feat(token): enable changing token address from the node config (#2848)

Co-authored-by: Jonathan Rainville <rainville.jonathan@gmail.com>

api/geth_backend.go

@@ -655,7 +655,7 @@ func (b *GethStatusBackend) StartNodeWithAccountAndInitialConfig(
 	if err != nil {
 		return err
 	}
-	return b.StartNodeWithAccount(account, password, nil)
+	return b.StartNodeWithAccount(account, password, nodecfg)
 }
 
 func (b *GethStatusBackend) saveAccountsAndSettings(settings settings.Settings, nodecfg *params.NodeConfig, subaccs []*accounts.Account) error {

params/config.go

@@ -15,6 +15,7 @@ import (
 
 	validator "gopkg.in/go-playground/validator.v9"
 
+	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/p2p/discv5"
 	"github.com/ethereum/go-ethereum/params"
@@ -502,20 +503,26 @@ type NodeConfig struct {
 	OutputMessageCSVEnabled bool
 }
 
+type TokenOverride struct {
+	Symbol  string         `json:"symbol"`
+	Address common.Address `json:"address"`
+}
+
 type Network struct {
-	ChainID                uint64 `json:"chainId"`
-	ChainName              string `json:"chainName"`
-	RPCURL                 string `json:"rpcUrl"`
-	BlockExplorerURL       string `json:"blockExplorerUrl,omitempty"`
-	IconURL                string `json:"iconUrl,omitempty"`
-	NativeCurrencyName     string `json:"nativeCurrencyName,omitempty"`
-	NativeCurrencySymbol   string `json:"nativeCurrencySymbol,omitempty"`
-	NativeCurrencyDecimals uint64 `json:"nativeCurrencyDecimals"`
-	IsTest                 bool   `json:"isTest"`
-	Layer                  uint64 `json:"layer"`
-	Enabled                bool   `json:"enabled"`
-	ChainColor             string `json:"chainColor"`
-	ShortName              string `json:"shortName"`
+	ChainID                uint64          `json:"chainId"`
+	ChainName              string          `json:"chainName"`
+	RPCURL                 string          `json:"rpcUrl"`
+	BlockExplorerURL       string          `json:"blockExplorerUrl,omitempty"`
+	IconURL                string          `json:"iconUrl,omitempty"`
+	NativeCurrencyName     string          `json:"nativeCurrencyName,omitempty"`
+	NativeCurrencySymbol   string          `json:"nativeCurrencySymbol,omitempty"`
+	NativeCurrencyDecimals uint64          `json:"nativeCurrencyDecimals"`
+	IsTest                 bool            `json:"isTest"`
+	Layer                  uint64          `json:"layer"`
+	Enabled                bool            `json:"enabled"`
+	ChainColor             string          `json:"chainColor"`
+	ShortName              string          `json:"shortName"`
+	TokenOverrides         []TokenOverride `json:"tokenOverrides"`
 }
 
 // WalletConfig extra configuration for wallet.Service.

rpc/network/network.go

@@ -70,7 +70,8 @@ func (nq *networksQuery) exec(db *sql.DB) ([]*params.Network, error) {
 }
 
 type Manager struct {
-	db *sql.DB
+	db       *sql.DB
+	networks []params.Network
 }
 
 func NewManager(db *sql.DB) *Manager {
@@ -92,6 +93,7 @@ func (nm *Manager) Init(networks []params.Network) error {
 	if networks == nil {
 		return nil
 	}
+	nm.networks = networks
 
 	var errors string
 	currentNetworks, _ := nm.Get(false)
@@ -175,3 +177,7 @@ func (nm *Manager) Get(onlyEnabled bool) ([]*params.Network, error) {
 
 	return query.exec(nm.db)
 }
+
+func (nm *Manager) GetConfiguredNetworks() []params.Network {
+	return nm.networks
+}

services/wallet/service.go

@@ -30,7 +30,7 @@ func NewService(
 	cryptoOnRampManager := NewCryptoOnRampManager(&CryptoOnRampOptions{
 		dataSourceType: DataSourceStatic,
 	})
-	tokenManager := &TokenManager{db: db, RPCClient: rpcClient, networkManager: rpcClient.NetworkManager}
+	tokenManager := NewTokenManager(db, rpcClient, rpcClient.NetworkManager)
 	savedAddressesManager := &SavedAddressesManager{db: db}
 	transactionManager := &TransactionManager{db: db, transactor: transactor, gethManager: gethManager, config: config, accountsDB: accountsDB}
 	transferController := transfer.NewTransferController(db, rpcClient, accountFeed)

services/wallet/token.go

@@ -41,6 +41,35 @@ type TokenManager struct {
 	networkManager *network.Manager
 }
 
+func NewTokenManager(
+	db *sql.DB,
+	RPCClient *rpc.Client,
+	networkManager *network.Manager,
+) *TokenManager {
+	tokenManager := &TokenManager{db, RPCClient, networkManager}
+
+	// Check the networks' custom tokens to see if we must update the tokenStore
+	networks := networkManager.GetConfiguredNetworks()
+	for _, network := range networks {
+		if len(network.TokenOverrides) == 0 {
+			continue
+		}
+		for _, overrideToken := range network.TokenOverrides {
+			tokensMap, ok := tokenStore[network.ChainID]
+			if !ok {
+				continue
+			}
+			for _, token := range tokensMap {
+				if token.Symbol == overrideToken.Symbol {
+					token.Address = overrideToken.Address
+				}
+			}
+		}
+	}
+
+	return tokenManager
+}
+
 func (tm *TokenManager) findSNT(chainID uint64) *Token {
 	tokensMap, ok := tokenStore[chainID]
 	if !ok {