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Implement blockchain.transaction.id_from_pos RPC (#836)

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Co-authored-by: Roman Zeyde <me@romanzey.de>
This commit is contained in:
Eshaan Aggarwal 2023-02-03 16:03:58 +05:30 • committed by GitHub
parent 432d22b1f1
commit 005f015781
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1 changed files with 27 additions and 0 deletions
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27
src/electrum.rs
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@ -410,6 +410,28 @@ impl Rpc {
}
}
fn transaction_from_pos(
&self,
(height, tx_pos, merkle): (usize, usize, bool),
) -> Result<Value> {
let chain = self.tracker.chain();
let blockhash = match chain.get_block_hash(height) {
None => bail!("missing block at {}", height),
Some(blockhash) => blockhash,
};
let txids = self.daemon.get_block_txids(blockhash)?;
if tx_pos >= txids.len() {
bail!("invalid tx_pos {} in block at height {}", tx_pos, height);
}
let txid: Txid = txids[tx_pos];
if merkle {
let proof = Proof::create(&txids, tx_pos);
Ok(json!({"tx_id": txid, "merkle": proof.to_hex()}))
} else {
Ok(json!({ "tx_id": txid }))
}
}
fn get_fee_histogram(&self) -> Result<Value> {
Ok(json!(self.tracker.fees_histogram()))
}
@ -545,6 +567,7 @@ impl Rpc {
Params::TransactionBroadcast(args) => self.transaction_broadcast(args),
Params::TransactionGet(args) => self.transaction_get(args),
Params::TransactionGetMerkle(args) => self.transaction_get_merkle(args),
Params::TransactionFromPosition(args) => self.transaction_from_pos(*args),
Params::Version(args) => self.version(args),
};
call.response(result)
@ -573,6 +596,7 @@ enum Params {
ScriptHashUnsubscribe((ScriptHash,)),
TransactionGet(TxGetArgs),
TransactionGetMerkle((Txid, usize)),
TransactionFromPosition((usize, usize, bool)),
Version((String, Version)),
}
@ -592,6 +616,9 @@ impl Params {
"blockchain.transaction.broadcast" => Params::TransactionBroadcast(convert(params)?),
"blockchain.transaction.get" => Params::TransactionGet(convert(params)?),
"blockchain.transaction.get_merkle" => Params::TransactionGetMerkle(convert(params)?),
"blockchain.transaction.id_from_pos" => {
Params::TransactionFromPosition(convert(params)?)
}
"mempool.get_fee_histogram" => Params::MempoolFeeHistogram,
"server.banner" => Params::Banner,
"server.donation_address" => Params::Donation,