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Improve error reporting on signature verification

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Franck Royer 2021-01-07 14:44:31 +11:00
parent ef906876a0
commit 047f990d05
No known key found for this signature in database
GPG Key ID: A82ED75A8DFC50A4
1 changed files with 5 additions and 3 deletions
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8
swap/src/protocol/alice/state.rs
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@ -1,4 +1,4 @@
use anyhow::{anyhow, Result}; use anyhow::{anyhow, Context, Result};
use ecdsa_fun::{ use ecdsa_fun::{
adaptor::{Adaptor, EncryptedSignature}, adaptor::{Adaptor, EncryptedSignature},
nonce::Deterministic, nonce::Deterministic,
@ -254,10 +254,12 @@ impl State2 {
pub fn receive(self, msg: bob::Message2) -> Result<State3> { pub fn receive(self, msg: bob::Message2) -> Result<State3> {
let tx_cancel = let tx_cancel =
bitcoin::TxCancel::new(&self.tx_lock, self.cancel_timelock, self.a.public(), self.B); bitcoin::TxCancel::new(&self.tx_lock, self.cancel_timelock, self.a.public(), self.B);
bitcoin::verify_sig(&self.B, &tx_cancel.digest(), &msg.tx_cancel_sig)?; bitcoin::verify_sig(&self.B, &tx_cancel.digest(), &msg.tx_cancel_sig)
.context("Failed to verify cancel transaction")?;
let tx_punish = let tx_punish =
bitcoin::TxPunish::new(&tx_cancel, &self.punish_address, self.punish_timelock); bitcoin::TxPunish::new(&tx_cancel, &self.punish_address, self.punish_timelock);
bitcoin::verify_sig(&self.B, &tx_punish.digest(), &msg.tx_punish_sig)?; bitcoin::verify_sig(&self.B, &tx_punish.digest(), &msg.tx_punish_sig)
.context("Failed to verify Punish Transaction")?;
Ok(State3 { Ok(State3 {
a: self.a, a: self.a,