Added WIP Ethereum contract and integrated minting to FUTURE

Monad.py

@@ -31,12 +31,21 @@
 from itertools import tee, islice, chain
 from nltk.corpus import wordnet
 from SPARQLWrapper import SPARQLWrapper, JSON
+from web3 import Web3
 from polyglot.detect import Detector
 
 import os.path, os, shutil, json, random, smtplib, sys, socket, re, mimetypes, datetime, lmdb, hnswlib, time, bson, requests
 bson.loads = bson.BSON.decode
 bson.dumps = bson.BSON.encode
 
+try:
+    from config import WEB3API, ETHEREUM_ACCOUNT, CONTRACT_CODE, CONTRACT_ADDRESS
+    WEB3API.eth.default_account = ETHEREUM_ACCOUNT
+    abi = json.load(open(CONTRACT_CODE))['abi']
+    contract = WEB3API.eth.contract(address=CONTRACT_ADDRESS, abi=abi)
+except:
+    print("No connection to Ethereum network.")
+
 sparql = SPARQLWrapper("http://dbpedia.org/sparql")
 sparql.setReturnFormat(JSON)
 
@@ -477,6 +486,14 @@ def inferLanguage(string: str) -> str:
     except:
         return "Undefined"
 
+def mintTokens(queryVec: np.array, answerVec: np.array) -> int:
+    if WEB3API.isConnected():
+        queryVec = (queryVec * 100).astype(int).tolist()
+        answerVec = (answerVec * 100).astype(int).tolist()
+        return contract.functions.mint(queryVec, answerVec).call()
+    else:
+        raise "Cannot connect to Ethereum network."
+
 
 class Monad():
     def __init__(self, database: str, mapSize=int(1e12)):

bootstrap.sh

@@ -29,6 +29,7 @@ pip3 install -U wordnet
 pip3 install -U numexpr
 pip3 install -U flask-caching
 pip3 install -U pillow
+pip3 install -U web3
 
 python3 -m spacy download en_core_web_sm
 python3 -c "import nltk; nltk.download('punkt')"

docs/source/index.rst

@@ -39,6 +39,7 @@ It is suggested to start with this configuration template, which is essentially
         #!/usr/bin/env python3
         # -*- coding: utf8 -*-
         import secrets
+        from web3 import Web3
 
         WTF_CSRF_ENABLED = True
         SECRET_KEY = secrets.token_urlsafe(16)
@@ -65,6 +66,10 @@ It is suggested to start with this configuration template, which is essentially
         COLABORATE = "<a href='https://github.com/rtrevinnoc/FUTURE'>COLABORATE</a>"
         CACHE_TIMEOUT = 15
         CACHE_THRESHOLD = 100
+        WEB3API = Web3(Web3.HTTPProvider('http://127.0.0.1:8545'))
+        ETHEREUM_ACCOUNT = WEB3API.eth.accounts[0]
+        CONTRACT_CODE = 'future-token/build/contracts/FUTURE.json'
+        CONTRACT_ADDRESS = "0x2ebDA3D6B2F24aE57164b0384daa9af2C0D17323"
 
 After you have configurated your FUTURE instance, but before you can start the server, you will be required to add a minimum of ~25 urls to your local index, by executing: