package-lock.json

@@ -11,6 +11,7 @@
       "dependencies": {
         "@ethersproject/experimental": "5.7.0",
         "@kredits/contracts": "^7.3.0",
+        "axios": "^1.7.9",
         "cors": "^2.8.5",
         "dotenv": "^16.3.1",
         "eth-provider": "^0.13.6",
@@ -987,6 +988,21 @@
       "resolved": "https://registry.npmjs.org/async/-/async-3.2.3.tgz",
       "integrity": "sha512-spZRyzKL5l5BZQrr/6m/SqFdBN0q3OCI0f9rjfBzCMBIP4p75P620rR3gTmaksNOhmzgdxcaxdNfMy6anrbM0g=="
     },
+    "node_modules/asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q=="
+    },
+    "node_modules/axios": {
+      "version": "1.7.9",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.7.9.tgz",
+      "integrity": "sha512-LhLcE7Hbiryz8oMDdDptSrWowmB4Bl6RCt6sIJKpRB4XtVf0iEgewX3au/pJqm+Py1kCASkb/FFKjxQaLtxJvw==",
+      "dependencies": {
+        "follow-redirects": "^1.15.6",
+        "form-data": "^4.0.0",
+        "proxy-from-env": "^1.1.0"
+      }
+    },
     "node_modules/babel-code-frame": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
@@ -1351,6 +1367,17 @@
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
     },
+    "node_modules/combined-stream": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+      "dependencies": {
+        "delayed-stream": "~1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -1482,6 +1509,14 @@
         "ms": "2.0.0"
       }
     },
+    "node_modules/delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/depd": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
@@ -1892,6 +1927,25 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/follow-redirects": {
+      "version": "1.15.9",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.9.tgz",
+      "integrity": "sha512-gew4GsXizNgdoRyqmyfMHyAmXsZDk6mHkSxZFCzW9gwlbtOW44CDtYavM+y+72qD/Vq2l550kMF52DT8fOLJqQ==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/RubenVerborgh"
+        }
+      ],
+      "engines": {
+        "node": ">=4.0"
+      },
+      "peerDependenciesMeta": {
+        "debug": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/for-in": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz",
@@ -1911,6 +1965,19 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/form-data": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.1.tgz",
+      "integrity": "sha512-tzN8e4TX8+kkxGPK8D5u0FNmjPUjw3lwC9lSLxxoB/+GtsJG91CO8bSWy73APlgAZzZbXEYZJuxjkHH2w+Ezhw==",
+      "dependencies": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
+        "mime-types": "^2.1.12"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/forwarded": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
@@ -3000,6 +3067,11 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/proxy-from-env": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
+      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg=="
+    },
     "node_modules/qs": {
       "version": "6.11.0",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",
@@ -4279,6 +4351,21 @@
       "resolved": "https://registry.npmjs.org/async/-/async-3.2.3.tgz",
       "integrity": "sha512-spZRyzKL5l5BZQrr/6m/SqFdBN0q3OCI0f9rjfBzCMBIP4p75P620rR3gTmaksNOhmzgdxcaxdNfMy6anrbM0g=="
     },
+    "asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q=="
+    },
+    "axios": {
+      "version": "1.7.9",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.7.9.tgz",
+      "integrity": "sha512-LhLcE7Hbiryz8oMDdDptSrWowmB4Bl6RCt6sIJKpRB4XtVf0iEgewX3au/pJqm+Py1kCASkb/FFKjxQaLtxJvw==",
+      "requires": {
+        "follow-redirects": "^1.15.6",
+        "form-data": "^4.0.0",
+        "proxy-from-env": "^1.1.0"
+      }
+    },
     "babel-code-frame": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
@@ -4598,6 +4685,14 @@
       "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
     },
+    "combined-stream": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+      "requires": {
+        "delayed-stream": "~1.0.0"
+      }
+    },
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -4702,6 +4797,11 @@
         "ms": "2.0.0"
       }
     },
+    "delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ=="
+    },
     "depd": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/depd/-/depd-2.0.0.tgz",
@@ -5017,6 +5117,11 @@
         "unpipe": "~1.0.0"
       }
     },
+    "follow-redirects": {
+      "version": "1.15.9",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.9.tgz",
+      "integrity": "sha512-gew4GsXizNgdoRyqmyfMHyAmXsZDk6mHkSxZFCzW9gwlbtOW44CDtYavM+y+72qD/Vq2l550kMF52DT8fOLJqQ=="
+    },
     "for-in": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/for-in/-/for-in-1.0.2.tgz",
@@ -5030,6 +5135,16 @@
         "for-in": "^1.0.1"
       }
     },
+    "form-data": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.1.tgz",
+      "integrity": "sha512-tzN8e4TX8+kkxGPK8D5u0FNmjPUjw3lwC9lSLxxoB/+GtsJG91CO8bSWy73APlgAZzZbXEYZJuxjkHH2w+Ezhw==",
+      "requires": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
+        "mime-types": "^2.1.12"
+      }
+    },
     "forwarded": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",
@@ -5859,6 +5974,11 @@
         "ipaddr.js": "1.9.1"
       }
     },
+    "proxy-from-env": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
+      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg=="
+    },
     "qs": {
       "version": "6.11.0",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.11.0.tgz",

