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Error when the wrong spend key is used to sign a transaction

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Moves decoy selection to being the last step in the multisig process so 
the RPC is only polled to continue valid transactions.
This commit is contained in:
Luke Parker
2022-06-09 04:05:57 -04:00
parent 27751d8d98
commit d611300adb
2 changed files with 33 additions and 20 deletions
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9
coins/monero/src/wallet/send/mod.rs
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@@ -87,6 +87,8 @@ pub enum TransactionError {
NotEnoughFunds(u64, u64),
#[error("invalid address")]
InvalidAddress,
#[error("wrong spend private key")]
WrongPrivateKey,
#[error("rpc error ({0})")]
RpcError(RpcError),
#[error("clsag error ({0})")]
@@ -282,7 +284,12 @@ impl SignableTransaction {
) -> Result<Transaction, TransactionError> {
let mut images = Vec::with_capacity(self.inputs.len());
for input in &self.inputs {
images.push(generate_key_image(&(spend + input.key_offset)));
let offset = spend + input.key_offset;
if (&offset * &ED25519_BASEPOINT_TABLE) != input.key {
Err(TransactionError::WrongPrivateKey)?;
}
images.push(generate_key_image(&offset));
}
images.sort_by(key_image_sort);