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amount: helper method for adding sats to an msat amount

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see title.
This commit is contained in:
lisa neigut
2019-09-18 19:04:17 -05:00
committed by Rusty Russell
parent b0c9059602
commit 82c49db841
2 changed files with 15 additions and 0 deletions
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12
common/amount.c
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@@ -283,6 +283,18 @@ WARN_UNUSED_RESULT bool amount_sat_sub_msat(struct amount_msat *val,
return amount_msat_sub(val, msata, b); return amount_msat_sub(val, msata, b);
} }
WARN_UNUSED_RESULT bool amount_msat_add_sat(struct amount_msat *val,
struct amount_msat a,
struct amount_sat b)
{
struct amount_msat msatb;
if (!amount_sat_to_msat(&msatb, b))
return false;
return amount_msat_add(val, a, msatb);
}
bool amount_sat_eq(struct amount_sat a, struct amount_sat b) bool amount_sat_eq(struct amount_sat a, struct amount_sat b)
{ {
return a.satoshis == b.satoshis; return a.satoshis == b.satoshis;

3
common/amount.h
View File

@@ -70,6 +70,9 @@ WARN_UNUSED_RESULT bool amount_sat_sub(struct amount_sat *val,
WARN_UNUSED_RESULT bool amount_msat_sub_sat(struct amount_msat *val, WARN_UNUSED_RESULT bool amount_msat_sub_sat(struct amount_msat *val,
struct amount_msat a, struct amount_msat a,
struct amount_sat b); struct amount_sat b);
WARN_UNUSED_RESULT bool amount_msat_add_sat(struct amount_msat *val,
struct amount_msat a,
struct amount_sat b);
WARN_UNUSED_RESULT bool amount_sat_sub_msat(struct amount_msat *val, WARN_UNUSED_RESULT bool amount_sat_sub_msat(struct amount_msat *val,
struct amount_sat a, struct amount_sat a,
struct amount_msat b); struct amount_msat b);