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paymod: Update the route constraints as we apply routes and mods

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These are primarily the fee and cltv constraints that we need to keep up to
date in order to give modifiers a correct view of what is and what isn't
allowed.
This commit is contained in:
Christian Decker
2020-06-04 15:44:19 +02:00
parent 935578e567
commit 215a0ada8b
3 changed files with 80 additions and 30 deletions
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6
plugins/pay.c
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@@ -1908,14 +1908,16 @@ static struct command_result *json_paymod(struct command *cmd,
p->invoice = tal_steal(p, b11);
p->bolt11 = tal_steal(p, b11str);
p->why = "Initial attempt";
p->cltv_budget = *maxdelay;
p->constraints.cltv_budget = *maxdelay;
if (!amount_msat_fee(&p->fee_budget, p->amount, 0, *maxfee_pct_millionths)) {
if (!amount_msat_fee(&p->constraints.fee_budget, p->amount, 0,
*maxfee_pct_millionths / 100)) {
tal_free(p);
return command_fail(
cmd, JSONRPC2_INVALID_PARAMS,
"Overflow when computing fee budget, fee rate too high.");
}
p->constraints.cltv_budget = *maxdelay;
payment_mod_exemptfee_get_data(p)->amount = *exemptfee;