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Cleanup Comments & Fix get_pow_block_hash_at_ttd() (#2835)

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ethDreamer 2021-11-29 18:56:49 -06:00 committed by Paul Hauner
parent 1b56ebf85e
commit c2f2813385
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2 changed files with 16 additions and 41 deletions
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26
beacon_node/execution_layer/src/engine_api/http.rs
View File

@ -624,18 +624,6 @@ mod test {
.await
.with_preloaded_responses(
// engine_forkchoiceUpdatedV1 (prepare payload) RESPONSE validation
//
// NOTE THIS HAD TO BE MODIFIED FROM ORIGINAL RESPONSE
// {
// "jsonrpc":"2.0",
// "id":67,
// "result":{
// "status":"VALID", // <- This must be SUCCESS
// "payloadId":"0xa247243752eb10b4"
// }
// }
// see spec for engine_forkchoiceUpdatedV1 response:
// https://github.com/ethereum/execution-apis/blob/v1.0.0-alpha.4/src/engine/specification.md#response-1
vec![json!({
"id": STATIC_ID,
"jsonrpc": JSONRPC_VERSION,
@ -779,18 +767,6 @@ mod test {
.await
.with_preloaded_responses(
// engine_executePayloadV1 RESPONSE validation
//
// NOTE THIS HAD TO BE MODIFIED FROM ORIGINAL RESPONSE
// {
// "jsonrpc":"2.0",
// "id":67,
// "result":{
// "status":"SUCCESS", // <- This must be VALID
// "latestValidHash":"0x3559e851470f6e7bbed1db474980683e8c315bfce99b2a6ef47c057c04de7858"
// }
// }
// see spec for engine_executePayloadV1 response:
// https://github.com/ethereum/execution-apis/blob/v1.0.0-alpha.4/src/engine/specification.md#response
vec![json!({
"jsonrpc": JSONRPC_VERSION,
"id": STATIC_ID,
@ -852,7 +828,7 @@ mod test {
"id": STATIC_ID,
"result": {
"status":"SUCCESS",
"payloadId": serde_json::Value::Null
"payloadId": JSON_NULL,
}
})],
|client| async move {

31
beacon_node/execution_layer/src/lib.rs
View File

@ -530,24 +530,23 @@ impl ExecutionLayer {
// this implementation becomes canonical.
loop {
let block_reached_ttd = block.total_difficulty >= spec.terminal_total_difficulty;
if block_reached_ttd && block.parent_hash == Hash256::zero() {
return Ok(Some(block.block_hash));
} else if block.parent_hash == Hash256::zero() {
// The end of the chain has been reached without finding the TTD, there is no
// terminal block.
return Ok(None);
}
if block_reached_ttd {
if block.parent_hash == Hash256::zero() {
return Ok(Some(block.block_hash));
}
let parent = self
.get_pow_block(engine, block.parent_hash)
.await?
.ok_or(ApiError::ExecutionBlockNotFound(block.parent_hash))?;
let parent_reached_ttd = parent.total_difficulty >= spec.terminal_total_difficulty;
let parent = self
.get_pow_block(engine, block.parent_hash)
.await?
.ok_or(ApiError::ExecutionBlockNotFound(block.parent_hash))?;
let parent_reached_ttd = parent.total_difficulty >= spec.terminal_total_difficulty;
if block_reached_ttd && !parent_reached_ttd {
return Ok(Some(block.block_hash));
if block_reached_ttd && !parent_reached_ttd {
return Ok(Some(block.block_hash));
} else {
block = parent;
}
} else {
block = parent;
return Ok(None);
}
}
}