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Move amount_decryption into EncryptedAmount::decrypt

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This commit is contained in:
Luke Parker
2024-04-22 01:36:43 -04:00
parent d2a27dc1e5
commit a1d1de0c9c
4 changed files with 32 additions and 30 deletions
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10
coins/monero/src/wallet/scan.rs
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@@ -17,9 +17,7 @@ use crate::{
transaction::{Input, Timelock, Transaction},
block::Block,
rpc::{RpcError, RpcConnection, Rpc},
wallet::{
PaymentId, Extra, address::SubaddressIndex, Scanner, uniqueness, shared_key, amount_decryption,
},
wallet::{PaymentId, Extra, address::SubaddressIndex, Scanner, uniqueness, shared_key},
};
/// An absolute output ID, defined as its transaction hash and output index.
@@ -427,15 +425,13 @@ impl Scanner {
commitment.amount = amount;
// Regular transaction
} else {
let (mask, amount) = match tx.rct_signatures.base.encrypted_amounts.get(o) {
Some(amount) => amount_decryption(amount, shared_key),
commitment = match tx.rct_signatures.base.encrypted_amounts.get(o) {
Some(amount) => amount.decrypt(shared_key),
// This should never happen, yet it may be possible with miner transactions?
// Using get just decreases the possibility of a panic and lets us move on in that case
None => break,
};
// Rebuild the commitment to verify it
commitment = Commitment::new(mask, amount);
// If this is a malicious commitment, move to the next output
// Any other R value will calculate to a different spend key and are therefore ignorable
if Some(&commitment.calculate()) != tx.rct_signatures.base.commitments.get(o) {