feat: Framework Init - base template with Outbound transport config

- Add New(opts) function which takes in the options to configuration
- Support outbound transport configuration

Closes #78

Signed-off-by: Rolson Quadras <[email protected]>

pkg/framework/default.go

@@ -0,0 +1,20 @@
+/*
+Copyright SecureKey Technologies Inc. All Rights Reserved.
+
+SPDX-License-Identifier: Apache-2.0
+*/
+
+package framework
+
+import (
+	"github.com/hyperledger/aries-framework-go/pkg/didcomm/transport"
+)
+
+// defFramework provides default framework configs
+type defFramework struct{}
+
+// outboundTransport provides default OutboundTransport
+func (d defFramework) outboundTransport() (transport.OutboundTransport, error) {
+	// TODO - https://github.com/hyperledger/aries-framework-go/issues/83
+	return nil, nil
+}

pkg/framework/framework.go

@@ -0,0 +1,66 @@
+/*
+Copyright SecureKey Technologies Inc. All Rights Reserved.
+
+SPDX-License-Identifier: Apache-2.0
+*/
+
+package framework
+
+import (
+	"github.com/hyperledger/aries-framework-go/pkg/didcomm/transport"
+	errors "golang.org/x/xerrors"
+)
+
+// AriesFramework provides access to clients being managed by the Framework.
+type AriesFramework struct {
+	opts options
+}
+
+type options struct {
+	OutboundTransport transport.OutboundTransport
+}
+
+// Option configures the framework.
+type Option func(opts *options) error
+
+// New initializes the Framework based on the set of options provided.
+func New(opts ...Option) (*AriesFramework, error) {
+	// get the default framework configs
+	def := defFramework{}
+
+	// outbound transport
+	ot, err := def.outboundTransport()
+	if err != nil {
+		return nil, errors.Errorf("Default outbound transport init failed : %w", err)
+	}
+
+	// create framework with default configs
+	framework := &AriesFramework{
+		opts: options{
+			OutboundTransport: ot,
+		},
+	}
+
+	// generate framework configs from options
+	for _, option := range opts {
+		err := option(&framework.opts)
+		if err != nil {
+			return nil, errors.Errorf("Error in option passed to New: %w", err)
+		}
+	}
+
+	return framework, nil
+}
+
+// WithOutboundTransport injects a OutboundTransport interface to the Framework
+func WithOutboundTransport(ot transport.OutboundTransport) Option {
+	return func(opts *options) error {
+		opts.OutboundTransport = ot
+		return nil
+	}
+}
+
+// OutboundTransport provides configured OutboundTransport
+func (f *AriesFramework) OutboundTransport() transport.OutboundTransport {
+	return f.opts.OutboundTransport
+}

pkg/framework/framework_test.go

@@ -0,0 +1,29 @@
+/*
+Copyright SecureKey Technologies Inc. All Rights Reserved.
+
+SPDX-License-Identifier: Apache-2.0
+*/
+
+package framework
+
+import (
+	"testing"
+
+	"github.com/hyperledger/aries-framework-go/pkg/didcomm/protocol/exchange"
+	mocktransport "github.com/hyperledger/aries-framework-go/pkg/internal/didcomm/transport/mock"
+	"github.com/stretchr/testify/require"
+)
+
+func TestFramework(t *testing.T) {
+	ot := mocktransport.NewOutboundTransport("success")
+
+	f, err := New(WithOutboundTransport(ot))
+	require.NoError(t, err)
+
+	req := &exchange.Request{
+		ID:    "5678876542345",
+		Label: "Bob",
+	}
+
+	require.NoError(t, exchange.SendExchangeRequest(req, "http://example/didexchange", f.OutboundTransport()))
+}