Account federation (#41)

* refactor: update go-sequence to use proto enums

* deps: update go-sequence

* proto: update schema and generated files

* data: implement (*AccountTable).Delete method

* rpc: implement account intents

* rpc: fix the tests

* rpc: return an error if email already used

* rpc: add more context to ErrEmailAlreadyInUse

* rpc: modify account RPCs to use the new identity.Verifier

* deps: pin go-sequence to v0.31.0

* update protos

data/account.go

@@ -161,3 +161,17 @@ func (t *AccountTable) ListByEmail(ctx context.Context, projectID uint64, email
 
 	return accounts, nil
 }
+
+func (t *AccountTable) Delete(ctx context.Context, projectID uint64, identity proto.Identity) error {
+	acct := Account{ProjectID: projectID, Identity: Identity(identity)}
+	input := &dynamodb.DeleteItemInput{
+		TableName: &t.tableARN,
+		Key:       acct.Key(),
+	}
+
+	_, err := t.db.DeleteItem(ctx, input)
+	if err != nil {
+		return err
+	}
+	return nil
+}

proto/authenticator.ridl

@@ -4,8 +4,10 @@ name = sequence-waas-authenticator
 version = v0.1.0
 
 
-import ./intent.ridl
+import ../vendor/github.com/0xsequence/go-sequence/intents/intent.ridl
+  - IntentName
   - Intent
+  - IntentResponseCode
   - IntentResponse
   - Signature
   - IntentName
@@ -147,6 +149,8 @@ struct SessionData
 error 1000 Unauthorized "Unauthorized access" HTTP 401
 error 1001 TenantNotFound "Tenant not found" HTTP 404
 
+error 2000 EmailAlreadyInUse "Could not create account as the email is already in use" HTTP 409
+
 
 ##
 ## Services

proto/clients/authenticator.gen.ts

@@ -1,5 +1,5 @@
 /* eslint-disable */
-// sequence-waas-authenticator v0.1.0 f7bf79363b992ace30e01ed2c6700c9ad0336c95
+// sequence-waas-authenticator v0.1.0 2b3aee6b2e912ae0b3a6b4878672632d3025a99a
 // --
 // Code generated by [email protected] with typescript generator. DO NOT EDIT.
 //
@@ -12,7 +12,7 @@ export const WebRPCVersion = "v1"
 export const WebRPCSchemaVersion = "v0.1.0"
 
 // Schema hash generated from your RIDL schema
-export const WebRPCSchemaHash = "f7bf79363b992ace30e01ed2c6700c9ad0336c95"
+export const WebRPCSchemaHash = "2b3aee6b2e912ae0b3a6b4878672632d3025a99a"
 
 //
 // Types
@@ -655,6 +655,19 @@ export class TenantNotFoundError extends WebrpcError {
   }
 }
 
+export class EmailAlreadyInUseError extends WebrpcError {
+  constructor(
+    name: string = 'EmailAlreadyInUse',
+    code: number = 2000,
+    message: string = 'Could not create account as the email is already in use',
+    status: number = 0,
+    cause?: string
+  ) {
+    super(name, code, message, status, cause)
+    Object.setPrototypeOf(this, EmailAlreadyInUseError.prototype)
+  }
+}
+
 
 export enum errors {
   WebrpcEndpoint = 'WebrpcEndpoint',
@@ -670,6 +683,7 @@ export enum errors {
   WebrpcStreamFinished = 'WebrpcStreamFinished',
   Unauthorized = 'Unauthorized',
   TenantNotFound = 'TenantNotFound',
+  EmailAlreadyInUse = 'EmailAlreadyInUse',
 }
 
 const webrpcErrorByCode: { [code: number]: any } = {
@@ -686,6 +700,7 @@ const webrpcErrorByCode: { [code: number]: any } = {
   [-10]: WebrpcStreamFinishedError,
   [1000]: UnauthorizedError,
   [1001]: TenantNotFoundError,
+  [2000]: EmailAlreadyInUseError,
 }
 
 export type Fetch = (input: RequestInfo, init?: RequestInit) => Promise<Response>