Add marketplace service

.gitignore

@@ -21,4 +21,5 @@ node_modules
 
 # do not store vendor dir
 vendor
-tmp-systemservices
+tmp-systemservices
+node_modules

systemservices/marketplace/.dockerignore

@@ -0,0 +1,3 @@
+node_modules
+.DS_Store
+.git

systemservices/marketplace/.gitignore

@@ -0,0 +1,2 @@
+node_modules/
+.DS_Store

systemservices/marketplace/Dockerfile

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+FROM node:10.11.0
+WORKDIR /app
+COPY ./package* ./
+RUN npm install
+COPY . .
+CMD [ "npm", "start" ]

systemservices/marketplace/README.md

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+# Marketplace service
+
+If you get error like `error while downloading manifest ipfs :: QmUoE4fsthoirJRWtqosNMQF79DYBWbgtGw37Sgg2eMdre RequestError: Error: ESOCKETTIMEDOUT` it's because ipfs gateway remove the file from its cache. We need to host an IPFS node to guarantee availability.
+
+### Start service
+
+```
+./dev-cli service dev ./systemservices/marketplace
+```
+
+### List service
+
+```
+./dev-cli service execute marketplace --task listServices --json ./systemservices/marketplace/test-data/empty.json
+```
+
+### Get service
+
+```
+./dev-cli service execute marketplace --task getService --json ./systemservices/marketplace/test-data/getService.json
+```
+
+### Publish service version
+
+```
+./dev-cli service execute marketplace --task publishServiceVersion --json ./systemservices/marketplace/test-data/publishServiceVersion.json
+```
+
+### Send sign transaction
+
+```
+./dev-cli service execute marketplace --task sendSignedTransaction --json ./systemservices/marketplace/test-data/sendSignedTransaction.json
+```
+
+### Create service offer
+
+```
+./dev-cli service execute marketplace --task createServiceOffer --json ./systemservices/marketplace/test-data/createServiceOffer.json
+```
+
+### Purchase
+
+```
+./dev-cli service execute marketplace --task purchase --json ./systemservices/marketplace/test-data/purchase.json
+```
+
+### Is Authorized
+
+#### with hash
+```
+./dev-cli service execute marketplace --task isAuthorized --json ./systemservices/marketplace/test-data/isAuthorized.json
+```
+
+#### with sid
+```
+./dev-cli service execute marketplace --task isAuthorized --json ./systemservices/marketplace/test-data/isAuthorized-sid.json
+```
+
+
+### Note:
+
+To send the transaction returned by some commands, execute:
+
+```
+./dev-cli service execute ethwallet --task sign --json sign.json
+```
+
+With `sign.json` file like (you need to replace the data):
+```json
+{
+  "address": "0xcAB79fA69c68CB4C65fa5C6E05BC4dBa5FB57D11",
+  "passphrase": "1",
+  "transaction": {
+    "chainID": 3,
+    "data": "0x095ea7b300000000000000000000000094f4cb92fe9f547574aec617b1594b13abd47ad300000000000000000000000000000000000000000000003635c9adc5dea00000",
+    "gas": 1000000,
+    "gasPrice": "1000000000",
+    "nonce": 21,
+    "to": "0x5861B3DC52339d4f976B7fa5d80dB6cd6f477F1B",
+    "value": "0"
+  }
+}
+```
+
+Then, publish transaction, copy past after `signedTransaction=` the tx outputted:
+
+```
+./dev-cli service execute marketplace --task sendSignedTransaction --data signedTransaction=
+```