package.json

@@ -13,6 +13,7 @@
   "dependencies": {
     "@ethersproject/experimental": "5.7.0",
     "@kredits/contracts": "^7.3.0",
+    "axios": "^1.7.9",
     "cors": "^2.8.5",
     "dotenv": "^16.3.1",
     "eth-provider": "^0.13.6",

scripts/lib/gitea-reviews.js

@@ -1,29 +1,25 @@
-const fetch = require('node-fetch');
+const axios = require('axios');
 
 module.exports = class GiteaReviews {
 
-  token = null;
+  client = null;
   kreditsAmounts = null;
-  pageLimit = 100;
+  pageLimit = 50;
 
   constructor (token, kreditsAmounts) {
-    this.token = token;
     this.kreditsAmounts = kreditsAmounts;
-  }
 
-  async request (path) {
+    this.client = axios.create({
-    return fetch(
+      baseURL: 'https://gitea.kosmos.org/api/v1',
-      `https://gitea.kosmos.org/api/v1${path}`,
+      headers: {
-      {
+        'accepts': 'application/json',
-        headers: {
+        'Authorization': `token ${token}`
-          'accepts': 'application/json',
-          'Authorization': `token ${this.token}`
-        }
       }
-    ).then(response => response.json());
+    });
   }
 
   async getReviewContributions (repos, startDate, endDate) {
+    let pulls = [];
     let reviewContributions = {}
 
     await Promise.all(repos.map(async (repo) => {
@@ -32,17 +28,17 @@ module.exports = class GiteaReviews {
 
       do {
         try {
-          result = await this.request(`/repos/${repo}/pulls?state=closed&limit=${this.pageLimit}&page=${page}`);
+          result = await this.client.get(`/repos/${repo}/pulls?state=closed&limit=${this.pageLimit}&page=${page}`);
         } catch(error) {
           console.log(`failed to fetch PRs for repo ${repo}:`, error.message);
           continue;
         }
 
-        if (!result || result.length === 0) {
+        if (!result || !result.data || result.data.length === 0) {
           continue;
         }
 
-        let pullRequests = result.filter(pr => {
+        let pullRequests = result.data.filter(pr => {
           if (!pr.merged) return false; // only interested in merged PRs
 
           // check if the PR has been merged in the given timeframe
@@ -56,21 +52,23 @@ module.exports = class GiteaReviews {
         await Promise.all(pullRequests.map(async (pr) => {
           let reviews;
           try {
-            reviews = await this.request(`/repos/${repo}/pulls/${pr.number}/reviews`);
+            reviews = await this.client.get(`/repos/${repo}/pulls/${pr.number}/reviews`);
           } catch(error) {
             console.log(`failed to fetch reviews for repo ${repo}, PR ${pr.number}:`, error.message);
             return;
           }
 
-          if (!reviews || reviews.length === 0) {
+          if (!reviews || !reviews.data || reviews.data.length === 0) {
             return;
           }
 
