use eels forks/prague branch

[danceratopz]

The EELS Prague implementation isn't merged into execution-specs master yet.

[holiman]

Sweet, thanks!

[holiman]

This doesn't quite work

# generic-fuzzer --outdir=/fuzztmp  --fork=Prague --geth=/gethvm --eels=/ethereum-spec-evm --engine bls 
INFO [03-07|16:17:41.182] Set loglevel                             level=INFO
INFO [03-07|16:17:41.182] Fuzzing started                          threads=6
INFO [03-07|16:17:41.182] Test factory thread started
INFO [03-07|16:17:41.183] Test factory thread started
INFO [03-07|16:17:41.183] Test factory thread started
eels error: invalid character 'T' looking for beginning of value
  | Traceback (most recent call last):
  |   File "/ethereum-spec-evm", line 8, in <module>
  |     sys.exit(main())
  |              ~~~~^^
  |   File "/opt/pipx/venvs/ethereum-execution/lib/python3.13/site-packages/ethereum_spec_tools/evm_tools/__init__.py", line 118, in main
  |     return state_test.run()
  |            ~~~~~~~~~~~~~~^^
  |   File "/opt/pipx/venvs/ethereum-execution/lib/python3.13/site-packages/ethereum_spec_tools/evm_tools/statetest/__init__.py", line 217, in run
  |     return self.run_one(self.file)
  |            ~~~~~~~~~~~~^^^^^^^^^^^
  |   File "/opt/pipx/venvs/ethereum-execution/lib/python3.13/site-packages/ethereum_spec_tools/evm_tools/statetest/__init__.py", line 246, in run_one
  |     result = run_test_case(
  |         test_case,
  |         t8n_extra=t8n_extra,
  |         output_basedir=sys.stderr,
  |     )
  |   File "/opt/pipx/venvs/ethereum-execution/lib/python3.13/site-packages/ethereum_spec_tools/evm_tools/statetest/__init__.py", line 148, in run_test_case
  |     t8n = T8N(t8n_options, out_stream, in_stream)
  |   File "/opt/pipx/venvs/ethereum-execution/lib/python3.13/site-packages/ethereum_spec_tools/evm_tools/t8n/__init__.py", line 122, in __init__
  |     self.env = Env(self, stdin)
  |                ~~~^^^^^^^^^^^^^
  |   File "/opt/pipx/venvs/ethereum-execution/lib/python3.13/site-packages/ethereum_spec_tools/evm_tools/t8n/env.py", line 74, in __init__
  |     self.read_block_hashes(data, t8n)
  |     ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
  |   File "/opt/pipx/venvs/ethereum-execution/lib/python3.13/site-packages/ethereum_spec_tools/evm_tools/t8n/env.py", line 246, in read_block_hashes
  |     self.parent_hash = Hash32(hex_to_bytes(data["parentHash"]))
  |                                            ~~~~^^^^^^^^^^^^^^
  | KeyError: 'parentHash'

[holiman]

{
  "00000000-mixed-1": {
    "env": {
      "currentCoinbase": "b94f5374fce5edbc8e2a8697c15331677e6ebf0b",
      "currentDifficulty": "0x200000",
      "currentRandom": "0x0000000000000000000000000000000000000000000000000000000000200000",
      "currentGasLimit": "0x26e1f476fe1e22",
      "currentNumber": "0x1",
      "currentTimestamp": "0x3e8",
      "previousHash": "0x044852b2a670ade5407e78fb2863c51de9fcb96542a07186fe3aeda6bb8a116d",
      "currentBaseFee": "0x10"
    },

The env does have a previousHash -- but eels wants a parentHash all of a sudden?

[holiman]

Another diff

diff --git a/evms/testdata/traces/eofcode.json.eels.stderr.txt b/evms/testdata/traces/eofcode.json.eels.stderr.txt
index d5123da..5769c50 100644
--- a/evms/testdata/traces/eofcode.json.eels.stderr.txt
+++ b/evms/testdata/traces/eofcode.json.eels.stderr.txt
@@ -1,2 +1,25 @@
-# WARNING:T8N:Transaction 0 failed: InvalidBlock()
-{"stateRoot": "0x53f6733a696cb3bbf77b635d96ace97f25ffee2d08d3e3d4ae1e566bfc060d6f"}
+Traceback (most recent call last):
+  File "/ethereum-spec-evm", line 8, in <module>
+    sys.exit(main())
+             ~~~~^^
+  File "/opt/pipx/venvs/ethereum-execution/lib/python3.13/site-packages/ethereum_spec_tools/evm_tools/__init__.py", line 118, in main
+    return state_test.run()
+           ~~~~~~~~~~~~~~^^
+  File "/opt/pipx/venvs/ethereum-execution/lib/python3.13/site-packages/ethereum_spec_tools/evm_tools/statetest/__init__.py", line 217, in run
+    return self.run_one(self.file)
+           ~~~~~~~~~~~~^^^^^^^^^^^
+  File "/opt/pipx/venvs/ethereum-execution/lib/python3.13/site-packages/ethereum_spec_tools/evm_tools/statetest/__init__.py", line 246, in run_one
+    result = run_test_case(
+        test_case,
+        t8n_extra=t8n_extra,
+        output_basedir=sys.stderr,
+    )
+  File "/opt/pipx/venvs/ethereum-execution/lib/python3.13/site-packages/ethereum_spec_tools/evm_tools/statetest/__init__.py", line 148, in run_test_case
+    t8n = T8N(t8n_options, out_stream, in_stream)
+  File "/opt/pipx/venvs/ethereum-execution/lib/python3.13/site-packages/ethereum_spec_tools/evm_tools/t8n/__init__.py", line 122, in __init__
+    self.env = Env(self, stdin)
+               ~~~^^^^^^^^^^^^^
+  File "/opt/pipx/venvs/ethereum-execution/lib/python3.13/site-packages/ethereum_spec_tools/evm_tools/t8n/env.py", line 81, in __init__
+    parent_beacon_block_root_hex = data["parentBeaconBlockRoot"]
+                                   ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^

