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nip60: upon receive do not swap into mints unless explicitly asked for.

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This commit is contained in:
fiatjaf 2025-02-05 16:33:10 -03:00
parent 0330c198fb
commit 41b7261735
3 changed files with 13 additions and 37 deletions
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12
nip60/receive.go
View File

@ -47,12 +47,8 @@ func (w *Wallet) Receive(
source, _ := nostr.NormalizeHTTPURL(mint)
destination := rs.intoMint
if len(destination) == 0 {
destination = w.Mints
}
lightningSwap := slices.Contains(destination, source)
swapOpts := make([]SwapOption, 0, 1)
swapSettings := swapSettings{}
for i, proof := range proofs {
if proof.Secret != "" {
@ -60,7 +56,8 @@ func (w *Wallet) Receive(
if err == nil {
switch nut10Secret.Kind {
case nut10.P2PK:
swapOpts = append(swapOpts, WithSignedOutputs())
swapSettings.mustSignOutputs = true
proofs[i].Witness, err = signInput(w.PrivateKey, proof)
if err != nil {
return fmt.Errorf("failed to sign locked proof %d: %w", i, err)
@ -80,7 +77,7 @@ func (w *Wallet) Receive(
}
// get new proofs
newProofs, _, err := w.swapProofs(ctx, source, proofs, proofs.Amount(), swapOpts...)
newProofs, _, err := w.swapProofs(ctx, source, proofs, proofs.Amount(), swapSettings)
if err != nil {
return err
}
@ -89,6 +86,7 @@ func (w *Wallet) Receive(
// if we have to swap to our own mint we do it now by getting a bolt11 invoice from our mint
// and telling the current mint to pay it
lightningSwap := slices.Contains(destination, source)
if lightningSwap {
for _, targetMint := range destination {
swappedProofs, err, status := lightningMeltMint(

17
nip60/send.go
View File

@ -68,8 +68,7 @@ func (w *Wallet) Send(ctx context.Context, amount uint64, opts ...SendOption) (c
return nil, "", err
}
swapOpts := make([]SwapOption, 0, 2)
swapSettings := swapSettings{}
if ss.p2pk != nil {
if info, err := client.GetMintInfo(ctx, chosen.mint); err != nil || !info.Nuts.Nut11.Supported {
return nil, chosen.mint, fmt.Errorf("mint doesn't support p2pk: %w", err)
@ -85,17 +84,15 @@ func (w *Wallet) Send(ctx context.Context, amount uint64, opts ...SendOption) (c
tags.Locktime = ss.refundtimelock
}
swapOpts = append(swapOpts, WithSpendingCondition(
nut10.SpendingCondition{
Kind: nut10.P2PK,
Data: hex.EncodeToString(ss.p2pk.SerializeCompressed()),
Tags: nut11.SerializeP2PKTags(tags),
},
))
swapSettings.spendingCondition = &nut10.SpendingCondition{
Kind: nut10.P2PK,
Data: hex.EncodeToString(ss.p2pk.SerializeCompressed()),
Tags: nut11.SerializeP2PKTags(tags),
}
}
// get new proofs
proofsToSend, changeProofs, err := w.swapProofs(ctx, chosen.mint, chosen.proofs, amount, swapOpts...)
proofsToSend, changeProofs, err := w.swapProofs(ctx, chosen.mint, chosen.proofs, amount, swapSettings)
if err != nil {
return nil, chosen.mint, err
}

21
nip60/swap.go
View File

@ -13,20 +13,6 @@ import (
"github.com/nbd-wtf/go-nostr/nip60/client"
)
type SwapOption func(*swapSettings)
func WithSignedOutputs() SwapOption {
return func(ss *swapSettings) {
ss.mustSignOutputs = true
}
}
func WithSpendingCondition(sc nut10.SpendingCondition) SwapOption {
return func(ss *swapSettings) {
ss.spendingCondition = &sc
}
}
type swapSettings struct {
spendingCondition *nut10.SpendingCondition
mustSignOutputs bool
@ -37,13 +23,8 @@ func (w *Wallet) swapProofs(
mint string,
proofs cashu.Proofs,
targetAmount uint64,
opts ...SwapOption,
ss swapSettings,
) (principal cashu.Proofs, change cashu.Proofs, err error) {
var ss swapSettings
for _, opt := range opts {
opt(&ss)
}
keysets, err := client.GetAllKeysets(ctx, mint)
if err != nil {
return nil, nil, fmt.Errorf("failed to get all keysets for %s: %w", mint, err)