TRON driver update

api/gateway/tron/internal/service/gateway/commands/wallet/create.go

@@ -76,7 +76,7 @@ func (c *createManagedWalletCommand) Execute(ctx context.Context, req *chainv1.C
 		c.deps.Logger.Warn("Missing token symbol")
 		return gsresponse.InvalidArgument[chainv1.CreateManagedWalletResponse](c.deps.Logger, mservice.ChainGateway, merrors.InvalidArgument("asset.token_symbol is required"))
 	}
-	contractAddress := strings.ToLower(strings.TrimSpace(asset.GetContractAddress()))
+	contractAddress := strings.TrimSpace(asset.GetContractAddress())
 	if contractAddress == "" {
 		if !strings.EqualFold(tokenSymbol, networkCfg.NativeToken) {
 			contractAddress = shared.ResolveContractAddress(networkCfg.TokenConfigs, tokenSymbol)

api/gateway/tron/internal/service/gateway/driver/evm/evm.go

@@ -2,7 +2,9 @@ package evm
 
 import (
 	"context"
+	"encoding/hex"
 	"errors"
+	"fmt"
 	"math/big"
 	"strings"
 	"time"
@@ -13,6 +15,7 @@ import (
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/rpc"
+	"github.com/shengdoushi/base58"
 	"github.com/shopspring/decimal"
 	"github.com/tech/sendico/gateway/tron/internal/service/gateway/driver"
 	"github.com/tech/sendico/gateway/tron/internal/service/gateway/shared"
@@ -59,6 +62,34 @@ const erc20ABIJSON = `
 	}
 ]`
 
+func TronBase58ToHex(addr string) (string, error) {
+	const (
+		tronAddrLen   = 25
+		tronPrefix    = byte(0x41)
+		payloadLen    = 21
+		checksumBytes = 4
+	)
+
+	raw, err := base58.Decode(addr, base58.BitcoinAlphabet)
+	if err != nil {
+		return "", merrors.InvalidArgument(fmt.Sprintf("tron address: base58 decode failed: %s", err.Error()))
+	}
+
+	if len(raw) != tronAddrLen {
+		return "", merrors.DataConflict("tron address: invalid length")
+	}
+
+	// 21 байт: prefix + 20 байт EVM адреса
+	payload := raw[:payloadLen]
+
+	if payload[0] != tronPrefix {
+		return "", merrors.DataConflict("tron address: invalid prefix")
+	}
+
+	evm := payload[1:payloadLen]
+	return "0x" + hex.EncodeToString(evm), nil
+}
+
 // NormalizeAddress validates and normalizes EVM hex addresses.
 func NormalizeAddress(address string) (string, error) {
 	trimmed := strings.TrimSpace(address)
@@ -116,7 +147,7 @@ func Balance(ctx context.Context, deps driver.Deps, network shared.Network, wall
 		zap.String("wallet_ref", wallet.WalletRef),
 		zap.String("network", network.Name.String()),
 		zap.String("token_symbol", strings.ToUpper(strings.TrimSpace(wallet.TokenSymbol))),
-		zap.String("contract", strings.ToLower(strings.TrimSpace(wallet.ContractAddress))),
+		zap.String("contract", strings.TrimSpace(wallet.ContractAddress)),
 		zap.String("wallet_address", normalizedAddress),
 	}
 	if rpcURL == "" {