Explicit DefaultSnapshotGitBranch (#14188)

We want erigon 3.0 to use branch `release/3.0` of
[erigon-snapshot](https://github.com/erigontech/erigon-snapshot).
This is a prerequisite change. It depends on
erigontech/erigon-snapshot#469.

Author: yperbasis

erigon-lib/chain/snapcfg/util.go

@@ -35,9 +35,15 @@ import (
 	"github.com/erigontech/erigon-snapshot/webseed"
 
 	"github.com/erigontech/erigon-lib/chain/networkname"
+	"github.com/erigontech/erigon-lib/common/dbg"
 	"github.com/erigontech/erigon-lib/downloader/snaptype"
 )
 
+// TODO(yperbasis) move into params/version.go
+const DefaultSnapshotGitBranch = "main"
+
+var snapshotGitBranch = dbg.EnvString("SNAPS_GIT_BRANCH", DefaultSnapshotGitBranch)
+
 var (
 	Mainnet    = fromToml(snapshothashes.Mainnet)
 	Holesky    = fromToml(snapshothashes.Holesky)
@@ -553,7 +559,7 @@ func webseedsParse(in []byte) (res []string) {
 }
 
 func LoadRemotePreverified(ctx context.Context) (loaded bool, err error) {
-	loaded, err = snapshothashes.LoadSnapshots(ctx)
+	loaded, err = snapshothashes.LoadSnapshots(ctx, snapshotGitBranch)
 	if err != nil {
 		return false, err
 	}

erigon-lib/go.mod

@@ -11,7 +11,7 @@ replace (
 )
 
 require (
-	github.com/erigontech/erigon-snapshot v1.3.1-0.20250307141809-1a6da4c08b8b
+	github.com/erigontech/erigon-snapshot v1.3.1-0.20250317154231-2ce6d6e9e6fc
 	github.com/erigontech/interfaces v0.0.0-20250305132916-e79ba495d507
 	github.com/erigontech/mdbx-go v0.38.10
 	github.com/erigontech/secp256k1 v1.2.0

erigon-lib/go.sum

@@ -152,8 +152,8 @@ github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymF
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/erigontech/erigon-snapshot v1.3.1-0.20250307141809-1a6da4c08b8b h1:rafwPxrNSwfHrEMV/qusb4qjMsbkp0sVyTKXZ+UvxZs=
-github.com/erigontech/erigon-snapshot v1.3.1-0.20250307141809-1a6da4c08b8b/go.mod h1:ooHlCl+eEYzebiPu+FP6Q6SpPUeMADn8Jxabv3IKb9M=
+github.com/erigontech/erigon-snapshot v1.3.1-0.20250317154231-2ce6d6e9e6fc h1:MAuInN3QwppF4OXno4JkhwjMD1ece29ayvDFIUELQ6k=
+github.com/erigontech/erigon-snapshot v1.3.1-0.20250317154231-2ce6d6e9e6fc/go.mod h1:ooHlCl+eEYzebiPu+FP6Q6SpPUeMADn8Jxabv3IKb9M=
 github.com/erigontech/go-kzg-4844 v0.0.0-20250130131058-ce13be60bc86 h1:UKcIbFZUGIKzK4aQbkv/dYiOVxZSUuD3zKadhmfwdwU=
 github.com/erigontech/go-kzg-4844 v0.0.0-20250130131058-ce13be60bc86/go.mod h1:JolLjpSff1tCCJKaJx4psrlEdlXuJEC996PL3tTAFks=
 github.com/erigontech/interfaces v0.0.0-20250305132916-e79ba495d507 h1:hLctwnMpduX9jcAgvhHK58WcVISpKZwIhW6RFOyELZQ=

go.mod

@@ -175,7 +175,7 @@ require (
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/elastic/gosigar v0.14.3 // indirect
-	github.com/erigontech/erigon-snapshot v1.3.1-0.20250307141809-1a6da4c08b8b // indirect
+	github.com/erigontech/erigon-snapshot v1.3.1-0.20250317154231-2ce6d6e9e6fc // indirect
 	github.com/flynn/noise v1.1.0 // indirect
 	github.com/francoispqt/gojay v1.2.13 // indirect
 	github.com/fsnotify/fsnotify v1.6.0 // indirect

go.sum

@@ -265,8 +265,8 @@ github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1m
 github.com/envoyproxy/go-control-plane v0.9.7/go.mod h1:cwu0lG7PUMfa9snN8LXBig5ynNVH9qI8YYLbd1fK2po=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/erigontech/erigon-snapshot v1.3.1-0.20250307141809-1a6da4c08b8b h1:rafwPxrNSwfHrEMV/qusb4qjMsbkp0sVyTKXZ+UvxZs=
-github.com/erigontech/erigon-snapshot v1.3.1-0.20250307141809-1a6da4c08b8b/go.mod h1:ooHlCl+eEYzebiPu+FP6Q6SpPUeMADn8Jxabv3IKb9M=
+github.com/erigontech/erigon-snapshot v1.3.1-0.20250317154231-2ce6d6e9e6fc h1:MAuInN3QwppF4OXno4JkhwjMD1ece29ayvDFIUELQ6k=
+github.com/erigontech/erigon-snapshot v1.3.1-0.20250317154231-2ce6d6e9e6fc/go.mod h1:ooHlCl+eEYzebiPu+FP6Q6SpPUeMADn8Jxabv3IKb9M=
 github.com/erigontech/erigonwatch v0.0.0-20240718131902-b6576bde1116 h1:KCFa2uXEfZoBjV4buzjWmCmoqVLXiGCq0ZmQ2OjeRvQ=
 github.com/erigontech/erigonwatch v0.0.0-20240718131902-b6576bde1116/go.mod h1:8vQ+VjvLu2gkPs8EwdPrOTAAo++WuLuBi54N7NuAF0I=
 github.com/erigontech/go-kzg-4844 v0.0.0-20250130131058-ce13be60bc86 h1:UKcIbFZUGIKzK4aQbkv/dYiOVxZSUuD3zKadhmfwdwU=