server/dex: use the real bond parser

server/dex/dex.go

@@ -6,6 +6,7 @@ package dex
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"strconv"
 	"strings"
@@ -19,6 +20,7 @@ import (
 	"decred.org/dcrdex/server/account"
 	"decred.org/dcrdex/server/apidata"
 	"decred.org/dcrdex/server/asset"
+	"decred.org/dcrdex/server/asset/dcr"
 	"decred.org/dcrdex/server/auth"
 	"decred.org/dcrdex/server/coinlock"
 	"decred.org/dcrdex/server/comms"
@@ -602,9 +604,17 @@ func NewDEX(ctx context.Context, cfg *DexConf) (*DEX, error) {
 		return fc.FeeCoin(coinID)
 	}
 
-	dummyBondParser := func(assetID uint32, ver uint16, rawTx, bondScript []byte) (bondCoinID []byte, amt int64, bondAddr string,
-		lockTime int64, acct account.AccountID, err error) {
-		return // actual parser will wrap server/asset/dcr.ParseBondTx
+	bondTxParser := func(assetID uint32, version uint16, rawTx, bondData []byte) (bondCoinID []byte, amt int64,
+		bondAddr string, lockTime int64, acct account.AccountID, err error) {
+		if assetID != dcr.BipID {
+			err = errors.New("asset not supported")
+			return
+		}
+		// TODO: If the parser remains a package-level function, consider a
+		// driver method. If the parser becomes a backend method, get it from
+		// the backedAssets map containing the asset.Backend instances.
+		bondCoinID, amt, bondAddr, _, lockTime, acct, err = dcr.ParseBondTx(version, rawTx)
+		return
 	}
 
 	authCfg := auth.Config{
@@ -615,7 +625,7 @@ func NewDEX(ctx context.Context, cfg *DexConf) (*DEX, error) {
 		FeeChecker:        feeChecker,
 		BondConfs:         1, // TODO
 		BondIncrement:     cfg.BondIncrement,
-		BondTxParser:      dummyBondParser, // NOTE: backend instantiation sets the package-level network params
+		BondTxParser:      bondTxParser,
 		BondExpiry:        uint64(bondExpiry),
 		UserUnbooker:      userUnbookFun,
 		MiaUserTimeout:    cfg.BroadcastTimeout,