Also, it doesn't emit jsonl ops any longer (traces)

user@debian-work:~/workspace/goevmlab$ git diff evms/testdata/traces/stackUnderflow_nonzeroMem.json.eels.stderr.txt 
diff --git a/evms/testdata/traces/stackUnderflow_nonzeroMem.json.eels.stderr.txt b/evms/testdata/traces/stackUnderflow_nonzeroMem.json.eels.stderr.txt
index d39cb6f..0f56912 100644
--- a/evms/testdata/traces/stackUnderflow_nonzeroMem.json.eels.stderr.txt
+++ b/evms/testdata/traces/stackUnderflow_nonzeroMem.json.eels.stderr.txt
@@ -1,13 +1 @@
-{"pc":0,"op":96,"gas":"0x79bee4","gasCost":"0x3","memSize":0,"stack":[],"depth":1,"refund":0,"opName":"PUSH1"}
-{"pc":2,"op":96,"gas":"0x79bee1","gasCost":"0x3","memSize":0,"stack":["0x0"],"depth":1,"refund":0,"opName":"PUSH1"}
-{"pc":4,"op":96,"gas":"0x79bede","gasCost":"0x3","memSize":0,"stack":["0x0","0x1"],"depth":1,"refund":0,"opName":"PUSH1"}
-{"pc":6,"op":96,"gas":"0x79bedb","gasCost":"0x3","memSize":0,"stack":["0x0","0x1","0x1"],"depth":1,"refund":0,"opName":"PUSH1"}
-{"pc":8,"op":96,"gas":"0x79bed8","gasCost":"0x3","memSize":0,"stack":["0x0","0x1","0x1","0x2"],"depth":1,"refund":0,"opName":"PUSH1"}
-{"pc":10,"op":97,"gas":"0x79bed5","gasCost":"0x3","memSize":0,"stack":["0x0","0x1","0x1","0x2","0x2"],"depth":1,"refund":0,"opName":"PUSH2"}
-{"pc":13,"op":97,"gas":"0x79bed2","gasCost":"0x3","memSize":0,"stack":["0x0","0x1","0x1","0x2","0x2","0x1f4"],"depth":1,"refund":0,"opName":"PUSH2"}
-{"pc":16,"op":244,"gas":"0x79becf","gasCost":"0x10a2a","memSize":0,"stack":["0x0","0x1","0x1","0x2","0x2","0x1f4","0xffff"],"depth":1,"refund":0,"opName":"DELEGATECALL"}
-{"pc":17,"op":54,"gas":"0x79b4a4","gasCost":"0x2","memSize":32,"stack":["0x0","0x1"],"depth":1,"refund":0,"opName":"CALLDATASIZE"}
-{"pc":18,"op":145,"gas":"0x79b4a2","gasCost":"0x3","memSize":32,"stack":["0x0","0x1","0x12"],"depth":1,"refund":0,"opName":"SWAP2"}
-{"pc":19,"op":142,"gas":"0x79b49f","gasCost":"0x3","memSize":32,"stack":["0x12","0x1","0x0"],"depth":1,"refund":0,"opName":"DUP15","error":"StackUnderflowError"}
-{"output":"","gasUsed":"0x79bee4","error":"StackUnderflowError"}
 {"stateRoot": "0x1f07fb182fd18ad9b11f8ef6cf369981e87e9f8514c803a1f2df145724f62fa4"}

Seems gone:

root@1953a6ac70c1:/testdata/cases# $eels statetest --json stackUnderflow_nonzeroMem.json 
{"stateRoot": "0x1f07fb182fd18ad9b11f8ef6cf369981e87e9f8514c803a1f2df145724f62fa4"}
[
    {
        "stateRoot": "0x1f07fb182fd18ad9b11f8ef6cf369981e87e9f8514c803a1f2df145724f62fa4",
        "fork": "London",
        "name": "00000000-mixed-0",
        "pass": false,
        "error": "post state root mismatch: got 1f07fb182fd18ad9b11f8ef6cf369981e87e9f8514c803a1f2df145724f62fa4, want 0000000000000000000000000000000000000000000000000000000000000000"
    }
]