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Add section documenting the safety of txindex upon reorganizations

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This commit is contained in:
Luke Parker
2024-09-11 11:58:27 -04:00
parent 9b8c8f8231
commit 3ac0265f07
2 changed files with 32 additions and 6 deletions
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8
processor/bitcoin/src/scan.rs
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@@ -16,7 +16,7 @@ use serai_client::networks::bitcoin::Address;
use serai_db::Get;
use primitives::OutputType;
use crate::{db, hash_bytes};
use crate::hash_bytes;
const KEY_DST: &[u8] = b"Serai Bitcoin Processor Key Offset";
static BRANCH_BASE_OFFSET: LazyLock<<Secp256k1 as Ciphersuite>::F> =
@@ -62,9 +62,9 @@ pub(crate) fn presumed_origin(getter: &impl Get, tx: &Transaction) -> Option<Add
for input in &tx.input {
let txid = hash_bytes(input.previous_output.txid.to_raw_hash());
let vout = input.previous_output.vout;
if let Some(address) = Address::new(ScriptBuf::from_bytes(
db::ScriptPubKey::get(getter, txid, vout).expect("unknown output being spent by input"),
)) {
if let Some(address) =
Address::new(crate::txindex::script_pubkey_for_on_chain_output(getter, txid, vout))
{
return Some(address);
}
}