choice(nodes) | |||||
| to_node = random.choice(nodes) | |||||
| fee = min_fee + fee_increment * random.randint(0, fee_variants) | |||||
| (txid, txhex) = send_zeropri_transaction(from_node, to_node, amount, fee) | |||||
| return (txid, txhex, fee) | |||||
| def random_transaction(nodes, amount, min_fee, fee_increment, fee_variants): | def random_transaction(nodes, amount, min_fee, fee_increment, fee_variants): | ||||
| """ | """ | ||||
| Create a random transaction. | Create a random transaction. | ||||
| Returns (txid, hex-encoded-transaction-data, fee) | Returns (txid, hex-encoded-transaction-data, fee) | ||||
| """ | """ | ||||
| from_node = random.choice(nodes) | from_node = random.choice(nodes) | ||||
| to_node = random.choice(nodes) | to_node = random.choice(nodes) | ||||
| fee = min_fee + fee_increment * random.randint(0, fee_variants) | fee = min_fee + fee_increment * random.randint(0, fee_variants) | ||||
| ▲ Show 20 Lines • Show All 78 Lines • Show Last 20 Lines | |||||