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fix: handle 0x prefix from execution client commit #7273
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## unstable #7273 +/- ##
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- Coverage 48.51% 48.50% -0.01%
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Files 600 600
Lines 40138 40138
Branches 2058 2057 -1
============================================
- Hits 19471 19470 -1
- Misses 20629 20630 +1
Partials 38 38 |
Performance Report✔️ no performance regression detected Full benchmark results
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const {code: executionCode, commit: executionCommit} = executionClientVersion; | ||
let {code: executionCode, commit: executionCommit} = executionClientVersion; | ||
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executionCommit = executionCommit.startsWith("0x") ? executionCommit.slice(2, 6) : executionCommit.slice(0, 4); |
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why is there are 0x prefix in the first place? I think our deserialization is not correct, we also don't serialize it correctly according to #7217
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commit
has the type DATA
as per https://github.com/ethereum/execution-apis/blob/main/src/engine/identification.md#clientversionv1
DATA
type must be prepended by 0x
as per https://github.com/ethereum/execution-apis/blob/main/src/engine/common.md#encoding
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we also don't serialize it correctly according to #7217
Yea will address it in a separate PR
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DATA type must be prepended by 0x as per https://github.com/ethereum/execution-apis/blob/main/src/engine/common.md#encoding
but isn't that the encoding in transit, e.g. see parentHash
for example, it's bytes internally but will be hex encoded in transit
parentHash: bytesToData(data.parentHash), |
see data conversion functions
lodestar/packages/beacon-node/src/eth1/provider/utils.ts
Lines 101 to 119 in 84e0699
export function bytesToData(bytes: Uint8Array): DATA { | |
return toHex(bytes); | |
} | |
/** | |
* DATA as defined in ethereum execution layer JSON RPC https://eth.wiki/json-rpc/API | |
*/ | |
export function dataToBytes(hex: DATA, fixedLength: number | null): Uint8Array { | |
try { | |
const bytes = fromHex(hex); | |
if (fixedLength != null && bytes.length !== fixedLength) { | |
throw Error(`Wrong data length ${bytes.length} expected ${fixedLength}`); | |
} | |
return bytes; | |
} catch (e) { | |
(e as Error).message = `Invalid hex string: ${(e as Error).message}`; | |
throw e; | |
} | |
} |
Closing in favour of #7282 |
Lodestar currently sets default graffiti containing execution client commit with 0x prefix eg.
GE0x2bLSae1f
.We should not include the prefix in the graffiti.