Python enable_pow_mining Examples

Example #1

File: test_chain_construction.py Project: cd4761/ecc-trinity

def test_chain_builder_enable_pow_mining():
    chain = build(
        MiningChain,
        frontier_at(0),
        enable_pow_mining(),
        genesis(),
    )
    block = chain.mine_block()
    check_eccpow(block.header.parent_hash, block.header.mining_hash, 24, 3, 6)

Example #2

File: test_chain_construction.py Project: marcgarreau/py-evm

def test_chain_builder_enable_pow_mining():
    chain = build(
        MiningChain,
        frontier_at(0),
        enable_pow_mining(),
        genesis(),
    )
    block = chain.mine_block()
    check_pow(
        block.number,
        block.header.mining_hash,
        block.header.mix_hash,
        block.header.nonce,
        block.header.difficulty,
    )

Example #3

def load_mining_chain(db):
    GENESIS_PARAMS = {
        'coinbase': constants.ZERO_ADDRESS,
        'difficulty': 5,
        'gas_limit': 3141592,
        'timestamp': 1514764800,
    }

    GENESIS_STATE = {
        FUNDED_ACCT.public_key.to_canonical_address(): {
            "balance": 100000000000000000,
        }
    }

    return build(
        FakeAsyncChain,
        byzantium_at(0),
        enable_pow_mining(),
        genesis(db=db, params=GENESIS_PARAMS, state=GENESIS_STATE),
    )

Example #4

File: integration_test_helpers.py Project: wangroot/trinity

def load_mining_chain(db, *chain_builder_fns):
    GENESIS_PARAMS = {
        'coinbase': ZERO_ADDRESS,
        'difficulty': 5,
        'gas_limit': 3141592,
        'timestamp': 1514764800,
    }

    GENESIS_STATE = {
        FUNDED_ACCT.public_key.to_canonical_address(): {
            "balance": 100000000000000000,
        }
    }

    chain_builder_fns = (latest_mainnet_at(0),) if not chain_builder_fns else chain_builder_fns

    return build(
        AsyncMiningChain,
        *chain_builder_fns,
        enable_pow_mining(),
        genesis(db=db, params=GENESIS_PARAMS, state=GENESIS_STATE),
    )