-          reviews = reviews.filter(review => {
+          reviews = reviews.data.filter(review => {
             return ['APPROVED', 'REJECTED'].includes(review.state);
           });
 
           reviews.forEach(review => {
+            // console.debug(`Review from /repos/${repo}/pulls/${pr.number}`);
+
             if (typeof reviewContributions[review.user.login] === 'undefined') {
               reviewContributions[review.user.login] = [];
             }
@@ -88,7 +86,7 @@ module.exports = class GiteaReviews {
         }));
 
         page++;
-      } while (result && result.length > 0);
+      } while (result && result.data && result.data.length > 0);
     }));
 
     return reviewContributions;

scripts/lib/github-reviews.js

@@ -1,30 +1,26 @@
-const fetch = require('node-fetch');
+const axios = require('axios');
 
 module.exports = class GithubReviews {
 
-  token = null;
+  client = null;
   kreditsAmounts = null;
   pageLimit = 100;
 
   constructor (token, kreditsAmounts) {
-    this.token = token;
     this.kreditsAmounts = kreditsAmounts;
-  }
 
-  async request (path) {
+    this.client = axios.create({
-    return fetch(
+      baseURL: 'https://api.github.com',
-      `https://api.github.com${path}`,
+      headers: {
-      {
+        'Accept': 'application/vnd.github.v3+json',
-        headers: {
+        'User-Agent': 'Kosmos Kredits for reviews',
-          'Accept': 'application/vnd.github.v3+json',
+        'Authorization': `token ${token}`
-          'User-Agent': 'Kosmos Kredits for reviews',
-          'Authorization': `token ${this.token}`
-        }
       }
-    ).then(response => response.json());
+    });
   }
 
   async getReviewContributions (repos, startDate, endDate) {
+    let pulls = [];
     let reviewContributions = {}
 
     await Promise.all(repos.map(async (repo) => {
@@ -33,17 +29,17 @@ module.exports = class GithubReviews {
 
       do {
         try {
-          result = await this.request(`/repos/${repo}/pulls?state=closed&perPage=${this.pageLimit}&page=${page}`);
+          result = await this.client.get(`/repos/${repo}/pulls?state=closed&perPage=${this.pageLimit}&page=${page}`);
         } catch(error) {
           console.log(`failed to fetch PRs for repo ${repo}:`, error.message);
           continue;
         }
 
-        if (!result || result.length === 0) {
+        if (!result || !result.data || result.data.length === 0) {
           continue;
         }
 
-        let pullRequests = result.filter(pr => {
+        let pullRequests = result.data.filter(pr => {
           if (!pr.merged_at) return false; // only interested in merged PRs
 
           // check if the PR has been merged in the given timeframe
@@ -57,21 +53,23 @@ module.exports = class GithubReviews {
         await Promise.all(pullRequests.map(async (pr) => {
           let reviews;
           try {
-            reviews = await this.request(`/repos/${repo}/pulls/${pr.number}/reviews`);
+            reviews = await this.client.get(`/repos/${repo}/pulls/${pr.number}/reviews`);
           } catch(error) {
             console.log(`failed to fetch reviews for repo ${repo}, PR ${pr.number}:`, error.message);
             return;
           }
 
-          if (!reviews || reviews.length === 0) {
+          if (!reviews || !reviews.data || reviews.data.length === 0) {
             return;
           }
 
-          reviews = reviews.filter(review => {
+          reviews = reviews.data.filter(review => {
             return ['APPROVED', 'REJECTED'].includes(review.state);
           });
 
           reviews.forEach(review => {
+            // console.debug(`Review from /repos/${repo}/pulls/${pr.number}`);
+
             if (typeof reviewContributions[review.user.login] === 'undefined') {
               reviewContributions[review.user.login] = [];
             }
@@ -89,7 +87,7 @@ module.exports = class GithubReviews {
         }));
 
         page++;
-      } while (result && result.length > 0);
+      } while (result && result.data && result.data.length > 0);
     }));
 
     return reviewContributions;

