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pay: allow 'null' msatoshi field.

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Since most callers use positional arguments, we should allow a 'null'
literal where we require no value at all.

Also adds some more value tests.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2018-01-13 21:50:38 +10:30
parent e83f8594c9
commit 78adf0b673
2 changed files with 10 additions and 1 deletions
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2
lightningd/pay.c
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@ -444,7 +444,7 @@ static void json_pay(struct command *cmd,
if (b11->msatoshi) {
msatoshi = *b11->msatoshi;
if (msatoshitok) {
if (msatoshitok && !json_tok_is_null(buffer, msatoshitok)) {
command_fail(cmd, "msatoshi parameter unnecessary");
return;
}

9
tests/test_lightningd.py
View File

@ -744,6 +744,12 @@ class LightningDTests(BaseLightningDTests):
l1.rpc.pay(inv)
assert l2.rpc.listinvoice('test_pay')[0]['complete'] == True
# Repeat payments are NOPs (if valid): we can hand null.
l1.rpc.pay(inv, None)
# This won't work: can't provide an amount (even if correct!)
self.assertRaises(ValueError, l1.rpc.pay, inv, 123000)
self.assertRaises(ValueError, l1.rpc.pay, inv, 122000)
# Check pay_index is not null
outputs = l2.db_query('SELECT pay_index IS NOT NULL AS q FROM invoices WHERE label="label";')
assert len(outputs) == 1 and outputs[0]['q'] != 0
@ -752,6 +758,9 @@ class LightningDTests(BaseLightningDTests):
for i in range(5):
label = "any{}".format(i)
inv = l2.rpc.invoice("any", label, 'description')['bolt11']
# Must provide an amount!
self.assertRaises(ValueError, l1.rpc.pay, inv)
self.assertRaises(ValueError, l1.rpc.pay, inv, None)
l1.rpc.pay(inv, random.randint(1000, 999999))
def test_bad_opening(self):