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7ef2f4d7fb
For example: ``` $ ./devtools/features 80008008226aa2 option_data_loss_protect/odd (optional) option_upfront_shutdown_script/odd (optional) option_gossip_queries/odd (optional) option_var_onion_optin/odd (optional) option_gossip_queries_ex/odd (optional) option_static_remotekey/odd (optional) option_payment_secret/even (compulsory) option_basic_mpp/odd (optional) option_anchor_outputs/odd (optional) option_shutdown_anysegwit/odd (optional) option_onion_messages/odd (optional) option_unknown_54/odd (optional) ``` Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
29 lines
624 B
C
29 lines
624 B
C
/* Turns a hex string into feature. */
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#include "config.h"
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#include <ccan/err/err.h>
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#include <common/features.h>
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#include <common/utils.h>
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#include <stdio.h>
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int main(int argc, char *argv[])
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{
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const u8 *features;
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setup_locale();
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if (argc != 2)
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errx(1, "Usage: %s <hexstring>", argv[0]);
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features = tal_hexdata(NULL, argv[1], strlen(argv[1]));
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if (!features)
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errx(1, "bad hexstring");
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for (size_t i = 0; i < tal_bytelen(features) * 8; i++) {
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if (feature_is_set(features, i))
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printf("%s (%s)\n",
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feature_name(features, i),
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i % 2 ? "optional" : "compulsory");
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}
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tal_free(features);
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}
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