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feat: PaychAvailableFunds API method

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This commit is contained in:
Dirk McCormick
2020-09-02 14:31:32 +02:00
parent b8bbbf3ea3
commit 2c98bf0cc7
14 changed files with 675 additions and 226 deletions
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node/impl/paych/paych.go
+15 -40
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@@ -3,9 +3,10 @@ package paych
import (
"context"
"golang.org/x/xerrors"
"github.com/ipfs/go-cid"
"go.uber.org/fx"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/specs-actors/actors/builtin/paych"
@@ -38,6 +39,10 @@ func (a *PaychAPI) PaychGet(ctx context.Context, from, to address.Address, amt t
}, nil
}
func (a *PaychAPI) PaychAvailableFunds(from, to address.Address) (*api.ChannelAvailableFunds, error) {
return a.PaychMgr.AvailableFunds(from, to)
}
func (a *PaychAPI) PaychGetWaitReady(ctx context.Context, sentinel cid.Cid) (address.Address, error) {
return a.PaychMgr.GetPaychWaitReady(ctx, sentinel)
}
@@ -64,9 +69,7 @@ func (a *PaychAPI) PaychNewPayment(ctx context.Context, from, to address.Address
svs := make([]*paych.SignedVoucher, len(vouchers))
for i, v := range vouchers {
sv, err := a.paychVoucherCreate(ctx, ch.Channel, paych.SignedVoucher{
ChannelAddr: ch.Channel,
sv, err := a.PaychMgr.CreateVoucher(ctx, ch.Channel, paych.SignedVoucher{
Amount: v.Amount,
Lane: lane,
@@ -78,8 +81,11 @@ func (a *PaychAPI) PaychNewPayment(ctx context.Context, from, to address.Address
if err != nil {
return nil, err
}
if sv.Voucher == nil {
return nil, xerrors.Errorf("Could not create voucher - shortfall of %d", sv.Shortfall)
}
svs[i] = sv
svs[i] = sv.Voucher
}
return &api.PaymentInfo{
@@ -129,41 +135,10 @@ func (a *PaychAPI) PaychVoucherAdd(ctx context.Context, ch address.Address, sv *
// that will be used to create the voucher, so if previous vouchers exist, the
// actual additional value of this voucher will only be the difference between
// the two.
func (a *PaychAPI) PaychVoucherCreate(ctx context.Context, pch address.Address, amt types.BigInt, lane uint64) (*paych.SignedVoucher, error) {
return a.paychVoucherCreate(ctx, pch, paych.SignedVoucher{ChannelAddr: pch, Amount: amt, Lane: lane})
}
func (a *PaychAPI) paychVoucherCreate(ctx context.Context, pch address.Address, voucher paych.SignedVoucher) (*paych.SignedVoucher, error) {
ci, err := a.PaychMgr.GetChannelInfo(pch)
if err != nil {
return nil, xerrors.Errorf("get channel info: %w", err)
}
nonce, err := a.PaychMgr.NextNonceForLane(ctx, pch, voucher.Lane)
if err != nil {
return nil, xerrors.Errorf("getting next nonce for lane: %w", err)
}
sv := &voucher
sv.Nonce = nonce
vb, err := sv.SigningBytes()
if err != nil {
return nil, err
}
sig, err := a.WalletSign(ctx, ci.Control, vb)
if err != nil {
return nil, err
}
sv.Signature = sig
if _, err := a.PaychMgr.AddVoucherOutbound(ctx, pch, sv, nil, types.NewInt(0)); err != nil {
return nil, xerrors.Errorf("failed to persist voucher: %w", err)
}
return sv, nil
// If there are insufficient funds in the channel to create the voucher,
// returns a nil voucher and the shortfall.
func (a *PaychAPI) PaychVoucherCreate(ctx context.Context, pch address.Address, amt types.BigInt, lane uint64) (*api.VoucherCreateResult, error) {
return a.PaychMgr.CreateVoucher(ctx, pch, paych.SignedVoucher{Amount: amt, Lane: lane})
}
func (a *PaychAPI) PaychVoucherList(ctx context.Context, pch address.Address) ([]*paych.SignedVoucher, error) {