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test/functional/abc_mining_basic.py
- This file was added.
| Property | Old Value | New Value |
|---|---|---|
| File Mode | null | 100755 |
| #!/usr/bin/env python3 | |||||
| # Copyright (c) 2020 The Bitcoin developers | |||||
| # Distributed under the MIT software license, see the accompanying | |||||
| # file COPYING or http://www.opensource.org/licenses/mit-license.php. | |||||
| """ | |||||
| Tests for Bitcoin ABC mining RPCs | |||||
| """ | |||||
| from test_framework.blocktools import ( | |||||
| create_coinbase, | |||||
| TIME_GENESIS_BLOCK, | |||||
| ) | |||||
| from test_framework.messages import ( | |||||
| CBlock, | |||||
| ) | |||||
| from test_framework.test_framework import BitcoinTestFramework | |||||
| from test_framework.util import ( | |||||
| assert_equal, | |||||
| assert_raises_rpc_error, | |||||
| connect_nodes, | |||||
| ) | |||||
| class AbcMiningBasicTest(BitcoinTestFramework): | |||||
| def set_test_params(self): | |||||
| self.num_nodes = 2 | |||||
| self.setup_clean_chain = True | |||||
| def mine_chain(self): | |||||
| self.log.info('Create some old blocks') | |||||
| node = self.nodes[0] | |||||
| address = node.get_deterministic_priv_key().address | |||||
| for t in range(TIME_GENESIS_BLOCK, | |||||
| TIME_GENESIS_BLOCK + 200 * 600, 600): | |||||
| node.setmocktime(t) | |||||
| node.generatetoaddress(1, address) | |||||
| mining_info = node.getmininginfo() | |||||
| assert_equal(mining_info['blocks'], 200) | |||||
| assert_equal(mining_info['currentblocktx'], 0) | |||||
| self.restart_node(0) | |||||
| connect_nodes(self.nodes[0], self.nodes[1]) | |||||
| def run_test(self): | |||||
| self.mine_chain() | |||||
| node = self.nodes[0] | |||||
| # Mine a block to leave initial block download | |||||
| node.generatetoaddress(1, node.get_deterministic_priv_key().address) | |||||
| # Get a block template and solve a block from it | |||||
| blockTemplate = node.getblocktemplate() | |||||
| next_height = int(blockTemplate["height"]) | |||||
| coinbase_tx = create_coinbase(height=next_height) | |||||
| coinbase_tx.rehash() | |||||
| block = CBlock() | |||||
| block.nVersion = blockTemplate["version"] | |||||
| block.hashPrevBlock = int(blockTemplate["previousblockhash"], 16) | |||||
| block.nTime = blockTemplate["curtime"] | |||||
| block.nBits = int(blockTemplate["bits"], 16) | |||||
| block.nNonce = 0 | |||||
| block.vtx = [coinbase_tx] | |||||
| block.hashMerkleRoot = block.calc_merkle_root() | |||||
| block.solve() | |||||
| def submitblocksolution(coinbase, nonce, templateId=0): | |||||
| return node.submitblocksolution({ | |||||
| "template": { | |||||
| "template_id": templateId, | |||||
| }, | |||||
| "header": { | |||||
| "coinbase": coinbase, | |||||
| "nonce": nonce, | |||||
| } | |||||
| }) | |||||
| # Submit some invalid solutions | |||||
| assert_raises_rpc_error(-8, "Block solution has invalid template object", | |||||
| lambda: node.submitblocksolution({})) | |||||
| assert_raises_rpc_error(-8, "Block solution has invalid header object", | |||||
| lambda: node.submitblocksolution({ | |||||
| "template": { | |||||
| "template_id": 0, | |||||
| }, | |||||
| })) | |||||
| assert_raises_rpc_error(-8, "Template IDs other that '0' are not yet supported", | |||||
| lambda: submitblocksolution(coinbase_tx.serialize().hex(), block.nNonce, templateId=1)) | |||||
| assert_raises_rpc_error(-8, "Template ID is expected to be a number", | |||||
| lambda: submitblocksolution(coinbase_tx.serialize().hex(), block.nNonce, templateId="invalid")) | |||||
| assert_raises_rpc_error(-8, "Block solution header expects coinbase to be a hex string", | |||||
| lambda: submitblocksolution(0xdeadbeef, block.nNonce)) | |||||
| assert_raises_rpc_error(-22, "Coinbase decode failed", | |||||
| lambda: submitblocksolution("invalid coinbase", block.nNonce)) | |||||
| assert_raises_rpc_error(-8, "Nonce is expected to be a number", | |||||
| lambda: submitblocksolution(coinbase_tx.serialize().hex(), "invalid nonce")) | |||||
| # Valid block solution | |||||
| submitblocksolution(coinbase_tx.serialize().hex(), block.nNonce) | |||||
| def chain_tip(blockHash, *, height, status='headers-only', branchlen=1): | |||||
| return {'hash': blockHash, 'height': height, | |||||
| 'branchlen': branchlen, 'status': status} | |||||
| assert chain_tip(block.hash, height=202) in node.getchaintips() | |||||
| if __name__ == '__main__': | |||||
| AbcMiningBasicTest().main() | |||||