scripts/repos.json

@@ -1,25 +1,25 @@
 {
   "github": [
-    "67P/botka",
-    "67P/hal8000",
     "67P/hubot-kredits",
     "67P/hubot-remotestorage-logger",
     "67P/hyperchannel",
-    "67P/kosmos-schemas",
-    "67P/kredits-contracts",
     "67P/kredits-signup",
     "67P/kredits-web",
-    "67P/remotestorage-module-kosmos",
     "67P/waves",
     "sockethub/sockethub"
   ],
   "gitea": [
     "kosmos/akkounts",
+    "kosmos/botka",
     "kosmos/chef",
     "kosmos/gitea.kosmos.org",
+    "kosmos/hal8000",
     "kosmos/ipfs-cookbook",
-    "kosmos/kredits-ipfs-pinner",
+    "kosmos/rs-module-kosmos",
+    "kosmos/schemas",
     "kosmos/website",
-    "kosmos/wormhole"
+    "kosmos/wormhole",
+    "kredits/contracts",
+    "kredits/ipfs-pinner"
   ]
 }

scripts/review-kredits.js

@@ -1,62 +1,68 @@
 #!/usr/bin/env node
 
-require('dotenv').config({ path: '.env' });
+require('dotenv').config();
+
+const yargs = require('yargs/yargs');
+const { hideBin } = require('yargs/helpers');
+const util = require('util');
+const fs = require('fs');
+
 const GiteaReviews = require('./lib/gitea-reviews');
 const GithubReviews = require('./lib/github-reviews');
 
 const ethers = require('ethers');
 const NonceManager = require('@ethersproject/experimental').NonceManager;
-const Kredits = require('kredits-contracts');
+const Kredits = require('@kredits/contracts');
-const util = require('util');
 
-const yargs = require('yargs/yargs');
+const walletPath  = process.env.KREDITS_WALLET_PATH || './wallet.json';
-const { hideBin } = require('yargs/helpers');
-const fs = require('fs');
-
-const walletPath  = process.env.KREDITS_WALLET_PATH || '../wallet.json';
 const walletJson  = fs.readFileSync(walletPath);
-const providerUrl = process.env.KREDITS_PROVIDER_URL;
+const providerUrl = process.env.KREDITS_PROVIDER_URL || 'http://localhost:7545';
-const daoAddress  = process.env.KREDITS_DAO_ADDRESS;
 
 const ipfsConfig = {
   host: process.env.IPFS_API_HOST || 'localhost',
   port: process.env.IPFS_API_PORT || '5001',
-  protocol: process.env.IPFS_API_PROTOCOL || 'http'
+  protocol: process.env.IPFS_API_PROTOCOL || 'http',
 };
+console.log('ipfsConfig:', ipfsConfig);
 
 const kreditsAmounts = {
   'kredits-1': 100,
   'kredits-2': 300,
-  'kredits-3': 1000
+  'kredits-3': 1000,
 };
 
-const repos = require('../repos.json');
+const repos = require('./repos.json');
 
 const argv = yargs(hideBin(process.argv))
   .option('start', {
     alias: 's',
-    description: 'Include reviews for PRs merged after this date'
+    description: 'Include reviews for PRs merged after this date',
   })
   .option('end', {
     alias: 'e',
-    description: 'Include reviews for PRs merged before this date'
+    description: 'Include reviews for PRs merged before this date',
   })
   .option('dry', {
     alias: 'd',
     type: 'boolean',
-    description: 'Only list contribution details without creating them'
+    description: 'Only list contribution details without creating them',
   })
   .help()
   .version()
   .demandOption('start', 'Please provide a start date')
-  .default('end', function now () {
+  .default('end', function now() {
-    return (new Date()).toISOString().split('.')[0]+"Z";
+    return new Date().toISOString().split('.')[0] + 'Z';
   })
   .example([
-    ['$0 --start 2020-11-01 --end 2020-11-30T23:59:59Z', 'Create contributions for reviews of pull requests merged in November 2020'],
+    [
-    ['$0 --start 2021-01-01', 'Create contributions for reviews of pull requests merged from Januar 2021 until now'],
+      '$0 --start 2020-11-01 --end 2020-11-30T23:59:59Z',
-  ])
+      'Create contributions for reviews of pull requests merged in November 2020',
-  .argv
+    ],
+    [
+      '$0 --start 2021-01-01',
+      'Create contributions for reviews of pull requests merged from Januar 2021 until now',
+    ],
+  ]).argv;
 
 const startTimestamp = Date.parse(argv.start);
 const endTimestamp = Date.parse(argv.end);
@@ -71,50 +77,47 @@ if (isNaN(endTimestamp)) {
   process.exit(1);
 }
 
