feat(user-settings): set up

serverless.yml

@@ -30,9 +30,26 @@ custom:
             - {path: doges-on-trial, description: 'Microservices for the Doges on Trial dapp.'}
         models:
             - {name: ErrorResponse, description: 'An error response.', contentType: application/json, schema: '${file(src/models/error.json)}'}
+            - {name: PatchUserSettingsRequest, description: 'The request for patchUserSettings.', contentType: application/json, schema: '${file(src/global/models/user-settings.json):patch.request}'}
+            - {name: PatchUserSettingsResponse, description: 'The response for patchUserSettings.', contentType: application/json, schema: '${file(src/global/models/user-settings.json):patch.response}'}
             - {name: PostDogesOnTrialDogeImagesRequest, description: 'The request for postDogesOnTrialDogeImages.', contentType: application/json, schema: '${file(src/doges-on-trial/models/doge-images.json):post.request}'}
             - {name: PostDogesOnTrialDogeImagesResponse, description: 'The response for postDogesOnTrialDogeImages.', contentType: application/json, schema: '${file(src/doges-on-trial/models/doge-images.json):post.response}'}
 functions:
+    patchUserSettings:
+        handler: src/global/user-settings.patch
+        events:
+            - {http: {path: user-settings, method: patch, cors: true}}
+        environment:
+            INFURA_URL: '${self:custom.kmsSecrets.secrets.${self:custom.environments.${self:provider.stage}}_INFURA_URL}'
+        iamRoleStatementsName: 'patchUserSettings-${self:provider.stage}-lambda-role'
+        iamRoleStatements:
+            - {Effect: Allow, Action: ['KMS:Decrypt'], Resource: '${self:custom.kmsSecrets.keyArn}'}
+            - {Effect: Allow, Action: ['dynamodb:UpdateItem'], Resource: 'arn:aws:dynamodb:us-east-2:547511976516:table/user-settings'}
+        documentation:
+            summary: 'Update user settings.'
+            description: 'Update user settings for an Ethereum address.'
+            requestModels: {application/json: PatchUserSettingsRequest}
+            methodResponses: [{statusCode: '200', responseModels: {application/json: PatchUserSettingsResponse}}, {statusCode: '400', responseModels: {application/json: ErrorResponse}}]
     postDogesOnTrialDogeImages:
         handler: src/doges-on-trial/doge-images.post
         events:

src/global/models/user-settings.json

@@ -0,0 +1,40 @@
+{
+  "patch": {
+    "request": {
+      "type": "object",
+      "properties": {
+        "payload": {
+          "type": "object",
+          "properties": {
+            "address": {
+              "type": "string",
+              "description": "The address to update settings for."
+            },
+            "settings": {
+              "type": "object",
+              "description": "The settings update."
+            },
+            "signature": {
+              "type": "string",
+              "description": "The signed settings update object."
+            }
+          }
+        }
+      }
+    },
+    "response": {
+      "type": "object",
+      "properties": {
+        "payload": {
+          "type": "object",
+          "properties": {
+            "settings": {
+              "type": "object",
+              "description": "The updated settings object."
+            }
+          }
+        }
+      }
+    }
+  }
+}

src/utils/dynamo-db.js

@@ -0,0 +1,9 @@
+const { promisify } = require('util')
+
+const { DynamoDB } = require('aws-sdk')
+
+const dynamoDB = new DynamoDB({ apiVersion: '2012-08-10', region: 'us-east-2' })
+dynamoDB.getItem = promisify(dynamoDB.getItem)
+dynamoDB.putItem = promisify(dynamoDB.putItem)
+
+export default dynamoDB