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Add sync verification for esplora

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This commit is contained in:
rajarshimaitra 2021-12-16 20:57:28 +05:30
parent 4761155707
commit acbf0ae08e
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GPG Key ID: 558ACE7DBB4377C8
2 changed files with 40 additions and 4 deletions
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22
src/blockchain/esplora/reqwest.rs
View File

@ -167,9 +167,27 @@ impl Blockchain for EsploraBlockchain {
.request() .request()
.map(|txid| { .map(|txid| {
let tx = tx_index.get(txid).expect("must be in index"); let tx = tx_index.get(txid).expect("must be in index");
(tx.previous_outputs(), tx.to_tx()) // Verify this transaction if requested via feature flag
#[cfg(feature = "verify")]
{
use crate::wallet::verify::VerifyError;
let prev_outs = tx.previous_outputs();
let tx_bytes = serialize(&tx.to_tx());
for (index, output) in prev_outs.iter().enumerate() {
if let Some(output) = output {
bitcoinconsensus::verify(
output.script_pubkey.to_bytes().as_ref(),
output.value,
&tx_bytes,
index,
)
.map_err(|e| VerifyError::from(e))?;
}
}
}
Ok((tx.previous_outputs(), tx.to_tx()))
}) })
.collect(); .collect::<Result<_, Error>>()?;
tx_req.satisfy(full_txs)? tx_req.satisfy(full_txs)?
} }
Request::Finish(batch_update) => break batch_update, Request::Finish(batch_update) => break batch_update,

22
src/blockchain/esplora/ureq.rs
View File

@ -166,9 +166,27 @@ impl Blockchain for EsploraBlockchain {
.request() .request()
.map(|txid| { .map(|txid| {
let tx = tx_index.get(txid).expect("must be in index"); let tx = tx_index.get(txid).expect("must be in index");
(tx.previous_outputs(), tx.to_tx()) // Verify this transaction if requested via feature flag
#[cfg(feature = "verify")]
{
use crate::wallet::verify::VerifyError;
let prev_outs = tx.previous_outputs();
let tx_bytes = serialize(&tx.to_tx());
for (index, output) in prev_outs.iter().enumerate() {
if let Some(output) = output {
bitcoinconsensus::verify(
output.script_pubkey.to_bytes().as_ref(),
output.value,
&tx_bytes,
index,
)
.map_err(|e| VerifyError::from(e))?;
}
}
}
Ok((tx.previous_outputs(), tx.to_tx()))
}) })
.collect(); .collect::<Result<_, Error>>()?;
tx_req.satisfy(full_txs)? tx_req.satisfy(full_txs)?
} }
Request::Finish(batch_update) => break batch_update, Request::Finish(batch_update) => break batch_update,