Actual no_std support

[rust-lightning] / lightning / src / chain / keysinterface.rs

diff --git a/lightning/src/chain/keysinterface.rs b/lightning/src/chain/keysinterface.rs
index 84d83196472142d4c4334dcba5bf2d1e0ffafb0b..7356dad8e40d64c353a80efa77b89e01c2fed7b8 100644 (file)
--- a/lightning/src/chain/keysinterface.rs
+++ b/lightning/src/chain/keysinterface.rs
@@ -38,9 +38,8 @@ use ln::chan_utils::{HTLCOutputInCommitment, make_funding_redeemscript, ChannelP
 use ln::msgs::UnsignedChannelAnnouncement;
 
 use prelude::*;
-use std::collections::HashSet;
 use core::sync::atomic::{AtomicUsize, Ordering};
-use std::io::Error;
+use io::{self, Error};
 use ln::msgs::{DecodeError, MAX_VALUE_MSAT};
 
 /// Information about a spendable output to a P2WSH script. See
@@ -74,14 +73,14 @@ impl DelayedPaymentOutputDescriptor {
 }
 
 impl_writeable_tlv_based!(DelayedPaymentOutputDescriptor, {
-       (0, outpoint),
-       (2, per_commitment_point),
-       (4, to_self_delay),
-       (6, output),
-       (8, revocation_pubkey),
-       (10, channel_keys_id),
-       (12, channel_value_satoshis),
-}, {}, {});
+       (0, outpoint, required),
+       (2, per_commitment_point, required),
+       (4, to_self_delay, required),
+       (6, output, required),
+       (8, revocation_pubkey, required),
+       (10, channel_keys_id, required),
+       (12, channel_value_satoshis, required),
+});
 
 /// Information about a spendable output to our "payment key". See
 /// SpendableOutputDescriptor::StaticPaymentOutput for more details on how to spend this.
@@ -105,11 +104,11 @@ impl StaticPaymentOutputDescriptor {
        pub const MAX_WITNESS_LENGTH: usize = 1 + 73 + 34;
 }
 impl_writeable_tlv_based!(StaticPaymentOutputDescriptor, {
-       (0, outpoint),
-       (2, output),
-       (4, channel_keys_id),
-       (6, channel_value_satoshis),
-}, {}, {});
+       (0, outpoint, required),
+       (2, output, required),
+       (4, channel_keys_id, required),
+       (6, channel_value_satoshis, required),
+});
 
 /// When on-chain outputs are created by rust-lightning (which our counterparty is not able to
 /// claim at any point in the future) an event is generated which you must track and be able to
@@ -170,9 +169,9 @@ pub enum SpendableOutputDescriptor {
 
 impl_writeable_tlv_based_enum!(SpendableOutputDescriptor,
        (0, StaticOutput) => {
-               (0, outpoint),
-               (2, output),
-       }, {}, {},
+               (0, outpoint, required),
+               (2, output, required),
+       },
 ;
        (1, DelayedPaymentOutput),
        (2, StaticPaymentOutput),
@@ -693,14 +692,14 @@ impl Writeable for InMemorySigner {
                self.channel_value_satoshis.write(writer)?;
                self.channel_keys_id.write(writer)?;
 
-               write_tlv_fields!(writer, {}, {});
+               write_tlv_fields!(writer, {});
 
                Ok(())
        }
 }
 
 impl Readable for InMemorySigner {
-       fn read<R: ::std::io::Read>(reader: &mut R) -> Result<Self, DecodeError> {
+       fn read<R: io::Read>(reader: &mut R) -> Result<Self, DecodeError> {
                let _ver = read_ver_prefix!(reader, SERIALIZATION_VERSION);
 
                let funding_key = Readable::read(reader)?;
@@ -718,7 +717,7 @@ impl Readable for InMemorySigner {
                                                             &htlc_base_key);
                let keys_id = Readable::read(reader)?;
 
-               read_tlv_fields!(reader, {}, {});
+               read_tlv_fields!(reader, {});
 
                Ok(InMemorySigner {
                        funding_key,
@@ -1040,7 +1039,7 @@ impl KeysInterface for KeysManager {
        }
 
        fn read_chan_signer(&self, reader: &[u8]) -> Result<Self::Signer, DecodeError> {
-               InMemorySigner::read(&mut std::io::Cursor::new(reader))
+               InMemorySigner::read(&mut io::Cursor::new(reader))
        }
 
        fn sign_invoice(&self, invoice_preimage: Vec<u8>) -> Result<RecoverableSignature, ()> {