Print First Shelley Blocks

This example prints the first 14 blocks of the Shelley era:

import ogmios

NETWORK = "preprod"

if NETWORK == "mainnet":
    last_byron_block = ogmios.Point(
        slot=4492799, id="f8084c61b6a238acec985b59310b6ecec49c0ab8352249afd7268da5cff2a457"
    )
elif NETWORK == "preprod":
    last_byron_block = ogmios.Point(
        slot=84242, id="45899e8002b27df291e09188bfe3aeb5397ac03546a7d0ead93aa2500860f1af"
    )
else:
    print("Invalid network. Please set NETWORK to 'mainnet' or 'preprod'.")
    exit(1)


with ogmios.Client() as client:
    # Set chain pointer to origin
    try:
        point, tip, id = client.find_intersection.execute([last_byron_block])
    except ogmios.ResponseError:
        print("Intersection not found. Make sure you're connected to the proper network.")
        return

    blocks_printed = 0
    while True:
        direction, tip, point, id = client.next_block.execute()
        if direction.value == "forward":
            blocks_printed += 1
            print(f"Shelley block #{blocks_printed}: {point}")
            if blocks_printed >= 14:
                break

Example output:

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