Simple market fund manager

node/builder.go

@@ -3,6 +3,7 @@ package node
 import (
 	"context"
 	"errors"
+	"github.com/filecoin-project/lotus/chain/market"
 	"time"
 
 	blockstore "github.com/ipfs/go-ipfs-blockstore"
@@ -221,6 +222,7 @@ func Online() Option {
 
 			Override(new(*paych.Store), paych.NewStore),
 			Override(new(*paych.Manager), paych.NewManager),
+			Override(new(*market.FundMgr), market.NewFundMgr),
 
 			Override(new(*miner.Miner), miner.NewMiner),
 		),

node/impl/full.go

@@ -2,6 +2,7 @@ package impl
 
 import (
 	"context"
+	"github.com/filecoin-project/lotus/node/impl/market"
 
 	"github.com/filecoin-project/lotus/node/impl/client"
 	"github.com/filecoin-project/lotus/node/impl/paych"
@@ -21,6 +22,7 @@ type FullNodeAPI struct {
 	full.ChainAPI
 	client.API
 	full.MpoolAPI
+	market.MarketAPI
 	paych.PaychAPI
 	full.StateAPI
 	full.WalletAPI

node/impl/market/market.go

@@ -0,0 +1,21 @@
+package market
+
+import (
+	"context"
+
+	"go.uber.org/fx"
+
+	"github.com/filecoin-project/lotus/chain/address"
+	"github.com/filecoin-project/lotus/chain/market"
+	"github.com/filecoin-project/lotus/chain/types"
+)
+
+type MarketAPI struct {
+	fx.In
+
+	FMgr *market.FundMgr
+}
+
+func (a *MarketAPI) MarketEnsureAvailable(ctx context.Context, addr address.Address, amt types.BigInt) error {
+	return a.FMgr.EnsureAvailable(ctx, addr, amt)
+}