Python ChainManager.get_block_by_number Beispiele

Beispiel #1

def main():
    persistent_state = State()
    chain_manager = ChainManager(state=persistent_state)
    chain_manager.load(GenesisBlock())

    ph = PoWHelper()
    difficulty = StringToUInt256('5000')

    filename = os.path.expanduser(
        "~/crypto/qryptonight/modeling/blockdata.csv")

    with open(filename, 'w') as f:
        f.write("i,timestamp,prev_timestamp,delta,difficulty,target\n")
        prev_timestamp = None
        for i in range(chain_manager.height):
            block = chain_manager.get_block_by_number(i)

            if i == 0:
                prev_timestamp = block.blockheader.timestamp
                continue

            target = ph.getTarget(difficulty)
            delta = block.blockheader.timestamp - prev_timestamp

            outs = "{},{},{},{},{},{}\n".format(i, block.blockheader.timestamp,
                                                prev_timestamp, delta,
                                                UInt256ToString(difficulty),
                                                UInt256ToString(target))

            f.write(outs)

            difficulty = ph.getDifficulty(block.blockheader.timestamp,
                                          prev_timestamp, difficulty)
            difficulty = StringToUInt256(
                str(max(2, int(UInt256ToString(difficulty)))))
            prev_timestamp = block.blockheader.timestamp

Beispiel #2

Datei: extract_timing.py Projekt: som-dev/QRL

persistent_state = State()
chain_manager = ChainManager(state=persistent_state)
chain_manager.load(GenesisBlock())

ph = PoWHelper()
difficulty = StringToUInt256('5000')
delta = 0

filename = os.path.expanduser("~/crypto/qryptonight/modeling/blockdata.csv")

with open(filename, 'w') as f:
    f.write("i,timestamp,prev_timestamp,delta,difficulty,target\n")
    prev_timestamp = None
    for i in range(chain_manager.height):
        block = chain_manager.get_block_by_number(i)

        if i == 0:
            prev_timestamp = block.blockheader.timestamp
            continue

        target = ph.getTarget(difficulty)
        delta = block.blockheader.timestamp - prev_timestamp

        outs = "{},{},{},{},{},{}\n".format(i, block.blockheader.timestamp,
                                            prev_timestamp, delta,
                                            UInt256ToString(difficulty),
                                            UInt256ToString(target))

        f.write(outs)

Beispiel #3

Datei: extract_timing.py Projekt: fanff/QRL

persistent_state = State()
chain_manager = ChainManager(state=persistent_state)
chain_manager.load(GenesisBlock())

ph = PoWHelper()
difficulty = StringToUInt256('5000')
delta = 0

filename = os.path.expanduser("~/crypto/qryptonight/modeling/blockdata.csv")

with open(filename, 'w') as f:
    f.write("i,timestamp,prev_timestamp,delta,difficulty,boundary\n")
    prev_timestamp = None
    for i in range(chain_manager.height):
        block = chain_manager.get_block_by_number(i)

        if i == 0:
            prev_timestamp = block.blockheader.timestamp
            continue

        boundary = ph.getBoundary(difficulty)
        delta = block.blockheader.timestamp - prev_timestamp

        outs = "{},{},{},{},{},{}\n".format(i,
                                            block.blockheader.timestamp,
                                            prev_timestamp,
                                            delta,
                                            UInt256ToString(difficulty),
                                            UInt256ToString(boundary))