Add export scripts

.gitignore

@@ -1,3 +1,4 @@
+data
 build
 flattened_contracts
 node_modules

scripts/export/contributions.js

@@ -0,0 +1,56 @@
+const fs = require('fs');
+const initKredits = require('../helpers/init_kredits.js');
+
+module.exports = async function(callback) {
+  let kredits;
+  try {
+    kredits = await initKredits(web3);
+  } catch(e) {
+    callback(e);
+    return;
+  }
+
+  console.log(`Using Contribution at: ${kredits.Contribution.contract.address}`);
+
+  try {
+    const count = await kredits.Contribution.count;
+    const currentBlockHeight = await kredits.provider.getBlockNumber();
+
+    const backup = {};
+    const promises = [];
+    for (let i = 1; i <= count; i++) {
+      promises.push(new Promise((resolve, reject) => {
+        setTimeout(async () => {
+          console.log(`Loading contribution #${i}`);
+          await kredits.Contribution.contract.getContribution(i).then(contractData => {
+            if (contractData.vetoed) {
+              console.log(`Ignoring vetoed contribution #${contractData.id}`);
+              resolve();
+            }
+            backup[i] = {
+              amount: contractData.amount,
+              contributorId: contractData.contributorId,
+              hashDigest: contractData.hashDigest,
+              hashFunction: contractData.hashFunction,
+              hashSize: contractData.hashSize,
+              confirmedAtBlock: contractData.confirmedAtBlock,
+              confirmed: contractData.confirmedAtBlock <= currentBlockHeight,
+              id: contractData.id,
+            }
+            resolve();
+          });
+        }, 100 * i);
+      }));
+    }
+
+    await Promise.all(promises).then(() => {
+      fs.writeFileSync("./data/contributions.json", JSON.stringify(backup, null, 2));
+      console.log("Exported");
+    });
+  } catch(e) {
+    callback(e);
+    return;
+  }
+
+  callback();
+}

scripts/export/contributors.js

@@ -0,0 +1,48 @@
+const fs = require('fs');
+const initKredits = require('../helpers/init_kredits.js');
+
+module.exports = async function(callback) {
+  let kredits;
+  try {
+    kredits = await initKredits(web3);
+  } catch(e) {
+    callback(e);
+    return;
+  }
+
+  console.log(`Using Contributor at: ${kredits.Contributor.contract.address}`);
+
+  try {
+    const count = await kredits.Contributor.count;
+
+    const backup = {};
+    const promises = [];
+    for (let i = 1; i <= count; i++) {
+      promises.push(new Promise((resolve, reject) => {
+        setTimeout(async () => {
+          console.log(`Loading contributor #${i}`);
+          await kredits.Contributor.contract.getContributorById(i).then(contractData => {
+            backup[i] = {
+              account: contractData.account,
+              hashDigest: contractData.hashDigest,
+              hashFunction: contractData.hashFunction,
+              hashSize: contractData.hashSize,
+              id: contractData.id,
+            }
+            resolve();
+          });
+        }, 100 * i);
+      }));
+    }
+
+    await Promise.all(promises).then(() => {
+      fs.writeFileSync("./data/contributors.json", JSON.stringify(backup, null, 2));
+      console.log("Exported");
+    });
+  } catch(e) {
+    callback(e);
+    return;
+  }
+
+  callback();
+}