impl: Split full node implementation

node/impl/full/wallet.go

@@ -0,0 +1,70 @@
+package full
+
+import (
+	"context"
+
+	"github.com/filecoin-project/go-lotus/chain/address"
+	"github.com/filecoin-project/go-lotus/chain/store"
+	"github.com/filecoin-project/go-lotus/chain/types"
+	"github.com/filecoin-project/go-lotus/chain/wallet"
+
+	"go.uber.org/fx"
+	"golang.org/x/xerrors"
+)
+
+type WalletAPI struct {
+	fx.In
+
+	Chain  *store.ChainStore
+	Wallet *wallet.Wallet
+}
+
+func (a *WalletAPI) WalletNew(ctx context.Context, typ string) (address.Address, error) {
+	return a.Wallet.GenerateKey(typ)
+}
+
+func (a *WalletAPI) WalletHas(ctx context.Context, addr address.Address) (bool, error) {
+	return a.Wallet.HasKey(addr)
+}
+
+func (a *WalletAPI) WalletList(ctx context.Context) ([]address.Address, error) {
+	return a.Wallet.ListAddrs()
+}
+
+func (a *WalletAPI) WalletBalance(ctx context.Context, addr address.Address) (types.BigInt, error) {
+	return a.Chain.GetBalance(addr)
+}
+
+func (a *WalletAPI) WalletSign(ctx context.Context, k address.Address, msg []byte) (*types.Signature, error) {
+	return a.Wallet.Sign(ctx, k, msg)
+}
+
+func (a *WalletAPI) WalletSignMessage(ctx context.Context, k address.Address, msg *types.Message) (*types.SignedMessage, error) {
+	msgbytes, err := msg.Serialize()
+	if err != nil {
+		return nil, err
+	}
+
+	sig, err := a.WalletSign(ctx, k, msgbytes)
+	if err != nil {
+		return nil, xerrors.Errorf("failed to sign message: %w", err)
+	}
+
+	return &types.SignedMessage{
+		Message:   *msg,
+		Signature: *sig,
+	}, nil
+}
+
+func (a *WalletAPI) WalletDefaultAddress(ctx context.Context) (address.Address, error) {
+	addrs, err := a.Wallet.ListAddrs()
+	if err != nil {
+		return address.Undef, err
+	}
+	if len(addrs) == 0 {
+		return address.Undef, xerrors.New("no addresses in wallet")
+	}
+
+	// TODO: store a default address in the config or 'wallet' portion of the repo
+	return addrs[0], nil
+}