diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 78dcecb..f161d77 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -2,9 +2,9 @@ name: CI
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   test:
diff --git a/go.mod b/go.mod
index e7e5cbe..59cc72b 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.17
 require (
 	github.com/sirupsen/logrus v1.8.1
 	github.com/trustwallet/go-libs v0.2.17
-	github.com/trustwallet/go-primitives v0.0.11
+	github.com/trustwallet/go-primitives v0.0.14-0.20211130135322-c76db95f1406
 )
 
 require (
@@ -15,7 +15,6 @@ require (
 	github.com/magiconair/properties v1.8.5 // indirect
 	github.com/mitchellh/mapstructure v1.4.1 // indirect
 	github.com/pelletier/go-toml v1.9.3 // indirect
-	github.com/pkg/errors v0.9.1
 	github.com/spf13/afero v1.6.0 // indirect
 	github.com/spf13/cast v1.3.1 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
diff --git a/go.sum b/go.sum
index 6b57baa..b8ad0ba 100644
--- a/go.sum
+++ b/go.sum
@@ -233,8 +233,6 @@ github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTK
 github.com/pelletier/go-toml v1.9.3 h1:zeC5b1GviRUyKYd6OJPvBU/mcVDVoL1OhT17FCt5dSQ=
 github.com/pelletier/go-toml v1.9.3/go.mod h1:u1nR/EPcESfeI/szUZKdtJ0xRNbUoANCkoOuaOx1Y+c=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
-github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
@@ -276,6 +274,8 @@ github.com/trustwallet/go-libs v0.2.17 h1:l2zr5Ow19GTPnoWbhjExAhTbz7xLcYPXBa10EI
 github.com/trustwallet/go-libs v0.2.17/go.mod h1:gBDrDkN5wOY+8kwlU6pnv3l/seGJy2qH1OpTKe7NnXA=
 github.com/trustwallet/go-primitives v0.0.11 h1:uVjm1IssSrur5MjnSbl+LerljnaU8pvgoBxq7krjNvI=
 github.com/trustwallet/go-primitives v0.0.11/go.mod h1:XPY046lWNrCZ67ZsCeQlJYbKTMDpulc9y7hiRjnL9R4=
+github.com/trustwallet/go-primitives v0.0.14-0.20211130135322-c76db95f1406 h1:lezUwyiPYCChVu12XPGlc51cG4GE6hE0ONrKNG/UDQ8=
+github.com/trustwallet/go-primitives v0.0.14-0.20211130135322-c76db95f1406/go.mod h1:jLqd7rm+4EYG5JdpxhngM9HwbqfEXzKy/wK4vUB7STs=
 github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
 github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
diff --git a/pkg/asset/info.go b/pkg/asset/info.go
new file mode 100644
index 0000000..144339c
--- /dev/null
+++ b/pkg/asset/info.go
@@ -0,0 +1,12 @@
+package asset
+
+import "fmt"
+
+func GetAssetInfoPath(chain, tokenID string) string {
+	return fmt.Sprintf("blockchains/%s/assets/%s/info.json", chain, tokenID)
+}
+
+func GetAssetInfoURL(repoOwner, repoName, branch, chain, tokenID string) string {
+	return fmt.Sprintf("https://raw.githubusercontent.com/%s/%s/%s/blockchains/%s/assets/%s/info.json",
+		repoOwner, repoName, branch, chain, tokenID)
+}
diff --git a/pkg/asset/logo.go b/pkg/asset/logo.go
new file mode 100644
index 0000000..73b9ef7
--- /dev/null
+++ b/pkg/asset/logo.go
@@ -0,0 +1,46 @@
+package asset
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/trustwallet/go-primitives/types"
+)
+
+func GetAssetLogoPath(chain, tokenID string) string {
+	return fmt.Sprintf("blockchains/%s/assets/%s/logo.png", chain, tokenID)
+}
+
+func GetAssetLogoURL(repoOwner, repoName, branch, chain, tokenID string) string {
+	return fmt.Sprintf("https://raw.githubusercontent.com/%s/%s/%s/blockchains/%s/assets/%s/logo.png",
+		repoOwner, repoName, branch, chain, tokenID)
+}
+
+func GetTokenFromAssetLogoPath(path string) (tokenID, tokenType string, err error) {
+	for _, t := range types.GetTokenTypes() {
+		chain, err := types.GetChainFromAssetType(string(t))
+		if err != nil {
+			continue
+		}
+
+		prefix := fmt.Sprintf("blockchains/%s/assets/", chain.Handle)
+		suffix := "/logo.png"
+
+		if strings.HasPrefix(path, prefix) && strings.HasSuffix(path, suffix) {
+			tokenType = string(t)
+			tokenID = path[len(prefix):(len(path) - len(suffix))]
+
+			break
+		}
+	}
+
+	if tokenType == "TRC20" && strings.HasPrefix(tokenID, "10") {
+		tokenType = "TRC10"
+	}
+
+	if tokenID == "" && tokenType == "" {
+		return tokenID, tokenType, fmt.Errorf("couldn't get token id and token type")
+	}
+
+	return tokenID, tokenType, nil
+}
diff --git a/pkg/files.go b/pkg/files.go
new file mode 100644
index 0000000..3bfed7f
--- /dev/null
+++ b/pkg/files.go
@@ -0,0 +1,25 @@
+package pkg
+
+import (
+	"strings"
+)
+
+func IsFileAllowedInPR(path string) bool {
+	if strings.HasSuffix(path, "tokenlist.json") {
+		return false
+	}
+	if strings.HasPrefix(path, "blockchains") && strings.Index(path, "assets") > 0 {
+		return true
+	}
+	if strings.HasPrefix(path, "blockchains") && strings.HasSuffix(path, "allowlist.json") {
+		return true
+	}
+	if strings.HasPrefix(path, "blockchains") && strings.HasSuffix(path, "validators/list.json") {
+		return true
+	}
+	if strings.HasPrefix(path, "dapps") {
+		return true
+	}
+
+	return false
+}