[NONEVM-864] Add aptos chain selector (#68)

* Add aptos chain selectors

aptos.go

@@ -0,0 +1,71 @@
+package chain_selectors
+
+import (
+	_ "embed"
+	"fmt"
+
+	"gopkg.in/yaml.v3"
+)
+
+//go:generate go run genchains_aptos.go
+
+//go:embed selectors_aptos.yml
+var aptosSelectorsYml []byte
+
+var (
+	aptosSelectorsMap      = parseAptosYml(aptosSelectorsYml)
+	aptosChainIdBySelector = make(map[uint64]uint64)
+)
+
+func init() {
+	for k, v := range aptosSelectorsMap {
+		aptosChainIdBySelector[v.ChainSelector] = k
+	}
+}
+
+func parseAptosYml(ymlFile []byte) map[uint64]ChainDetails {
+	type ymlData struct {
+		SelectorsByAptosChainId map[uint64]ChainDetails `yaml:"selectors"`
+	}
+
+	var data ymlData
+	err := yaml.Unmarshal(ymlFile, &data)
+	if err != nil {
+		panic(err)
+	}
+
+	validateAptosChainID(data.SelectorsByAptosChainId)
+	return data.SelectorsByAptosChainId
+}
+
+func validateAptosChainID(data map[uint64]ChainDetails) {
+	// TODO: https://smartcontract-it.atlassian.net/browse/NONEVM-890
+}
+
+func AptosChainIdToChainSelector() map[uint64]uint64 {
+	copyMap := make(map[uint64]uint64, len(aptosSelectorsMap))
+	for k, v := range aptosSelectorsMap {
+		copyMap[k] = v.ChainSelector
+	}
+	return copyMap
+}
+
+func AptosNameFromChainId(chainId uint64) (string, error) {
+	details, exist := aptosSelectorsMap[chainId]
+	if !exist {
+		return "", fmt.Errorf("chain name not found for chain %v", chainId)
+	}
+	if details.ChainName == "" {
+		return fmt.Sprint(chainId), nil
+	}
+	return details.ChainName, nil
+}
+
+func AptosChainIdFromSelector(selector uint64) (uint64, error) {
+	chainId, exist := aptosChainIdBySelector[selector]
+	if !exist {
+		return 0, fmt.Errorf("chain id not found for selector %d", selector)
+	}
+
+	return chainId, nil
+}

aptos_test.go

@@ -0,0 +1,71 @@
+package chain_selectors
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func Test_AptosYmlAreValid(t *testing.T) {
+	tests := []struct {
+		name          string
+		chainSelector uint64
+		chainsId      uint64
+		expectErr     bool
+	}{
+		{
+			name:          "aptos-mainnet",
+			chainSelector: 124615329519749607,
+			chainsId:      1,
+			expectErr:     false,
+		},
+		{
+			name:          "aptos-testnet",
+			chainSelector: 6302590918974934319,
+			chainsId:      2,
+			expectErr:     false,
+		},
+		{
+			name:          "non-existing",
+			chainSelector: 81923186267,
+			chainsId:      471,
+			expectErr:     true,
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			name, err1 := AptosNameFromChainId(test.chainsId)
+			if test.expectErr {
+				require.Error(t, err1)
+				return
+			}
+			require.NoError(t, err1)
+			assert.Equal(t, test.name, name)
+		})
+	}
+}
+
+func Test_AptosChainSelectors(t *testing.T) {
+	for selector, chainId := range aptosChainIdBySelector {
+		family, err := GetSelectorFamily(selector)
+		require.NoError(t, err,
+			"selector %v should be returned as aptos family, but received %v",
+			selector, err)
+		require.NotEmpty(t, family)
+		require.Equal(t, FamilyAptos, family)
+
+		id, err := AptosChainIdFromSelector(selector)
+		require.Nil(t, err)
+		require.Equal(t, chainId, id)
+	}
+}
+
+func Test_AptosGetChainDetailsByChainIDAndFamily(t *testing.T) {
+	for k, v := range aptosSelectorsMap {
+		details, err := GetChainDetailsByChainIDAndFamily(fmt.Sprint(k), FamilyAptos)
+		assert.NoError(t, err)
+		assert.Equal(t, v, details)
+	}
+}

