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go-ethereum/internal/ethapi
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Jonny Rhea 98b13f342f
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miner: add OpenTelemetry spans for block building path (#33773) 
Instruments the block building path with OpenTelemetry tracing spans.

- added spans in forkchoiceUpdated -> buildPayload -> background payload
loop -> generateWork iterations. Spans should look something like this:

```
jsonrpc.engine/forkchoiceUpdatedV3
|- rpc.runMethod
|  |- engine.forkchoiceUpdated
|     |- miner.buildPayload [payload.id, parent.hash, timestamp]
|        |- miner.generateWork [txs.count, gas.used, fees] (empty block)
|        |  |- miner.prepareWork
|        |  |- miner.FinalizeAndAssemble
|        |     |- consensus.beacon.FinalizeAndAssemble [block.number, txs.count, withdrawals.count]
|        |        |- consensus.beacon.Finalize
|        |        |- consensus.beacon.IntermediateRoot
|        |        |- consensus.beacon.NewBlock
|        |- miner.background [block.number, iterations.total, exit.reason, empty.delivered]
|           |- miner.buildIteration [iteration, update.accepted]
|           |  |- miner.generateWork [txs.count, gas.used, fees]
|           |     |- miner.prepareWork
|           |     |- miner.fillTransactions [pending.plain.count, pending.blob.count]
|           |     |  |- miner.commitTransactions.priority (if prio txs exist)
|           |     |  |  |- miner.commitTransactions
|           |     |  |     |- miner.commitTransaction (per tx)
|           |     |  |- miner.commitTransactions.normal (if normal txs exist)
|           |     |     |- miner.commitTransactions
|           |     |        |- miner.commitTransaction (per tx)
|           |     |- miner.FinalizeAndAssemble
|           |        |- consensus.beacon.FinalizeAndAssemble [block.number, txs.count, withdrawals.count]
|           |           |- consensus.beacon.Finalize
|           |           |- consensus.beacon.IntermediateRoot
|           |           |- consensus.beacon.NewBlock
|           |- miner.buildIteration [iteration, update.accepted]
|           |  |- ...
|           |- ...

```

- added simulated server spans in SimulatedBeacon.sealBlock so dev mode
(geth --dev) produces traces that mirror production Engine API calls
from a real consensus client.

---------

Co-authored-by: Felix Lange <fjl@twurst.com>
2026-03-16 19:24:41 +01:00
..
override eth/catalyst: implement testing_buildBlockV1 (#33656) 2026-02-23 15:56:31 +01:00
testdata internal/ethapi: Add timestamp to eth_getTransactionByHash (#33709) 2026-02-02 12:20:16 +01:00
addrlock.go all: update license information (#16089) 2018-02-14 13:49:11 +01:00
api.go internal/ethapi: encode slotNumber as hex in RPCMarshalHeader (#34005) 2026-03-13 17:09:32 +01:00
api_test.go internal/ethapi: fix gas cap for eth_simulateV1 (#33952) 2026-03-05 09:09:07 +08:00
backend.go internal/ethapi: add eth_SendRawTransactionSync (#32830) 2025-10-16 17:34:47 +02:00
dbapi.go all: remove concept of public/private API definitions (#25053) 2022-06-21 12:05:43 +03:00
errors.go internal/ethapi: fix error code for revert in eth_simulateV1 (#33007) 2026-02-06 07:57:41 +01:00
logtracer.go internal/ethapi: add timestamp to logs in eth_simulate (#32831) 2025-10-06 18:19:25 +02:00
simulate.go miner: add OpenTelemetry spans for block building path (#33773) 2026-03-16 19:24:41 +01:00
simulate_test.go internal/ethapi: fix gas cap for eth_simulateV1 (#33952) 2026-03-05 09:09:07 +08:00
transaction_args.go internal/ethapi: include AuthorizationList in gas estimation (#33849) 2026-02-23 18:07:26 +01:00
transaction_args_test.go ethapi: reduce some of the wasted effort in GetTransactionReceipt (#32021) 2025-07-01 15:18:49 +08:00