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Remove txid normalization.

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Since any transaction with all segregated-witness inputs is non-malleable,
and all our transactions are that, we can remove normalized txids.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2016-04-24 20:01:52 +09:30
parent 7ac29241ee
commit f24b73124a
6 changed files with 3 additions and 29 deletions
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17
daemon/bitcoind.c
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@@ -414,23 +414,6 @@ void bitcoind_getblockhash_(struct lightningd_state *dstate,
"getblockhash", str, NULL);
}
/* FIXME: Seg witness removes need for this! */
void normalized_txid(const struct bitcoin_tx *tx, struct sha256_double *txid)
{
size_t i;
struct bitcoin_tx tx_copy = *tx;
struct bitcoin_tx_input input_copy[tx->input_count];
/* Copy inputs, but scripts are 0 length. */
for (i = 0; i < tx_copy.input_count; i++) {
input_copy[i] = tx->input[i];
input_copy[i].script_length = 0;
}
tx_copy.input = input_copy;
bitcoin_txid(&tx_copy, txid);
}
/* Make testnet/regtest status matches us. */
void check_bitcoind_config(struct lightningd_state *dstate)
{