-// check for existence of GITHUB_TOKEN and GITEA_TOKEN
-if (!process.env.GITHUB_TOKEN || !process.env.GITEA_TOKEN) {
-  console.log('Please set both GITHUB_TOKEN and GITEA_TOKEN');
-  process.exit(1);
-}
-
 const startDate = new Date(startTimestamp);
 const endDate = new Date(endTimestamp);
 
 async function getAllReviews(repos, startDate, endDate) {
-  const githubReviews = new GithubReviews(process.env.GITHUB_TOKEN, kreditsAmounts);
+  const githubReviews = new GithubReviews(
-  const giteaReviews = new GiteaReviews(process.env.GITEA_TOKEN, kreditsAmounts);
+    process.env.GITHUB_TOKEN,
+    kreditsAmounts
+  );
+  const giteaReviews = new GiteaReviews(
+    process.env.GITEA_TOKEN,
+    kreditsAmounts
+  );
 
   return Promise.all([
     githubReviews.getReviewContributions(repos.github, startDate, endDate),
-    giteaReviews.getReviewContributions(repos.gitea, startDate, endDate)
+    giteaReviews.getReviewContributions(repos.gitea, startDate, endDate),
-  ]).then(reviews => {
+  ]).then((reviews) => {
-    return { github: reviews[0], gitea: reviews[1] }
+    return { github: reviews[0], gitea: reviews[1] };
   });
 }
 
-async function initializeKredits () {
+async function initializeKredits() {
   //
-  // Ethereum wallet setup
+  // Wallet setup
   //
 
   let wallet;
   try {
     wallet = await ethers.Wallet.fromEncryptedJson(walletJson, process.env.KREDITS_WALLET_PASSWORD);
   } catch(error) {
-    console.log('Could not load wallet:', error);
+    console.warn('Could not load wallet:', error);
     process.exit(1);
   }
 
   //
-  // Ethereum provider/node setup
+  // Solidity VM provider/node setup
   //
 
-  let ethProvider;
+  console.log('Using blockchain node/API at', providerUrl);
-  if (providerUrl) {
+
-    ethProvider = new ethers.providers.JsonRpcProvider(providerUrl);
+  const ethProvider = new ethers.providers.JsonRpcProvider(providerUrl);
-  } else {
-    ethProvider = new ethers.getDefaultProvider('rinkeby');
-  }
   const signer = new NonceManager(wallet.connect(ethProvider));
 
   //
@@ -122,51 +125,58 @@ async function initializeKredits () {
   //
 
   const opts = { ipfsConfig };
-  if (daoAddress) {
-    opts.addresses = { Kernel: daoAddress };
-  }
   let kredits;
 
   try {
     kredits = await new Kredits(signer.provider, signer, opts).init();
   } catch(error) {
-    console.log('Could not set up kredits:', error);
+    console.warn('Could not set up kredits:', error);
     process.exit(1);
   }
 
+  console.log('Wallet address: ' + wallet.address);
+
+  //
+  // Check robot's wallet balance and alert when it's broke
+  //
+
+  ethProvider.getBalance(wallet.address).then(balance => {
+    console.log('Wallet balance: ' + ethers.utils.formatEther(balance) + ' RBTC');
+    if (balance.lt(ethers.utils.parseEther('0.0001'))) {
+      console.warn(`I\'m broke! Please send some RBTC to ${wallet.address} first.`);
+      process.exit(1);
+    }
+  });
+
   return kredits;
 }
 
-function createContribution(contributorName, contributionAttributes, Contribution) {
+async function generateContributionData(reviews, Contributor) {
-  console.log(`Creating contribution token for ${contributionAttributes.amount}₭S to ${contributorName} for ${contributionAttributes.description}...`);
-
-  return Contribution.add(contributionAttributes).catch(error => {
-    console.log(`I tried to add a contribution for ${contributorName}, but I encountered an error when submitting the tx:`);
-    console.log(`Error:`, error);
-    console.log('Contribution attributes:');
-    console.log(util.inspect(contributionAttributes, { depth: 2, colors: true }));
-  });
-}
-
-async function generateContributionData(reviews, Contributor, startDate, endDate) {
-  const dateFormatOptions = { year: 'numeric', month: 'long', day: 'numeric' };
   const contributors = await Contributor.all();
   const contributionData = {};
-  const now = (new Date()).toISOString().split('.')[0]+"Z";
+
-  [date, time] = now.split('T');
+  const nextDay = new Date(endDate);
+  nextDay.setUTCDate(nextDay.getUTCDate() + 1);
+  nextDay.setUTCHours(0, 0, 0, 0);
+  const nextDayStr = nextDay.toISOString().split('.')[0] + 'Z';
+  [date, time] = nextDayStr.split('T');
 
