supplyverifer: test FetchPreCommits and FetchDelegationKey

Add unit tests and supporting mock functionality.

Author: ffranr

universe/supplyverifier/mock.go

@@ -0,0 +1,76 @@
+package supplyverifier
+
+import (
+	"context"
+
+	"github.com/btcsuite/btcd/wire"
+	"github.com/lightninglabs/taproot-assets/asset"
+	"github.com/lightninglabs/taproot-assets/universe/supplycommit"
+	lfn "github.com/lightningnetwork/lnd/fn/v2"
+	"github.com/stretchr/testify/mock"
+)
+
+// MockSupplyCommitView is a mock implementation of the SupplyCommitView
+// interface.
+type MockSupplyCommitView struct {
+	mock.Mock
+}
+
+func (m *MockSupplyCommitView) UnspentPrecommits(ctx context.Context,
+	assetSpec asset.Specifier,
+	localIssuerOnly bool) lfn.Result[supplycommit.PreCommits] {
+
+	args := m.Called(ctx, assetSpec, localIssuerOnly)
+	return args.Get(0).(lfn.Result[supplycommit.PreCommits])
+}
+
+func (m *MockSupplyCommitView) FetchStartingCommitment(ctx context.Context,
+	assetSpec asset.Specifier) (*supplycommit.RootCommitment, error) {
+
+	args := m.Called(ctx, assetSpec)
+	if args.Get(0) == nil {
+		return nil, args.Error(1)
+	}
+	return args.Get(0).(*supplycommit.RootCommitment), args.Error(1)
+}
+
+func (m *MockSupplyCommitView) FetchLatestCommitment(ctx context.Context,
+	assetSpec asset.Specifier) (*supplycommit.RootCommitment, error) {
+
+	args := m.Called(ctx, assetSpec)
+	if args.Get(0) == nil {
+		return nil, args.Error(1)
+	}
+	return args.Get(0).(*supplycommit.RootCommitment), args.Error(1)
+}
+
+func (m *MockSupplyCommitView) FetchCommitmentByOutpoint(ctx context.Context,
+	assetSpec asset.Specifier,
+	outpoint wire.OutPoint) (*supplycommit.RootCommitment, error) {
+
+	args := m.Called(ctx, assetSpec, outpoint)
+	if args.Get(0) == nil {
+		return nil, args.Error(1)
+	}
+	return args.Get(0).(*supplycommit.RootCommitment), args.Error(1)
+}
+
+func (m *MockSupplyCommitView) FetchCommitmentBySpentOutpoint(
+	ctx context.Context, assetSpec asset.Specifier,
+	spentOutpoint wire.OutPoint) (*supplycommit.RootCommitment, error) {
+
+	args := m.Called(ctx, assetSpec, spentOutpoint)
+	if args.Get(0) == nil {
+		return nil, args.Error(1)
+	}
+	return args.Get(0).(*supplycommit.RootCommitment), args.Error(1)
+}
+
+func (m *MockSupplyCommitView) InsertSupplyCommit(ctx context.Context,
+	assetSpec asset.Specifier, commit supplycommit.RootCommitment,
+	leaves supplycommit.SupplyLeaves,
+	unspentPreCommits supplycommit.PreCommits) error {
+
+	args := m.Called(ctx, assetSpec, commit, leaves, unspentPreCommits)
+	return args.Error(0)
+}