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What I did
Add a block iterator to allow simple loops looking at the latest block.
How I did it
chain.new_blocks()
returns an iterator that pollseth_getBlock
and yields new blocks as they arrive. You can set a buffer to getlatest-n
blocks and avoid chain reorgs, and a polling interval to avoid over-frequent requests.This is a naive implementation and should be replaced with
eth_subscribe
at some point in the future.