chore!: upgrade to Go 1.24

.golangci.yml

@@ -24,6 +24,7 @@ issues:
     # gosec
     - "^G101: Potential hardcoded credentials"
     - "^G108: Profiling endpoint is automatically exposed on /debug/pprof"
+    - "^G115: integer overflow conversion u?int(8|32|64)? -> u?int(8|32|64)?"
     - "^G204: Subprocess launched with (variable|a potential tainted input or cmd arguments)"
     - "^G301: Expect directory permissions to be 0750 or less"
     - "^G302: Expect file permissions to be 0600 or less"
@@ -47,6 +48,7 @@ issues:
     - "^var-naming: (method|range var) \\w*(Api|Http|Id|Rpc|Url)[^\\s]* should be \\w*(API|HTTP|ID|RPC|URL)"
     - "^var-naming: don't use underscores in Go names"
     - "^var-naming: don't use ALL_CAPS in Go names; use CamelCase"
+    - "^redefines-builtin-id: redefinition of the built-in (function|type) (max|min|cap|recover|new|error)"
 
   exclude-use-default: false
   exclude-rules:

CHANGELOG.md

@@ -8,6 +8,7 @@
 > * [CHANGELOG_1.2x.md](./documentation/changelog/CHANGELOG_1.2x.md) - v1.20.0 to v1.29.2
 
 # UNRELEASED
+- The minimum supported Golang version is now `1.24.7`
 - feat(gateway): expose StateGetRandomnessDigestFromBeacon ([filecoin-project/lotus#13339](https://github.com/filecoin-project/lotus/pull/13339))
 
 # Node and Miner v1.34.0 / 2025-09-11

CONTRIBUTING.md

@@ -126,29 +126,34 @@ When updating the Go version (either patch or minor), the following files must b
 #### Step-by-Step Process
 
 ```bash
+OLD_GO_VERSION="1.23.7"
+NEW_GO_VERSION="1.23.10"
+
 # Update go.mod
-sed -i 's/go 1.23.7/go 1.23.10/' go.mod
+sed -i "s/go $OLD_GO_VERSION/go $NEW_GO_VERSION/" go.mod
 
 # Update GO_VERSION_MIN
-echo "1.23.10" > GO_VERSION_MIN
+echo "$NEW_GO_VERSION" > GO_VERSION_MIN
 
 # Update README.md badge and documentation
-sed -i 's/1.23.7/1.23.10/' README.md
+sed -i "s/$OLD_GO_VERSION/$NEW_GO_VERSION/g" README.md
 
 # Update Dockerfile
-sed -i 's/FROM golang:1.23.7-bullseye/FROM golang:1.23.10-bullseye/' Dockerfile
+sed -i "s/FROM golang:$OLD_GO_VERSION-bullseye/FROM golang:$NEW_GO_VERSION-bullseye/" Dockerfile
 
 # Add a changelog entry
 
+# Validate
 go mod tidy
 make build
 make unittests
+make lint
 ```
 
-
 #### Example Reference
 
-For an example of a Go patch version update, see [PR #13190](https://github.com/filecoin-project/lotus/pull/13190) which updated from Go 1.23.7 to 1.23.10.
+For an example of a Go patch version update, see [PR #13190](https://github.com/filecoin-project/lotus/pull/13190), which updated from Go 1.23.7 to 1.23.10.
+For an example of a Go minor version update, see [PR #13354](https://github.com/filecoin-project/lotus/pull/13354), which updated from Go 1.23.10 to 1.24.7.
 
 ### Developer Notes
 

Dockerfile

@@ -1,5 +1,5 @@
 #####################################
-FROM golang:1.23.10-bullseye AS lotus-builder
+FROM golang:1.24.7-bookworm AS lotus-builder
 MAINTAINER Lotus Development Team
 
 RUN apt-get update && apt-get install -y ca-certificates build-essential clang ocl-icd-opencl-dev ocl-icd-libopencl1 jq libhwloc-dev

GO_VERSION_MIN

@@ -1 +1 @@
-1.23.10
+1.24.7

Makefile

@@ -16,7 +16,7 @@ $(warning Your Golang version is go$(shell expr $(GOVERSION) / 1000000).$(shell
 $(error Update Golang to version to at least $(shell cat GO_VERSION_MIN))
 endif
 
