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Datetime & node id in console logs #1131

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Datetime & node id in console logs #1131

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c13fd74
add datetime to printed console logs
juliankuners Mar 27, 2026
840ab8e
print node id in console logs
juliankuners Apr 8, 2026
5341353
move `_DATETIME_FORMAT` to `utils.py`
juliankuners Apr 9, 2026
fd109a7
Merge branch 'master' into datetime-node-id-console-logs
anvacaru Apr 17, 2026
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20 changes: 14 additions & 6 deletions src/kontrol/foundry.py
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Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,7 @@
)

_LOGGER: Final = logging.getLogger(__name__)
_CONSOLE_LOG_DATETIME_FORMAT: Final = '%Y-%m-%d %H:%M:%S'

@anvacaru anvacaru Apr 8, 2026

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Consider moving this to a utils.py file so we can reuse it if needed in the future.



class KontrolSemantics(KEVMSemantics):
Expand Down Expand Up @@ -158,7 +159,9 @@ def _console_log_pattern(self) -> KSequence:
def _ffi_pattern(self) -> KSequence:
return KSequence([KApply('ffi_shell', KVariable('###CMD')), KVariable('###CONTINUATION')])

def _exec_rename_custom_step(self, subst: Subst, cterm: CTerm, _c: CTermSymbolic) -> KCFGExtendResult | None:
def _exec_rename_custom_step(
self, subst: Subst, cterm: CTerm, _c: CTermSymbolic, _node_id: int
) -> KCFGExtendResult | None:
# Extract the target var and new name from the substitution
target_var = subst['###RENAME_TARGET']
name_token = subst['###NEW_NAME']
Expand All @@ -182,7 +185,7 @@ def _exec_rename_custom_step(self, subst: Subst, cterm: CTerm, _c: CTermSymbolic
return Step(CTerm(new_cterm.config, constraints), 1, (), ['foundry_rename'], cut=True)

def _exec_forget_custom_step(
self, subst: Subst, cterm: CTerm, cterm_symbolic: CTermSymbolic
self, subst: Subst, cterm: CTerm, cterm_symbolic: CTermSymbolic, _node_id: int
) -> KCFGExtendResult | None:
"""Remove the constraint at the top of K_CELL of a given CTerm from its path constraints,
as part of the 'FOUNDRY-ACCOUNTS.forget' cut-rule.
Expand Down Expand Up @@ -293,28 +296,33 @@ def _filter_constraints_by_simplification(
new_cterm = CTerm.from_kast(set_cell(cterm.kast, 'K_CELL', KSequence(subst['###CONTINUATION'])))
return Step(CTerm(new_cterm.config, new_constraints), 1, (), ['cheatcode_forget'], cut=True)

def _exec_console_log_custom_step(self, subst: Subst, cterm: CTerm, _c: CTermSymbolic) -> KCFGExtendResult | None:
def _exec_console_log_custom_step(
self, subst: Subst, cterm: CTerm, _c: CTermSymbolic, node_id: int
) -> KCFGExtendResult | None:
selector_token = subst['###SELECTOR']
data = subst['###DATA']
assert type(selector_token) is KToken

prefix = f' [{node_id}] [{datetime.datetime.now().strftime(_CONSOLE_LOG_DATETIME_FORMAT)}]'
try:
if type(data) is KToken:
selector = int(selector_token.token)
output = decode_log_message(data.token, selector)
if output is not None:
print(f' {output}')
print(f'{prefix} {output}')
else:
kevm = KEVM(kdist.get('kontrol.base'))
print(f' {kevm.pretty_print(data)}')
print(f'{prefix} {kevm.pretty_print(data)}')
except Exception as e:
_LOGGER.warning(f'Console log decode error: {e}')

# Update the K_CELL with the continuation
new_cterm = CTerm.from_kast(set_cell(cterm.kast, 'K_CELL', KSequence(subst['###CONTINUATION'])))
return Step(CTerm(new_cterm.config, cterm.constraints), 1, (), ['console.log'], cut=True)

def _exec_ffi_custom_step(self, subst: Subst, cterm: CTerm, _c: CTermSymbolic) -> KCFGExtendResult | None:
def _exec_ffi_custom_step(
self, subst: Subst, cterm: CTerm, _c: CTermSymbolic, _node_id: int
) -> KCFGExtendResult | None:
"""Execute vm.ffi() cheatcode by running external commands and encoding their output as ABI bytes.

This function decodes the command from the ABI-encoded string array, executes it as a subprocess, and processes
Expand Down
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