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channeld: Use the chainparams to check msatoshi and funding_satoshi

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This commit is contained in:
Christian Decker 2018-09-06 18:50:09 +02:00
parent 2402c524cc
commit 0128bc7362
3 changed files with 8 additions and 6 deletions
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2
channeld/full_channel.c
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@ -363,7 +363,7 @@ static enum channel_add_err add_htlc(struct channel *channel,
* - for channels with `chain_hash` identifying the Bitcoin blockchain:
* - MUST set the four most significant bytes of `amount_msat` to 0.
*/
if (htlc->msatoshi & 0xFFFFFFFF00000000ULL) {
if (htlc->msatoshi > channel->chainparams->max_payment_msat) {
return CHANNEL_ERR_MAX_HTLC_VALUE_EXCEEDED;
}

5
lightningd/opening_control.c
View File

@ -766,6 +766,7 @@ static void json_fund_channel(struct command *cmd,
struct channel *channel;
u32 *feerate_per_kw;
u8 *msg;
u64 max_funding_satoshi = get_chainparams(cmd->ld)->max_funding_satoshi;
fc->cmd = cmd;
fc->uc = NULL;
@ -777,7 +778,7 @@ static void json_fund_channel(struct command *cmd,
NULL))
return;
if (!json_tok_wtx(&fc->wtx, buffer, sattok, MAX_FUNDING_SATOSHI))
if (!json_tok_wtx(&fc->wtx, buffer, sattok, max_funding_satoshi))
return;
if (!feerate_per_kw) {
@ -820,7 +821,7 @@ static void json_fund_channel(struct command *cmd,
BITCOIN_SCRIPTPUBKEY_P2WSH_LEN))
return;
assert(fc->wtx.amount <= MAX_FUNDING_SATOSHI);
assert(fc->wtx.amount <= max_funding_satoshi);
peer->uncommitted_channel->fc = tal_steal(peer->uncommitted_channel, fc);
fc->uc = peer->uncommitted_channel;

7
openingd/openingd.c
View File

@ -353,9 +353,10 @@ static u8 *funder_channel(struct state *state,
temporary_channel_id(&state->channel_id);
if (state->funding_satoshis > MAX_FUNDING_SATOSHI)
if (state->funding_satoshis > state->chainparams->max_funding_satoshi)
status_failed(STATUS_FAIL_MASTER_IO,
"funding_satoshis must be < 2^24, not %"PRIu64,
"funding_satoshis must be < %"PRIu64", not %"PRIu64,
state->chainparams->max_funding_satoshi,
state->funding_satoshis);
/* BOLT #2:
@ -722,7 +723,7 @@ static u8 *fundee_channel(struct state *state, const u8 *open_channel_msg)
*
* The receiving node ... MUST fail the channel if `funding-satoshis`
* is greater than or equal to 2^24 */
if (state->funding_satoshis > MAX_FUNDING_SATOSHI) {
if (state->funding_satoshis > state->chainparams->max_funding_satoshi) {
negotiation_failed(state, false,
"funding_satoshis %"PRIu64" too large",
state->funding_satoshis);