genchains_aptos.go

@@ -0,0 +1,114 @@
+//go:build ignore
+
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"go/format"
+	"html/template"
+	"os"
+	"sort"
+	"strconv"
+	"strings"
+	"unicode"
+
+	chain_selectors "github.com/smartcontractkit/chain-selectors"
+)
+
+const filename = "generated_chains_aptos.go"
+
+type chain struct {
+	ChainID  uint64
+	Selector uint64
+	Name     string
+	VarName  string
+}
+
+var chainTemplate, _ = template.New("").Parse(`// Code generated by go generate please DO NOT EDIT
+package chain_selectors
+
+type AptosChain struct {
+	ChainID    uint64
+	Selector   uint64
+	Name       string
+	VarName    string
+}
+
+var (
+{{ range . }}
+	{{.VarName}} = AptosChain{ChainID: {{ .ChainID }}, Selector: {{ .Selector }}, Name: "{{ .Name }}"}{{ end }}
+)
+
+var AptosALL = []AptosChain{
+{{ range . }}{{ .VarName }},
+{{ end }}
+}
+
+`)
+
+func main() {
+	src, err := genChainsSourceCode()
+	if err != nil {
+		panic(err)
+	}
+
+	formatted, err := format.Source([]byte(src))
+	if err != nil {
+		panic(err)
+	}
+
+	existingContent, err := os.ReadFile(filename)
+	if err != nil {
+		panic(err)
+	}
+
+	if string(existingContent) == string(formatted) {
+		fmt.Println("aptos: no changes detected")
+		return
+	}
+	fmt.Println("aptos: updating generations")
+
+	err = os.WriteFile(filename, formatted, 0644)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func genChainsSourceCode() (string, error) {
+	var wr = new(bytes.Buffer)
+	chains := make([]chain, 0)
+
+	for ChainID, chainSel := range chain_selectors.AptosChainIdToChainSelector() {
+		name, err := chain_selectors.AptosNameFromChainId(ChainID)
+		if err != nil {
+			return "", err
+		}
+
+		chains = append(chains, chain{
+			ChainID:  ChainID,
+			Selector: chainSel,
+			Name:     name,
+			VarName:  toVarName(name, chainSel),
+		})
+	}
+
+	sort.Slice(chains, func(i, j int) bool { return chains[i].VarName < chains[j].VarName })
+	if err := chainTemplate.ExecuteTemplate(wr, "", chains); err != nil {
+		return "", err
+	}
+	return wr.String(), nil
+}
+
+func toVarName(name string, chainSel uint64) string {
+	const unnamed = "TEST"
+	x := strings.ReplaceAll(name, "-", "_")
+	x = strings.ToUpper(x)
+	if len(x) > 0 && unicode.IsDigit(rune(x[0])) {
+		x = unnamed + "_" + x
+	}
+	if len(x) == 0 {
+		x = unnamed + "_" + strconv.FormatUint(chainSel, 10)
+	}
+	return x
+}

genchains_evm.go

@@ -64,9 +64,10 @@ func main() {
 	}
 
 	if string(existingContent) == string(formatted) {
-		fmt.Println("no changes detected")
+		fmt.Println("evm: no changes detected")
 		return
 	}
+	fmt.Println("evm: updating generations")
 
 	err = os.WriteFile(filename, formatted, 0644)
 	if err != nil {

genchains_solana.go

@@ -64,9 +64,10 @@ func main() {
 	}
 
 	if string(existingContent) == string(formatted) {
-		fmt.Println("no changes detected")
+		fmt.Println("solana: no changes detected")
 		return
 	}
+	fmt.Println("solana: updating generations")
 
 	err = os.WriteFile(filename, formatted, 0644)
 	if err != nil {

selectors.go

@@ -26,6 +26,12 @@ func GetSelectorFamily(selector uint64) (string, error) {
 		return FamilySolana, nil
 	}
 
+	// check aptos
+	_, exist = aptosChainIdBySelector[selector]
+	if exist {
+		return FamilyAptos, nil
+	}
+
 	return "", fmt.Errorf("unknown chain selector %d", selector)
 }
 
@@ -49,6 +55,18 @@ func GetChainDetailsByChainIDAndFamily(chainID string, family string) (ChainDeta
 			return ChainDetails{}, fmt.Errorf("invalid chain id %s for %s", chainID, family)
 		}
 
+		return details, nil
+	case FamilyAptos:
+		aptosChainId, err := strconv.ParseUint(chainID, 10, 64)
+		if err != nil {
+			return ChainDetails{}, fmt.Errorf("invalid chain id %s for %s", chainID, family)
+		}
+
+		details, exist := aptosSelectorsMap[aptosChainId]
+		if !exist {
+			return ChainDetails{}, fmt.Errorf("invalid chain id %s for %s", chainID, family)
+		}
+
 		return details, nil
 	default:
 		return ChainDetails{}, fmt.Errorf("family %s is not yet support", family)

selectors_aptos.yml

@@ -0,0 +1,7 @@
+selectors:
+  1:
+    name: aptos-mainnet
+    selector: 4741433654826277614
+  2: 
+    name: aptos-testnet
+    selector: 743186221051783445