filecoin-project · wjmelements · Apr 5, 2026 · Apr 5, 2026
diff --git a/.github/workflows/gas.yml b/.github/workflows/gas.yml
@@ -0,0 +1,33 @@
+name: Gas Snapshots
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  gas-snapshots:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Foundry
+        uses: foundry-rs/foundry-toolchain@v1
+        with:
+          version: v1.3.5
+
+      - name: Delete gas snapshot directory
+        run: rm -rf gas
+
+      - name: Regenerate gas snapshots
+        run: make test
+
+      - name: Check for uncommitted changes
+        run: |
+          git add gas/
+          git diff --cached --exit-code gas/ || {
+            echo "Gas snapshots are out of date. Run 'make test' locally and commit the updated gas/ files."
+            exit 1
+          }
diff --git a/Makefile b/Makefile
@@ -8,3 +8,4 @@ clean:
 
 test:
 	forge test
+	@forge test --json 2>/dev/null | python3 scripts/extract_gas.py
diff --git a/gas/BurnTest/testBurn.txt b/gas/BurnTest/testBurn.txt
@@ -0,0 +1 @@
+38906
diff --git a/gas/BurnTest/testBurnByActorId.txt b/gas/BurnTest/testBurnByActorId.txt
@@ -0,0 +1 @@
+38884
diff --git a/gas/BurnTest/testBurnByAddress.txt b/gas/BurnTest/testBurnByAddress.txt
@@ -0,0 +1 @@
+39519
diff --git a/gas/BurnTest/testBurnByAddressPayable.txt b/gas/BurnTest/testBurnByAddressPayable.txt
@@ -0,0 +1 @@
+39673
diff --git a/gas/PayTest/testPayAddress.txt b/gas/PayTest/testPayAddress.txt
@@ -0,0 +1 @@
+42503
diff --git a/gas/PayTest/testPayPayable.txt b/gas/PayTest/testPayPayable.txt
@@ -0,0 +1 @@
+42388
diff --git a/gas/RandTest/testMockRandom.txt b/gas/RandTest/testMockRandom.txt
@@ -0,0 +1 @@
+29459
diff --git a/gas/RandTest/testNextRandom.txt b/gas/RandTest/testNextRandom.txt
@@ -0,0 +1 @@
+6486
diff --git a/gas/RandTest/testUnmockedRandom.txt b/gas/RandTest/testUnmockedRandom.txt
@@ -0,0 +1 @@
+8123
diff --git a/gas/ResolveAddressTest/testConstructorDoesNotMockUnknownActors.txt b/gas/ResolveAddressTest/testConstructorDoesNotMockUnknownActors.txt
@@ -0,0 +1 @@
+11232
diff --git a/gas/ResolveAddressTest/testConstructorMocksSystemActors.txt b/gas/ResolveAddressTest/testConstructorMocksSystemActors.txt
@@ -0,0 +1 @@
+48473
diff --git a/gas/ResolveAddressTest/testGetActorId.txt b/gas/ResolveAddressTest/testGetActorId.txt
@@ -0,0 +1 @@
+29132
diff --git a/gas/ResolveAddressTest/testGetActorIdAddress.txt b/gas/ResolveAddressTest/testGetActorIdAddress.txt
@@ -0,0 +1 @@
+28022
diff --git a/gas/ResolveAddressTest/testGetActorIdAddressReverts.txt b/gas/ResolveAddressTest/testGetActorIdAddressReverts.txt
@@ -0,0 +1 @@
+10939
diff --git a/gas/ResolveAddressTest/testGetActorIdReverts.txt b/gas/ResolveAddressTest/testGetActorIdReverts.txt
@@ -0,0 +1 @@
+12065
diff --git a/gas/ResolveAddressTest/testMaskedIdAddressArbitraryId.txt b/gas/ResolveAddressTest/testMaskedIdAddressArbitraryId.txt
@@ -0,0 +1 @@
+30521
diff --git a/gas/ResolveAddressTest/testMaskedIdAddressBurnActor.txt b/gas/ResolveAddressTest/testMaskedIdAddressBurnActor.txt
@@ -0,0 +1 @@
+9679
diff --git a/gas/ResolveAddressTest/testMaskedIdAddressDoesNotExist.txt b/gas/ResolveAddressTest/testMaskedIdAddressDoesNotExist.txt
@@ -0,0 +1 @@
+8198
diff --git a/gas/ResolveAddressTest/testMaskedIdAddressGetActorIdReverts.txt b/gas/ResolveAddressTest/testMaskedIdAddressGetActorIdReverts.txt
@@ -0,0 +1 @@
+12377
diff --git a/gas/ResolveAddressTest/testMaskedIdAddressSystemActor.txt b/gas/ResolveAddressTest/testMaskedIdAddressSystemActor.txt
@@ -0,0 +1 @@
+9670
diff --git a/gas/ResolveAddressTest/testNonMaskedIdAddressStillUsesF410.txt b/gas/ResolveAddressTest/testNonMaskedIdAddressStillUsesF410.txt
@@ -0,0 +1 @@
+28066
diff --git a/gas/ResolveAddressTest/testResolveInvalidAddress.txt b/gas/ResolveAddressTest/testResolveInvalidAddress.txt
@@ -0,0 +1 @@
+8663
diff --git a/gas/ResolveAddressTest/testTryGetActorIdAddressDoesNotExist.txt b/gas/ResolveAddressTest/testTryGetActorIdAddressDoesNotExist.txt
@@ -0,0 +1 @@
+6720
diff --git a/gas/ResolveAddressTest/testTryGetActorIdAddressExists.txt b/gas/ResolveAddressTest/testTryGetActorIdAddressExists.txt
@@ -0,0 +1 @@
+27811
diff --git a/gas/ResolveAddressTest/testTryGetActorIdDoesNotExists.txt b/gas/ResolveAddressTest/testTryGetActorIdDoesNotExists.txt
@@ -0,0 +1 @@
+7669
diff --git a/gas/ResolveAddressTest/testTryGetActorIdExists.txt b/gas/ResolveAddressTest/testTryGetActorIdExists.txt
@@ -0,0 +1 @@
+29394
diff --git a/gas/ResolveAddressTest/testTryGetActorIdF410.txt b/gas/ResolveAddressTest/testTryGetActorIdF410.txt
@@ -0,0 +1 @@
+28318
diff --git a/scripts/extract_gas.py b/scripts/extract_gas.py
@@ -0,0 +1,19 @@
+#!/usr/bin/env python3
+"""Parse `forge test --json` output from stdin and write one file per test
+under gas/<ContractName>/<testName>.txt containing the gas used."""
+
+import json
+import sys
+import pathlib
+
+GAS_DIR = pathlib.Path("gas")
+
+data = json.load(sys.stdin)
+for suite, info in data.items():
+    contract = suite.split(":")[1]
+    for test_name, result in info["test_results"].items():
+        name = test_name.rstrip("()")
+        gas = result["kind"]["Unit"]["gas"]
+        path = GAS_DIR / contract / f"{name}.txt"
+        path.parent.mkdir(parents=True, exist_ok=True)
+        path.write_text(f"{gas}\n")
Original file line number	Diff line number	Diff line change
Expand Up		@@ -8,3 +8,4 @@ clean:

		test:
		forge test
		@forge test --json 2>/dev/null \| python3 scripts/extract_gas.py