v1.2.2

Major Changes

• Added slippage settings support for Uniswap V3 swaps
• Fixed data races in transaction scenarios and improved panic recovery
• Implemented deep copy for metrics data points to prevent concurrent access issues
• Added new GEAS transaction scenarios (EIP-7843 SLOTNUM and EIP-8024 SWAPN/DUPN/EXCHANGE)
• Updated blob transaction handling with default template swaps and Fulu activation fixes
• Improved transaction pool stability with atomic bool usage and state synchronization

Full changelog

Full changelog

• c23ad38 Merge pull request #252 from ethpandaops/pk910/uniswap-swaps-slippage-v3
• a6780e1 Merge branch 'master' into pk910/uniswap-swaps-slippage-v3
• da39a0e Merge pull request #248 from syjn99/fix/guard-before-parse-uint
• ff7da93 Merge branch 'master' into pk910/uniswap-swaps-slippage-v3
• 929656d Apply slippage settings to uniswap v3 swaps
• e1abc2f Merge branch 'master' into fix/guard-before-parse-uint
• 577b9da Merge pull request #246 from ethpandaops/blob-default-rework
• c41ac39 gofmt
• 17314fd Merge branch 'master' into blob-default-rework
• d75ae5b Merge pull request #237 from ethpandaops/feat/fuzzing-scenarios
• ce76d3f Merge branch 'master' into feat/fuzzing-scenarios
• e907e5c Merge pull request #245 from ethpandaops/dependabot/go_modules/dependencies-e420f28b88
• 3865afc Merge branch 'master' into dependabot/go_modules/dependencies-e420f28b88
• 381336c Merge pull request #247 from ethpandaops/dependabot/github_actions/actions-aa80f42e9a
• 3235f21 Merge branch 'master' into dependabot/github_actions/actions-aa80f42e9a
• e52b102 Merge pull request #249 from damilolaedwards/fix/metrics-datapoint-map-copy
• e6ee5fd Merge branch 'master' into fix/metrics-datapoint-map-copy
• 081b640 Merge pull request #251 from ethpandaops/pk910/fix-txscenario-races
• e1c1efa Fix ineffective panic recovery in txpool loops and blob-average scenario
• 0331b9c Add unit tests for the scenario package
• ff00c59 Fix ineffective panic recovery in RunTransactionScenario
• 2ab4f97 Convert isErrorMode to atomic.Bool
• b25c077 Synchronize txState access to fix data races exposed by the new tests
• 59591f1 Release transaction state once it has been logged in order
• 6a83341 Deep copy metrics data points before returning them to readers
• b679778 Gate targetStr before parsing as unsigned integer in FlexibleJsonUInt64
• de76876 build(deps): bump the actions group with 3 updates
• bff61fb Swap default blob templates: blob-average standalone, blobs in group
• cb14246 chore: update generated Yaegi symbols
• 2c5aa3c build(deps): bump the dependencies group across 1 directory with 2 updates
• 4fa8a09 Merge pull request #244 from Qumeric/fix/initblockstats-header-only
• d9ce7e1 Merge branch 'master' into fix/initblockstats-header-only
• 5d64d79 Merge pull request #241 from qu0b/qu0b/fix/calltx-eip7954-code-size
• c76a65e Merge branch 'master' into qu0b/fix/calltx-eip7954-code-size
• 9a2e513 Merge pull request #242 from qu0b/qu0b/fix/storagerefundtx-amsterdam-gas
• aea039c Merge branch 'master' into qu0b/fix/calltx-eip7954-code-size
• 0bde5f1 Merge branch 'master' into qu0b/fix/storagerefundtx-amsterdam-gas
• 265e5e5 Merge pull request #243 from qu0b/qu0b/feat/geastx-scenarios
• f7ebb67 fix(txpool): fetch header not full block in tryInitBlockStats
• e06da79 fix(storagerefundtx): update gas constants for Amsterdam EIP-8038
