Create a stream filter — mc_create_stream_filter • multichainr

Creates a new stream filter on the blockchain. Stream filters are JavaScript programs that can be attached to streams to validate or transform items.

Usage

mc_create_stream_filter(conn, name, options, js_code)

Arguments

conn: A connection object created by mc_connect.
name: Character string. Name of the filter (must be unique).
options: List of filter options. Typically includes libraries (list of library names) that the filter depends on. Example: list(libraries = list("mylib")).
js_code: Character string. The JavaScript code for the filter.

Value

A list containing the result of the RPC call (usually transaction ID).

See also

mc_create_tx_filter, mc_list_stream_filters

Other filters: mc_approve_from(), mc_create_tx_filter(), mc_create_upgrade(), mc_get_filter_code(), mc_list_stream_filters(), mc_list_tx_filters(), mc_list_upgrades(), mc_run_stream_filter(), mc_run_tx_filter(), mc_test_stream_filter(), mc_test_tx_filter()

Examples

if (FALSE) { # \dontrun{
js_code <- "function filter(stream, item) { return true; }"
mc_create_stream_filter(conn, "myfilter", list(libraries = list()), js_code)
} # }