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57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
#ifndef LIGHTNING_COMMON_WIRE_ERROR_H
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#define LIGHTNING_COMMON_WIRE_ERROR_H
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#include "config.h"
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#include <ccan/compiler/compiler.h>
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#include <ccan/short_types/short_types.h>
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#include <ccan/tal/tal.h>
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#include <stdarg.h>
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struct channel_id;
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/**
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* towire_errorfmt - helper to turn string into WIRE_ERROR.
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*
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* @ctx: context to allocate from
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* @channel: specific channel to complain about, or NULL for all.
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* @fmt: format for error.
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*/
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u8 *towire_errorfmt(const tal_t *ctx,
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const struct channel_id *channel,
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const char *fmt, ...) PRINTF_FMT(3,4);
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/**
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* towire_errorfmtv - helper to turn string into WIRE_ERROR.
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*
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* @ctx: context to allocate from
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* @channel: specific channel to complain about, or NULL for all.
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* @fmt: format for error.
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* @ap: accumulated varargs.
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*/
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u8 *towire_errorfmtv(const tal_t *ctx,
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const struct channel_id *channel,
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const char *fmt,
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va_list ap);
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/* BOLT #1:
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*
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* A node receiving `error` MUST fail the channel referred to by the message,
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* or if `channel_id` is zero, it MUST fail all channels and MUST close the
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* connection.
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*/
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/**
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* channel_id_is_all - True if channel_id is all zeroes.
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*/
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bool channel_id_is_all(const struct channel_id *channel_id);
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/**
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* sanitize_error - extract and sanitize contents of WIRE_ERROR.
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*
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* @ctx: context to allocate from
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* @errmsg: the wire_error
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* @channel: (out) channel it's referrring to, or NULL if don't care.
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*/
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char *sanitize_error(const tal_t *ctx, const u8 *errmsg,
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struct channel_id *channel_id);
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#endif /* LIGHTNING_COMMON_WIRE_ERROR_H */
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