Stub out RNG when fuzzing

[rust-lightning] / src / ln / channel.rs

diff --git a/src/ln/channel.rs b/src/ln/channel.rs
index 2b8b085a8e4f84979697d9df26fc7515fce2e112..3c32cd39b5d289c6967105a1ce2f0b1e7980352b 100644 (file)
--- a/src/ln/channel.rs
+++ b/src/ln/channel.rs
@@ -22,9 +22,7 @@ use ln::channelmanager::PendingForwardHTLCInfo;
 use ln::chan_utils::{TxCreationKeys,HTLCOutputInCommitment};
 use ln::chan_utils;
 use chain::chaininterface::{FeeEstimator,ConfirmationTarget};
-use util::transaction_utils;
-
-use rand::{thread_rng,Rng};
+use util::{transaction_utils,rng};
 
 use std::default::Default;
 use std::cmp;
@@ -274,12 +272,11 @@ impl Channel {
                        panic!("funding value > 2^24");
                }
 
-               let mut rng = thread_rng();
                let feerate = fee_estimator.get_est_sat_per_vbyte(ConfirmationTarget::Normal);
                let background_feerate = fee_estimator.get_est_sat_per_vbyte(ConfirmationTarget::Background);
 
                let mut key_seed = [0u8; 32];
-               rng.fill_bytes(&mut key_seed);
+               rng::fill_bytes(&mut key_seed);
                let chan_keys = match ChannelKeys::new_from_seed(&key_seed) {
                        Ok(key) => key,
                        Err(_) => panic!("RNG is busted!")
@@ -296,7 +293,7 @@ impl Channel {
                Channel {
                        user_id: user_id,
 
-                       channel_id: Uint256([rng.gen(), rng.gen(), rng.gen(), rng.gen()]),
+                       channel_id: rng::rand_uint256(),
                        channel_state: ChannelState::OurInitSent as u32,
                        channel_outbound: true,
                        secp_ctx: secp_ctx,
@@ -392,9 +389,8 @@ impl Channel {
 
                let background_feerate = fee_estimator.get_est_sat_per_vbyte(ConfirmationTarget::Background);
 
-               let mut rng = thread_rng();
                let mut key_seed = [0u8; 32];
-               rng.fill_bytes(&mut key_seed);
+               rng::fill_bytes(&mut key_seed);
                let chan_keys = match ChannelKeys::new_from_seed(&key_seed) {
                        Ok(key) => key,
                        Err(_) => panic!("RNG is busted!")