   function addContributionDataForPlatform(platform) {
-    for (const [username, platformReviews] of Object.entries(reviews[platform])) {
+    for (const [username, platformReviews] of Object.entries(
-      const contributor = contributors.find(c => {
+      reviews[platform]
+    )) {
+      const contributor = contributors.find((c) => {
         return c[`${platform}_username`] === username;
       });
 
       if (!contributor) {
-        console.log(`Could not find contributor for ${platform} user "${username}"`);
+        console.log(
+          `Could not find contributor for ${platform} user "${username}"`
+        );
         continue;
       }
 
-      const urls = platformReviews.map(review => review.pr.html_url);
+      const urls = platformReviews.map((review) => review.pr.html_url);
       const kreditsAmount = platformReviews.reduce((amount, review) => {
         return review.kredits + amount;
       }, 0);
@@ -175,9 +185,6 @@ async function generateContributionData(reviews, Contributor, startDate, endDate
         contributionData[contributor.name].amount += kreditsAmount;
         contributionData[contributor.name].details.pullRequests.push(...urls);
       } else {
-        const formattedStartDate = startDate.toLocaleString('en-us', dateFormatOptions);
-        const formattedEndDate = endDate.toLocaleString('en-us', dateFormatOptions);
-
         contributionData[contributor.name] = {
           contributorId: contributor.id,
           contributorIpfsHash: contributor.ipfsHash,
@@ -185,11 +192,11 @@ async function generateContributionData(reviews, Contributor, startDate, endDate
           time,
           amount: kreditsAmount,
           kind: 'dev',
-          description: `PR reviews from ${formattedStartDate} to ${formattedEndDate}`,
           details: {
-            'pullRequests': urls
+            kind: 'review',
-          }
+            pullRequests: urls,
-        }
+          },
+        };
       }
     }
   }
@@ -200,20 +207,40 @@ async function generateContributionData(reviews, Contributor, startDate, endDate
   return contributionData;
 }
 
-Promise.all([initializeKredits(), getAllReviews(repos, startDate, endDate)]).then((values) => {
+Promise.all([
+  initializeKredits(),
+  getAllReviews(repos, startDate, endDate),
+]).then((values) => {
   const kredits = values[0];
   const reviews = values[1];
+  const Contributor = kredits.Contributor;
+  const Contribution = kredits.Contribution;
 
-  generateContributionData(reviews, kredits.Contributor, startDate, endDate).then(contributionData => {
+  async function createContribution(nickname, attrs) {
-    if (argv.dry) {
+    console.log(`Creating review contribution for ${nickname}...`);
-      console.log('Contributions:');
+    console.log(util.inspect(attrs, { depth: 1, colors: true }));
-      console.log(util.inspect(contributionData, { depth: 3, colors: true }));
+
-    } else {
+    return Contribution.add(attrs)
-      // create contributions
+      .catch(error => {
-      for (const [username, contributionAttributes] of Object.entries(contributionData)) {
+        console.error(`Error:`, error.message);
-        createContribution(username, contributionAttributes, kredits.Contribution);
+      });
+  }
+
+  generateContributionData(reviews, Contributor).then(
+    async (contributionData) => {
+      if (argv.dry) {
+        console.log('Contributions:');
+        console.log(util.inspect(contributionData, { depth: 3, colors: true }));
+        return;
+      } else {
+        for (const nickname of Object.keys(contributionData)) {
+          const description = `Reviewed ${contributionData[nickname].details.pullRequests.length} pull requests (from ${startDate.toISOString().split('T')[0]} to ${endDate.toISOString().split('T')[0]})`;
+          await createContribution(nickname, {
+            ...contributionData[nickname],
+            description,
+          });
+        }
       }
     }
-  });
+  );
 });
-