• 1267319 fix(spamoor): correct geas label syntax in EIP-7843 SLOTNUM test
• edabce6 fix(spamoor): fix #bytes multi-argument syntax in EIP-8024 and EIP-7843 GEAS files
• c5f03ad feat(geastx): add EIP-7843 SLOTNUM opcode stress test
• 144ca68 feat(geastx): add EIP-8024 SWAPN/DUPN/EXCHANGE opcode stress test
• 54d4191 feat(calltx): bump ContractReadBloatContract to 64 KiB for EIP-7954 (Amsterdam)
• dcc1ce6 feat(uniswap-swaps): add per-trade slippage variance
• d5b911f db: bump fuzzing_group migration timestamp to 2026-06-16
• bae86e9 Merge branch 'master' into feat/fuzzing-scenarios
• 8ca58d9 Merge pull request #238 from ethpandaops/chore/regular-group-blobavg
• d42448a Fuzzing group: create paused (not default-enabled)
• 14bc3c7 Don't default-enable Regular Chain Load; only add blob-average member
• b1a9e6b blob-average: default fulu-activation to 0 (v1 blobs by default)
• 2381372 tx-fuzz: default fulu-activation to 0 (v1 blobs by default)
• 83f8c15 tx-fuzz: submit blob txs in correct format across Fulu (v0/v1 sidecar)
• 1abc854 Default-enable Regular Chain Load group + add blob-average (~3 blobs/block)
• 81fc475 tx-fuzz-invalid: single burner wallet + fix accept false-positives
• 4d4ee1c tx-fuzz: fix blob fee cap; lighten Fuzzing group footprint
• 1c0cb5e Add tx-fuzz and tx-fuzz-invalid scenarios + default Fuzzing group
• 6008c52 Merge pull request #236 from ethpandaops/pk910/fix-build-workflow
• f1fc925 ci: build exact PR head commit, not the PR/base merge
• 03ce9d8 Merge pull request #235 from ethpandaops/pk910/spammer-groups
• e54edc3 make generate-symbols
• bc4ca0a update default spammer group
• 2d4c01b add "Regular Chain Load" default spammer group
• ac0878d fix grouped import/export
• 59fe137 implement spammer groups
• c3e3a99 implement spammer groups
• b63cef5 Merge pull request #234 from ethpandaops/pk910/safe-multisig
• b58c0fe update README
• 5f71409 add safe-multisig scenario
• 59f4306 Merge pull request #232 from ethpandaops/pk910/deployment-factory
• 1adaf63 update erc4337 scenario to use deterministic deployment helper
• 5bc9c6d Merge branch 'master' into pk910/deployment-factory
• 5bb42d8 Merge pull request #233 from ethpandaops/pk910/erc4337
• 1c0a813 fix staticcheck issues
• 6ed3cb1 add curve-swaps scenario
• 685bac4 update erc scenarios to use deterministic deployment helper
• 4d80752 add uniswap v3 contract to uniswap-swaps scenario
• 90008ae implement shared deterministic deployment helper
• f989620 implement erc4337 scenario
• 1efa302 Merge pull request #230 from ethpandaops/dependabot/github_actions/actions-947cb9a718
• ca146c1 Merge branch 'master' into dependabot/github_actions/actions-947cb9a718
• 559c755 Merge pull request #231 from ethpandaops/pk910/fix-uniswap
• 828fe44 fix uniswap scenario setup concurrency
• b8789d2 build(deps): bump the actions group with 2 updates
• c6fdfb6 Merge pull request #229 from ethpandaops/pk910/glamsterdam-gas-fixes
• 1d6c731 glamsterdam gas limit adjustments

Release Artifacts

Please read through the wiki for setup & configuration instructions.

Release File	Description
spamoor_1.2.2_windows_amd64.zip	spamoor executables for windows/amd64
spamoor_1.2.2_linux_amd64.tar.gz	spamoor executables for linux/amd64
spamoor_1.2.2_linux_arm64.tar.gz	spamoor executables for linux/arm64
spamoor_1.2.2_darwin_arm64.tar.gz	spamoor executable for macos/arm64