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amount: add 'is_zero' helper

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convenience, mostly
This commit is contained in:
niftynei
2021-06-08 15:37:49 -05:00
committed by neil saitug
parent 3ae64efbe4
commit b1982f04be
5 changed files with 16 additions and 8 deletions
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6
plugins/funder_policy.c
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@@ -220,7 +220,7 @@ calculate_our_funding(struct funder_policy *policy,
/* Figure out amount of actual headroom we have */
if (!amount_sat_sub(&avail_channel_space, channel_max, their_funding)
|| amount_sat_eq(avail_channel_space, AMOUNT_SAT(0))) {
|| amount_sat_zero(avail_channel_space)) {
*our_funding = AMOUNT_SAT(0);
return tal_fmt(tmpctx, "No space available in channel."
" channel_max %s, their_funding %s",
@@ -234,7 +234,7 @@ calculate_our_funding(struct funder_policy *policy,
* 'reserve_tank' */
if (!amount_sat_sub(&net_available_funds, available_funds,
policy->reserve_tank)
|| amount_sat_eq(net_available_funds, AMOUNT_SAT(0))) {
|| amount_sat_zero(net_available_funds)) {
*our_funding = AMOUNT_SAT(0);
return tal_fmt(tmpctx, "Reserve tank too low."
" available_funds %s, reserve_tank requires %s",
@@ -272,7 +272,7 @@ calculate_our_funding(struct funder_policy *policy,
*our_funding = apply_policy(policy, their_funding, available_funds);
/* Don't return an 'error' if we're already at 0 */
if (amount_sat_eq(*our_funding, AMOUNT_SAT(0)))
if (amount_sat_zero(*our_funding))
return NULL;
/* our_funding is probably sane, so let's fuzz this amount a bit */