eth_newFilter
Creates a filter object, based on filter options, to notify when the state changes (logs).
Params
(1)1. Filter (required)
fromBlock
stringMatch pattern:
^0x([1-9a-f]+[0-9a-f]*|0)$
toBlock
stringMatch pattern:
^0x([1-9a-f]+[0-9a-f]*|0)$
address
topics
Result
(Filter Identifier)string
Match pattern:
^0x([1-9a-f]+[0-9a-f]*|0)$