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invoice: invert check to reduce indentation.

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Instead of doing command_fail() in the else, do it immediately then
unindent the normal path.

No code changes.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2022-11-09 12:00:10 +10:30 committed by Christian Decker
parent 5becfa6ee1
commit 85cb302b65
1 changed files with 61 additions and 62 deletions
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17
lightningd/invoice.c
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@ -1701,17 +1701,20 @@ static struct command_result *json_createinvoice(struct command *cmd,
} else {
struct tlv_invoice *inv;
struct sha256 *local_offer_id;
inv = invoice_decode_nosig(cmd, invstring, strlen(invstring),
cmd->ld->our_features, chainparams,
&fail);
if (inv) {
char *b12enc;
struct amount_msat msat;
const char *desc;
u32 expiry;
enum offer_status status;
inv = invoice_decode_nosig(cmd, invstring, strlen(invstring),
cmd->ld->our_features, chainparams,
&fail);
if (!inv)
return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
"Unparsable invoice '%s': %s",
invstring, fail);
if (inv->signature)
return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
"invoice already signed");
@ -1766,10 +1769,6 @@ static struct command_result *json_createinvoice(struct command *cmd,
notify_invoice_creation(cmd->ld,
inv->amount ? &msat : NULL,
*preimage, label);
} else
return command_fail(cmd, JSONRPC2_INVALID_PARAMS,
"Unparsable invoice '%s': %s",
invstring, fail);
}
response = json_stream_success(cmd);