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#include "wire.h"
#include <assert.h>
#include <ccan/crypto/ripemd160/ripemd160.h>
#include <ccan/crypto/siphash24/siphash24.h>
#include <ccan/endian/endian.h>
#include <ccan/mem/mem.h>
#include <ccan/tal/tal.h>
#include <common/amount.h>
#include <common/errcode.h>
#include <common/node_id.h>
#include <common/utils.h>
void towire(u8 **pptr, const void *data, size_t len)
{
size_t oldsize = tal_count(*pptr);
tal_resize(pptr, oldsize + len);
memcpy(*pptr + oldsize, memcheck(data, len), len);
}
void towire_u8(u8 **pptr, u8 v)
{
towire(pptr, &v, sizeof(v));
}
void towire_u16(u8 **pptr, u16 v)
{
be16 l = cpu_to_be16(v);
towire(pptr, &l, sizeof(l));
}
void towire_u32(u8 **pptr, u32 v)
{
be32 l = cpu_to_be32(v);
towire(pptr, &l, sizeof(l));
}
void towire_u64(u8 **pptr, u64 v)
{
be64 l = cpu_to_be64(v);
towire(pptr, &l, sizeof(l));
}
static void towire_tlv_uint(u8 **pptr, u64 v)
{
u8 bytes[8];
size_t num_zeroes;
be64 val;
val = cpu_to_be64(v);
BUILD_ASSERT(sizeof(val) == sizeof(bytes));
memcpy(bytes, &val, sizeof(bytes));
for (num_zeroes = 0; num_zeroes < sizeof(bytes); num_zeroes++)
if (bytes[num_zeroes] != 0)
break;
towire(pptr, bytes + num_zeroes, sizeof(bytes) - num_zeroes);
}
void towire_tu16(u8 **pptr, u16 v)
{
return towire_tlv_uint(pptr, v);
}
void towire_tu32(u8 **pptr, u32 v)
{
return towire_tlv_uint(pptr, v);
}
void towire_tu64(u8 **pptr, u64 v)
{
return towire_tlv_uint(pptr, v);
}
void towire_bool(u8 **pptr, bool v)
{
u8 val = v;
towire(pptr, &val, sizeof(val));
}
void towire_errcode_t(u8 **pptr, errcode_t v)
{
towire_u32(pptr, (u32)v);
}
void towire_secp256k1_ecdsa_signature(u8 **pptr,
const secp256k1_ecdsa_signature *sig)
{
u8 compact[64];
secp256k1_ecdsa_signature_serialize_compact(secp256k1_ctx,
compact, sig);
towire(pptr, compact, sizeof(compact));
}
void towire_secp256k1_ecdsa_recoverable_signature(u8 **pptr,
const secp256k1_ecdsa_recoverable_signature *rsig)
{
u8 compact[64];
int recid;
secp256k1_ecdsa_recoverable_signature_serialize_compact(secp256k1_ctx,
compact,
&recid,
rsig);
towire(pptr, compact, sizeof(compact));
towire_u8(pptr, recid);
}
void towire_sha256(u8 **pptr, const struct sha256 *sha256)
{
towire(pptr, sha256, sizeof(*sha256));
}
void towire_ripemd160(u8 **pptr, const struct ripemd160 *ripemd)
{
towire(pptr, ripemd, sizeof(*ripemd));
}
void towire_u8_array(u8 **pptr, const u8 *arr, size_t num)
{
towire(pptr, arr, num);
}
void towire_pad(u8 **pptr, size_t num)
{
/* Simply insert zeros. */
size_t oldsize = tal_count(*pptr);
tal_resize(pptr, oldsize + num);
memset(*pptr + oldsize, 0, num);
}
void towire_wirestring(u8 **pptr, const char *str)
{
towire(pptr, str, strlen(str) + 1);
}
void towire_siphash_seed(u8 **pptr, const struct siphash_seed *seed)
{
towire(pptr, seed, sizeof(*seed));
}