-GOLANGCI_LINT_VERSION=v1.60.1
+GOLANGCI_LINT_VERSION=v1.64.8
 
 # git modules that need to be loaded
 MODULES:=

README.md

@@ -11,7 +11,7 @@
   <a href="https://github.com/filecoin-project/lotus/actions/workflows/check.yml"><img src="https://github.com/filecoin-project/lotus/actions/workflows/check.yml/badge.svg"></a>
   <a href="https://github.com/filecoin-project/lotus/actions/workflows/test.yml"><img src="https://github.com/filecoin-project/lotus/actions/workflows/test.yml/badge.svg"></a>
   <a href="https://goreportcard.com/report/github.com/filecoin-project/lotus"><img src="https://goreportcard.com/badge/github.com/filecoin-project/lotus" /></a>
-  <a href=""><img src="https://img.shields.io/badge/golang-%3E%3D1.23.10-blue.svg" /></a>
+  <a href=""><img src="https://img.shields.io/badge/golang-%3E%3D1.24.7-blue.svg" /></a>
   <br>
 </p>
 
@@ -58,10 +58,10 @@ For other distributions you can find the required dependencies [here.](https://l
 
 #### Go
 
-To build Lotus, you need a working installation of [Go 1.23.10 or higher](https://golang.org/dl/):
+To build Lotus, you need a working installation of [Go 1.24.7 or higher](https://golang.org/dl/):
 
 ```bash
-wget -c https://golang.org/dl/go1.23.10.linux-amd64.tar.gz -O - | sudo tar -xz -C /usr/local
+wget -c https://golang.org/dl/go1.24.7.linux-amd64.tar.gz -O - | sudo tar -xz -C /usr/local
 ```
 
 **TIP:**

api/api_test.go

@@ -16,12 +16,21 @@ import (
 	"github.com/filecoin-project/go-jsonrpc"
 )
 
+func goRoot() (string, error) {
+	out, err := exec.Command("go", "env", "GOROOT").Output()
+	if err != nil {
+		return "", err
+	}
+	return strings.TrimSpace(string(out)), nil
+}
+
 func goCmd() string {
 	var exeSuffix string
 	if runtime.GOOS == "windows" {
 		exeSuffix = ".exe"
 	}
-	path := filepath.Join(runtime.GOROOT(), "bin", "go"+exeSuffix)
+	root, _ := goRoot()
+	path := filepath.Join(root, "bin", "go"+exeSuffix)
 	if _, err := os.Stat(path); err == nil {
 		return path
 	}

chain/types/ethtypes/rlp.go

@@ -60,17 +60,16 @@ func encodeRLP(val interface{}) ([]byte, error) {
 		} else if len(data) <= 55 {
 			prefix := byte(0x80 + len(data))
 			return append([]byte{prefix}, data...), nil
-		} else {
-			lenInBytes, err := encodeLength(len(data))
-			if err != nil {
-				return nil, err
-			}
-			prefix := byte(0xb7 + len(lenInBytes))
-			return append(
-				[]byte{prefix},
-				append(lenInBytes, data...)...,
-			), nil
 		}
+		lenInBytes, err := encodeLength(len(data))
+		if err != nil {
+			return nil, err
+		}
+		prefix := byte(0xb7 + len(lenInBytes))
+		return append(
+			[]byte{prefix},
+			append(lenInBytes, data...)...,
+		), nil
 	case []interface{}:
 		encodedList, err := encodeRLPListItems(data)
 		if err != nil {

go.mod

@@ -1,6 +1,6 @@
 module github.com/filecoin-project/lotus
 
-go 1.23.10
+go 1.24.7
 
 retract v1.14.0 // Accidentally force-pushed tag, use v1.14.1+ instead.
 

node/config/dep_test.go

@@ -9,12 +9,21 @@ import (
 	"testing"
 )
 
+func goRoot() (string, error) {
+	out, err := exec.Command("go", "env", "GOROOT").Output()
+	if err != nil {
+		return "", err
+	}
+	return strings.TrimSpace(string(out)), nil
+}
+
 func goCmd() string {
 	var exeSuffix string
 	if runtime.GOOS == "windows" {
 		exeSuffix = ".exe"
 	}
-	path := filepath.Join(runtime.GOROOT(), "bin", "go"+exeSuffix)
+	root, _ := goRoot()
+	path := filepath.Join(root, "bin", "go"+exeSuffix)
 	if _, err := os.Stat(path); err == nil {
 		return path
 	}